123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389139013911392139313941395139613971398139914001401140214031404140514061407140814091410141114121413141414151416141714181419142014211422142314241425142614271428142914301431143214331434143514361437143814391440144114421443144414451446144714481449145014511452145314541455145614571458145914601461146214631464146514661467146814691470147114721473147414751476147714781479148014811482148314841485148614871488148914901491149214931494149514961497149814991500150115021503150415051506150715081509151015111512151315141515151615171518151915201521152215231524152515261527152815291530153115321533153415351536153715381539154015411542154315441545154615471548154915501551155215531554155515561557155815591560156115621563156415651566156715681569157015711572157315741575157615771578157915801581158215831584158515861587158815891590159115921593159415951596159715981599160016011602 |
- /**
- ******************************************************************************
- * @file mfxstm32l152.c
- * @author MCD Application Team
- * @brief This file provides a set of functions needed to manage the MFXSTM32L152
- * IO Expander devices.
- ******************************************************************************
- * @attention
- *
- * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- ******************************************************************************
- */
- /* Includes ------------------------------------------------------------------*/
- #include "mfxstm32l152.h"
- /** @addtogroup BSP
- * @{
- */
- /** @addtogroup Component
- * @{
- */
-
- /** @defgroup MFXSTM32L152
- * @{
- */
-
- /* Private typedef -----------------------------------------------------------*/
- /** @defgroup MFXSTM32L152_Private_Types_Definitions
- * @{
- */
-
- /* Private define ------------------------------------------------------------*/
- /** @defgroup MFXSTM32L152_Private_Defines
- * @{
- */
- #define MFXSTM32L152_MAX_INSTANCE 3
- /* Private macro -------------------------------------------------------------*/
- /** @defgroup MFXSTM32L152_Private_Macros
- * @{
- */
-
- /* Private variables ---------------------------------------------------------*/
- /** @defgroup MFXSTM32L152_Private_Variables
- * @{
- */
- /* Touch screen driver structure initialization */
- TS_DrvTypeDef mfxstm32l152_ts_drv =
- {
- mfxstm32l152_Init,
- mfxstm32l152_ReadID,
- mfxstm32l152_Reset,
-
- mfxstm32l152_TS_Start,
- mfxstm32l152_TS_DetectTouch,
- mfxstm32l152_TS_GetXY,
-
- mfxstm32l152_TS_EnableIT,
- mfxstm32l152_TS_ClearIT,
- mfxstm32l152_TS_ITStatus,
- mfxstm32l152_TS_DisableIT,
- };
- /* IO driver structure initialization */
- IO_DrvTypeDef mfxstm32l152_io_drv =
- {
- mfxstm32l152_Init,
- mfxstm32l152_ReadID,
- mfxstm32l152_Reset,
-
- mfxstm32l152_IO_Start,
- mfxstm32l152_IO_Config,
- mfxstm32l152_IO_WritePin,
- mfxstm32l152_IO_ReadPin,
-
- mfxstm32l152_IO_EnableIT,
- mfxstm32l152_IO_DisableIT,
- mfxstm32l152_IO_ITStatus,
- mfxstm32l152_IO_ClearIT,
- };
- /* IDD driver structure initialization */
- IDD_DrvTypeDef mfxstm32l152_idd_drv =
- {
- mfxstm32l152_Init,
- mfxstm32l152_DeInit,
- mfxstm32l152_ReadID,
- mfxstm32l152_Reset,
- mfxstm32l152_LowPower,
- mfxstm32l152_WakeUp,
- mfxstm32l152_IDD_Start,
- mfxstm32l152_IDD_Config,
- mfxstm32l152_IDD_GetValue,
- mfxstm32l152_IDD_EnableIT,
- mfxstm32l152_IDD_ClearIT,
- mfxstm32l152_IDD_GetITStatus,
- mfxstm32l152_IDD_DisableIT,
- mfxstm32l152_Error_EnableIT,
- mfxstm32l152_Error_ClearIT,
- mfxstm32l152_Error_GetITStatus,
- mfxstm32l152_Error_DisableIT,
- mfxstm32l152_Error_ReadSrc,
- mfxstm32l152_Error_ReadMsg
- };
- /* mfxstm32l152 instances by address */
- uint8_t mfxstm32l152[MFXSTM32L152_MAX_INSTANCE] = {0};
- /**
- * @}
- */
-
- /* Private function prototypes -----------------------------------------------*/
- /** @defgroup MFXSTM32L152_Private_Function_Prototypes
- * @{
- */
- static uint8_t mfxstm32l152_GetInstance(uint16_t DeviceAddr);
- static uint8_t mfxstm32l152_ReleaseInstance(uint16_t DeviceAddr);
- static void mfxstm32l152_reg24_setPinValue(uint16_t DeviceAddr, uint8_t RegisterAddr, uint32_t PinPosition, uint8_t PinValue );
- /* Private functions ---------------------------------------------------------*/
- /** @defgroup MFXSTM32L152_Private_Functions
- * @{
- */
- /**
- * @brief Initialize the mfxstm32l152 and configure the needed hardware resources
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None
- */
- void mfxstm32l152_Init(uint16_t DeviceAddr)
- {
- uint8_t instance;
- uint8_t empty;
-
- /* Check if device instance already exists */
- instance = mfxstm32l152_GetInstance(DeviceAddr);
-
- /* To prevent double initialization */
- if(instance == 0xFF)
- {
- /* Look for empty instance */
- empty = mfxstm32l152_GetInstance(0);
-
- if(empty < MFXSTM32L152_MAX_INSTANCE)
- {
- /* Register the current device instance */
- mfxstm32l152[empty] = DeviceAddr;
-
- /* Initialize IO BUS layer */
- MFX_IO_Init();
- }
- }
-
- mfxstm32l152_SetIrqOutPinPolarity(DeviceAddr, MFXSTM32L152_OUT_PIN_POLARITY_HIGH);
- mfxstm32l152_SetIrqOutPinType(DeviceAddr, MFXSTM32L152_OUT_PIN_TYPE_PUSHPULL);
- }
- /**
- * @brief DeInitialize the mfxstm32l152 and unconfigure the needed hardware resources
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None
- */
- void mfxstm32l152_DeInit(uint16_t DeviceAddr)
- {
- uint8_t instance;
-
- /* release existing instance */
- instance = mfxstm32l152_ReleaseInstance(DeviceAddr);
-
- /* De-Init only if instance was previously registered */
- if(instance != 0xFF)
- {
- /* De-Initialize IO BUS layer */
- MFX_IO_DeInit();
- }
- }
- /**
- * @brief Reset the mfxstm32l152 by Software.
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None
- */
- void mfxstm32l152_Reset(uint16_t DeviceAddr)
- {
- /* Soft Reset */
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_REG_ADR_SYS_CTRL, MFXSTM32L152_SWRST);
- /* Wait for a delay to ensure registers erasing */
- rt_thread_delay(10);
- }
- /**
- * @brief Put mfxstm32l152 Device in Low Power standby mode
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None
- */
- void mfxstm32l152_LowPower(uint16_t DeviceAddr)
- {
- /* Enter standby mode */
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_REG_ADR_SYS_CTRL, MFXSTM32L152_STANDBY);
- /* enable wakeup pin */
- MFX_IO_EnableWakeupPin();
- }
- /**
- * @brief WakeUp mfxstm32l152 from standby mode
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None
- */
- void mfxstm32l152_WakeUp(uint16_t DeviceAddr)
- {
- uint8_t instance;
-
- /* Check if device instance already exists */
- instance = mfxstm32l152_GetInstance(DeviceAddr);
-
- /* if instance does not exist, first initialize pins*/
- if(instance == 0xFF)
- {
- /* enable wakeup pin */
- MFX_IO_EnableWakeupPin();
- }
- /* toggle wakeup pin */
- MFX_IO_Wakeup();
- }
- /**
- * @brief Read the MFXSTM32L152 IO Expander device ID.
