/** ************************************************************************** * @file at32f421_cmp.h * @brief at32f421 cmp header file ************************************************************************** * Copyright notice & Disclaimer * * The software Board Support Package (BSP) that is made available to * download from Artery official website is the copyrighted work of Artery. * Artery authorizes customers to use, copy, and distribute the BSP * software and its related documentation for the purpose of design and * development in conjunction with Artery microcontrollers. Use of the * software is governed by this copyright notice and the following disclaimer. * * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES, * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS, * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS, * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. * ************************************************************************** */ /* define to prevent recursive inclusion -------------------------------------*/ #ifndef __AT32F421_CMP_H #define __AT32F421_CMP_H #ifdef __cplusplus extern "C" { #endif /* includes ------------------------------------------------------------------*/ #include "at32f421.h" /** @addtogroup AT32F421_periph_driver * @{ */ /** @addtogroup CMP * @{ */ /** @defgroup CMP_exported_types * @{ */ /** * @brief cmp non-inverting type */ typedef enum { CMP_NON_INVERTING_PA5 = 0x00, /*!< comparator non-inverting connect to pa5 */ CMP_NON_INVERTING_PA1 = 0x01, /*!< comparator non-inverting connect to pa1 */ CMP_NON_INVERTING_PA0 = 0x02, /*!< comparator non-inverting connect to pa0 */ CMP_NON_INVERTING_VSSA = 0x03 /*!< comparator non-inverting connect to vssa */ } cmp_non_inverting_type; /** * @brief cmp inverting type */ typedef enum { CMP_INVERTING_1_4VREFINT = 0x00, /*!< comparator inverting connect to 1_4vrefint */ CMP_INVERTING_1_2VREFINT = 0x01, /*!< comparator inverting connect to 1_2vrefint */ CMP_INVERTING_3_4VREFINT = 0x02, /*!< comparator inverting connect to 3_4vrefint */ CMP_INVERTING_VREFINT = 0x03, /*!< comparator inverting connect to vrefint */ CMP_INVERTING_PA4 = 0x04, /*!< comparator inverting connect to pa4 */ CMP_INVERTING_PA5 = 0x05, /*!< comparator inverting connect to pa5 */ CMP_INVERTING_PA0 = 0x06, /*!< comparator inverting connect to pa0 */ CMP_INVERTING_PA2 = 0x07 /*!< comparator inverting connect to pa2 */ } cmp_inverting_type; /** * @brief cmp speed type */ typedef enum { CMP_SPEED_FAST = 0x00, /*!< comparator selected fast speed */ CMP_SPEED_MEDIUM = 0x01, /*!< comparator selected medium speed */ CMP_SPEED_SLOW = 0x02, /*!< comparator selected slow speed */ CMP_SPEED_ULTRALOW = 0x03 /*!< comparator selected ultralow speed */ } cmp_speed_type; /** * @brief cmp output type */ typedef enum { CMP_OUTPUT_NONE = 0x00, /*!< comparator has no output */ CMP_OUTPUT_TMR1BRK = 0x01, /*!< comparator output connect to tmr1brk */ CMP_OUTPUT_TMR1CH1 = 0x02, /*!< comparator output connect to tmr1ch1 */ CMP_OUTPUT_TMR1CHCLR = 0x03, /*!< comparator output connect to tmr1chclr */ CMP_OUTPUT_TMR3CH1 = 0x06, /*!< comparator output connect to tmr3ch1 */ CMP_OUTPUT_TMR3CHCLR = 0x07 /*!< comparator output connect to tmr3chclr */ } cmp_output_type; /** * @brief cmp polarity type */ typedef enum { CMP_POL_NON_INVERTING = 0x00, /*!< comparator polarity non-inverting */ CMP_POL_INVERTING = 0x01, /*!< comparator polarity inverting */ } cmp_polarity_type; /** * @brief cmp hysteresis type */ typedef enum { CMP_HYSTERESIS_NONE = 0x00, /*!< comparator selected no hysteresis */ CMP_HYSTERESIS_LOW = 0x01, /*!< comparator selected low hysteresis */ CMP_HYSTERESIS_MEDIUM = 0x02, /*!< comparator selected medium hysteresis */ CMP_HYSTERESIS_HIGH = 0x03 /*!