generated from hulk/gd32e23x_template
完成协议解析与错误报告,并在vofa上创建好各个测试预设
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26
inc/rs485.h
26
inc/rs485.h
@ -24,19 +24,29 @@
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#define RS485_EN_PIN GPIO_PIN_1
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#define RX_BUFFER_SIZE 64
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#define RX_BUFFER_SIZE 32
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typedef enum {
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#define LDC1612_PACKAGE_HEADER 0xD5
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#define LDC1612_BOARD_TYPE 0x03
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#define LDC1612_PACKAGE_LENGTH 0x02
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typedef enum
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{
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VALIDATION_SUCCESS = 0,
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VALIDATION_CRC_ERROR = 1
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VALIDATION_CRC_ERROR = 1,
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VALIDATION_HEADER_ERROR = 2,
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VALIDATION_TYPE_ERROR = 4,
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VALIDATION_LENGTH_ERROR = 8
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} validation_result_t;
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void rs485_config(void);
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void process_command(uint8_t *cmd, size_t length);
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uint8_t calculate_crc(uint8_t data[], size_t data_length);
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validation_result_t validate_package_header(uint8_t *data);
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validation_result_t validate_package_type(uint8_t *data);
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void process_command(uint8_t* cmd, size_t length);
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uint8_t calculate_crc(uint8_t data[], uint8_t data_length);
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validation_result_t validate_package_crc(uint8_t* data, uint8_t data_length);
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validation_result_t validate_package_header(uint8_t* data);
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validation_result_t validate_package_type(uint8_t* data);
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validation_result_t validate_data_length(uint8_t* data);
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void eddy_current_value_report(void);
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void tempture_value_report(void);
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#endif //RS485_H
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#endif //RS485_H
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@ -129,21 +129,14 @@ void USART0_IRQHandler(void) {
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if (rx_index < RX_BUFFER_SIZE - 1) {
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rx_buffer[rx_index++] = received_data;
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}
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}
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// 检查是否接收到换行符,表示指令结束
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if (received_data == '\n') {
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if (calculate_crc(rx_buffer, rx_index - 2) == rx_buffer[rx_index - 2]) {
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// printf("CRC check success\r\n");
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// rx_buffer[rx_index] = '\0'; // 添加字符串结束符
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process_command(rx_buffer, rx_index); // 处理指令
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rx_index = 0; // 重置缓冲区索引
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} else {
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// printf("CRC check failed\r\n");
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printf("%c%c%c%c\r\n", 0xB5, 0xF2, 0x00, 0xF2);
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rx_index = 0; // 重置缓冲区索引
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return;
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}
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if (RESET != usart_interrupt_flag_get(USART0, USART_INT_FLAG_IDLE)) {
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usart_interrupt_flag_clear(USART0, USART_INT_FLAG_IDLE);
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}
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process_command(rx_buffer, rx_index); // 处理指令
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rx_index = 0; // 重置缓冲区索引
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return;
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}
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}
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@ -25,6 +25,7 @@ uint32_t g_eddy_current_value_uint32;
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\retval none
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*/
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int main(void) {
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setbuf(stdout, NULL);
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/* configure systick */
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systick_config();
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/* configure USART */
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@ -35,7 +36,7 @@ int main(void) {
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i2c_gpio_config();
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i2c_config();
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ldc1612_iic_get_sensor_infomation();
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// ldc1612_iic_get_sensor_infomation();
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/* configure LDC1612 */
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ldc1612_single_ch0_config();
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@ -1,63 +0,0 @@
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//
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// Created by yelv1 on 24-9-22.
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//
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#include "peripheral.h"
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#include "gd32e23x.h"
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void usart_config(void)
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{
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rcu_periph_clock_enable(RCU_GPIOA);
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rcu_periph_clock_enable(RCU_USART0);
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gpio_af_set(GPIOA, GPIO_AF_1, GPIO_PIN_3);
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gpio_af_set(GPIOA, GPIO_AF_1, GPIO_PIN_2);
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gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_PULLUP, GPIO_PIN_3);
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gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_10MHZ, GPIO_PIN_3);
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gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_PULLUP, GPIO_PIN_2);
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gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_10MHZ, GPIO_PIN_2);
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usart_deinit(USART0);
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usart_baudrate_set(USART0, 115200U);
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usart_receive_config(USART0, USART_RECEIVE_ENABLE);
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usart_transmit_config(USART0, USART_TRANSMIT_ENABLE);
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usart_enable(USART0);
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gpio_mode_set(GPIOA, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO_PIN_4);
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gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_4);
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gpio_bit_write(GPIOA, GPIO_PIN_4, SET);
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}
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/*!