- * @param DeviceAddr: Device address on communication Bus.
- * @retval The Device ID (two bytes).
- */
- uint16_t mfxstm32l152_ReadID(uint16_t DeviceAddr)
- {
- uint8_t id;
-
- /* Wait for a delay to ensure the state of registers */
- rt_thread_mdelay(1);
- /* Initialize IO BUS layer */
- MFX_IO_Init();
-
- id = MFX_IO_Read(DeviceAddr, MFXSTM32L152_REG_ADR_ID);
-
- /* Return the device ID value */
- return (id);
- }
- /**
- * @brief Read the MFXSTM32L152 device firmware version.
- * @param DeviceAddr: Device address on communication Bus.
- * @retval The Device FW version (two bytes).
- */
- uint16_t mfxstm32l152_ReadFwVersion(uint16_t DeviceAddr)
- {
- uint8_t data[2];
- MFX_IO_ReadMultiple((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_FW_VERSION_MSB, data, sizeof(data)) ;
- /* Recompose MFX firmware value */
- return ((data[0] << 8) | data[1]);
- }
- /**
- * @brief Enable the interrupt mode for the selected IT source
- * @param DeviceAddr: Device address on communication Bus.
- * @param Source: The interrupt source to be configured, could be:
- * @arg MFXSTM32L152_IRQ_GPIO: IO interrupt
- * @arg MFXSTM32L152_IRQ_IDD : IDD interrupt
- * @arg MFXSTM32L152_IRQ_ERROR : Error interrupt
- * @arg MFXSTM32L152_IRQ_TS_DET : Touch Screen Controller Touch Detected interrupt
- * @arg MFXSTM32L152_IRQ_TS_NE : Touch Screen FIFO Not Empty
- * @arg MFXSTM32L152_IRQ_TS_TH : Touch Screen FIFO threshold triggered
- * @arg MFXSTM32L152_IRQ_TS_FULL : Touch Screen FIFO Full
- * @arg MFXSTM32L152_IRQ_TS_OVF : Touch Screen FIFO Overflow
- * @retval None
- */
- void mfxstm32l152_EnableITSource(uint16_t DeviceAddr, uint8_t Source)
- {
- uint8_t tmp = 0;
-
- /* Get the current value of the INT_EN register */
- tmp = MFX_IO_Read(DeviceAddr, MFXSTM32L152_REG_ADR_IRQ_SRC_EN);
- /* Set the interrupts to be Enabled */
- tmp |= Source;
-
- /* Set the register */
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_REG_ADR_IRQ_SRC_EN, tmp);
- }
- /**
- * @brief Disable the interrupt mode for the selected IT source
- * @param DeviceAddr: Device address on communication Bus.
- * @param Source: The interrupt source to be configured, could be:
- * @arg MFXSTM32L152_IRQ_GPIO: IO interrupt
- * @arg MFXSTM32L152_IRQ_IDD : IDD interrupt
- * @arg MFXSTM32L152_IRQ_ERROR : Error interrupt
- * @arg MFXSTM32L152_IRQ_TS_DET : Touch Screen Controller Touch Detected interrupt
- * @arg MFXSTM32L152_IRQ_TS_NE : Touch Screen FIFO Not Empty
- * @arg MFXSTM32L152_IRQ_TS_TH : Touch Screen FIFO threshold triggered
- * @arg MFXSTM32L152_IRQ_TS_FULL : Touch Screen FIFO Full
- * @arg MFXSTM32L152_IRQ_TS_OVF : Touch Screen FIFO Overflow
- * @retval None
- */
- void mfxstm32l152_DisableITSource(uint16_t DeviceAddr, uint8_t Source)
- {
- uint8_t tmp = 0;
-
- /* Get the current value of the INT_EN register */
- tmp = MFX_IO_Read(DeviceAddr, MFXSTM32L152_REG_ADR_IRQ_SRC_EN);
- /* Set the interrupts to be Enabled */
- tmp &= ~Source;
-
- /* Set the register */
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_REG_ADR_IRQ_SRC_EN, tmp);
- }
- /**
- * @brief Returns the selected Global interrupt source pending bit value
- * @param DeviceAddr: Device address on communication Bus.
- * @param Source: the Global interrupt source to be checked, could be:
- * @arg MFXSTM32L152_IRQ_GPIO: IO interrupt
- * @arg MFXSTM32L152_IRQ_IDD : IDD interrupt
- * @arg MFXSTM32L152_IRQ_ERROR : Error interrupt
- * @arg MFXSTM32L152_IRQ_TS_DET : Touch Screen Controller Touch Detected interrupt
- * @arg MFXSTM32L152_IRQ_TS_NE : Touch Screen FIFO Not Empty
- * @arg MFXSTM32L152_IRQ_TS_TH : Touch Screen FIFO threshold triggered
- * @arg MFXSTM32L152_IRQ_TS_FULL : Touch Screen FIFO Full
- * @arg MFXSTM32L152_IRQ_TS_OVF : Touch Screen FIFO Overflow
- * @retval The value of the checked Global interrupt source status.
- */
- uint8_t mfxstm32l152_GlobalITStatus(uint16_t DeviceAddr, uint8_t Source)
- {
- /* Return the global IT source status (pending or not)*/
- return((MFX_IO_Read(DeviceAddr, MFXSTM32L152_REG_ADR_IRQ_PENDING) & Source));
- }
- /**
- * @brief Clear the selected Global interrupt pending bit(s)
- * @param DeviceAddr: Device address on communication Bus.
- * @param Source: the Global interrupt source to be cleared, could be any combination
- * of the below values. The acknowledge signal for MFXSTM32L152_GPIOs configured in input
- * with interrupt is not on this register but in IRQ_GPI_ACK1, IRQ_GPI_ACK2 registers.
- * @arg MFXSTM32L152_IRQ_IDD : IDD interrupt
- * @arg MFXSTM32L152_IRQ_ERROR : Error interrupt
- * @arg MFXSTM32L152_IRQ_TS_DET : Touch Screen Controller Touch Detected interrupt
- * @arg MFXSTM32L152_IRQ_TS_NE : Touch Screen FIFO Not Empty
- * @arg MFXSTM32L152_IRQ_TS_TH : Touch Screen FIFO threshold triggered
- * @arg MFXSTM32L152_IRQ_TS_FULL : Touch Screen FIFO Full
- * @arg MFXSTM32L152_IRQ_TS_OVF : Touch Screen FIFO Overflow
- * /\/\ IMPORTANT NOTE /\/\ must not use MFXSTM32L152_IRQ_GPIO as argument, see IRQ_GPI_ACK1 and IRQ_GPI_ACK2 registers
- * @retval None
- */
- void mfxstm32l152_ClearGlobalIT(uint16_t DeviceAddr, uint8_t Source)
- {
- /* Write 1 to the bits that have to be cleared */
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_REG_ADR_IRQ_ACK, Source);
- }
- /**
- * @brief Set the global interrupt Polarity of IRQ_OUT_PIN.
- * @param DeviceAddr: Device address on communication Bus.
- * @param Polarity: the IT mode polarity, could be one of the following values:
- * @arg MFXSTM32L152_OUT_PIN_POLARITY_LOW: Interrupt output line is active Low edge
- * @arg MFXSTM32L152_OUT_PIN_POLARITY_HIGH: Interrupt line output is active High edge
- * @retval None
- */
- void mfxstm32l152_SetIrqOutPinPolarity(uint16_t DeviceAddr, uint8_t Polarity)
- {
- uint8_t tmp = 0;
-
- /* Get the current register value */
- tmp = MFX_IO_Read(DeviceAddr, MFXSTM32L152_REG_ADR_MFX_IRQ_OUT);
-
- /* Mask the polarity bits */
- tmp &= ~(uint8_t)0x02;
-
- /* Modify the Interrupt Output line configuration */
- tmp |= Polarity;
-
- /* Set the new register value */
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_REG_ADR_MFX_IRQ_OUT, tmp);
- /* Wait for 1 ms for MFX to change IRQ_out pin config, before activate it */
- rt_thread_delay(1);
-
- }
- /**
- * @brief Set the global interrupt Type of IRQ_OUT_PIN.
