基于HAL库开发的FDC2214驱动程序C源码.zip

#include "fdc2214.h" extern I2C_HandleTypeDef hi2c2; uint8_t FDC2214_Init(void) { uint8_t i = 0; uint8_t cof[2]; volatile uint16_t check[2]; cof[0] = 0xFF; cof[1] = 0xFF; HAL_I2C_Mem_Write(&hi2c2, FDC2214, RCOUNT_CH0, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0xFF; cof[1] = 0xFF; HAL_I2C_Mem_Write(&hi2c2, FDC2214, RCOUNT_CH1, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0xFF; cof[1] = 0xFF; HAL_I2C_Mem_Write(&hi2c2, FDC2214, RCOUNT_CH2, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0xFF; cof[1] = 0xFF; HAL_I2C_Mem_Write(&hi2c2, FDC2214, RCOUNT_CH3, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x00; cof[1] = 0x00; HAL_I2C_Mem_Write(&hi2c2, FDC2214, OFFSET_CH0, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x00; cof[1] = 0x00; HAL_I2C_Mem_Write(&hi2c2, FDC2214, OFFSET_CH1, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x00; cof[1] = 0x00; HAL_I2C_Mem_Write(&hi2c2, FDC2214, OFFSET_CH2, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x00; cof[1] = 0x00; HAL_I2C_Mem_Write(&hi2c2, FDC2214, OFFSET_CH3, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x04; cof[1] = 0x00; HAL_I2C_Mem_Write(&hi2c2, FDC2214, SETTLECOUNT_CH0, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x04; cof[1] = 0x00; HAL_I2C_Mem_Write(&hi2c2, FDC2214, SETTLECOUNT_CH1, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x04; cof[1] = 0x00; HAL_I2C_Mem_Write(&hi2c2, FDC2214, SETTLECOUNT_CH2, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x04; cof[1] = 0x00; HAL_I2C_Mem_Write(&hi2c2, FDC2214, SETTLECOUNT_CH3, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x10; cof[1] = 0x01; HAL_I2C_Mem_Write(&hi2c2, FDC2214, CLOCK_DIVIDERS_C_CH0, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x10; cof[1] = 0x01; HAL_I2C_Mem_Write(&hi2c2, FDC2214, CLOCK_DIVIDERS_C_CH1, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x10; cof[1] = 0x01; HAL_I2C_Mem_Write(&hi2c2, FDC2214, CLOCK_DIVIDERS_C_CH2, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x10; cof[1] = 0x01; HAL_I2C_Mem_Write(&hi2c2, FDC2214, CLOCK_DIVIDERS_C_CH3, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x00; cof[1] = 0x01; HAL_I2C_Mem_Write(&hi2c2, FDC2214, ERROR_CONFIG, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x1e; cof[1] = 0x01; HAL_I2C_Mem_Write(&hi2c2, FDC2214, CONFIG, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0xC2; cof[1] = 0x0C; HAL_I2C_Mem_Write(&hi2c2, FDC2214, MUX_CONFIG, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x00; cof[1] = 0x00; HAL_I2C_Mem_Write(&hi2c2, FDC2214, RESET_DEV, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x8c; cof[1] = 0x40; HAL_I2C_Mem_Write(&hi2c2, FDC2214, DRIVE_CURRENT_CH0, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x8c; cof[1] = 0x40; HAL_I2C_Mem_Write(&hi2c2, FDC2214, DRIVE_CURRENT_CH1, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x88; cof[1] = 0x00; HAL_I2C_Mem_Write(&hi2c2, FDC2214, DRIVE_CURRENT_CH2, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; cof[0] = 0x88; cof[1] = 0x00; HAL_I2C_Mem_Write(&hi2c2, FDC2214, DRIVE_CURRENT_CH3, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; HAL_I2C_Mem_Read(&hi2c2, FDC2214, MANUFACTURER_ID, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; check[0] = cof[1] | cof[0] << 8; HAL_I2C_Mem_Read(&hi2c2, FDC2214, DEVICE_ID, I2C_MEMADD_SIZE_8BIT, cof, 2, 100); for (i = 0; i < 20; i++) ; check[1] = cof[1] | cof[0] << 8; if ((check[0] == MANUFACTURER_ID_val) && (check[1] == DEVICE_ID_val)) return 0; else return 1; } uint32_t FDC2214_GetCapacitanceData(uint8_t channel) { volatile uint32_t data; uint8_t i = 0; uint8_t pdata[4]; switch (channel) { case 0: HAL_I2C_Mem_Read(&hi2c2, FDC2214, DATA_MSB_CH0, I2C_MEMADD_SIZE_8BIT, pdata, 2, 100); for (i = 0; i < 20; i++) ; HAL_I2C_Mem_Read(&hi2c2, FDC2214, DATA_LSB_CH0, I2C_MEMADD_SIZE_8BIT, pdata + 2, 2, 100); for (i = 0; i < 20; i++) ; data = ((pdata[0] << 24 | pdata[1] << 16 | pdata[2] << 8 | pdata[3]) & 0x0fffffff); return data; case 1: HAL_I2C_Mem_Read(&hi2c2, FDC2214, DATA_MSB_CH1, I2C_MEMADD_SIZE_8BIT, pdata, 2, 100); for (i = 0; i < 20; i++) ; HAL_I2C_Mem_Read(&hi2c2, FDC2214, DATA_LSB_CH1, I2C_MEMADD_SIZE_8BIT, pdata + 2, 2, 100); for (i = 0; i < 20; i++) ; data = ((pdata[0] << 24 | pdata[1] << 16 | pdata[2] << 8 | pdata[3]) & 0x0fffffff); return data; case 2: HAL_I2C_Mem_Read(&hi2c2, FDC2214, DATA_MSB_CH2, I2C_MEMADD_SIZE_8BIT, pdata, 2, 100); for (i = 0; i < 20; i++) ; HAL_I2C_Mem_Read(&hi2c2, FDC2214, DATA_LSB_CH2, I2C_MEMADD_SIZE_8BIT, pdata + 2, 2, 100); for (i = 0; i < 20; i++) ; data = ((pdata[0] << 24 | pdata[1] << 16 | pdata[2] << 8 | pdata[3]) & 0x0fffffff); return data; case 3: HAL_I2C_Mem_Read(&hi2c2, FDC2214, DATA_MSB_CH3, I2C_MEMADD_SIZE_8BIT, pdata, 2, 100); for (i = 0; i < 20; i++) ; HAL_I2C_Mem_Read(&hi2c2, FDC2214, DATA_LSB_CH3, I2C_MEMADD_SIZE_8BIT, pdata + 2, 2, 100); for (i = 0; i < 20; i++) ; data = ((pdata[0] << 24 | pdata[1] << 16 | pdata[2] << 8 | pdata[3]) & 0x0fffffff); return data; default: return 0; } }