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\brief led blink configuration
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\param[in] none
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\param[out] none
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\retval none
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*/
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void led_blink_config(void)
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{
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rcu_periph_clock_enable(RCU_GPIOB);
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gpio_mode_set(GPIOA, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO_PIN_1);
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gpio_output_options_set(GPIOB, GPIO_OTYPE_OD, GPIO_OSPEED_50MHZ, GPIO_PIN_1);
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gpio_bit_write(GPIOB, GPIO_PIN_1, SET);
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rcu_periph_clock_enable(RCU_TIMER13);
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timer_deinit(RCU_TIMER13);
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timer_parameter_struct timer_initpara;
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timer_struct_para_init(&timer_initpara);
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timer_initpara.prescaler =7199;
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timer_initpara.alignedmode =TIMER_COUNTER_EDGE;
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timer_initpara.counterdirection =TIMER_COUNTER_UP;
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timer_initpara.period =999;
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timer_initpara.clockdivision =TIMER_CKDIV_DIV1;
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timer_init(TIMER13, &timer_initpara);
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timer_auto_reload_shadow_enable(TIMER13);
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timer_interrupt_enable(TIMER13, TIMER_INT_UP);
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nvic_irq_enable(TIMER13_IRQn, 0);
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timer_enable(TIMER13);
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}
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130
src/rs485.c
130
src/rs485.c
@ -10,7 +10,8 @@ extern uint32_t g_eddy_current_value_uint32;
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uint8_t package_header[3] = {0xB5, 0xF0, 0x04};
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uint8_t package_data[4] = {0};
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void rs485_config(void) {
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void rs485_config(void)
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{
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rcu_periph_clock_enable(RS485_GPIO_RCU);
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rcu_periph_clock_enable(RS485_RCU);
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@ -35,64 +36,120 @@ void rs485_config(void) {
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nvic_irq_enable(USART0_IRQn, 0);
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usart_interrupt_enable(RS485_PHY, USART_INT_RBNE);
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usart_interrupt_enable(RS485_PHY, USART_INT_IDLE);
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}
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void process_command(uint8_t *cmd, size_t length) {
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void process_command(uint8_t* cmd, size_t length)
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{
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char combined_str[3];
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validation_result_t status = VALIDATION_SUCCESS;
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if (cmd[0] == 0xD5) {
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if (cmd[1] == 0x03) {
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if (cmd[2] == 0x02) {
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sprintf(combined_str, "%c%c", cmd[3], cmd[4]);
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if (strcmp(combined_str, "M1") == 0) {
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status = (validate_package_header(cmd) | validate_package_type(cmd) | validate_data_length(cmd) | validate_package_crc(cmd, length));
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eddy_current_value_report();
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} else if (strcmp(combined_str, "M2") == 0) {
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tempture_value_report();
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} else {
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printf("%c%c%c%c%c%c%c\r\n", 0xB5, 0xF0, 0x03, 0x65, 0x72, 0x72, 0x3C);
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return;
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}
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} else {
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printf("%c%c%c%c\r\n", 0xB5, 0xF1, 0x00, 0xF1);
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}
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} else {
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printf("%c%c%c%c\r\n", 0xB5, 0xF5, 0x00, 0xF5);
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switch (status)
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{
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case VALIDATION_SUCCESS:
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// printf("%d", length);
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sprintf(combined_str, "%c%c", cmd[3], cmd[4]);
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if (strcmp(combined_str, "M1") == 0)
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{
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eddy_current_value_report();
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}
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} else {
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printf("%c%c%c%c\r\n", 0xB5, 0xF3, 0x00, 0xF3);
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else if (strcmp(combined_str, "M2") == 0)
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{
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tempture_value_report();
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}
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else
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{
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printf("%c%c%c%c%c%c%c", 0xB5, 0xF0, 0x03, 0x65, 0x72, 0x72, 0x3C);
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return;
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}
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break;
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case VALIDATION_CRC_ERROR:
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printf("%c%c%c%c%c%c%c", 0xB5, 0xF0, 0x03, 0x65, 0x72, 0x72, 0x3F);
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break;
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case VALIDATION_HEADER_ERROR:
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printf("%c%c%c%c%c%c%c", 0xB5, 0xF3, 0x03, 0x65, 0x72, 0x72, 0x3F);
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break;
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case VALIDATION_TYPE_ERROR:
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printf("%c%c%c%c%c%c%c", 0xB5, 0xF4, 0x03, 0x65, 0x72, 0x72, 0x3F);
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break;
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case VALIDATION_LENGTH_ERROR:
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printf("%c%c%c%c%c%c%c", 0xB5, 0xF2, 0x03, 0x65, 0x72, 0x72, 0x3F);