- * @param DeviceAddr: Device address on communication Bus.
- * @param Type: Interrupt line activity type, could be one of the following values:
- * @arg MFXSTM32L152_OUT_PIN_TYPE_OPENDRAIN: Open Drain output Interrupt line
- * @arg MFXSTM32L152_OUT_PIN_TYPE_PUSHPULL: Push Pull output Interrupt line
- * @retval None
- */
- void mfxstm32l152_SetIrqOutPinType(uint16_t DeviceAddr, uint8_t Type)
- {
- uint8_t tmp = 0;
-
- /* Get the current register value */
- tmp = MFX_IO_Read(DeviceAddr, MFXSTM32L152_REG_ADR_MFX_IRQ_OUT);
-
- /* Mask the type bits */
- tmp &= ~(uint8_t)0x01;
-
- /* Modify the Interrupt Output line configuration */
- tmp |= Type;
-
- /* Set the new register value */
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_REG_ADR_MFX_IRQ_OUT, tmp);
- /* Wait for 1 ms for MFX to change IRQ_out pin config, before activate it */
- rt_thread_delay(1);
-
- }
- /* ------------------------------------------------------------------ */
- /* ----------------------- GPIO ------------------------------------- */
- /* ------------------------------------------------------------------ */
- /**
- * @brief Start the IO functionality used and enable the AF for selected IO pin(s).
- * @param DeviceAddr: Device address on communication Bus.
- * @param AF_en: 0 to disable, else enabled.
- * @retval None
- */
- void mfxstm32l152_IO_Start(uint16_t DeviceAddr, uint32_t IO_Pin)
- {
- uint8_t mode;
-
- /* Get the current register value */
- mode = MFX_IO_Read(DeviceAddr, MFXSTM32L152_REG_ADR_SYS_CTRL);
-
- /* Set the IO Functionalities to be Enabled */
- mode |= MFXSTM32L152_GPIO_EN;
-
- /* Enable ALTERNATE functions */
- /* AGPIO[0..3] can be either IDD or GPIO */
- /* AGPIO[4..7] can be either TS or GPIO */
- /* if IDD or TS are enabled no matter the value this bit GPIO are not available for those pins */
- /* however the MFX will waste some cycles to to handle these potential GPIO (pooling, etc) */
- /* so if IDD and TS are both active it is better to let ALTERNATE off (0) */
- /* if however IDD or TS are not connected then set it on gives more GPIOs availability */
- /* remind that AGPIO are less efficient then normal GPIO (They use pooling rather then EXTI */
- if (IO_Pin > 0xFFFF)
- {
- mode |= MFXSTM32L152_ALTERNATE_GPIO_EN;
- }
- else
- {
- mode &= ~MFXSTM32L152_ALTERNATE_GPIO_EN;
- }
- /* Write the new register value */
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_REG_ADR_SYS_CTRL, mode);
-
- /* Wait for 1 ms for MFX to change IRQ_out pin config, before activate it */
- rt_thread_delay(1);
- }
- /**
- * @brief Configures the IO pin(s) according to IO mode structure value.
- * @param DeviceAddr: Device address on communication Bus.
- * @param IO_Pin: The output pin to be set or reset. This parameter can be one
- * of the following values:
- * @arg MFXSTM32L152_GPIO_PIN_x: where x can be from 0 to 23.
- * @param IO_Mode: The IO pin mode to configure, could be one of the following values:
- * @arg IO_MODE_INPUT
- * @arg IO_MODE_OUTPUT
- * @arg IO_MODE_IT_RISING_EDGE
- * @arg IO_MODE_IT_FALLING_EDGE
- * @arg IO_MODE_IT_LOW_LEVEL
- * @arg IO_MODE_IT_HIGH_LEVEL
- * @arg IO_MODE_INPUT_PU,
- * @arg IO_MODE_INPUT_PD,
- * @arg IO_MODE_OUTPUT_OD_PU,
- * @arg IO_MODE_OUTPUT_OD_PD,
- * @arg IO_MODE_OUTPUT_PP_PU,
- * @arg IO_MODE_OUTPUT_PP_PD,
- * @arg IO_MODE_IT_RISING_EDGE_PU
- * @arg IO_MODE_IT_FALLING_EDGE_PU
- * @arg IO_MODE_IT_LOW_LEVEL_PU
- * @arg IO_MODE_IT_HIGH_LEVEL_PU
- * @arg IO_MODE_IT_RISING_EDGE_PD
- * @arg IO_MODE_IT_FALLING_EDGE_PD
- * @arg IO_MODE_IT_LOW_LEVEL_PD
- * @arg IO_MODE_IT_HIGH_LEVEL_PD
- * @retval None
- */
- uint8_t mfxstm32l152_IO_Config(uint16_t DeviceAddr, uint32_t IO_Pin, IO_ModeTypedef IO_Mode)
- {
- uint8_t error_code = 0;
- /* Configure IO pin according to selected IO mode */
- switch(IO_Mode)
- {
- case IO_MODE_OFF: /* Off or analog mode */
- case IO_MODE_ANALOG: /* Off or analog mode */
- mfxstm32l152_IO_DisablePinIT(DeviceAddr, IO_Pin); /* first disable IT */
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_IN);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPI_WITHOUT_PULL_RESISTOR);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_DOWN);
- break;
- case IO_MODE_INPUT: /* Input mode */
- mfxstm32l152_IO_DisablePinIT(DeviceAddr, IO_Pin); /* first disable IT */
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_IN);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPI_WITHOUT_PULL_RESISTOR);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_UP);
- break;
-
- case IO_MODE_INPUT_PU: /* Input mode */
- mfxstm32l152_IO_DisablePinIT(DeviceAddr, IO_Pin); /* first disable IT */
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_IN);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPI_WITH_PULL_RESISTOR);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_UP);
- break;
-
- case IO_MODE_INPUT_PD: /* Input mode */
- mfxstm32l152_IO_DisablePinIT(DeviceAddr, IO_Pin); /* first disable IT */
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_IN);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPI_WITH_PULL_RESISTOR);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_DOWN);
- break;
- case IO_MODE_OUTPUT: /* Output mode */
- case IO_MODE_OUTPUT_PP_PD: /* Output mode */
- mfxstm32l152_IO_DisablePinIT(DeviceAddr, IO_Pin); /* first disable IT */
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_OUT);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPO_PUSH_PULL);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_DOWN);
- break;
- case IO_MODE_OUTPUT_PP_PU: /* Output mode */
- mfxstm32l152_IO_DisablePinIT(DeviceAddr, IO_Pin); /* first disable IT */
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_OUT);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPO_PUSH_PULL);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_UP);
- break;
- case IO_MODE_OUTPUT_OD_PD: /* Output mode */
- mfxstm32l152_IO_DisablePinIT(DeviceAddr, IO_Pin); /* first disable IT */
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_OUT);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPO_OPEN_DRAIN);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_DOWN);
- break;
- case IO_MODE_OUTPUT_OD_PU: /* Output mode */
- mfxstm32l152_IO_DisablePinIT(DeviceAddr, IO_Pin); /* first disable IT */
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_OUT);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPO_OPEN_DRAIN);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_UP);
- break;
- case IO_MODE_IT_RISING_EDGE: /* Interrupt rising edge mode */
- mfxstm32l152_IO_EnableIT(DeviceAddr);
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_IN);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPI_WITHOUT_PULL_RESISTOR);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_UP);
- mfxstm32l152_IO_SetIrqEvtMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_EVT_EDGE);
- mfxstm32l152_IO_SetIrqTypeMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_TYPE_HLRE);
- mfxstm32l152_IO_EnablePinIT(DeviceAddr, IO_Pin); /* last to do: enable IT */
- break;
- case IO_MODE_IT_RISING_EDGE_PU: /* Interrupt rising edge mode */
