diff --git a/CMakeLists.txt b/CMakeLists.txt index 557f4ef..b7e54e5 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -24,9 +24,11 @@ set(TARGET_C_SRC ${CMAKE_SOURCE_DIR}/src/main.c ${CMAKE_SOURCE_DIR}/src/gd32e23x_it.c ${CMAKE_SOURCE_DIR}/src/systick.c - ${CMAKE_SOURCE_DIR}/src/peripheral.c - ${CMAKE_SOURCE_DIR}/src/LDC1612.c - ${CMAKE_SOURCE_DIR}/src/RS485.c + ${CMAKE_SOURCE_DIR}/src/ldc1612.c + ${CMAKE_SOURCE_DIR}/src/tmp112.c + ${CMAKE_SOURCE_DIR}/src/rs485.c + ${CMAKE_SOURCE_DIR}/src/led.c + ${CMAKE_SOURCE_DIR}/src/i2c.c ) add_executable(xlsw_3dp_LDC1612 ${TARGET_C_SRC}) diff --git a/inc/i2c.h b/inc/i2c.h new file mode 100644 index 0000000..d285e4c --- /dev/null +++ b/inc/i2c.h @@ -0,0 +1,51 @@ +// +// Created by dell on 24-12-20. +// + +#ifndef I2C_H +#define I2C_H + +#include "gd32e23x_it.h" +#include "gd32e23x.h" +#include "systick.h" +#include +#include +#include +#include +#include + +#define I2C_SPEED 20000 +#define RCU_GPIO_I2C RCU_GPIOF +#define RCU_I2C RCU_I2C0 +#define I2C_SCL_PORT GPIOF +#define I2C_SCL_PIN GPIO_PIN_1 +#define I2C_SDA_PORT GPIOF +#define I2C_SDA_PIN GPIO_PIN_0 +#define I2C_GPIO_AF GPIO_AF_1 + +#define I2C_TIME_OUT (uint16_t)(10000) +#define I2C_OK 1 +#define I2C_FAIL 0 +#define I2C_END 1 + +typedef enum { + I2C_START = 0, + I2C_SEND_ADDRESS, + I2C_CLEAR_ADDRESS_FLAG, + I2C_TRANSMIT_DATA, + I2C_STOP +} i2c_process_enum; + +void i2c_gpio_config(void); + +void i2c_config(void); + +void i2c_bus_reset(void); + +void i2c_scan(void); + +uint8_t i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[2]); + +uint8_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data); + +#endif //I2C_H diff --git a/inc/LDC1612.h b/inc/ldc1612.h similarity index 73% rename from inc/LDC1612.h rename to inc/ldc1612.h index d919afb..595020d 100644 --- a/inc/LDC1612.h +++ b/inc/ldc1612.h @@ -13,9 +13,9 @@ #include #include #include +#include "i2c.h" #define LDC1612_ADDR (0x2B << 1) -#define TMP112A_ADDR (0x49 << 1) /*Register Rddr*/ /***************************************************************************/ @@ -51,40 +51,12 @@ /******************************************************************************/ -#define COIL_RP_KOM 15.727 -#define COIL_L_UH 33 -#define COIL_C_PF 150 -#define COIL_Q_FACTOR 35.97 +#define COIL_RP_KOM 15.727 +#define COIL_L_UH 33 +#define COIL_C_PF 150 +#define COIL_Q_FACTOR 35.97 -typedef enum { - I2C_START = 0, - I2C_SEND_ADDRESS, - I2C_CLEAR_ADDRESS_FLAG, - I2C_TRANSMIT_DATA, - I2C_STOP -} i2c_process_enum; - -#define I2C_TIME_OUT (uint16_t)(10000) -#define I2C_OK 1 -#define I2C_FAIL 0 -#define I2C_END 1 - -#define I2C_SPEED 20000 -#define RCU_GPIO_I2C RCU_GPIOF -#define RCU_I2C RCU_I2C0 -#define I2C_SCL_PORT GPIOF -#define I2C_SCL_PIN GPIO_PIN_1 -#define I2C_SDA_PORT GPIOF -#define I2C_SDA_PIN GPIO_PIN_0 -#define I2C_GPIO_AF GPIO_AF_1 - -void i2c_gpio_config(void); - -void i2c_config(void); - -void i2c_bus_reset(void); - -void i2c_scan(void); +/******************************************************************************/ void ldc1612_set_conversion_time(uint8_t channel, uint16_t result); @@ -116,10 +88,4 @@ uint32_t ldc1612_get_raw_channel_result(uint8_t channel); uint32_t ldc1612_parse_raw_result(uint32_t raw_result); -uint8_t ldc1612_iic_read_16bits(uint8_t reg_addr, uint8_t *data); - -uint8_t ldc1612_iic_write_16bits(uint8_t reg_addr, uint8_t data[2]); - -uint32_t TMP112A_ReadTemperature(void); - #endif //LDC1612_H diff --git a/inc/led.h b/inc/led.h new file mode 100644 index 0000000..09f9b26 --- /dev/null +++ b/inc/led.h @@ -0,0 +1,26 @@ +// +// Created by dell on 24-12-20. +// + +#ifndef LED_H +#define LED_H + +#include "gd32e23x_it.h" +#include "gd32e23x.h" +#include "systick.h" +#include +#include +#include +#include +#include + +#define LED_PORT GPIOA +#define LED_PIN GPIO_PIN_7 +#define LED_RCU RCU_GPIOA +#define LED_TIMER_RCU RCU_TIMER16 +#define LED_TIMER TIMER16 +#define LED_IRQ TIMER16_IRQn + +void led_config(void); + +#endif //LED_H diff --git a/inc/main.h b/inc/main.h index aa626bc..dd037de 100644 --- a/inc/main.h +++ b/inc/main.h @@ -35,13 +35,4 @@ OF SUCH DAMAGE. #ifndef MAIN_H #define MAIN_H -#define LED_PORT GPIOA -#define LED_PIN GPIO_PIN_7 -#define LED_RCU RCU_GPIOA -#define LED_TIMER_RCU RCU_TIMER16 -#define LED_TIMER TIMER16 -#define LED_IRQ TIMER16_IRQn - -void led_config(void); - #endif /* MAIN_H */ diff --git a/inc/peripheral.h b/inc/peripheral.h deleted file mode 100644 index 31004a4..0000000 --- a/inc/peripheral.h +++ /dev/null @@ -1,11 +0,0 @@ -// -// Created by yelv1 on 24-9-22. -// - -#ifndef PERIPHERAL_H -#define PERIPHERAL_H - -void usart_config(void); -void led_blink_config(void); - -#endif //PERIPHERAL_H diff --git a/inc/RS485.h b/inc/rs485.h similarity index 96% rename from inc/RS485.h rename to inc/rs485.h index 9951949..f1f15e2 100644 --- a/inc/RS485.h +++ b/inc/rs485.h @@ -25,7 +25,7 @@ #define RX_BUFFER_SIZE 64 -void RS485_config(void); +void rs485_config(void); void process_command(char *cmd); #endif //RS485_H \ No newline at end of file diff --git a/inc/tmp112.h b/inc/tmp112.h new file mode 100644 index 0000000..4a09b66 --- /dev/null +++ b/inc/tmp112.h @@ -0,0 +1,22 @@ +// +// Created by dell on 24-12-20. +// + +#ifndef TMP112_H +#define TMP112_H + +#include "gd32e23x_it.h" +#include "gd32e23x.h" +#include "systick.h" +#include +#include +#include +#include +#include +#include "i2c.h" + +#define TMP112A_ADDR (0x49 << 1) + +uint32_t tmp112a_get_raw_channel_result(void); + +#endif //TMP112_H diff --git a/src/gd32e23x_it.c b/src/gd32e23x_it.c index 604c5cf..9f9f172 100644 --- a/src/gd32e23x_it.c +++ b/src/gd32e23x_it.c @@ -35,8 +35,9 @@ OF SUCH DAMAGE. #include "gd32e23x_it.h" #include "main.h" #include "systick.h" -#include "LDC1612.h" -#include "RS485.h" +#include "ldc1612.h" +#include "rs485.h" +#include "led.h" char rx_buffer[RX_BUFFER_SIZE]; uint8_t rx_index = 0; diff --git a/src/LDC1612.c b/src/i2c.c similarity index 61% rename from src/LDC1612.c rename to src/i2c.c index bf05668..c0958f0 100644 --- a/src/LDC1612.c +++ b/src/i2c.c @@ -1,8 +1,8 @@ // -// Created by dell on 24-12-3. +// Created by dell on 24-12-20. // -#include "LDC1612.h" +#include "i2c.h" /*! \brief configure the GPIO ports @@ -37,7 +37,7 @@ void i2c_config(void) { /* configure I2C clock */ i2c_clock_config(I2C0, I2C_SPEED, I2C_DTCY_2); /* configure I2C address */ - i2c_mode_addr_config(I2C0, I2C_I2CMODE_ENABLE, I2C_ADDFORMAT_7BITS, LDC1612_ADDR); + i2c_mode_addr_config(I2C0, I2C_I2CMODE_ENABLE, I2C_ADDFORMAT_7BITS, 0xA0); /* enable I2CX */ i2c_enable(I2C0); /* enable acknowledge */ @@ -137,214 +137,146 @@ void i2c_scan(void) { } } -/** @brief set conversion interval time. - @param channel LDC1612 has total two channels. - @param result The value to be set. - * */ -void ldc1612_set_conversion_time(uint8_t channel, uint16_t result) { - uint8_t data[2] = {0}; - data[0] = (result >> 8) & 0xFF; - data[1] = result & 0xFF; - ldc1612_iic_write_16bits(SET_CONVERSION_TIME_REG_START + channel, data); -} +uint8_t i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[2]) { + uint8_t state = I2C_START; + uint16_t timeout = 0; + uint8_t i2c_timeout_flag = 0; -/** @brief set conversion offset. - @param channel LDC1612 has total two channels. - @param result The value to be set. - * */ -void ldc1612_set_conversion_offset(uint8_t channel, uint16_t result) { - uint8_t data[2] = {0}; - data[0] = (result >> 8) & 0xFF; - data[1] = result & 0xFF; - ldc1612_iic_write_16bits(SET_CONVERSION_OFFSET_REG_START + channel, data); -} + /* enable acknowledge */ + i2c_ack_config(I2C0, I2C_ACK_ENABLE); + while (!(i2c_timeout_flag)) { + switch (state) { + case I2C_START: + /* i2c master sends start signal only when the bus is idle */ + while (i2c_flag_get(I2C0, I2C_FLAG_I2CBSY) && (timeout < I2C_TIME_OUT)) { + timeout++; + } + if (timeout < I2C_TIME_OUT) { + i2c_start_on_bus(I2C0); + timeout = 0; + state = I2C_SEND_ADDRESS; + } else { + timeout = 0; + state = I2C_START; + printf("i2c bus is busy in WRITE BYTE!\n"); + } + break; + case I2C_SEND_ADDRESS: + /* i2c master sends START signal successfully */ + while ((!i2c_flag_get(I2C0, I2C_FLAG_SBSEND)) && (timeout < I2C_TIME_OUT)) { + timeout++; + } + if (timeout < I2C_TIME_OUT) { + i2c_master_addressing(I2C0, slave_addr, I2C_TRANSMITTER); + timeout = 0; + state = I2C_CLEAR_ADDRESS_FLAG; + } else { + timeout = 0; + state = I2C_START; + printf("i2c master sends start signal timeout in WRITE BYTE!\n"); + } + break; + case I2C_CLEAR_ADDRESS_FLAG: + /* address flag set means i2c slave sends ACK */ + while ((!