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break;
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default:
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break;
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}
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}
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uint8_t calculate_crc(uint8_t data[], size_t data_length) {
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uint8_t calculate_crc(uint8_t data[], uint8_t data_length)
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{
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uint8_t crc = 0;
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for (size_t i = 1; i < data_length; i++) {
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// printf("%d", data_length);
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for (uint8_t i = 1; i < data_length - 1; i++)
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{
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crc += data[i];
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}
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return (uint8_t)(crc & 0xFF);
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}
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validation_result_t validate_package_header(uint8_t *data) {
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if (data[0] == 0xD5) {
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validation_result_t validate_package_crc(uint8_t* data, uint8_t data_length)
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{
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if (data[data_length - 1] == calculate_crc(data, data_length) && data_length == 3 + data[2] + 1)
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{
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return VALIDATION_SUCCESS;
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} else {
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printf("%c%c%c%c\r\n", 0xB5, 0xF3, 0x00, 0xF3);
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}
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else
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{
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// printf("%c%c%c%c", 0xB5, 0xF3, 0x00, 0xF3);
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return VALIDATION_CRC_ERROR;
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}
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}
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validation_result_t validate_package_type(uint8_t *data) {
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if (data[1] == 0x03) {
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validation_result_t validate_package_header(uint8_t* data)
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{
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if (data[0] == LDC1612_PACKAGE_HEADER)
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{
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return VALIDATION_SUCCESS;
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} else {
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printf("%c%c%c%c\r\n", 0xB5, 0xF3, 0x00, 0xF3);
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return VALIDATION_CRC_ERROR;
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}
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else
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{
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// printf("%c%c%c%c", 0xB5, 0xF3, 0x00, 0xF3);
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return VALIDATION_HEADER_ERROR;
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}
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}
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void eddy_current_value_report(void) {
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validation_result_t validate_package_type(uint8_t* data)
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{
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if (data[1] == LDC1612_BOARD_TYPE)
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{
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return VALIDATION_SUCCESS;
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}
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else
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{
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// printf("%c%c%c%c", 0xB5, 0xF3, 0x00, 0xF3);
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return VALIDATION_TYPE_ERROR;
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}
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}
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validation_result_t validate_data_length(uint8_t* data)
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{
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if (data[2] == LDC1612_PACKAGE_LENGTH)
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{
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return VALIDATION_SUCCESS;
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}
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else
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{
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// printf("%c%c%c%c", 0xB5, 0xF3, 0x00, 0xF3);
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return VALIDATION_LENGTH_ERROR;
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}
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}
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void eddy_current_value_report(void)
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{
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// package_header[1] = 0xF0; //eddy current
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package_data[0] = (g_eddy_current_value_uint32 >> 24) & 0xFF;
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@ -107,10 +164,11 @@ void eddy_current_value_report(void) {
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// printf("EddyCurrent: %x\r\n", g_eddy_current_value_uint32);
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printf("%c%c%c", package_header[0], package_header[1], package_header[2]);
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printf("%c%c%c%c", package_data[0], package_data[1], package_data[2], package_data[3]);
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printf("%c\r\n", calculate_crc(combined_data, 7));
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printf("%c", calculate_crc(combined_data, 7));
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}
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void tempture_value_report(void) {
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void tempture_value_report(void)
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{
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// package_header[1] = 0xF1; //temperature
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package_data[0] = (g_temperature_uint32 >> 24) & 0xFF;
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@ -125,5 +183,5 @@ void tempture_value_report(void) {
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// printf("Temperature: %x\r\n", g_temperature_uint32);
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printf("%c%c%c", package_header[0], package_header[1], package_header[2]);
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printf("%c%c%c%c", package_data[0], package_data[1], package_data[2], package_data[3]);
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printf("%c\r\n", calculate_crc(combined_data, 7));
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printf("%c", calculate_crc(combined_data, 7));
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}
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