- mfxstm32l152_IO_EnableIT(DeviceAddr);
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_IN);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPI_WITH_PULL_RESISTOR);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_UP);
- mfxstm32l152_IO_SetIrqEvtMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_EVT_EDGE);
- mfxstm32l152_IO_SetIrqTypeMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_TYPE_HLRE);
- mfxstm32l152_IO_EnablePinIT(DeviceAddr, IO_Pin); /* last to do: enable IT */
- break;
- case IO_MODE_IT_RISING_EDGE_PD: /* Interrupt rising edge mode */
- mfxstm32l152_IO_EnableIT(DeviceAddr);
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_IN);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPI_WITH_PULL_RESISTOR);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_DOWN);
- mfxstm32l152_IO_SetIrqEvtMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_EVT_EDGE);
- mfxstm32l152_IO_SetIrqTypeMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_TYPE_HLRE);
- mfxstm32l152_IO_EnablePinIT(DeviceAddr, IO_Pin); /* last to do: enable IT */
- break;
- case IO_MODE_IT_FALLING_EDGE: /* Interrupt falling edge mode */
- mfxstm32l152_IO_EnableIT(DeviceAddr);
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_IN);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPI_WITHOUT_PULL_RESISTOR);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_UP);
- mfxstm32l152_IO_SetIrqEvtMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_EVT_EDGE);
- mfxstm32l152_IO_SetIrqTypeMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_TYPE_LLFE);
- mfxstm32l152_IO_EnablePinIT(DeviceAddr, IO_Pin); /* last to do: enable IT */
- break;
- case IO_MODE_IT_FALLING_EDGE_PU: /* Interrupt falling edge mode */
- mfxstm32l152_IO_EnableIT(DeviceAddr);
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_IN);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPI_WITH_PULL_RESISTOR);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_UP);
- mfxstm32l152_IO_SetIrqEvtMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_EVT_EDGE);
- mfxstm32l152_IO_SetIrqTypeMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_TYPE_LLFE);
- mfxstm32l152_IO_EnablePinIT(DeviceAddr, IO_Pin); /* last to do: enable IT */
- break;
- case IO_MODE_IT_FALLING_EDGE_PD: /* Interrupt falling edge mode */
- mfxstm32l152_IO_EnableIT(DeviceAddr);
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_IN);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPI_WITH_PULL_RESISTOR);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_DOWN);
- mfxstm32l152_IO_SetIrqEvtMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_EVT_EDGE);
- mfxstm32l152_IO_SetIrqTypeMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_TYPE_LLFE);
- mfxstm32l152_IO_EnablePinIT(DeviceAddr, IO_Pin); /* last to do: enable IT */
- break;
- case IO_MODE_IT_LOW_LEVEL: /* Low level interrupt mode */
- mfxstm32l152_IO_EnableIT(DeviceAddr);
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_IN);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPI_WITHOUT_PULL_RESISTOR);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_UP);
- mfxstm32l152_IO_SetIrqEvtMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_EVT_LEVEL);
- mfxstm32l152_IO_SetIrqTypeMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_TYPE_LLFE);
- mfxstm32l152_IO_EnablePinIT(DeviceAddr, IO_Pin); /* last to do: enable IT */
- break;
- case IO_MODE_IT_LOW_LEVEL_PU: /* Low level interrupt mode */
- mfxstm32l152_IO_EnableIT(DeviceAddr);
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_IN);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPI_WITH_PULL_RESISTOR);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_UP);
- mfxstm32l152_IO_SetIrqEvtMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_EVT_LEVEL);
- mfxstm32l152_IO_SetIrqTypeMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_TYPE_LLFE);
- mfxstm32l152_IO_EnablePinIT(DeviceAddr, IO_Pin); /* last to do: enable IT */
- break;
- case IO_MODE_IT_LOW_LEVEL_PD: /* Low level interrupt mode */
- mfxstm32l152_IO_EnableIT(DeviceAddr);
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_IN);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPI_WITH_PULL_RESISTOR);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_DOWN);
- mfxstm32l152_IO_SetIrqEvtMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_EVT_LEVEL);
- mfxstm32l152_IO_SetIrqTypeMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_TYPE_LLFE);
- mfxstm32l152_IO_EnablePinIT(DeviceAddr, IO_Pin); /* last to do: enable IT */
- break;
-
- case IO_MODE_IT_HIGH_LEVEL: /* High level interrupt mode */
- mfxstm32l152_IO_EnableIT(DeviceAddr);
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_IN);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPI_WITHOUT_PULL_RESISTOR);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_UP);
- mfxstm32l152_IO_SetIrqEvtMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_EVT_LEVEL);
- mfxstm32l152_IO_SetIrqTypeMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_TYPE_HLRE);
- mfxstm32l152_IO_EnablePinIT(DeviceAddr, IO_Pin); /* last to do: enable IT */
- break;
- case IO_MODE_IT_HIGH_LEVEL_PU: /* High level interrupt mode */
- mfxstm32l152_IO_EnableIT(DeviceAddr);
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_IN);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPI_WITH_PULL_RESISTOR);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_UP);
- mfxstm32l152_IO_SetIrqEvtMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_EVT_LEVEL);
- mfxstm32l152_IO_SetIrqTypeMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_TYPE_HLRE);
- mfxstm32l152_IO_EnablePinIT(DeviceAddr, IO_Pin); /* last to do: enable IT */
- break;
- case IO_MODE_IT_HIGH_LEVEL_PD: /* High level interrupt mode */
- mfxstm32l152_IO_EnableIT(DeviceAddr);
- mfxstm32l152_IO_InitPin(DeviceAddr, IO_Pin, MFXSTM32L152_GPIO_DIR_IN);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_TYPE1, IO_Pin, MFXSTM32L152_GPI_WITH_PULL_RESISTOR);
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_PUPD1, IO_Pin, MFXSTM32L152_GPIO_PULL_DOWN);
- mfxstm32l152_IO_SetIrqEvtMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_EVT_LEVEL);
- mfxstm32l152_IO_SetIrqTypeMode(DeviceAddr, IO_Pin, MFXSTM32L152_IRQ_GPI_TYPE_HLRE);
- mfxstm32l152_IO_EnablePinIT(DeviceAddr, IO_Pin); /* last to do: enable IT */
- break;
-
- default:
- error_code = (uint8_t) IO_Mode;
- break;
- }
- return error_code;
- }
- /**
- * @brief Initialize the selected IO pin direction.
- * @param DeviceAddr: Device address on communication Bus.
- * @param IO_Pin: The IO pin to be configured. This parameter could be any
- * combination of the following values:
- * @arg MFXSTM32L152_GPIO_PIN_x: Where x can be from 0 to 23.
- * @param Direction: could be MFXSTM32L152_GPIO_DIR_IN or MFXSTM32L152_GPIO_DIR_OUT.
- * @retval None
- */
- void mfxstm32l152_IO_InitPin(uint16_t DeviceAddr, uint32_t IO_Pin, uint8_t Direction)
- {
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_DIR1, IO_Pin, Direction);
- }
- /**
- * @brief Set the global interrupt Type.
- * @param DeviceAddr: Device address on communication Bus.
