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- /*
- * File : drv_spi.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date Author Notes
- * 2017-08-30 tanek first implementation.
- */
- #include <rtthread.h>
- #include <rthw.h>
- #include <rtdevice.h>
- #include <stdbool.h>
- #include "drv_spi.h"
- #include "drv_gpio.h"
- #include "drv_clock.h"
- #define SPI_BUS_MAX_CLK (30 * 1000 * 1000)
- //#define DEBUG
- #define DBG_SECTION_NAME "SPI"
- #ifdef DEBUG
- #define DBG_LEVEL DBG_LOG
- #else
- #define DBG_LEVEL DBG_WARNING
- #endif /* DEBUG */
- #include <rtdbg.h>
- #ifdef RT_USING_SPI
- #define ARR_LEN(__N) (sizeof(__N) / sizeof(__N[0]))
- #define __SPI_STATIC_INLINE__ rt_inline
- /*
- * @brief Hardware Layer Interface
- */
- __SPI_STATIC_INLINE__
- rt_uint32_t SPI_GetVersion(SPI_T *spi)
- {
- return spi->VER;
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_Reset(SPI_T *spi)
- {
- HAL_SET_BIT(spi->CTRL, SPI_CTRL_RST_MASK);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_SetMode(SPI_T *spi, SPI_CTRL_Mode mode)
- {
- HAL_MODIFY_REG(spi->CTRL, SPI_CTRL_MODE_MASK, mode);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_Enable(SPI_T *spi)
- {
- HAL_SET_BIT(spi->CTRL, SPI_CTRL_EN_MASK);
- }
- __SPI_STATIC_INLINE__
- void SPI_Disable(SPI_T *spi)
- {
- HAL_CLR_BIT(spi->CTRL, SPI_CTRL_EN_MASK);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_StartTransmit(SPI_T *spi)
- {
- HAL_SET_BIT(spi->TCTRL, SPI_TCTRL_XCH_MASK);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_SetFirstTransmitBit(SPI_T *spi, SPI_TCTRL_Fbs bit)
- {
- HAL_MODIFY_REG(spi->TCTRL, SPI_TCTRL_FBS_MASK, bit);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_EnableRapidsMode(SPI_T *spi, bool delay_sample)
- {
- HAL_SET_BIT(spi->TCTRL, SPI_TCTRL_RPSM_MASK);
- HAL_MODIFY_REG(spi->TCTRL, SPI_TCTRL_SDC_MASK, delay_sample << SPI_TCTRL_SDC_SHIFT);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_DisableRapidsMode(SPI_T *spi)
- {
- HAL_CLR_BIT(spi->TCTRL, SPI_TCTRL_RPSM_MASK);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_SetDuplex(SPI_T *spi, SPI_TCTRL_DHB_Duplex duplex)
- {
- HAL_MODIFY_REG(spi->TCTRL, SPI_TCTRL_DHB_MASK, duplex);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_SetCsLevel(SPI_T *spi, bool level)
- {
- HAL_MODIFY_REG(spi->TCTRL, SPI_TCTRL_SS_LEVEL_MASK, level << SPI_TCTRL_SS_LEVEL_SHIFT);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_ManualChipSelect(SPI_T *spi, SPI_TCTRL_SS_Sel cs)
- {
- HAL_SET_BIT(spi->TCTRL, SPI_TCTRL_SS_OWNER_MASK);
- HAL_MODIFY_REG(spi->TCTRL, SPI_TCTRL_SS_SEL_MASK, cs);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_AutoChipSelect(SPI_T *spi, SPI_TCTRL_SS_Sel cs, bool cs_remain)
- {
- HAL_MODIFY_REG(spi->TCTRL, SPI_TCTRL_SS_SEL_MASK, cs);
- HAL_CLR_BIT(spi->TCTRL, SPI_TCTRL_SS_OWNER_MASK);
- HAL_MODIFY_REG(spi->TCTRL, SPI_TCTRL_SS_CTL_MASK, (!cs_remain) << SPI_TCTRL_SS_CTL_SHIFT);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_SetCsIdle(SPI_T *spi, bool idle)
- {
- HAL_MODIFY_REG(spi->TCTRL, SPI_TCTRL_SPOL_MASK, (!!idle) << SPI_TCTRL_SPOL_SHIFT);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_SetSclkMode(SPI_T *spi, SPI_SCLK_Mode mode)
- {
- HAL_MODIFY_REG(spi->TCTRL, SPI_TCTRL_CPOL_MASK | SPI_TCTRL_CPHA_MASK, mode);
- }
- typedef enum
- {
- SPI_INT_CS_DESELECT = SPI_IER_SS_INT_EN_MASK,
