From b60cfbee974e3c59657fddb6c3805c02d924fd65 Mon Sep 17 00:00:00 2001 From: yelvlab Date: Sun, 17 Aug 2025 03:10:50 +0800 Subject: [PATCH] Delete useless file --- Inc/sensor_example.h | 28 --- Src/sensor_example.c | 224 ------------------ i2c_wait.c | 542 ------------------------------------------- 3 files changed, 794 deletions(-) delete mode 100644 Inc/sensor_example.h delete mode 100644 Src/sensor_example.c delete mode 100644 i2c_wait.c diff --git a/Inc/sensor_example.h b/Inc/sensor_example.h deleted file mode 100644 index cf9749f..0000000 --- a/Inc/sensor_example.h +++ /dev/null @@ -1,28 +0,0 @@ -// -// Sensor Usage Example Header -// 传感器使用示例头文件 -// - -#ifndef SENSOR_EXAMPLE_H -#define SENSOR_EXAMPLE_H - -#include "gd32e23x.h" -#include "board_config.h" - -/*! - \brief 传感器初始化示例 - \param[in] none - \param[out] none - \retval none -*/ -void sensors_init_example(void); - -/*! - \brief 传感器读取示例 - \param[in] none - \param[out] none - \retval none -*/ -void sensors_read_example(void); - -#endif // SENSOR_EXAMPLE_H diff --git a/Src/sensor_example.c b/Src/sensor_example.c deleted file mode 100644 index d0c3c9d..0000000 --- a/Src/sensor_example.c +++ /dev/null @@ -1,224 +0,0 @@ -// -// Sensor Usage Example -// 传感器使用示例代码 -// - -#include "ldc1612.h" -// #include "tmp112.h" -#include "i2c.h" - -/*! - \brief 传感器初始化示例 - \param[in] none - \param[out] none - \retval none -*/ -void sensors_init_example(void) { - ldc1612_status_t ldc_status; - // tmp112a_status_t tmp_status; - - /* 初始化I2C总线 */ - i2c_status_t i2c_status = i2c_config(); - if (i2c_status != I2C_STATUS_SUCCESS) { - // 使用串口发送错误信息 - const char* error_msg = "I2C init failed\r\n"; - for (uint8_t i = 0; error_msg[i] != '\0'; i++) { - while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - usart_data_transmit(RS485_PHY, error_msg[i]); - } - while (usart_flag_get(RS485_PHY, USART_FLAG_TC) == RESET) {} - return; - } - - /* 扫描I2C总线 */ - // i2c_scan(); - - /* 初始化LDC1612 */ - ldc_status = ldc1612_init(); - if (ldc_status == LDC1612_STATUS_SUCCESS) { - const char* msg = "LDC1612 init success\r\n"; - for (uint8_t i = 0; msg[i] != '\0'; i++) { - while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - usart_data_transmit(RS485_PHY, msg[i]); - } - while (usart_flag_get(RS485_PHY, USART_FLAG_TC) == RESET) {} - - /* 配置通道0 */ - ldc_status = ldc1612_config_single_channel(LDC1612_CHANNEL_0); - if (ldc_status != LDC1612_STATUS_SUCCESS) { - const char* error = "LDC1612 config failed\r\n"; - for (uint8_t i = 0; error[i] != '\0'; i++) { - while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - usart_data_transmit(RS485_PHY, error[i]); - } - while (usart_flag_get(RS485_PHY, USART_FLAG_TC) == RESET) {} - } - } else { - const char* error = "LDC1612 init failed: "; - for (uint8_t i = 0; error[i] != '\0'; i++) { - while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - usart_data_transmit(RS485_PHY, error[i]); - } - const char* status_str = ldc1612_get_status_string(ldc_status); - for (uint8_t i = 0; status_str[i] != '\0'; i++) { - while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - usart_data_transmit(RS485_PHY, status_str[i]); - } - const char* newline = "\r\n"; - for (uint8_t i = 0; newline[i] != '\0'; i++) { - while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - usart_data_transmit(RS485_PHY, newline[i]); - } - while (usart_flag_get(RS485_PHY, USART_FLAG_TC) == RESET) {} - } - - /* 初始化TMP112A */ - // tmp_status = tmp112a_init(); - // if (tmp_status == TMP112A_STATUS_SUCCESS) { - // const char* msg = "TMP112A init success\r\n"; - // for (uint8_t i = 0; msg[i] != '\0'; i++) { - // while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - // usart_data_transmit(RS485_PHY, msg[i]); - // } - // while (usart_flag_get(RS485_PHY, USART_FLAG_TC) == RESET) {} - - // /* 设置温度阈值 */ - // tmp_status = tmp112a_set_thresholds(-10.0f, 50.0f); - // if (tmp_status != TMP112A_STATUS_SUCCESS) { - // const char* error = "TMP112A threshold config failed\r\n"; - // for (uint8_t i = 0; error[i] != '\0'; i++) { - // while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - // usart_data_transmit(RS485_PHY, error[i]); - // } - // while (usart_flag_get(RS485_PHY, USART_FLAG_TC) == RESET) {} - // } - // } else { - // const char* error = "TMP112A init failed: "; - // for (uint8_t i = 0; error[i] != '\0'; i++) { - // while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - // usart_data_transmit(RS485_PHY, error[i]); - // } - // const char* status_str = tmp112a_get_status_string(tmp_status); - // for (uint8_t i = 0; status_str[i] != '\0'; i++) { - // while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - // usart_data_transmit(RS485_PHY, status_str[i]); - // } - // const char* newline = "\r\n"; - // for (uint8_t i = 0; newline[i] != '\0'; i++) { - // while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - // usart_data_transmit(RS485_PHY, newline[i]); - // } - // while (usart_flag_get(RS485_PHY, USART_FLAG_TC) == RESET) {} - // } -} - -/*! - \brief 传感器读取示例 - \param[in] none - \param[out] none - \retval none -*/ -void sensors_read_example(void) { - ldc1612_result_t ldc_result; - // tmp112a_result_t tmp_result; - ldc1612_status_t ldc_status; - // tmp112a_status_t tmp_status; - - /* 读取LDC1612数据 */ - ldc_status = ldc1612_read_channel(LDC1612_CHANNEL_0, &ldc_result); - if (ldc_status == LDC1612_STATUS_SUCCESS) { - if (!ldc_result.error_flag) { - const char* msg = "LDC1612 Data: 0x"; - for (uint8_t i = 0; msg[i] != '\0'; i++) { - while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - usart_data_transmit(RS485_PHY, msg[i]); - } - - /* 发送32位十六进制数据 */ - uint8_t hex_chars[] = "0123456789ABCDEF"; - for (int8_t i = 7; i >= 0; i--) { - uint8_t nibble = (ldc_result.frequency >> (i * 4)) & 0x0F; - while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - usart_data_transmit(RS485_PHY, hex_chars[nibble]); - } - - const char* newline = "\r\n"; - for (uint8_t i = 0; newline[i] != '\0'; i++) { - while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - usart_data_transmit(RS485_PHY, newline[i]); - } - while (usart_flag_get(RS485_PHY, USART_FLAG_TC) == RESET) {} - } else { - const char* error = "LDC1612 Error Code: 0x"; - for (uint8_t i = 0; error[i] != '\0'; i++) { - while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - usart_data_transmit(RS485_PHY, error[i]); - } - - uint8_t hex_chars[] = "0123456789ABCDEF"; - while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - usart_data_transmit(RS485_PHY, hex_chars[(ldc_result.error_code >> 4) & 0x0F]); - while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - usart_data_transmit(RS485_PHY, hex_chars[ldc_result.error_code & 0x0F]); - - const char* newline = "\r\n"; - for (uint8_t i = 0; newline[i] != '\0'; i++) { - while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - usart_data_transmit(RS485_PHY, newline[i]); - } - while (usart_flag_get(RS485_PHY, USART_FLAG_TC) == RESET) {} - } - } - - /* 读取TMP112A数据 */ - // tmp_status = tmp112a_read_temperature(&tmp_result); - // if (tmp_status == TMP112A_STATUS_SUCCESS) { - // const char* msg = "Temperature: "; - // for (uint8_t i = 0; msg[i] != '\0'; i++) { - // while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - // usart_data_transmit(RS485_PHY, msg[i]); - // } - - // /* 简单的温度显示（整数部分） */ - // int16_t temp_int = (int16_t)tmp_result.temperature_c; - // if (temp_int < 0) { - // while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - // usart_data_transmit(RS485_PHY, '-'); - // temp_int = -temp_int; - // } - - // if (temp_int >= 100) { - // while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - // usart_data_transmit(RS485_PHY, '0' + (temp_int / 100)); - // temp_int %= 100; - // } - // if (temp_int >= 10) { - // while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - // usart_data_transmit(RS485_PHY, '0' + (temp_int / 10)); - // temp_int %= 10; - // } - // while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - // usart_data_transmit(RS485_PHY, '0' + temp_int); - - // const char* unit = " C"; - // for (uint8_t i = 0; unit[i] != '\0'; i++) { - // while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - // usart_data_transmit(RS485_PHY, unit[i]); - // } - - // if (tmp_result.alert_flag) { - // const char* alert = " [ALERT]"; - // for (uint8_t i = 0; alert[i] != '\0'; i++) { - // while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - // usart_data_transmit(RS485_PHY, alert[i]); - // } - // } - - // const char* newline = "\r\n"; - // for (uint8_t i = 0; newline[i] != '\0'; i++) { - // while (usart_flag_get(RS485_PHY, USART_FLAG_TBE) == RESET) {} - // usart_data_transmit(RS485_PHY, newline[i]); - // } - // while (usart_flag_get(RS485_PHY, USART_FLAG_TC) == RESET) {} - // } -} diff --git a/i2c_wait.c b/i2c_wait.c deleted file mode 100644 index 83cc1cd..0000000 --- a/i2c_wait.c +++ /dev/null @@ -1,542 +0,0 @@ - - -/* Private function prototypes */ -static i2c_status_t ldc1612_write_register(uint8_t reg_addr, uint16_t value); -static i2c_status_t ldc1612_read_register(uint8_t reg_addr, uint16_t *value); -static uint16_t ldc1612_calculate_clock_dividers(uint8_t channel); -static uint32_t ldc1612_parse_raw_result(uint32_t raw_result); - -/*! - \brief 初始化LDC1612传感器 - \param[in] none - \param[out] none - \retval ldc1612_status_t -*/ -ldc1612_status_t ldc1612_init(void) { - i2c_status_t i2c_status; - uint16_t device_id, manufacturer_id; - - /* 复位传感器 */ - i2c_status = ldc1612_reset(); - if (i2c_status != I2C_STATUS_SUCCESS) { - return LDC1612_STATUS_ERROR; - } - - /* 等待复位完成 */ - delay_ms(10); - - /* 验证设备ID */ - device_id = ldc1612_get_device_id(); - manufacturer_id = ldc1612_get_manufacturer_id(); - - if (device_id != 0x3055 || manufacturer_id != 0x5449) { - return LDC1612_STATUS_ERROR; - } - - return LDC1612_STATUS_SUCCESS; -} - -/*! - \brief 复位LDC1612传感器 - \param[in] none - \param[out] none - \retval ldc1612_status_t -*/ -ldc1612_status_t ldc1612_reset(void) { - i2c_status_t