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND)) && (timeout < I2C_TIME_OUT)) { + timeout++; + } + if (timeout < I2C_TIME_OUT) { + i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND); + timeout = 0; + state = I2C_TRANSMIT_DATA; + } else { + timeout = 0; + state = I2C_START; + printf("i2c master clears address flag timeout in WRITE BYTE!\n"); + } + break; + case I2C_TRANSMIT_DATA: + /* wait until the transmit data buffer is empty */ + while ((!i2c_flag_get(I2C0, I2C_FLAG_TBE)) && (timeout < I2C_TIME_OUT)) { + timeout++; + } + if (timeout < I2C_TIME_OUT) { + /* send IIC register address */ + i2c_data_transmit(I2C0, reg_addr); + timeout = 0; + } else { + timeout = 0; + state = I2C_START; + printf("i2c master sends data timeout in WRITE BYTE!\n"); + } -/** @brief Before conversion,wait LC sensor stabilize for a short time. - @param channel LDC1612 has total two channels. - @param result The value to be set. - * */ -void ldc1612_set_LC_stabilize_time(uint8_t channel, uint16_t result) { - uint8_t data[2] = {0}; - data[0] = (result >> 8) & 0xFF; - data[1] = result & 0xFF; - ldc1612_iic_write_16bits(SET_LC_STABILIZE_REG_START + channel, data); -} + /* wait until BTC bit is set */ + while ((!i2c_flag_get(I2C0, I2C_FLAG_BTC)) && (timeout < I2C_TIME_OUT)) { + timeout++; + } + if (timeout < I2C_TIME_OUT) { + /* send register MSB value */ + i2c_data_transmit(I2C0, data[0]); + timeout = 0; + } else { + timeout = 0; + state = I2C_START; + printf("i2c master sends MSB data timeout in WRITE BYTE!\n"); + } -/** @brief set input frequency divide and fref divide. - @param channel LDC1612 has total two channels. - @param FIN_DIV FIN input divide - @param FREF_DIV fref,reference frequency of sensor. - * */ -void ldc1612_set_freq_divide(uint8_t channel) { - uint16_t value; - uint16_t fin_div, freq_div; - float sensor_freq; + /* wait until BTC bit is set */ + while ((!i2c_flag_get(I2C0, I2C_FLAG_BTC)) && (timeout < I2C_TIME_OUT)) { + timeout++; + } + if (timeout < I2C_TIME_OUT) { + /* send register LSB value */ + i2c_data_transmit(I2C0, data[1]); + timeout = 0; + state = I2C_STOP; + } else { + timeout = 0; + state = I2C_START; + printf("i2c master sends LSB data timeout in WRITE BYTE!\n"); + } - sensor_freq = 1 / (2 * 3.14 * sqrt(COIL_L_UH * COIL_C_PF * pow(10, -18))) * pow(10, -6); - - fin_div = (uint16_t) (sensor_freq / 8.75 + 1); - - if (fin_div * 4 < 40) { - freq_div = 2; - } else { - freq_div = 4; + /* wait until BTC bit is set */ + while ((!i2c_flag_get(I2C0, I2C_FLAG_BTC)) && (timeout < I2C_TIME_OUT)) { + timeout++; + } + if (timeout < I2C_TIME_OUT) { + state = I2C_STOP; + timeout = 0; + } else { + timeout = 0; + state = I2C_START; + printf("i2c master sends data timeout in WRITE BYTE!\n"); + } + break; + case I2C_STOP: + /* send a stop condition to I2C bus */ + i2c_stop_on_bus(I2C0); + /* i2c master sends STOP signal successfully */ + while ((I2C_CTL0(I2C0) & I2C_CTL0_STOP) && (timeout < I2C_TIME_OUT)) { + timeout++; + } + if (timeout < I2C_TIME_OUT) { + timeout = 0; + state = I2C_END; + i2c_timeout_flag = I2C_OK; + } else { + timeout = 0; + state = I2C_START; + printf("i2c master sends stop signal timeout in WRITE BYTE!\n"); + } + break; + default: + state = I2C_START; + i2c_timeout_flag = I2C_OK; + timeout = 0; + printf("i2c master sends start signal in WRITE BYTE.\n"); + break; + } } - - value = fin_div << 12; - value |= freq_div; - // printf("\tvalue: 0x%x\r\n", value); - - uint8_t data[2] = {0}; - data[0] = (value >> 8) & 0xFF; - data[1] = value & 0xFF; - // printf("\tFIN_DIV: %d, FREF_DIV: %d\r\n", fin_div, freq_div); - - ldc1612_iic_write_16bits(SET_FREQ_REG_START + channel, data); + return I2C_END; } -/** @brief Error output config. - @param result The value to be set. - * */ -void ldc1612_set_error_config(uint16_t value) { - uint8_t data[2] = {0}; - data[0] = (value >> 8) & 0xFF; - data[1] = value & 0xFF; - - ldc1612_iic_write_16bits(ERROR_CONFIG_REG, data); -} - -/** @brief mux config. - @param result The value to be set. - * */ -void ldc1612_set_mux_config(uint16_t value) { - uint8_t data[2] = {0}; - data[0] = (value >> 8) & 0xFF; - data[1] = value & 0xFF; - - ldc1612_iic_write_16bits(MUL_CONFIG_REG, data); -} - -/** @brief reset sensor. - - * */ -void ldc1612_reset_sensor(void) { - uint8_t data[2] = {0}; - data[0] = 0x80; - data[1] = 0x00; - ldc1612_iic_write_16bits(SENSOR_RESET_REG, data); -} - -/** @brief set drive current of sensor. - @param result The value to be set. - * */ -void ldc1612_set_drive_current(uint8_t