- SPI_INT_TRANSFER_COMPLETE = SPI_IER_TC_INT_EN_MASK,
- SPI_INT_TXFIFO_UNDER_RUN = SPI_IER_TF_UDR_INT_EN_MASK,
- SPI_INT_TXFIFO_OVERFLOW = SPI_IER_TF_OVF_INT_EN_MASK,
- SPI_INT_RXFIFO_UNDER_RUN = SPI_IER_RF_UDR_INT_EN_MASK,
- SPI_INT_RXFIFO_OVERFLOW = SPI_IER_RF_OVF_INT_EN_MASK,
- SPI_INT_TXFIFO_FULL = SPI_IER_TF_FUL_INT_EN_MASK,
- SPI_INT_TXFIFO_EMPTY = SPI_IER_TX_EMP_INT_EN_MASK,
- SPI_INT_TXFIFO_READY = SPI_IER_TX_ERQ_INT_EN_MASK,
- SPI_INT_RXFIFO_FULL = SPI_IER_RF_FUL_INT_EN_MASK,
- SPI_INT_RXFIFO_EMPTY = SPI_IER_RX_EMP_INT_EN_MASK,
- SPI_INT_RXFIFO_READY = SPI_IER_RF_RDY_INT_EN_MASK
- } SPI_Int_Type;
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_EnableInt(SPI_T *spi, SPI_Int_Type type)
- {
- HAL_SET_BIT(spi->IER, type);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_DisableInt(SPI_T *spi, SPI_Int_Type type)
- {
- HAL_CLR_BIT(spi->IER, type);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- bool SPI_IntState(SPI_T *spi, SPI_Int_Type type)
- {
- return !!HAL_GET_BIT(spi->STA, type);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- bool SPI_ClearInt(SPI_T *spi, SPI_Int_Type type)
- {
- HAL_SET_BIT(spi->STA, type);
- return HAL_GET_BIT(spi->STA, type);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_DebugReadTx(SPI_T *spi, rt_uint32_t *data)
- {
- // tbc...
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_DebugWriteRx(SPI_T *spi, rt_uint32_t *data)
- {
- // tbc...
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_ResetTxFifo(SPI_T *spi)
- {
- HAL_SET_BIT(spi->FCTL, SPI_FCTL_TF_RST_MASK);
- while (HAL_GET_BIT(spi->FCTL, SPI_FCTL_TF_RST_MASK) != 0);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_ResetRxFifo(SPI_T *spi)
- {
- HAL_SET_BIT(spi->FCTL, SPI_FCTL_RF_RST_MASK);
- while (HAL_GET_BIT(spi->FCTL, SPI_FCTL_RF_RST_MASK) != 0);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_DMA(SPI_T *spi, bool txEn, bool rxEn)
- {
- HAL_MODIFY_REG(spi->FCTL,
- SPI_FCTL_TF_DRQ_EN_MASK | SPI_FCTL_RF_DRQ_EN_MASK,
- ((!!txEn) << SPI_FCTL_TF_DRQ_EN_SHIFT) | ((!!rxEn) << SPI_FCTL_RF_DRQ_EN_SHIFT));
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_SetTxFifoThreshold(SPI_T *spi, rt_uint8_t threshold)
- {
- HAL_MODIFY_REG(spi->FCTL, SPI_FCTL_TX_TRIG_LEVEL_MASK, threshold << SPI_FCTL_TX_TRIG_LEVEL_SHIFT);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_SetRxFifoThreshold(SPI_T *spi, rt_uint8_t threshold)
- {
- HAL_MODIFY_REG(spi->FCTL, SPI_FCTL_RX_TRIG_LEVEL_MASK, threshold << SPI_FCTL_RX_TRIG_LEVEL_SHIFT);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- rt_uint8_t SPI_GetTxFifoCounter(SPI_T *spi)
- {
- return (rt_uint8_t)((spi->FST & SPI_FST_TF_CNT_MASK) >> SPI_FST_TF_CNT_SHIFT);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- rt_uint8_t SPI_GetRxFifoCounter(SPI_T *spi)
- {
- return (rt_uint8_t)((spi->FST & SPI_FST_RF_CNT_MASK) >> SPI_FST_RF_CNT_SHIFT);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_EnableDualMode(SPI_T *spi)
- {
- HAL_SET_BIT(spi->BCC, SPI_BCC_DRM_MASK);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_DisableDualMode(SPI_T *spi)
- {
- HAL_CLR_BIT(spi->BCC, SPI_BCC_DRM_MASK);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_SetInterval(SPI_T *spi, rt_uint16_t nSCLK)
- {
- HAL_MODIFY_REG(spi->WAIT, SPI_WAIT_WCC_MASK, nSCLK << SPI_WAIT_WCC_SHIFT);
- }
- /*
- * @brief
- */