status = ldc1612_write_register(LDC1612_RESET_DEV, LDC1612_RESET_VALUE); - return (status == I2C_STATUS_SUCCESS) ? LDC1612_STATUS_SUCCESS : LDC1612_STATUS_ERROR; -} - -/*! - \brief 配置单通道模式 - \param[in] channel: 通道号 (0或1) - \param[out] none - \retval ldc1612_status_t -*/ -ldc1612_status_t ldc1612_config_single_channel(uint8_t channel) { - i2c_status_t status; - uint16_t clock_dividers; - - if (channel > 1) { - return LDC1612_STATUS_INVALID_PARAM; - } - - /* 进入休眠模式进行配置 */ - status = ldc1612_write_register(LDC1612_CONFIG, LDC1612_SENSOR_CONFIG_SLEEP); - if (status != I2C_STATUS_SUCCESS) return LDC1612_STATUS_ERROR; - - /* 计算并设置时钟分频 */ - clock_dividers = ldc1612_calculate_clock_dividers(channel); - status = ldc1612_write_register(LDC1612_CLOCK_DIVIDERS_CH0 + channel, clock_dividers); - if (status != I2C_STATUS_SUCCESS) return LDC1612_STATUS_ERROR; - - /* 设置稳定时间 */ - status = ldc1612_write_register(LDC1612_SETTLECOUNT_CH0 + channel, LDC1612_SETTLECOUNT_CH0_DEFAULT); - if (status != I2C_STATUS_SUCCESS) return LDC1612_STATUS_ERROR; - - /* 设置转换时间 */ - status = ldc1612_write_register(LDC1612_RCOUNT_CH0 + channel, LDC1612_CONVERSION_TIME_CH0); - if (status != I2C_STATUS_SUCCESS) return LDC1612_STATUS_ERROR; - - /* 设置错误配置 */ - status = ldc1612_write_register(LDC1612_ERROR_CONFIG, LDC1612_ERROR_CONFIG_DEFAULT); - if (status != I2C_STATUS_SUCCESS) return LDC1612_STATUS_ERROR; - - /* 设置驱动电流 */ - status = ldc1612_write_register(LDC1612_DRIVE_CURRENT_CH0 + channel, LDC1612_DRIVE_CURRENT_DEFAULT); - if (status != I2C_STATUS_SUCCESS) return LDC1612_STATUS_ERROR; - - /* 设置MUX配置 */ - status = ldc1612_write_register(LDC1612_MUX_CONFIG, LDC1612_MUX_CONFIG_DEFAULT); - if (status != I2C_STATUS_SUCCESS) return LDC1612_STATUS_ERROR; - - /* 退出休眠模式，开始转换 */ - status = ldc1612_write_register(LDC1612_CONFIG, LDC1612_SENSOR_CONFIG_ACTIVE); - if (status != I2C_STATUS_SUCCESS) return LDC1612_STATUS_ERROR; - - return LDC1612_STATUS_SUCCESS; -} - -/*! - \brief 读取制造商ID - \param[in] none - \param[out] none - \retval uint16_t 制造商ID -*/ -uint16_t ldc1612_get_manufacturer_id(void) { - uint16_t id = 0; - ldc1612_read_register(LDC1612_MANUFACTURER_ID, &id); - return id; -} - -/*! - \brief 读取设备ID - \param[in] none - \param[out] none - \retval uint16_t 设备ID -*/ -uint16_t ldc1612_get_device_id(void) { - uint16_t id = 0; - ldc1612_read_register(LDC1612_DEVICE_ID, &id); - return id; -} - -/*! - \brief 读取通道原始数据 - \param[in] channel: 通道号 - \param[out] result: 结果结构体指针 - \retval ldc1612_status_t -*/ -ldc1612_status_t ldc1612_read_channel(uint8_t channel, ldc1612_result_t *result) { - uint16_t msb, lsb; - uint32_t raw_data; - i2c_status_t status; - - if (channel > 1 || result == NULL) { - return LDC1612_STATUS_INVALID_PARAM; - } - - /* 读取MSB */ - status = ldc1612_read_register(LDC1612_DATA_CH0_MSB + (channel * 2), &msb); - if (status != I2C_STATUS_SUCCESS) return LDC1612_STATUS_ERROR; - - /* 读取LSB */ - status = ldc1612_read_register(LDC1612_DATA_CH0_LSB + (channel * 2), &lsb); - if (status != I2C_STATUS_SUCCESS) return LDC1612_STATUS_ERROR; - - /* 组合32位数据 */ - raw_data = ((uint32_t)msb << 16) | lsb; - - /* 解析结果 */ - result->raw_data = raw_data; - result->frequency = ldc1612_parse_raw_result(raw_data); - - /* 检查错误 */ - if (result->frequency >= 0x10000000) { - result->error_flag = true; - result->error_code = (result->frequency >> 24) & 0xFF; - return LDC1612_STATUS_ERROR; - } else { - result->error_flag = false; - result->error_code = 0; - } - - return LDC1612_STATUS_SUCCESS; -} - -/*! - \brief 设置驱动电流 - \param[in] channel: 通道号 - \param[in] current: 电流值 - \param[out] none - \retval ldc1612_status_t -*/ -ldc1612_status_t ldc1612_set_drive_current(uint8_t channel, uint16_t current) { - if (channel > 1) { - return LDC1612_STATUS_INVALID_PARAM; - } - - i2c_status_t status = ldc1612_write_register(LDC1612_DRIVE_CURRENT_CH0 + channel, current); - return (status == I2C_STATUS_SUCCESS) ? LDC1612_STATUS_SUCCESS : LDC1612_STATUS_ERROR; -} - -/*! - \brief 自动检测驱动电流 - \param[in] channel: 通道号 - \param[out] none - \retval ldc1612_status_t -*/ -ldc1612_status_t ldc1612_auto_detect_drive_current(uint8_t channel) { - uint16_t config_value, drive_current_reg; - uint16_t init_value, drive_current; - i2c_status_t status; - - if (channel > 1) { - return LDC1612_STATUS_INVALID_PARAM; - } - - /* 进入休眠模式 */ - status = ldc1612_write_register(LDC1612_CONFIG, LDC1612_SENSOR_CONFIG_SLEEP); - if (status != I2C_STATUS_SUCCESS) return LDC1612_STATUS_ERROR; - - /* 设置时钟分频 */ - uint16_t clock_dividers = ldc1612_calculate_clock_dividers(channel); - status = ldc1612_write_register(LDC1612_CLOCK_DIVIDERS_CH0 + channel, clock_dividers); - if (status != I2C_STATUS_SUCCESS) return LDC1612_STATUS_ERROR; - - /* 读取当前配置并禁用Rp覆盖 */ - status = ldc1612_read_register(LDC1612_CONFIG, &config_value); - if (status != I2C_STATUS_SUCCESS) return LDC1612_STATUS_ERROR; - - config_value &= ~(1 << 12); // 禁用RP_OVERRIDE_EN - status = ldc1612_write_register(LDC1612_CONFIG, config_value); - if (status != I2C_STATUS_SUCCESS) return LDC1612_STATUS_ERROR; - - /* 启动测量 */ - status = ldc1612_write_register(LDC1612_CONFIG, LDC1612_SENSOR_CONFIG_ACTIVE); - if (status != I2C_STATUS_SUCCESS) return LDC1612_STATUS_ERROR; - - /* 等待至少一次转换完成 */ - delay_ms(10); - - /* 读取初始驱动电流值 */ - status = ldc1612_read_register(LDC1612_DRIVE_CURRENT_CH0 + channel, &drive_current_reg); - if (status != I2C_STATUS_SUCCESS) return LDC1612_STATUS_ERROR; - - init_value = (drive_current_reg >> 6) & 0x1F; - drive_current = (init_value << 11) | 0x0000; - - /* 写入检测到的驱动电流 */ - status = ldc1612_write_register(LDC1612_DRIVE_CURRENT_CH0 + channel, drive_current); - if (status != I2C_STATUS_SUCCESS) return LDC1612_STATUS_ERROR; - - return LDC1612_STATUS_SUCCESS; -} - -/*! - \brief 获取状态字符串 - \param[in] status: 状态码 - \param[out] none - \retval const char* 状态字符串 -*/ -const char* ldc1612_get_status_string(ldc1612_status_t status) { - switch (status) { - case LDC1612_STATUS_SUCCESS: - return "SUCCESS"; - case LDC1612_STATUS_ERROR: - return "ERROR"; - case LDC1612_STATUS_TIMEOUT: - return "TIMEOUT"; - case LDC1612_STATUS_INVALID_PARAM: - return "INVALID_PARAM"; - case LDC1612_STATUS_NO_COIL: - return "NO_COIL"; - case LDC1612_STATUS_UNDER_RANGE: - return "UNDER_RANGE"; - case LDC1612_STATUS_OVER_RANGE: - return "OVER_RANGE"; - default: - return "UNKNOWN"; - } -} - -/* Private Functions Implementation */ - -/*! - \brief 写入寄存器 - \param[in] reg_addr: 寄存器地址 - \param[in] value: 写入值 - \param[out] none - \retval i2c_status_t -*/ -static i2c_status_t ldc1612_write_register(uint8_t reg_addr, uint16_t value) { - uint8_t data[2]; - data[0] = (value >> 8) & 