- * @param IO_Pin: The IO pin to be configured. This parameter could be any
- * combination of the following values:
- * @arg MFXSTM32L152_GPIO_PIN_x: Where x can be from 0 to 23.
- * @param Evt: Interrupt line activity type, could be one of the following values:
- * @arg MFXSTM32L152_IRQ_GPI_EVT_LEVEL: Interrupt line is active in level model
- * @arg MFXSTM32L152_IRQ_GPI_EVT_EDGE: Interrupt line is active in edge model
- * @retval None
- */
- void mfxstm32l152_IO_SetIrqEvtMode(uint16_t DeviceAddr, uint32_t IO_Pin, uint8_t Evt)
- {
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_IRQ_GPI_EVT1, IO_Pin, Evt);
- rt_thread_delay(1);
- }
- /**
- * @brief Configure the Edge for which a transition is detectable for the
- * selected pin.
- * @param DeviceAddr: Device address on communication Bus.
- * @param IO_Pin: The IO pin to be configured. This parameter could be any
- * combination of the following values:
- * @arg MFXSTM32L152_GPIO_PIN_x: Where x can be from 0 to 23.
- * @param Evt: Interrupt line activity type, could be one of the following values:
- * @arg MFXSTM32L152_IRQ_GPI_TYPE_LLFE: Interrupt line is active in Low Level or Falling Edge
- * @arg MFXSTM32L152_IRQ_GPI_TYPE_HLRE: Interrupt line is active in High Level or Rising Edge
- * @retval None
- */
- void mfxstm32l152_IO_SetIrqTypeMode(uint16_t DeviceAddr, uint32_t IO_Pin, uint8_t Type)
- {
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_IRQ_GPI_TYPE1, IO_Pin, Type);
- rt_thread_delay(1);
- }
- /**
- * @brief When GPIO is in output mode, puts the corresponding GPO in High (1) or Low (0) level.
- * @param DeviceAddr: Device address on communication Bus.
- * @param IO_Pin: The output pin to be set or reset. This parameter can be one
- * of the following values:
- * @arg MFXSTM32L152_GPIO_PIN_x: where x can be from 0 to 23.
- * @param PinState: The new IO pin state.
- * @retval None
- */
- void mfxstm32l152_IO_WritePin(uint16_t DeviceAddr, uint32_t IO_Pin, uint8_t PinState)
- {
- /* Apply the bit value to the selected pin */
- if (PinState != 0)
- {
- /* Set the SET register */
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPO_SET1, IO_Pin, 1);
- }
- else
- {
- /* Set the CLEAR register */
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_GPO_CLR1, IO_Pin, 1);
- }
- }
- /**
- * @brief Return the state of the selected IO pin(s).
- * @param DeviceAddr: Device address on communication Bus.
- * @param IO_Pin: The output pin to be set or reset. This parameter can be one
- * of the following values:
- * @arg MFXSTM32L152_GPIO_PIN_x: where x can be from 0 to 23.
- * @retval IO pin(s) state.
- */
- uint32_t mfxstm32l152_IO_ReadPin(uint16_t DeviceAddr, uint32_t IO_Pin)
- {
- uint32_t tmp1 = 0;
- uint32_t tmp2 = 0;
- uint32_t tmp3 = 0;
-
- if(IO_Pin & 0x000000FF)
- {
- tmp1 = (uint32_t) MFX_IO_Read(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_STATE1);
- }
- if(IO_Pin & 0x0000FF00)
- {
- tmp2 = (uint32_t) MFX_IO_Read(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_STATE2);
- }
- if(IO_Pin & 0x00FF0000)
- {
- tmp3 = (uint32_t) MFX_IO_Read(DeviceAddr, MFXSTM32L152_REG_ADR_GPIO_STATE3);
- }
- tmp3 = tmp1 + (tmp2 << 8) + (tmp3 << 16);
-
- return(tmp3 & IO_Pin);
- }
- /**
- * @brief Enable the global IO interrupt source.
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None
- */
- void mfxstm32l152_IO_EnableIT(uint16_t DeviceAddr)
- {
- MFX_IO_ITConfig();
-
- /* Enable global IO IT source */
- mfxstm32l152_EnableITSource(DeviceAddr, MFXSTM32L152_IRQ_GPIO);
- }
- /**
- * @brief Disable the global IO interrupt source.
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None
- */
- void mfxstm32l152_IO_DisableIT(uint16_t DeviceAddr)
- {
- /* Disable global IO IT source */
- mfxstm32l152_DisableITSource(DeviceAddr, MFXSTM32L152_IRQ_GPIO);
- }
-
- /**
- * @brief Enable interrupt mode for the selected IO pin(s).
- * @param DeviceAddr: Device address on communication Bus.
- * @param IO_Pin: The IO interrupt to be enabled. This parameter could be any
- * combination of the following values:
- * @arg MFXSTM32L152_GPIO_PIN_x: where x can be from 0 to 23.
- * @retval None
- */
- void mfxstm32l152_IO_EnablePinIT(uint16_t DeviceAddr, uint32_t IO_Pin)
- {
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_IRQ_GPI_SRC1, IO_Pin, 1);
- }
- /**
- * @brief Disable interrupt mode for the selected IO pin(s).
- * @param DeviceAddr: Device address on communication Bus.
- * @param IO_Pin: The IO interrupt to be disabled. This parameter could be any
- * combination of the following values:
- * @arg MFXSTM32L152_GPIO_PIN_x: where x can be from 0 to 23.
- * @retval None
- */
- void mfxstm32l152_IO_DisablePinIT(uint16_t DeviceAddr, uint32_t IO_Pin)
- {
- mfxstm32l152_reg24_setPinValue(DeviceAddr, MFXSTM32L152_REG_ADR_IRQ_GPI_SRC1, IO_Pin, 0);
- }
- /**
- * @brief Check the status of the selected IO interrupt pending bit
- * @param DeviceAddr: Device address on communication Bus.
- * @param IO_Pin: The IO interrupt to be checked could be:
- * @arg MFXSTM32L152_GPIO_PIN_x Where x can be from 0 to 23.
- * @retval Status of the checked IO pin(s).
- */
- uint32_t mfxstm32l152_IO_ITStatus(uint16_t DeviceAddr, uint32_t IO_Pin)
- {
- /* Get the Interrupt status */
- uint8_t tmp1 = 0;
- uint16_t tmp2 = 0;
- uint32_t tmp3 = 0;
-
- if(IO_Pin & 0xFF)
- {
- tmp1 = MFX_IO_Read(DeviceAddr, MFXSTM32L152_REG_ADR_IRQ_GPI_PENDING1);
- }
- if(IO_Pin & 0xFFFF00)
- {
- tmp2 = (uint16_t) MFX_IO_Read(DeviceAddr, MFXSTM32L152_REG_ADR_IRQ_GPI_PENDING2);
- }
- if(IO_Pin & 0xFFFF0000)
- {
- tmp3 = (uint32_t) MFX_IO_Read(DeviceAddr, MFXSTM32L152_REG_ADR_IRQ_GPI_PENDING3);
- }
-
- tmp3 = tmp1 + (tmp2 << 8) + (tmp3 << 16);
-
- return(tmp3 & IO_Pin);
- }
- /**
- * @brief Clear the selected IO interrupt pending bit(s). It clear automatically also the general MFXSTM32L152_REG_ADR_IRQ_PENDING
- * @param DeviceAddr: Device address on communication Bus.
- * @param IO_Pin: the IO interrupt to be cleared, could be:
- * @arg MFXSTM32L152_GPIO_PIN_x: Where x can be from 0 to 23.