- static void SPI_SetClkDiv(SPI_T *spi, rt_uint16_t div)
- {
- rt_uint8_t n = 0;
- if (div < 1)
- {
- return;
- }
- if (div > 2 * (0xFF + 1))
- {
- HAL_CLR_BIT(spi->CCTR, SPI_CCTR_DRS_MASK);
- do
- {
- div = (div == 1) ? 0 : ((div + 1) / 2);
- n++;
- }
- while (div);
- HAL_MODIFY_REG(spi->CCTR, SPI_CCTR_CDR1_MASK, (n & 0x0F) << SPI_CCTR_CDR1_SHIFT);
- }
- else
- {
- HAL_SET_BIT(spi->CCTR, SPI_CCTR_DRS_MASK);
- n = ((div + 1) / 2) - 1;
- HAL_MODIFY_REG(spi->CCTR, SPI_CCTR_CDR2_MASK, (n & 0xFF) << SPI_CCTR_CDR2_SHIFT);
- }
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_SetDataSize(SPI_T *spi, rt_uint32_t data_size, rt_uint32_t dummy_size)
- {
- HAL_MODIFY_REG(spi->BC, SPI_BC_MBC_MASK, data_size + dummy_size);
- HAL_MODIFY_REG(spi->TC, SPI_TC_MWTC_MASK, data_size);
- HAL_MODIFY_REG(spi->BCC, SPI_BCC_STC_MASK, data_size);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_Write(SPI_T *spi, rt_uint8_t *data)
- {
- HAL_REG_8BIT(&spi->TXD) = *data;
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- void SPI_Read(SPI_T *spi, rt_uint8_t *data)
- {
- *data = HAL_REG_8BIT(&spi->RXD);
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- rt_uint8_t *SPI_TxAddress(SPI_T *spi)
- {
- return (rt_uint8_t *)&spi->TXD;
- }
- /*
- * @brief
- */
- __SPI_STATIC_INLINE__
- rt_uint8_t *SPI_RxAddress(SPI_T *spi)
- {
- return (rt_uint8_t *)&spi->RXD;
- }
- /* private rt-thread spi ops function */
- static rt_err_t configure(struct rt_spi_device *device, struct rt_spi_configuration *configuration);
- static rt_uint32_t xfer(struct rt_spi_device *device, struct rt_spi_message *message);
- static struct rt_spi_ops tina_spi_ops =
- {
- configure,
- xfer
- };
- static rt_err_t configure(struct rt_spi_device *device,
- struct rt_spi_configuration *configuration)
- {
- struct rt_spi_bus *spi_bus = (struct rt_spi_bus *)device->bus;
- struct tina_spi_cs *tina_spi_cs = device->parent.user_data;
- struct tina_spi *_spi_info = (struct tina_spi *)spi_bus->parent.user_data;
- SPI_T *spi = _spi_info->spi;
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- RT_ASSERT(device != RT_NULL);
- RT_ASSERT(configuration != RT_NULL);
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- LOG_D("spi address: %08X", (rt_uint32_t)spi);
- SPI_Disable(spi);
- SPI_Reset(spi);
- SPI_ResetRxFifo(spi);
- SPI_ResetTxFifo(spi);
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- /* data_width */
- if (configuration->data_width != 8)
- {
- LOG_D("error: data_width is %d", configuration->data_width);
- return RT_EIO;
- }
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- SPI_SetDuplex(spi, SPI_TCTRL_DHB_FULL_DUPLEX);
- SPI_SetMode(spi, SPI_CTRL_MODE_MASTER);
- /* MSB or LSB */
- if (configuration->mode & RT_SPI_MSB)
- {
- SPI_SetFirstTransmitBit(spi, SPI_TCTRL_FBS_MSB);
- }
- else
- {
- SPI_SetFirstTransmitBit(spi, SPI_TCTRL_FBS_LSB);
- }
- switch (configuration->mode)
- {
- case RT_SPI_MODE_0:
- SPI_SetSclkMode(spi, SPI_SCLK_Mode0);
- break;
- case RT_SPI_MODE_1:
- SPI_SetSclkMode(spi, SPI_SCLK_Mode1);
- break;
- case RT_SPI_MODE_2:
- SPI_SetSclkMode(spi, SPI_SCLK_Mode2);
- break;
- case RT_SPI_MODE_3:
- SPI_SetSclkMode(spi, SPI_SCLK_Mode3);
- break;
- }
- /* baudrate */
- {
- unsigned int spi_clock = 0;
- rt_uint32_t max_hz;
- rt_uint32_t div;
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- max_hz = configuration->max_hz;