channel, uint16_t value) { - uint8_t data[2] = {0}; - data[0] = (value >> 8) & 0xFF; - data[1] = value & 0xFF; - - ldc1612_iic_write_16bits(SET_DRIVER_CURRENT_REG + channel, data); -} - -/** @brief Main config part of sensor.Contains select channel、start conversion、sleep mode、sensor activation mode、INT pin disable .. - @param result The value to be set. - * */ -void ldc1612_set_sensor_config(uint16_t value) { - uint8_t data[2] = {0}; - data[0] = (value >> 8) & 0xFF; - data[1] = value & 0xFF; - - ldc1612_iic_write_16bits(SENSOR_CONFIG_REG, data); -} - -void ldc1612_single_ch0_config(void) { - ldc1612_set_freq_divide(CHANNEL_0); //0x14 --0x1002 - - ldc1612_set_LC_stabilize_time(CHANNEL_0, LC_STABILIZE_TIME_CH0); //0x10 --0x001E - - ldc1612_set_conversion_time(CHANNEL_0, LDC1612_CONVERSION_TIME_CH0); //0x08 --0x0546 - - ldc1612_set_error_config(LDC1612_ERROR_CONFIG); //0x19 --0x0000) - - ldc1612_set_drive_current(CHANNEL_0, LDC1612_DRIVE_CURRENT); //0x1E --0x9000 - - ldc1612_set_mux_config(LDC1612_MUX_CONFIG); //0x1B --0x020C - - ldc1612_set_sensor_config(LDC1612_SENSOR_CONFIG); //0x1A --0x1601 -} - -void ldc1612_iic_get_sensor_infomation(void) { - uint8_t data[2] = {0}; - ldc1612_iic_read_16bits(READ_MANUFACTURER_ID, data); - printf("\tManufacturer: 0x%x\r\n", (data[0] << 8) | data[1]); - ldc1612_iic_read_16bits(READ_DEVICE_ID, data); - printf("\tDevice: 0x%x\r\n", (data[0] << 8) | data[1]); -} - -uint16_t ldc1612_get_manufacturer_id(void) { - uint8_t data[2] = {0}; - ldc1612_iic_read_16bits(READ_MANUFACTURER_ID, data); - return (data[0] << 8) | data[1]; -} - -uint16_t ldc1612_get_deveice_id(void) { - uint8_t data[2] = {0}; - ldc1612_iic_read_16bits(READ_DEVICE_ID, data); - return (data[0] << 8) | data[1]; -} - -/** @brief read the raw channel result from register. - @param channel LDC1612 has total two channels. - @param result raw data - * */ -uint32_t ldc1612_get_raw_channel_result(uint8_t channel) { - uint32_t raw_value = 0; - uint8_t value[2] = {0}; - - ldc1612_iic_read_16bits(CONVERTION_RESULT_REG_START + channel, value); - raw_value |= (uint32_t) ((value[0] << 8) | value[1]) << 16; - ldc1612_iic_read_16bits(CONVERTION_RESULT_REG_START + channel + 1, value); - raw_value |= (uint32_t) ((value[0] << 8) | value[1]); - return ldc1612_parse_raw_result(raw_value); -} - -/** @brief parse the data which read from data register. - @param channel LDC1612 has total two channels. - @param raw_result the raw data which read from data register,it contains error codes and sensor value; - * */ -uint32_t ldc1612_parse_raw_result(uint32_t raw_result) { - uint32_t calibration_value = 0; - uint8_t error_code = 0; - - calibration_value = raw_result & 0x0FFFFFFF; - if (0xFFFFFFF == calibration_value) { - return 0xF0000000; - // ERR_NC-No coil detected!!! - } - - error_code = raw_result >> 24; - - if (error_code & 0x80) { - return 0x80000000; - // ERR_UR-Under range error!!! - } - if (error_code & 0x40) { - return 0x40000000; - // ERR_OR-Over range error!!! - } - if (error_code & 0x20) { - return 0x20000000; - // ERR_WD-Watch dog timeout error!!! - } - if (error_code & 0x10) { - return 0x10000000; - // ERR_AE-error!!! - } - - return raw_result; -} - - -uint8_t ldc1612_iic_read_16bits(uint8_t reg_addr, uint8_t *data) { +uint8_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data) { uint8_t state = I2C_START; uint8_t read_cycle = 0; uint16_t timeout = 0; @@ -373,7 +305,6 @@ uint8_t ldc1612_iic_read_16bits(uint8_t reg_addr, uint8_t *data) { } } /* send the start signal */ - delay_us(5); i2c_start_on_bus(I2C0); timeout = 0; state = I2C_SEND_ADDRESS; @@ -385,10 +316,10 @@ uint8_t ldc1612_iic_read_16bits(uint8_t reg_addr, uint8_t *data) { } if (timeout < I2C_TIME_OUT) { if (RESET == read_cycle) { - i2c_master_addressing(I2C0, LDC1612_ADDR, I2C_TRANSMITTER); + i2c_master_addressing(I2C0, slave_addr, I2C_TRANSMITTER); state = I2C_CLEAR_ADDRESS_FLAG; } else { - i2c_master_addressing(I2C0, LDC1612_ADDR, I2C_RECEIVER); + i2c_master_addressing(I2C0, slave_addr, I2C_RECEIVER); i2c_ack_config(I2C0, I2C_ACK_DISABLE); state = I2C_CLEAR_ADDRESS_FLAG; } @@ -507,252 +438,3 @@ uint8_t ldc1612_iic_read_16bits(uint8_t reg_addr, uint8_t *data) { } return I2C_END; } - -uint8_t ldc1612_iic_write_16bits(uint8_t reg_addr, uint8_t data[2]) { - uint8_t state = I2C_START; - uint16_t timeout = 0; - uint8_t i2c_timeout_flag = 0; - - /* enable acknowledge */ - i2c_ack_config(I2C0, I2C_ACK_ENABLE); - while (!