- * @retval None
- */
- void mfxstm32l152_IO_ClearIT(uint16_t DeviceAddr, uint32_t IO_Pin)
- {
- /* Clear the IO IT pending bit(s) by acknowledging */
- /* it cleans automatically also the Global IRQ_GPIO */
- /* normally this function is called under interrupt */
- uint8_t pin_0_7, pin_8_15, pin_16_23;
- pin_0_7 = IO_Pin & 0x0000ff;
- pin_8_15 = IO_Pin >> 8;
- pin_8_15 = pin_8_15 & 0x00ff;
- pin_16_23 = IO_Pin >> 16;
- if (pin_0_7)
- {
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_REG_ADR_IRQ_GPI_ACK1, pin_0_7);
- }
- if (pin_8_15)
- {
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_REG_ADR_IRQ_GPI_ACK2, pin_8_15);
- }
- if (pin_16_23)
- {
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_REG_ADR_IRQ_GPI_ACK3, pin_16_23);
- }
- }
- /**
- * @brief Enable the AF for aGPIO.
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None
- */
- void mfxstm32l152_IO_EnableAF(uint16_t DeviceAddr)
- {
- uint8_t mode;
- /* Get the current register value */
- mode = MFX_IO_Read(DeviceAddr, MFXSTM32L152_REG_ADR_SYS_CTRL);
-
- /* Enable ALTERNATE functions */
- /* AGPIO[0..3] can be either IDD or GPIO */
- /* AGPIO[4..7] can be either TS or GPIO */
- /* if IDD or TS are enabled no matter the value this bit GPIO are not available for those pins */
- /* however the MFX will waste some cycles to to handle these potential GPIO (pooling, etc) */
- /* so if IDD and TS are both active it is better to let ALTERNATE disabled (0) */
- /* if however IDD or TS are not connected then set it on gives more GPIOs availability */
- /* remind that AGPIO are less efficient then normal GPIO (they use pooling rather then EXTI) */
- mode |= MFXSTM32L152_ALTERNATE_GPIO_EN;
-
- /* Write the new register value */
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_REG_ADR_SYS_CTRL, mode);
- }
- /**
- * @brief Disable the AF for aGPIO.
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None
- */
- void mfxstm32l152_IO_DisableAF(uint16_t DeviceAddr)
- {
- uint8_t mode;
- /* Get the current register value */
- mode = MFX_IO_Read(DeviceAddr, MFXSTM32L152_REG_ADR_SYS_CTRL);
-
- /* Enable ALTERNATE functions */
- /* AGPIO[0..3] can be either IDD or GPIO */
- /* AGPIO[4..7] can be either TS or GPIO */
- /* if IDD or TS are enabled no matter the value this bit GPIO are not available for those pins */
- /* however the MFX will waste some cycles to to handle these potential GPIO (pooling, etc) */
- /* so if IDD and TS are both active it is better to let ALTERNATE disabled (0) */
- /* if however IDD or TS are not connected then set it on gives more GPIOs availability */
- /* remind that AGPIO are less efficient then normal GPIO (they use pooling rather then EXTI) */
- mode &= ~MFXSTM32L152_ALTERNATE_GPIO_EN;
-
- /* Write the new register value */
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_REG_ADR_SYS_CTRL, mode);
-
- }
- /* ------------------------------------------------------------------ */
- /* --------------------- TOUCH SCREEN ------------------------------- */
- /* ------------------------------------------------------------------ */
- /**
- * @brief Configures the touch Screen Controller (Single point detection)
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None.
- */
- void mfxstm32l152_TS_Start(uint16_t DeviceAddr)
- {
- uint8_t mode;
- /* Get the current register value */
- mode = MFX_IO_Read(DeviceAddr, MFXSTM32L152_REG_ADR_SYS_CTRL);
-
- /* Set the Functionalities to be Enabled */
- mode |= MFXSTM32L152_TS_EN;
-
- /* Set the new register value */
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_REG_ADR_SYS_CTRL, mode);
-
- /* Wait for 2 ms */
- rt_thread_delay(2);
-
- /* Select 2 nF filter capacitor */
- /* Configuration:
- - Touch average control : 4 samples
- - Touch delay time : 500 uS
- - Panel driver setting time: 500 uS
- */
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_TS_SETTLING, 0x32);
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_TS_TOUCH_DET_DELAY, 0x5);
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_TS_AVE, 0x04);
-
- /* Configure the Touch FIFO threshold: single point reading */
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_TS_FIFO_TH, 0x01);
-
- /* Clear the FIFO memory content. */
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_TS_FIFO_TH, MFXSTM32L152_TS_CLEAR_FIFO);
- /* Touch screen control configuration :
- - No window tracking index
- */
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_TS_TRACK, 0x00);
-
-
- /* Clear all the IT status pending bits if any */
- mfxstm32l152_IO_ClearIT(DeviceAddr, 0xFFFFFF);
- /* Wait for 1 ms delay */
- rt_thread_delay(1);
- }
- /**
- * @brief Return if there is touch detected or not.
- * @param DeviceAddr: Device address on communication Bus.
- * @retval Touch detected state.
- */
- uint8_t mfxstm32l152_TS_DetectTouch(uint16_t DeviceAddr)
- {
- uint8_t state;
- uint8_t ret = 0;
-
- state = MFX_IO_Read(DeviceAddr, MFXSTM32L152_TS_FIFO_STA);
- state = ((state & (uint8_t)MFXSTM32L152_TS_CTRL_STATUS) == (uint8_t)MFXSTM32L152_TS_CTRL_STATUS);
-
- if(state > 0)
- {
- if(MFX_IO_Read(DeviceAddr, MFXSTM32L152_TS_FIFO_LEVEL) > 0)
- {
- ret = 1;
- }
- }
-
- return ret;
- }
- /**
- * @brief Get the touch screen X and Y positions values
- * @param DeviceAddr: Device address on communication Bus.
- * @param X: Pointer to X position value
- * @param Y: Pointer to Y position value
- * @retval None.
- */
- void mfxstm32l152_TS_GetXY(uint16_t DeviceAddr, uint16_t *X, uint16_t *Y)
- {
- uint8_t data_xy[3];
- MFX_IO_ReadMultiple(DeviceAddr, MFXSTM32L152_TS_XY_DATA, data_xy, sizeof(data_xy)) ;
-
- /* Calculate positions values */
- *X = (data_xy[1]<<4) + (data_xy[0]>>4);
- *Y = (data_xy[2]<<4) + (data_xy[0]&4);
- /* Reset the FIFO memory content. */
- MFX_IO_Write(DeviceAddr, MFXSTM32L152_TS_FIFO_TH, MFXSTM32L152_TS_CLEAR_FIFO);
- }
- /**
- * @brief Configure the selected source to generate a global interrupt or not
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None
- */
- void mfxstm32l152_TS_EnableIT(uint16_t DeviceAddr)
- {
- MFX_IO_ITConfig();
-
- /* Enable global TS IT source */
- mfxstm32l152_EnableITSource(DeviceAddr, MFXSTM32L152_IRQ_TS_DET);
- }
- /**
- * @brief Configure the selected source to generate a global interrupt or not
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None
- */
- void mfxstm32l152_TS_DisableIT(uint16_t DeviceAddr)
- {
- /* Disable global TS IT source */
- mfxstm32l152_DisableITSource(DeviceAddr, MFXSTM32L152_IRQ_TS_DET);
- }
- /**
- * @brief Configure the selected source to generate a global interrupt or not
- * @param DeviceAddr: Device address on communication Bus.
- * @retval TS interrupts status
- */
- uint8_t mfxstm32l152_TS_ITStatus(uint16_t DeviceAddr)
- {
- /* Return TS interrupts status */
- return(mfxstm32l152_GlobalITStatus(DeviceAddr, MFXSTM32L152_IRQ_TS));
- }
- /**
- * @brief Configure the selected source to generate a global interrupt or not
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None
- */
- void mfxstm32l152_TS_ClearIT(uint16_t DeviceAddr)
- {
- /* Clear the global TS IT source */
- mfxstm32l152_ClearGlobalIT(DeviceAddr, MFXSTM32L152_IRQ_TS);
- }
- /* ------------------------------------------------------------------ */
- /* --------------------- IDD MEASUREMENT ---------------------------- */
- /* ------------------------------------------------------------------ */
- /**
- * @brief Launch IDD current measurement
- * @param DeviceAddr: Device address on communication Bus
- * @retval None.