0xFF; - data[1] = value & 0xFF; - - return i2c_write_16bits(LDC1612_ADDR, reg_addr, data); -} - -/*! - \brief 读取寄存器 - \param[in] reg_addr: 寄存器地址 - \param[out] value: 读取值指针 - \retval i2c_status_t -*/ -static i2c_status_t ldc1612_read_register(uint8_t reg_addr, uint16_t *value) { - uint8_t data[2]; - i2c_status_t status; - - if (value == NULL) { - return I2C_STATUS_INVALID_PARAM; - } - - status = i2c_read_16bits(LDC1612_ADDR, reg_addr, data); - if (status == I2C_STATUS_SUCCESS) { - *value = ((uint16_t)data[0] << 8) | data[1]; - } - - return status; -} - -/*! - \brief 计算时钟分频值 - \param[in] channel: 通道号 - \param[out] none - \retval uint16_t 分频值 -*/ -static uint16_t ldc1612_calculate_clock_dividers(uint8_t channel) { - uint16_t fin_div, fref_div; - float sensor_freq; - - /* 计算传感器频率 (MHz) */ - sensor_freq = 1.0f / (2.0f * 3.14159f * sqrtf(LDC1612_COIL_L_UH * LDC1612_COIL_C_PF * 1e-18f)) * 1e-6f; - - /* 计算FIN分频 */ - fin_div = (uint16_t)(sensor_freq / 8.75f + 1); - - /* 计算FREF分频 */ - if (fin_div * 4 < 40) { - fref_div = 2; - } else { - fref_div = 4; - } - - return (fin_div << 12) | fref_div; -} - -/*! - \brief 解析原始结果 - \param[in] raw_result: 原始数据 - \param[out] none - \retval uint32_t 解析后的数据 -*/ -static uint32_t ldc1612_parse_raw_result(uint32_t raw_result) { - uint32_t calibration_value; - uint8_t error_code; - - calibration_value = raw_result & 0x0FFFFFFF; - - /* 检查无线圈错误 */ - if (calibration_value == 0x0FFFFFFF) { - return LDC1612_ERROR_NO_COIL; - } - - error_code = (raw_result >> 24) & 0xFF; - - /* 检查各种错误 */ - if (error_code & 0x80) { - return LDC1612_ERROR_UNDER_RANGE; - } - if (error_code & 0x40) { - return LDC1612_ERROR_OVER_RANGE; - } - if (error_code & 0x20) { - return LDC1612_ERROR_WATCHDOG; - } - if (error_code & 0x10) { - return LDC1612_ERROR_AMPLITUDE; - } - - return calibration_value; -} - - -// ldc1612.h -// -// Created by dell on 24-12-3. -// LDC1612 Inductive Sensor Driver Header -// - -#ifndef LDC1612_H -#define LDC1612_H - -#include "gd32e23x_it.h" -#include "gd32e23x.h" -#include "systick.h" -#include -#include -#include -#include -#include -#include "board_config.h" -#include "i2c.h" - -/******************************************************************************/ -/* LDC1612 I2C Address */ -#define LDC1612_ADDR (0x2B) // 7-bit address - -/* Register Addresses */ -/******************************************************************************/ -#define LDC1612_DATA_CH0_MSB 0x00 -#define LDC1612_DATA_CH0_LSB 0x01 -#define LDC1612_DATA_CH1_MSB 0x02 -#define LDC1612_DATA_CH1_LSB 0x03 -#define LDC1612_RCOUNT_CH0 0x08 -#define LDC1612_RCOUNT_CH1 0x09 -#define LDC1612_OFFSET_CH0 0x0C -#define LDC1612_OFFSET_CH1 0x0D -#define LDC1612_SETTLECOUNT_CH0 0x10 -#define LDC1612_SETTLECOUNT_CH1 0x11 -#define LDC1612_CLOCK_DIVIDERS_CH0 0x14 -#define LDC1612_CLOCK_DIVIDERS_CH1 0x15 -#define LDC1612_STATUS 0x18 -#define LDC1612_ERROR_CONFIG 0x19 -#define LDC1612_CONFIG 0x1A -#define LDC1612_MUX_CONFIG 0x1B -#define LDC1612_RESET_DEV 0x1C -#define LDC1612_DRIVE_CURRENT_CH0 0x1E -#define LDC1612_DRIVE_CURRENT_CH1 0x1F -#define LDC1612_MANUFACTURER_ID 0x7E -#define LDC1612_DEVICE_ID 0x7F - -/* Channel Definitions */ -/******************************************************************************/ -#define LDC1612_CHANNEL_0 0 -#define LDC1612_CHANNEL_1 1 - -/* Configuration Values */ -/******************************************************************************/ -#define LDC1612_CONVERSION_TIME_CH0 0x0546 // 转换时间 -#define LDC1612_DRIVE_CURRENT_DEFAULT 0x9000 // 驱动电流 -#define LDC1612_MUX_CONFIG_DEFAULT 0x020C // 无自动扫描，滤波器带宽3.3MHz -#define LDC1612_SENSOR_CONFIG_ACTIVE 0x1601 // 激活配置 -#define LDC1612_SENSOR_CONFIG_SLEEP 0x2801 // 休眠配置 -#define LDC1612_ERROR_CONFIG_DEFAULT 0x0000 // 错误配置 -#define LDC1612_SETTLECOUNT_CH0_DEFAULT 0x001E // 稳定时间 -#define LDC1612_RESET_VALUE 0x8000 // 复位值 - -/* Coil Parameters */ -/******************************************************************************/ -#define LDC1612_COIL_RP_KOHM 7.2f // 并联电阻 (kΩ) -#define LDC1612_COIL_L_UH 33.0f // 电感值 (μH) -#define LDC1612_COIL_C_PF 150.0f // 电容值 (pF) -#define LDC1612_COIL_Q_FACTOR 35.97f // 品质因数 -#define LDC1612_COIL_FREQ_HZ 2262000 // 谐振频率 (Hz) - -/* Error Codes */ -/******************************************************************************/ -#define LDC1612_ERROR_NONE 0x00000000 -#define LDC1612_ERROR_NO_COIL 0xF0000000 -#define LDC1612_ERROR_UNDER_RANGE 0x80000000 -#define LDC1612_ERROR_OVER_RANGE 0x40000000 -#define LDC1612_ERROR_WATCHDOG 0x20000000 -#define LDC1612_ERROR_AMPLITUDE 0x10000000 - -/* Status Definitions */ -/******************************************************************************/ -typedef enum { - LDC1612_STATUS_SUCCESS = 0, - LDC1612_STATUS_ERROR, - LDC1612_STATUS_TIMEOUT, - LDC1612_STATUS_INVALID_PARAM, - LDC1612_STATUS_NO_COIL, - LDC1612_STATUS_UNDER_RANGE, - LDC1612_STATUS_OVER_RANGE -} ldc1612_status_t; - -typedef struct { - uint32_t raw_data; - uint32_t frequency; - float distance_mm; - bool error_flag; - uint8_t error_code; -} ldc1612_result_t; - -/******************************************************************************/ -/* Function Declarations */ - -/*! - \brief 初始化LDC1612传感器 - \param[in] none - \param[out] none - \retval ldc1612_status_t -*/ -ldc1612_status_t ldc1612_init(void); - -/*! - \brief 复位LDC1612传感器 - \param[in] none - \param[out] none - \retval ldc1612_status_t -*/ -ldc1612_status_t ldc1612_reset(void); - -/*! - \brief 配置单通道模式 - \param[in] channel: 通道号 (0或1) - \param[out] none - \retval ldc1612_status_t -*/ -ldc1612_status_t ldc1612_config_single_channel(uint8_t channel); - -/*! - \brief 读取制造商ID - \param[in] none - \param[out] none - \retval uint16_t 制造商ID -*/ -uint16_t ldc1612_get_manufacturer_id(void); - -/*! - \brief 读取设备ID - \param[in] none - \param[out] none - \retval uint16_t 设备ID -*/ -uint16_t ldc1612_get_device_id(void); - -/*! - \brief 读取通道原始数据 - \param[in] channel: 通道号 - \param[out] result: 结果结构体指针 - \retval ldc1612_status_t -*/ -ldc1612_status_t ldc1612_read_channel(uint8_t channel, ldc1612_result_t *result); - -/*! - \brief 设置驱动电流 - \param[in] channel: 通道号 - \param[in] current: 电流值 - \param[out] none - \retval ldc1612_status_t -*/ -ldc1612_status_t ldc1612_set_drive_current(uint8_t channel, uint16_t current); - -/*! - \brief 自动检测驱动电流 - \param[in] channel: 通道号 - \param[out] none - \retval ldc1612_status_t -*/ -ldc1612_status_t ldc1612_auto_detect_drive_current(uint8_t channel); - -/*! - \brief 获取状态字符串 - \param[in] status: 状态码 - \param[out] none - \retval const char* 状态字符串 -*/ -const char* ldc1612_get_status_string(ldc1612_status_t status); - -#endif //LDC1612_H