(i2c_timeout_flag)) { - switch (state) { - case I2C_START: - /* i2c master sends start signal only when the bus is idle */ - while (i2c_flag_get(I2C0, I2C_FLAG_I2CBSY) && (timeout < I2C_TIME_OUT)) { - timeout++; - } - if (timeout < I2C_TIME_OUT) { - i2c_start_on_bus(I2C0); - timeout = 0; - state = I2C_SEND_ADDRESS; - } else { - timeout = 0; - state = I2C_START; - printf("i2c bus is busy in WRITE BYTE!\n"); - } - break; - case I2C_SEND_ADDRESS: - /* i2c master sends START signal successfully */ - while ((!i2c_flag_get(I2C0, I2C_FLAG_SBSEND)) && (timeout < I2C_TIME_OUT)) { - timeout++; - } - if (timeout < I2C_TIME_OUT) { - i2c_master_addressing(I2C0, LDC1612_ADDR, I2C_TRANSMITTER); - timeout = 0; - state = I2C_CLEAR_ADDRESS_FLAG; - } else { - timeout = 0; - state = I2C_START; - printf("i2c master sends start signal timeout in WRITE BYTE!\n"); - } - break; - case I2C_CLEAR_ADDRESS_FLAG: - /* address flag set means i2c slave sends ACK */ - while ((!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND)) && (timeout < I2C_TIME_OUT)) { - timeout++; - } - if (timeout < I2C_TIME_OUT) { - i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND); - timeout = 0; - state = I2C_TRANSMIT_DATA; - } else { - timeout = 0; - state = I2C_START; - printf("i2c master clears address flag timeout in WRITE BYTE!\n"); - } - break; - case I2C_TRANSMIT_DATA: - /* wait until the transmit data buffer is empty */ - while ((!i2c_flag_get(I2C0, I2C_FLAG_TBE)) && (timeout < I2C_TIME_OUT)) { - timeout++; - } - if (timeout < I2C_TIME_OUT) { - /* send IIC register address */ - i2c_data_transmit(I2C0, reg_addr); - timeout = 0; - } else { - timeout = 0; - state = I2C_START; - printf("i2c master sends data timeout in WRITE BYTE!\n"); - } - - /* wait until BTC bit is set */ - while ((!i2c_flag_get(I2C0, I2C_FLAG_BTC)) && (timeout < I2C_TIME_OUT)) { - timeout++; - } - if (timeout < I2C_TIME_OUT) { - /* send register MSB value */ - i2c_data_transmit(I2C0, data[0]); - timeout = 0; - } else { - timeout = 0; - state = I2C_START; - printf("i2c master sends MSB data timeout in WRITE BYTE!\n"); - } - - /* wait until BTC bit is set */ - while ((!i2c_flag_get(I2C0, I2C_FLAG_BTC)) && (timeout < I2C_TIME_OUT)) { - timeout++; - } - if (timeout < I2C_TIME_OUT) { - /* send register LSB value */ - i2c_data_transmit(I2C0, data[1]); - timeout = 0; - state = I2C_STOP; - } else { - timeout = 0; - state = I2C_START; - printf("i2c master sends LSB data timeout in WRITE BYTE!\n"); - } - - /* wait until BTC bit is set */ - while ((!i2c_flag_get(I2C0, I2C_FLAG_BTC)) && (timeout < I2C_TIME_OUT)) { - timeout++; - } - if (timeout < I2C_TIME_OUT) { - state = I2C_STOP; - timeout = 0; - } else { - timeout = 0; - state = I2C_START; - printf("i2c master sends data timeout in WRITE BYTE!\n"); - } - break; - case I2C_STOP: - /* send a stop condition to I2C bus */ - i2c_stop_on_bus(I2C0); - /* i2c master sends STOP signal successfully */ - while ((I2C_CTL0(I2C0) & I2C_CTL0_STOP) && (timeout < I2C_TIME_OUT)) { - timeout++; - } - if (timeout < I2C_TIME_OUT) { - timeout = 0; - state = I2C_END; - i2c_timeout_flag = I2C_OK; - } else { - timeout = 0; - state = I2C_START; - printf("i2c master sends stop signal timeout in WRITE BYTE!\n"); - } - break; - default: - state = I2C_START; - i2c_timeout_flag = I2C_OK; - timeout = 0; - printf("i2c master sends start signal in WRITE BYTE.\n"); - break; - } - } - return I2C_END; -} - -uint32_t TMP112A_ReadTemperature(void) { - uint8_t data[2] = {0}; - uint16_t raw_temp = 0; - uint16_t timeout = 0; - uint32_t temperature = 0; - - i2c_ack_config(I2C0, I2C_ACK_ENABLE); - - while (i2c_flag_get(I2C0, I2C_FLAG_I2CBSY) && (timeout < I2C_TIME_OUT)) //判断IIC总线是否忙，发送起始信号 - timeout++; - if (timeout < I2C_TIME_OUT) { - i2c_start_on_bus(I2C0); - timeout = 0; - } else { - printf("err\r\n"); - return -1; // 超时返回错误 - } - - while (!i2c_flag_get(I2C0, I2C_FLAG_SBSEND) && (timeout < I2C_TIME_OUT)) //判断起始位是否发送，设置sensor地址并设置为写 - timeout++; - if (timeout < I2C_TIME_OUT) { - i2c_master_addressing(I2C0, TMP112A_ADDR, I2C_TRANSMITTER); - timeout = 0; - } else { - return -1; // 超时返回错误 - } - - while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND) && (timeout < I2C_TIME_OUT)) - timeout++; - if (timeout < I2C_TIME_OUT) { - i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND); - timeout = 0; - } else { - return -1; // 超时返回错误 - } - - while (!i2c_flag_get(I2C0, I2C_FLAG_TBE) && (timeout < I2C_TIME_OUT)) //判断地址是否发送完成，然后发送寄存器地址 - timeout++; - if (timeout < I2C_TIME_OUT) { - i2c_data_transmit(I2C0, 0x00); - timeout = 0; - // i2c_start_on_bus(I2C0); - } else { - return -1; // 超时返回错误 - } - - while (i2c_flag_get(I2C0, I2C_FLAG_BTC) && (timeout < I2C_TIME_OUT)) //判断发送缓冲器是否为空，为空后（发送完毕）重新发送开始信号 - timeout++; - if (timeout < I2C_TIME_OUT) { - i2c_start_on_bus(I2C0); - timeout = 0; - } else { - return -1; // 超时返回错误 - } - - while (!i2c_flag_get(I2C0, I2C_FLAG_SBSEND) && (timeout < I2C_TIME_OUT)) { - timeout++; - } - if (timeout < I2C_TIME_OUT) { - i2c_master_addressing(I2C0, TMP112A_ADDR, I2C_RECEIVER); - timeout = 0; - } else { - return -1; // 超时返回错误 - } - - while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND) && (timeout < I2C_TIME_OUT)) - timeout++; - if (timeout < I2C_TIME_OUT) { - i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND); - timeout = 0; - } else { - return -1; // 超时返回错误 - } - - // 读取第一个字节的数据 - while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE) && (timeout < I2C_TIME_OUT)) { - timeout++; - } - if (timeout < I2C_TIME_OUT) { - data[0] = i2c_data_receive(I2C0); - timeout = 0; - } else { - return -1; // 超时返回错误 - } - - i2c_ack_config(I2C0, I2C_ACK_DISABLE); // 关闭发送ACK，它会在下一个字节完成后发送NAK - - // 读取第二个字节的数据 - while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE) && (timeout < I2C_TIME_OUT)) { - timeout++; - } - if (timeout < I2C_TIME_OUT) { - data[1] = i2c_data_receive(I2C0); - timeout = 0; - } else { - return -1; // 超时返回错误 - } - - i2c_stop_on_bus(I2C0); - - // printf("data[0]: %x, data[1]: %x\r\n", data[0], data[1]); - raw_temp = ((uint16_t) (data[0] << 4) | (data[1]>>4)); - // printf("raw_temp: %x\r\n", raw_temp); - // printf("raw_temp(dec): %d\r\n", raw_temp); - temperature = raw_temp * 625; - // printf("temperature: %d\r\n", temperature); - - return temperature; -} diff --git a/src/ldc1612.c b/src/ldc1612.c new file mode 100644 index 0000000..f8c4fbf --- /dev/null +++ b/src/ldc1612.c @@ -0,0 +1,215 @@ +// +// Created by dell on 24-12-3. +// + +#include "ldc1612.h" + +/** @brief set conversion interval time. + @param channel LDC1612 has total two channels. + @param result The value to be set. + * */ +void ldc1612_set_conversion_time(uint8_t channel, uint16_t result) { + uint8_t data[2] = {0}; + data[0] = (result >> 8) & 0xFF; + data[1] = result & 0xFF; + i2c_read_16bits(LDC1612_ADDR, SET_CONVERSION_TIME_REG_START + channel, data); +} + +/** @brief set conversion offset. + @param channel LDC1612 has total two channels. + @param result The value to be set. + * */ +void ldc1612_set_conversion_offset(uint8_t channel, uint16_t result) { + uint8_t data[2] = {0}; + data[0] = (result >> 8) & 0xFF; + data[1] = result & 0xFF; + i2c_read_16bits(LDC1612_ADDR, SET_CONVERSION_OFFSET_REG_START + channel, data); +} + +/** @brief Before conversion,wait LC sensor stabilize for a short time. + @param channel LDC1612 has total two channels. + @param result The value to be set. + * */ +void ldc1612_set_LC_stabilize_time(uint8_t channel, uint16_t result) { + uint8_t data[2] = {0}; + data[0] = (result >> 8) & 0xFF; + data[1] = result & 0xFF; + i2c_read_16bits(LDC1612_ADDR, SET_LC_STABILIZE_REG_START + channel, data); +} + +/** @brief set input frequency divide and fref divide. + @param channel LDC1612 has total two channels. + @param FIN_DIV FIN input divide + @param FREF_DIV fref,reference frequency of sensor. + * */ +void ldc1612_set_freq_divide(uint8_t channel) { + uint16_t value; + uint16_t fin_div, freq_div; + float sensor_freq; + + sensor_freq = 1 / (2 * 3.14 * sqrt(COIL_L_UH * COIL_C_PF * pow(10, -18))) * pow(10, -6); + + fin_div = (uint16_t) (sensor_freq / 8.75 + 1); + + if (fin_div * 4 < 40) { + freq_div = 2; + } else { + freq_div = 4; + } + + value = fin_div << 12; + value |= freq_div; + // printf("\tvalue: 0x%x\r\n", value); + + uint8_t data[2] = {0}; + data[0] = (value >> 8) & 0xFF; + data[1] = value & 0xFF; + // printf("\tFIN_DIV: %d, FREF_DIV: %d\r\n", fin_div, freq_div); + + i2c_read_16bits(LDC1612_ADDR, SET_FREQ_REG_START + channel, data); +} + +/** @brief Error output config. + @param result The value to be set. + * */ +void ldc1612_set_error_config(uint16_t