- */
- void mfxstm32l152_IDD_Start(uint16_t DeviceAddr)
- {
- uint8_t mode = 0;
- /* Get the current register value */
- mode = MFX_IO_Read((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_CTRL);
- /* Set the Functionalities to be enabled */
- mode |= MFXSTM32L152_IDD_CTRL_REQ;
- /* Start measurement campaign */
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_CTRL, mode);
- }
- /**
- * @brief Configures the IDD current measurement
- * @param DeviceAddr: Device address on communication Bus.
- * @param MfxIddConfig: Parameters depending on hardware config.
- * @retval None
- */
- void mfxstm32l152_IDD_Config(uint16_t DeviceAddr, IDD_ConfigTypeDef MfxIddConfig)
- {
- uint8_t value = 0;
- uint8_t mode = 0;
- /* Get the current register value */
- mode = MFX_IO_Read((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_SYS_CTRL);
- if((mode & MFXSTM32L152_IDD_EN) != MFXSTM32L152_IDD_EN)
- {
- /* Set the Functionalities to be enabled */
- mode |= MFXSTM32L152_IDD_EN;
- /* Set the new register value */
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_SYS_CTRL, mode);
- }
- /* Control register setting: number of shunts */
- value = ((MfxIddConfig.ShuntNbUsed << 1) & MFXSTM32L152_IDD_CTRL_SHUNT_NB);
- value |= (MfxIddConfig.VrefMeasurement & MFXSTM32L152_IDD_CTRL_VREF_DIS);
- value |= (MfxIddConfig.Calibration & MFXSTM32L152_IDD_CTRL_CAL_DIS);
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_CTRL, value);
- /* Idd pre delay configuration: unit and value*/
- value = (MfxIddConfig.PreDelayUnit & MFXSTM32L152_IDD_PREDELAY_UNIT) |
- (MfxIddConfig.PreDelayValue & MFXSTM32L152_IDD_PREDELAY_VALUE);
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_PRE_DELAY, value);
- /* Shunt 0 register value: MSB then LSB */
- value = (uint8_t) (MfxIddConfig.Shunt0Value >> 8);
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_SHUNT0_MSB, value);
- value = (uint8_t) (MfxIddConfig.Shunt0Value);
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_SHUNT0_LSB, value);
- /* Shunt 1 register value: MSB then LSB */
- value = (uint8_t) (MfxIddConfig.Shunt1Value >> 8);
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_SHUNT1_MSB, value);
- value = (uint8_t) (MfxIddConfig.Shunt1Value);
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_SHUNT1_LSB, value);
- /* Shunt 2 register value: MSB then LSB */
- value = (uint8_t) (MfxIddConfig.Shunt2Value >> 8);
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_SHUNT2_MSB, value);
- value = (uint8_t) (MfxIddConfig.Shunt2Value);
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_SHUNT2_LSB, value);
- /* Shunt 3 register value: MSB then LSB */
- value = (uint8_t) (MfxIddConfig.Shunt3Value >> 8);
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_SHUNT3_MSB, value);
- value = (uint8_t) (MfxIddConfig.Shunt3Value);
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_SHUNT3_LSB, value);
- /* Shunt 4 register value: MSB then LSB */
- value = (uint8_t) (MfxIddConfig.Shunt4Value >> 8);
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_SHUNT4_MSB, value);
- value = (uint8_t) (MfxIddConfig.Shunt4Value);
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_SHUNT4_LSB, value);
- /* Shunt 0 stabilization delay */
- value = MfxIddConfig.Shunt0StabDelay;
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_SH0_STABILIZATION, value);
- /* Shunt 1 stabilization delay */
- value = MfxIddConfig.Shunt1StabDelay;
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_SH1_STABILIZATION, value);
- /* Shunt 2 stabilization delay */
- value = MfxIddConfig.Shunt2StabDelay;
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_SH2_STABILIZATION, value);
- /* Shunt 3 stabilization delay */
- value = MfxIddConfig.Shunt3StabDelay;
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_SH3_STABILIZATION, value);
- /* Shunt 4 stabilization delay */
- value = MfxIddConfig.Shunt4StabDelay;
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_SH4_STABILIZATION, value);
- /* Idd ampli gain value: MSB then LSB */
- value = (uint8_t) (MfxIddConfig.AmpliGain >> 8);
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_GAIN_MSB, value);
- value = (uint8_t) (MfxIddConfig.AmpliGain);
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_GAIN_LSB, value);
- /* Idd VDD min value: MSB then LSB */
- value = (uint8_t) (MfxIddConfig.VddMin >> 8);
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_VDD_MIN_MSB, value);
- value = (uint8_t) (MfxIddConfig.VddMin);
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_VDD_MIN_LSB, value);
- /* Idd number of measurements */
- value = MfxIddConfig.MeasureNb;
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_NBR_OF_MEAS, value);
- /* Idd delta delay configuration: unit and value */
- value = (MfxIddConfig.DeltaDelayUnit & MFXSTM32L152_IDD_DELTADELAY_UNIT) |
- (MfxIddConfig.DeltaDelayValue & MFXSTM32L152_IDD_DELTADELAY_VALUE);
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_MEAS_DELTA_DELAY, value);
- /* Idd number of shut on board */
- value = MfxIddConfig.ShuntNbOnBoard;
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_SHUNTS_ON_BOARD, value);
- }
- /**
- * @brief This function allows to modify number of shunt used for a measurement
- * @param DeviceAddr: Device address on communication Bus
- * @retval None.
- */
- void mfxstm32l152_IDD_ConfigShuntNbLimit(uint16_t DeviceAddr, uint8_t ShuntNbLimit)
- {
- uint8_t mode = 0;
- /* Get the current register value */
- mode = MFX_IO_Read((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_CTRL);
- /* Clear number of shunt limit */
- mode &= ~(MFXSTM32L152_IDD_CTRL_SHUNT_NB);
- /* Clear number of shunt limit */
- mode |= ((ShuntNbLimit << 1) & MFXSTM32L152_IDD_CTRL_SHUNT_NB);
- /* Write noewx desired limit */
- MFX_IO_Write((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_CTRL, mode);
- }
- /**
- * @brief Get Idd current value
- * @param DeviceAddr: Device address on communication Bus
- * @param ReadValue: Pointer on value to be read
- * @retval Idd value in 10 nA.
- */
- void mfxstm32l152_IDD_GetValue(uint16_t DeviceAddr, uint32_t *ReadValue)
- {
- uint8_t data[3];
- MFX_IO_ReadMultiple((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_VALUE_MSB, data, sizeof(data)) ;
- /* Recompose Idd current value */
- *ReadValue = (data[0] << 16) | (data[1] << 8) | data[2];
- }
- /**
- * @brief Get Last shunt used for measurement
- * @param DeviceAddr: Device address on communication Bus
- * @retval Last shunt used
- */
- uint8_t mfxstm32l152_IDD_GetShuntUsed(uint16_t DeviceAddr)
- {
- return(MFX_IO_Read((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_IDD_SHUNT_USED));
- }
- /**
- * @brief Configure mfx to enable Idd interrupt
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None
- */
- void mfxstm32l152_IDD_EnableIT(uint16_t DeviceAddr)
- {
- MFX_IO_ITConfig();
- /* Enable global IDD interrupt source */
- mfxstm32l152_EnableITSource(DeviceAddr, MFXSTM32L152_IRQ_IDD);
- }
- /**
- * @brief Clear Idd global interrupt
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None
- */
- void mfxstm32l152_IDD_ClearIT(uint16_t DeviceAddr)
- {
- /* Clear the global IDD interrupt source */
- mfxstm32l152_ClearGlobalIT(DeviceAddr, MFXSTM32L152_IRQ_IDD);
- }
- /**
- * @brief get Idd interrupt status
- * @param DeviceAddr: Device address on communication Bus.