- if (max_hz > SPI_BUS_MAX_CLK)
- {
- max_hz = SPI_BUS_MAX_CLK;
- }
- spi_clock = ahb_get_clk();
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- div = (spi_clock + max_hz - 1) / max_hz;
- LOG_D("configuration->max_hz: %d", configuration->max_hz);
- LOG_D("max freq: %d", max_hz);
- LOG_D("spi_clock: %d", spi_clock);
- LOG_D("div: %d", div);
- SPI_SetClkDiv(spi, div / 2);
- } /* baudrate */
- SPI_ManualChipSelect(spi, tina_spi_cs->cs);
- SPI_SetDataSize(spi, 0, 0);
- SPI_Enable(spi);
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- return RT_EOK;
- };
- static rt_uint32_t xfer(struct rt_spi_device *device, struct rt_spi_message *message)
- {
- struct rt_spi_bus *r6_spi_bus = (struct rt_spi_bus *)device->bus;
- struct tina_spi *_spi_info = (struct tina_spi *)r6_spi_bus->parent.user_data;
- SPI_T *spi = _spi_info->spi;
- struct rt_spi_configuration *config = &device->config;
- struct tina_spi_cs *tina_spi_cs = device->parent.user_data;
- RT_ASSERT(device != NULL);
- RT_ASSERT(message != NULL);
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- LOG_D("spi_info: %08X", (rt_uint32_t)_spi_info);
- LOG_D("spi address: %08X", (rt_uint32_t)spi);
- /* take CS */
- if (message->cs_take)
- {
- SPI_ManualChipSelect(spi, tina_spi_cs->cs);
- SPI_SetCsLevel(spi, false);
- LOG_D("spi take cs");
- }
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- {
- if ((config->data_width <= 8) && (message->length > 0))
- {
- const rt_uint8_t *send_ptr = message->send_buf;
- rt_uint8_t *recv_ptr = message->recv_buf;
- rt_uint32_t tx_size = message->length;
- rt_uint32_t rx_size = message->length;
- LOG_D("spi poll transfer start: %d", tx_size);
- SPI_ResetTxFifo(spi);
- SPI_ResetRxFifo(spi);
- SPI_SetDataSize(spi, tx_size, 0);
- SPI_StartTransmit(spi);
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- while (tx_size > 0 || rx_size > 0)
- {
- rt_uint8_t tx_data = 0xFF;
- rt_uint8_t rx_data = 0xFF;
- while ((SPI_GetTxFifoCounter(spi) < SPI_FIFO_SIZE) && (tx_size > 0))
- {
- if (send_ptr != RT_NULL)
- {
- tx_data = *send_ptr++;
- }
- SPI_Write(spi, &tx_data);
- tx_size--;
- }
- while (SPI_GetRxFifoCounter(spi) > 0)
- {
- rx_size--;
- SPI_Read(spi, &rx_data);
- if (recv_ptr != RT_NULL)
- {
- *recv_ptr++ = rx_data;
- }
- }
- }
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- if ((tx_size != 0) || (rx_size != 0))
- {
- LOG_D("spi_tx_rx error with tx count = %d, rx count = %d.", tx_size, rx_size);
- return 0;
- }
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- while (SPI_IntState(spi, SPI_INT_TRANSFER_COMPLETE) == 0);
- SPI_ClearInt(spi, SPI_INT_TRANSFER_COMPLETE);
- LOG_D("spi poll transfer finsh");
- }
- else if (config->data_width > 8)
- {
- LOG_D("data width: %d", config->data_width);
- RT_ASSERT(NULL);
- }
- }
- /* release CS */
- if (message->cs_release)
- {
- SPI_SetCsLevel(spi, true);
- LOG_D("spi release cs");
- }
- return message->length;
- };
- #ifdef TINA_USING_SPI0
- static struct rt_spi_bus spi_bus0;
- #endif
- #ifdef TINA_USING_SPI1
- static struct rt_spi_bus spi_bus1;
- #endif
- static const struct tina_spi spis[] =
- {
- #ifdef TINA_USING_SPI0
- {(SPI_T *)SPI0_BASE_ADDR, SPI0_GATING, &spi_bus0},
- #endif
- #ifdef TINA_USING_SPI1
- {(SPI_T *)SPI1_BASE_ADDR, SPI1_GATING, &spi_bus1},
- #endif
- };
- /** \brief init and register r6 spi bus.