value) { + uint8_t data[2] = {0}; + data[0] = (value >> 8) & 0xFF; + data[1] = value & 0xFF; + + i2c_read_16bits(LDC1612_ADDR, ERROR_CONFIG_REG, data); +} + +/** @brief mux config. + @param result The value to be set. + * */ +void ldc1612_set_mux_config(uint16_t value) { + uint8_t data[2] = {0}; + data[0] = (value >> 8) & 0xFF; + data[1] = value & 0xFF; + + i2c_read_16bits(LDC1612_ADDR, MUL_CONFIG_REG, data); +} + +/** @brief reset sensor. + + * */ +void ldc1612_reset_sensor(void) { + uint8_t data[2] = {0}; + data[0] = 0x80; + data[1] = 0x00; + i2c_read_16bits(LDC1612_ADDR, SENSOR_RESET_REG, data); +} + +/** @brief set drive current of sensor. + @param result The value to be set. + * */ +void ldc1612_set_drive_current(uint8_t channel, uint16_t value) { + uint8_t data[2] = {0}; + data[0] = (value >> 8) & 0xFF; + data[1] = value & 0xFF; + + i2c_read_16bits(LDC1612_ADDR, SET_DRIVER_CURRENT_REG + channel, data); +} + +/** @brief Main config part of sensor.Contains select channel、start conversion、sleep mode、sensor activation mode、INT pin disable .. + @param result The value to be set. + * */ +void ldc1612_set_sensor_config(uint16_t value) { + uint8_t data[2] = {0}; + data[0] = (value >> 8) & 0xFF; + data[1] = value & 0xFF; + + i2c_read_16bits(LDC1612_ADDR, SENSOR_CONFIG_REG, data); +} + +void ldc1612_single_ch0_config(void) { + ldc1612_set_freq_divide(CHANNEL_0); //0x14 --0x1002 + + ldc1612_set_LC_stabilize_time(CHANNEL_0, LC_STABILIZE_TIME_CH0); //0x10 --0x001E + + ldc1612_set_conversion_time(CHANNEL_0, LDC1612_CONVERSION_TIME_CH0); //0x08 --0x0546 + + ldc1612_set_error_config(LDC1612_ERROR_CONFIG); //0x19 --0x0000) + + ldc1612_set_drive_current(CHANNEL_0, LDC1612_DRIVE_CURRENT); //0x1E --0x9000 + + ldc1612_set_mux_config(LDC1612_MUX_CONFIG); //0x1B --0x020C + + ldc1612_set_sensor_config(LDC1612_SENSOR_CONFIG); //0x1A --0x1601 +} + +void ldc1612_iic_get_sensor_infomation(void) { + uint8_t data[2] = {0}; + // ldc1612_iic_read_16bits(READ_MANUFACTURER_ID, data); + i2c_read_16bits(LDC1612_ADDR, READ_MANUFACTURER_ID, data); + printf("\tManufacturer: 0x%x\r\n", (data[0] << 8) | data[1]); + // ldc1612_iic_read_16bits(READ_DEVICE_ID, data); + i2c_read_16bits(LDC1612_ADDR, READ_DEVICE_ID, data); + printf("\tDevice: 0x%x\r\n", (data[0] << 8) | data[1]); +} + +uint16_t ldc1612_get_manufacturer_id(void) { + uint8_t data[2] = {0}; + i2c_read_16bits(LDC1612_ADDR, READ_MANUFACTURER_ID, data); + return (data[0] << 8) | data[1]; +} + +uint16_t ldc1612_get_deveice_id(void) { + uint8_t data[2] = {0}; + i2c_read_16bits(LDC1612_ADDR, READ_DEVICE_ID, data); + return (data[0] << 8) | data[1]; +} + +/** @brief read the raw channel result from register. + @param channel LDC1612 has total two channels. + @param result raw data + * */ +uint32_t ldc1612_get_raw_channel_result(uint8_t channel) { + uint32_t raw_value = 0; + uint8_t value[2] = {0}; + + // ldc1612_iic_read_16bits(CONVERTION_RESULT_REG_START + channel, value); + i2c_read_16bits(LDC1612_ADDR, CONVERTION_RESULT_REG_START + channel, value); + raw_value |= (uint32_t) ((value[0] << 8) | value[1]) << 16; + // ldc1612_iic_read_16bits(CONVERTION_RESULT_REG_START + channel + 1, value); + i2c_read_16bits(LDC1612_ADDR, CONVERTION_RESULT_REG_START + channel + 1, value); + raw_value |= (uint32_t) ((value[0] << 8) | value[1]); + return ldc1612_parse_raw_result(raw_value); +} + +/** @brief parse the data which read from data register. + @param channel LDC1612 has total two channels. + @param raw_result the raw data which read from data register,it contains error codes and sensor value; + * */ +uint32_t ldc1612_parse_raw_result(uint32_t raw_result) { + uint32_t calibration_value = 0; + uint8_t error_code = 0; + + calibration_value = raw_result & 0x0FFFFFFF; + if (0xFFFFFFF == calibration_value) { + return 0xF0000000; + // ERR_NC-No coil detected!!! + } + + error_code = raw_result >> 24; + + if (error_code & 0x80) { + return 0x80000000; + // ERR_UR-Under range error!!! + } + if (error_code & 0x40) { + return 0x40000000; + // ERR_OR-Over range error!!! + } + if (error_code & 0x20) { + return 0x20000000; + // ERR_WD-Watch dog timeout error!!! + } + if (error_code & 0x10) { + return 0x10000000; + // ERR_AE-error!!! + } + + return raw_result; +} diff --git a/src/led.c b/src/led.c new file mode 100644 index 0000000..2c0d34a --- /dev/null +++ b/src/led.c @@ -0,0 +1,32 @@ +// +// Created by dell on 24-12-20. +// + +#include "led.h" + +void led_config(void) { + rcu_periph_clock_enable(LED_RCU); + + gpio_mode_set(LED_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, LED_PIN); + gpio_output_options_set(LED_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, LED_PIN); + gpio_bit_write(LED_PORT, LED_PIN, SET); + + rcu_periph_clock_enable(LED_TIMER_RCU); + timer_deinit(LED_TIMER); + + timer_parameter_struct timer_initpara; + timer_struct_para_init(&timer_initpara); + timer_initpara.prescaler = 799; + timer_initpara.alignedmode = TIMER_COUNTER_EDGE; + timer_initpara.counterdirection = TIMER_COUNTER_UP; + timer_initpara.period = 999; + timer_initpara.clockdivision = TIMER_CKDIV_DIV1; + timer_init(LED_TIMER, &timer_initpara); + + timer_auto_reload_shadow_enable(LED_TIMER); + timer_interrupt_enable(LED_TIMER, TIMER_INT_UP); + + timer_enable(LED_TIMER); + + nvic_irq_enable(LED_IRQ, 2); +} diff --git a/src/main.c b/src/main.c index 61854a4..0309fa3 100644 --- a/src/main.c +++ b/src/main.c @@ -9,37 +9,12 @@ #include "gd32e23x.h" #include "systick.h" #include "gd32e23x_libopt.h" -#include "RS485.h" -#include "LDC1612.h" +#include "rs485.h" +#include "ldc1612.h" +#include "led.h" uint32_t g_temperature_uint32; - -void led_config(void) { - rcu_periph_clock_enable(LED_RCU); - - gpio_mode_set(LED_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, LED_PIN); - gpio_output_options_set(LED_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, LED_PIN); - gpio_bit_write(LED_PORT, LED_PIN, SET); - - rcu_periph_clock_enable(LED_TIMER_RCU); - timer_deinit(LED_TIMER); - - timer_parameter_struct timer_initpara; - timer_struct_para_init(&timer_initpara); - timer_initpara.prescaler = 799; - timer_initpara.alignedmode = TIMER_COUNTER_EDGE; - timer_initpara.counterdirection = TIMER_COUNTER_UP; - timer_initpara.period = 999; - timer_initpara.clockdivision = TIMER_CKDIV_DIV1; - timer_init(LED_TIMER, &timer_initpara); - - timer_auto_reload_shadow_enable(LED_TIMER); - timer_interrupt_enable(LED_TIMER, TIMER_INT_UP); - - timer_enable(LED_TIMER); - - nvic_irq_enable(LED_IRQ, 2); -} +uint32_t g_eddy_current_value_uint32; /*! \brief main function @@ -50,23 +25,24 @@ void led_config(void) { int main(void) { /* configure systick */ systick_config(); - RS485_config(); + /* configure USART */ + rs485_config(); + /* configure LED */ led_config(); + /* configure I2C */ i2c_gpio_config(); i2c_config(); - uint32_t raw_value = 0; - - delay_ms(500); ldc1612_iic_get_sensor_infomation(); - + /* configure LDC1612 */ ldc1612_single_ch0_config(); while (1) { delay_ms(500); - raw_value = ldc1612_get_raw_channel_result(CHANNEL_0); - printf("data:%ld\r\n",raw_value); - g_temperature_uint32 = TMP112A_ReadTemperature(); + g_eddy_current_value_uint32 = 0; + g_temperature_uint32 = 0; + g_eddy_current_value_uint32 = ldc1612_get_raw_channel_result(CHANNEL_0); + g_temperature_uint32 = tmp112a_get_raw_channel_result(); } } diff --git a/src/RS485.c b/src/rs485.c similarity index 90% rename from src/RS485.c rename to src/rs485.c index 557f9c9..9348e87 100644 --- a/src/RS485.c +++ b/src/rs485.c @@ -2,11 +2,12 @@ // Created by dell on 24-12-3. // -#include "RS485.h" +#include "rs485.h" extern uint32_t g_temperature_uint32; +extern uint32_t g_eddy_current_value_uint32; -void RS485_config(void) { +void rs485_config(void) { rcu_periph_clock_enable(RS485_GPIO_RCU); rcu_periph_clock_enable(RS485_RCU); @@ -35,7 +36,8 @@ void RS485_config(void) { void process_command(char *cmd) { if (strncmp(cmd, "M1", 2) == 0) { - printf("M1 -=-=- OK!\r\n"); + // printf("M1 -=-=- OK!\r\n"); + printf("EddyCurrent: %lu\r\n", g_eddy_current_value_uint32); } else if (strncmp(cmd, "M2", 2) == 0) { // printf("M2 -=-=- OK!\r\n"); printf("Temperature: %lu\r\n", g_temperature_uint32); diff --git a/src/tmp112.c b/src/tmp112.c new file mode 100644 index 0000000..713bc46 --- /dev/null +++ b/src/tmp112.c @@ -0,0 +1,15 @@ +// +// Created by dell on 24-12-20. +// + +#include "tmp112.h" + +uint32_t tmp112a_get_raw_channel_result(void) { + uint16_t raw_value = 0; + uint8_t value[2] = {0}; + + // ldc1612_iic_read_16bits(CONVERTION_RESULT_REG_START + channel, value); + i2c_read_16bits(TMP112A_ADDR, 0x00, value); + raw_value = ((uint16_t) (value[0] << 4) | (value[1]>>4)); + return (raw_value * 625); +}