- * @retval IDD interrupts status
- */
- uint8_t mfxstm32l152_IDD_GetITStatus(uint16_t DeviceAddr)
- {
- /* Return IDD interrupt status */
- return(mfxstm32l152_GlobalITStatus(DeviceAddr, MFXSTM32L152_IRQ_IDD));
- }
- /**
- * @brief disable Idd interrupt
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None.
- */
- void mfxstm32l152_IDD_DisableIT(uint16_t DeviceAddr)
- {
- /* Disable global IDD interrupt source */
- mfxstm32l152_DisableITSource(DeviceAddr, MFXSTM32L152_IRQ_IDD);
- }
- /* ------------------------------------------------------------------ */
- /* --------------------- ERROR MANAGEMENT --------------------------- */
- /* ------------------------------------------------------------------ */
- /**
- * @brief Read Error Source.
- * @param DeviceAddr: Device address on communication Bus.
- * @retval Error message code with error source
- */
- uint8_t mfxstm32l152_Error_ReadSrc(uint16_t DeviceAddr)
- {
- /* Get the current source register value */
- return(MFX_IO_Read((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_ERROR_SRC));
- }
- /**
- * @brief Read Error Message
- * @param DeviceAddr: Device address on communication Bus.
- * @retval Error message code with error source
- */
- uint8_t mfxstm32l152_Error_ReadMsg(uint16_t DeviceAddr)
- {
- /* Get the current message register value */
- return(MFX_IO_Read((uint8_t) DeviceAddr, MFXSTM32L152_REG_ADR_ERROR_MSG));
- }
- /**
- * @brief Enable Error global interrupt
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None
- */
- void mfxstm32l152_Error_EnableIT(uint16_t DeviceAddr)
- {
- MFX_IO_ITConfig();
- /* Enable global Error interrupt source */
- mfxstm32l152_EnableITSource(DeviceAddr, MFXSTM32L152_IRQ_ERROR);
- }
- /**
- * @brief Clear Error global interrupt
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None
- */
- void mfxstm32l152_Error_ClearIT(uint16_t DeviceAddr)
- {
- /* Clear the global Error interrupt source */
- mfxstm32l152_ClearGlobalIT(DeviceAddr, MFXSTM32L152_IRQ_ERROR);
- }
- /**
- * @brief get Error interrupt status
- * @param DeviceAddr: Device address on communication Bus.
- * @retval Error interrupts status
- */
- uint8_t mfxstm32l152_Error_GetITStatus(uint16_t DeviceAddr)
- {
- /* Return Error interrupt status */
- return(mfxstm32l152_GlobalITStatus(DeviceAddr, MFXSTM32L152_IRQ_ERROR));
- }
- /**
- * @brief disable Error interrupt
- * @param DeviceAddr: Device address on communication Bus.
- * @retval None.
- */
- void mfxstm32l152_Error_DisableIT(uint16_t DeviceAddr)
- {
- /* Disable global Error interrupt source */
- mfxstm32l152_DisableITSource(DeviceAddr, MFXSTM32L152_IRQ_ERROR);
- }
- /**
- * @brief FOR DEBUG ONLY
- */
- uint8_t mfxstm32l152_ReadReg(uint16_t DeviceAddr, uint8_t RegAddr)
- {
- /* Get the current register value */
- return(MFX_IO_Read((uint8_t) DeviceAddr, RegAddr));
- }
- void mfxstm32l152_WriteReg(uint16_t DeviceAddr, uint8_t RegAddr, uint8_t Value)
- {
- /* set the current register value */
- MFX_IO_Write((uint8_t) DeviceAddr, RegAddr, Value);
- }
- /* ------------------------------------------------------------------ */
- /* ----------------------- Private functions ------------------------ */
- /* ------------------------------------------------------------------ */
- /**
- * @brief Check if the device instance of the selected address is already registered
- * and return its index
- * @param DeviceAddr: Device address on communication Bus.
- * @retval Index of the device instance if registered, 0xFF if not.
- */
- static uint8_t mfxstm32l152_GetInstance(uint16_t DeviceAddr)
- {
- uint8_t idx = 0;
-
- /* Check all the registered instances */
- for(idx = 0; idx < MFXSTM32L152_MAX_INSTANCE ; idx ++)
- {
- if(mfxstm32l152[idx] == DeviceAddr)
- {
- return idx;
- }
- }
-
- return 0xFF;
- }
- /**
- * @brief Release registered device instance
- * @param DeviceAddr: Device address on communication Bus.
- * @retval Index of released device instance, 0xFF if not.
- */
- static uint8_t mfxstm32l152_ReleaseInstance(uint16_t DeviceAddr)
- {
- uint8_t idx = 0;
-
- /* Check for all the registered instances */
- for(idx = 0; idx < MFXSTM32L152_MAX_INSTANCE ; idx ++)
- {
- if(mfxstm32l152[idx] == DeviceAddr)
- {
- mfxstm32l152[idx] = 0;
- return idx;
- }
- }
- return 0xFF;
- }
- /**
- * @brief Internal routine
- * @param DeviceAddr: Device address on communication Bus.
- * @param RegisterAddr: Register Address
- * @param PinPosition: Pin [0:23]
- * @param PinValue: 0/1
- * @retval None
- */
- void mfxstm32l152_reg24_setPinValue(uint16_t DeviceAddr, uint8_t RegisterAddr, uint32_t PinPosition, uint8_t PinValue )
- {
- uint8_t tmp = 0;
- uint8_t pin_0_7, pin_8_15, pin_16_23;
- pin_0_7 = PinPosition & 0x0000ff;
- pin_8_15 = PinPosition >> 8;
- pin_8_15 = pin_8_15 & 0x00ff;
- pin_16_23 = PinPosition >> 16;
-
- if (pin_0_7)
- {
- /* Get the current register value */
- tmp = MFX_IO_Read(DeviceAddr, RegisterAddr);
-
- /* Set the selected pin direction */
- if (PinValue != 0)
- {
- tmp |= (uint8_t)pin_0_7;
- }
- else
- {
- tmp &= ~(uint8_t)pin_0_7;
- }
-
- /* Set the new register value */
- MFX_IO_Write(DeviceAddr, RegisterAddr, tmp);
- }
- if (pin_8_15)
- {
- /* Get the current register value */
- tmp = MFX_IO_Read(DeviceAddr, RegisterAddr+1);
-
- /* Set the selected pin direction */
- if (PinValue != 0)
- {
- tmp |= (uint8_t)pin_8_15;
- }
- else
- {
- tmp &= ~(uint8_t)pin_8_15;
- }
-
- /* Set the new register value */
- MFX_IO_Write(DeviceAddr, RegisterAddr+1, tmp);
- }
- if (pin_16_23)
- {
- /* Get the current register value */
- tmp = MFX_IO_Read(DeviceAddr, RegisterAddr+2);
-
- /* Set the selected pin direction */
- if (PinValue != 0)
- {
- tmp |= (uint8_t)pin_16_23;
- }
- else
- {
- tmp &= ~(uint8_t)pin_16_23;
- }
-
- /* Set the new register value */
- MFX_IO_Write(DeviceAddr, RegisterAddr+2, tmp);
- }
- }
- /**
- * @}
- */
- /**
- * @}
- */
- /**
- * @}
- */
- /**
- * @}
- */
- /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|