- *
- * \param SPI: R6 SPI, e.g: SPI1,SPI2,SPI3.
- * \param spi_bus_name: spi bus name, e.g: "spi1"
- * \return
- *
- */
- rt_err_t tina_spi_bus_register(SPI_T *spi, const char *spi_bus_name)
- {
- int i;
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- RT_ASSERT(spi_bus_name != RT_NULL);
- for (i = 0; i < ARR_LEN(spis); i++)
- {
- if (spi == spis[i].spi)
- {
- bus_software_reset_disalbe(spis[i].spi_gate);
- bus_gate_clk_enalbe(spis[i].spi_gate);
- spis[i].spi_bus->parent.user_data = (void *)&spis[i];
- LOG_D("bus addr: %08X", (rt_uint32_t)spis[i].spi_bus);
- LOG_D("user_data: %08X", (rt_uint32_t)spis[i].spi_bus->parent.user_data);
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- rt_spi_bus_register(spis[i].spi_bus, spi_bus_name, &tina_spi_ops);
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- return RT_EOK;
- }
- }
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- return RT_ERROR;
- }
- int rt_hw_spi_init(void)
- {
- LOG_D("register spi bus");
- #ifdef TINA_USING_SPI0
- /* register spi bus */
- {
- rt_err_t result;
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- gpio_set_func(GPIO_PORT_C, GPIO_PIN_0, IO_FUN_1);
- gpio_set_func(GPIO_PORT_C, GPIO_PIN_2, IO_FUN_1);
- gpio_set_func(GPIO_PORT_C, GPIO_PIN_3, IO_FUN_1);
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- result = tina_spi_bus_register((SPI_T *)SPI0_BASE_ADDR, "spi0");
- if (result != RT_EOK)
- {
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- return result;
- }
- }
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- /* attach cs */
- {
- static struct rt_spi_device spi_device;
- static struct tina_spi_cs spi_cs;
- rt_err_t result;
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- spi_cs.cs = SPI_TCTRL_SS_SEL_SS0;
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- gpio_set_func(GPIO_PORT_C, GPIO_PIN_1, IO_FUN_1);
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- result = rt_spi_bus_attach_device(&spi_device, "spi00", "spi0", (void *)&spi_cs);
- if (result != RT_EOK)
- {
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- return result;
- }
- }
- LOG_D("%s -> %d", __FUNCTION__, __LINE__);
- #endif
- #ifdef TINA_USING_SPI1
- /* register spi bus */
- {
- rt_err_t result;
- gpio_set_func(GPIO_PORT_A, GPIO_PIN_1, IO_FUN_5);
- gpio_set_func(GPIO_PORT_A, GPIO_PIN_2, IO_FUN_5);
- gpio_set_func(GPIO_PORT_A, GPIO_PIN_3, IO_FUN_5);
- result = tina_spi_bus_register((SPI_T *)SPI1_BASE_ADDR, "spi1");
- if (result != RT_EOK)
- {
- LOG_D("register spi bus faild: %d", result);
- return result;
- }
- }
- LOG_D("attach cs");
- /* attach cs */
- {
- static struct rt_spi_device spi_device;
- static struct tina_spi_cs spi_cs;
- rt_err_t result;
- spi_cs.cs = SPI_TCTRL_SS_SEL_SS0;
- gpio_set_func(GPIO_PORT_A, GPIO_PIN_0, IO_FUN_5);
- result = rt_spi_bus_attach_device(&spi_device, "spi10", "spi1", (void *)&spi_cs);
- if (result != RT_EOK)
- {
- LOG_D("attach cs faild: %d", result);
- return result;
- }
- }
- #endif
- return RT_EOK;
- }
- INIT_BOARD_EXPORT(rt_hw_spi_init);
- #endif
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