< comparator selected high hysteresis */ } cmp_hysteresis_type; /** * @brief cmp blanking type */ typedef enum { CMP_BLANKING_NONE = 0x00, /*!< comparator no blanking */ CMP_BLANKING_TMR1_CH4 = 0x01, /*!< comparator selected tmr1 ch4 as blanking */ CMP_BLANKING_TMR3_CH3 = 0x03, /*!< comparator selected tmr3 ch3 as blanking */ CMP_BLANKING_TMR15_CH2 = 0x04, /*!< comparator selected tmr15 ch2 as blanking */ CMP_BLANKING_TMR15_CH1 = 0x06 /*!< comparator selected tmr15 ch1 as blanking */ } cmp_blanking_type; /** * @brief cmp scale voltage and voltage bridge type */ typedef enum { CMP_SCAL_BRG_00 = 0x00, /*!< comparator selected vrefint = 3/4 vrefint = 1/2 vrefint = 1/4 vrefint = 0v */ CMP_SCAL_BRG_10 = 0x02, /*!< comparator selected vrefint = 3/4 vrefint = 1/2 vrefint = 1/4 vrefint = 1.2v */ CMP_SCAL_BRG_11 = 0x03 /*!< comparator selected vrefint = 1.2v, 3/4 vrefint = 0.9v, 1/2 vrefint = 0.6v, 1/4 vrefint = 0.3v */ } cmp_scal_brg_type; /** * @brief cmp selection type */ typedef enum { CMP1_SELECTION = 0x00, /*!< select comparator 1 */ } cmp_sel_type; /** * @brief cmp init type */ typedef struct { cmp_non_inverting_type cmp_non_inverting; /*!< comparator non-inverting input selection */ cmp_inverting_type cmp_inverting; /*!< comparator inverting selection */ cmp_speed_type cmp_speed; /*!< comparator speed selection */ cmp_output_type cmp_output; /*!< comparator output target selection */ cmp_polarity_type cmp_polarity; /*!< comparator polarity selection */ cmp_hysteresis_type cmp_hysteresis; /*!< comparator hysteresis selection */ }cmp_init_type; /** * @brief type define cmp register all */ typedef struct { /** * @brief cmp control and status register, offset:0x1C */ union { __IO uint32_t ctrlsts; struct { __IO uint32_t cmpen : 1; /* [0] */ __IO uint32_t cmpis : 1; /* [1] */ __IO uint32_t cmpssel : 2; /* [3:2] */ __IO uint32_t cmpinvsel : 3; /* [6:4] */ __IO uint32_t cmpninvsel : 2; /* [8:7] */ __IO uint32_t reserved1 : 1; /* [9] */ __IO uint32_t cmptag : 3; /* [12:10] */ __IO uint32_t reserved2 : 2; /* [14:13] */ __IO uint32_t cmpp : 1; /* [15] */ __IO uint32_t cmphyst : 2; /* [17:16] */ __IO uint32_t cmpblanking : 3; /* [20:18] */ __IO uint32_t reserved3 : 1; /* [21] */ __IO uint32_t brgen : 1; /* [22] */ __IO uint32_t scalen : 1; /* [23] */ __IO uint32_t reserved4 : 6; /* [29:24] */ __IO uint32_t cmpvalue : 1; /* [30] */ __IO uint32_t cmpwp : 1; /* [31] */ } ctrlsts_bit; }; /** * @brief crm reserved1 register, offset:0x20 */ __IO uint32_t reserved1; /** * @brief cmp Glitch filter enable register, offset:0x24 */ union { __IO uint32_t g_filter_en; struct { __IO uint32_t gfe : 1; /* [0] */ __IO uint32_t reserved1 : 31;/* [31:1] */ } g_filter_en_bit; }; /** * @brief cmp high pulse count register, offset:0x28 */ union { __IO uint32_t high_pulse; struct { __IO uint32_t h_pulse_cnt : 6; /* [5:0] */ __IO uint32_t reserved1 : 26;/* [31:6] */ } high_pulse_bit; }; /** * @brief cmp low pulse count register, offset:0x2C */ union { __IO uint32_t low_pulse; struct { __IO uint32_t l_pulse_cnt : 6; /* [5:0] */ __IO uint32_t reserved1 : 26;/* [31:6] */ } low_pulse_bit; }; } cmp_type; /** * @} */ #define CMP ((cmp_type *) (SCFG_CMP_BASE + 0x1C)) /** @defgroup CMP_exported_functions * @{ */ void cmp_reset(void); void cmp_init(cmp_sel_type cmp_sel, cmp_init_type* cmp_init_struct); void cmp_default_para_init(cmp_init_type *cmp_init_struct); void cmp_enable(cmp_sel_type cmp_sel, confirm_state new_state); void cmp_input_shift_enable(confirm_state new_state); uint32_t cmp_output_value_get(cmp_sel_type cmp_sel); void cmp_write_protect_enable(cmp_sel_type cmp_sel); void cmp_filter_config(uint16_t high_pulse_cnt, uint16_t low_pulse_cnt, confirm_state new_state); void cmp_blanking_config(cmp_blanking_type blank_sel); void cmp_scal_brg_config(uint32_t scal_brg); /** * @} */ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif