inc/i2c.h

@@ -8,7 +8,6 @@
 #include "gd32e23x_it.h"
 #include "gd32e23x.h"
 #include "systick.h"
-#include "main.h"
 #include <stdbool.h>
 #include <string.h>
 #include <stdio.h>

inc/main.h

@@ -35,6 +35,4 @@ OF SUCH DAMAGE.
 #ifndef MAIN_H
 #define MAIN_H
 
-// #define DEBUG_VERBOES
-
 #endif /* MAIN_H */

inc/rs485.h

@@ -24,7 +24,7 @@
 
 #define RS485_EN_PIN         GPIO_PIN_1
 
-#define RX_BUFFER_SIZE 32
+#define RX_BUFFER_SIZE 64
 
 typedef enum {
     VALIDATION_SUCCESS = 0,
@@ -32,17 +32,11 @@ typedef enum {
 } validation_result_t;
 
 void rs485_config(void);
-
 void process_command(uint8_t *cmd, size_t length);
-
 uint8_t calculate_crc(uint8_t data[], size_t data_length);
-validation_result_t validate_package_crc(uint8_t *data, size_t data_length);
 validation_result_t validate_package_header(uint8_t *data);
-
 validation_result_t validate_package_type(uint8_t *data);
-
 void eddy_current_value_report(void);
-
 void tempture_value_report(void);
 
 #endif //RS485_H

src/gd32e23x_it.c

@@ -121,7 +121,7 @@ void USART0_IRQHandler(void) {
     static uint8_t rx_index = 0;
     static uint8_t rx_buffer[RX_BUFFER_SIZE];
 
-    if (usart_interrupt_flag_get(USART0, USART_INT_FLAG_RBNE) != RESET) {
+    if (RESET != usart_interrupt_flag_get(USART0, USART_INT_FLAG_RBNE)) {
         usart_interrupt_flag_clear(USART0, USART_INT_FLAG_RBNE);
         uint8_t received_data = (uint8_t) usart_data_receive(USART0);
 
@@ -129,23 +129,21 @@ void USART0_IRQHandler(void) {
         if (rx_index < RX_BUFFER_SIZE - 1) {
             rx_buffer[rx_index++] = received_data;
         }
-    }
 
-    if (usart_interrupt_flag_get(USART0, USART_INT_FLAG_IDLE) != RESET) {
-        usart_interrupt_flag_clear(USART0, USART_INT_FLAG_IDLE);
-        // printf("%c%c%c%c%c%c", 0xB5, 0xF0, 0x02, 0x6F, 0x6B, 0xCC);
-        // printf("%d", rx_index);
-        // printf("%c", rx_buffer[0]);
-        // uint8_t crc = calculate_crc(rx_buffer, rx_index - 2);
-        // printf("%d", crc);
-        // if (calculate_crc(rx_buffer, rx_index - 1) == rx_buffer[rx_index - 1])
-        //     // printf("CRC check success");
-        //     // rx_buffer[rx_index] = '\0'; // 添加字符串结束符
-        process_command(rx_buffer, rx_index); // 处理指令
-        // } else {
-        //     // printf("CRC check failed");
-        //     printf("%c%c%c%c", 0xB5, 0xF2, 0x00, 0xF2);
-        //     // fflush(stdout);
-        // }
+        // 检查是否接收到换行符，表示指令结束
+        if (received_data == '\n') {
+            if (calculate_crc(rx_buffer, rx_index - 2) == rx_buffer[rx_index - 2]) {
+                // printf("CRC check success\r\n");
+                // rx_buffer[rx_index] = '\0'; // 添加字符串结束符
+                process_command(rx_buffer, rx_index); // 处理指令
+                rx_index = 0; // 重置缓冲区索引
+            } else {
+                // printf("CRC check failed\r\n");
+                printf("%c%c%c%c\r\n", 0xB5, 0xF2, 0x00, 0xF2);
+                rx_index = 0; // 重置缓冲区索引
+                return;
+            }
+
+        }
     }
 }

src/i2c.c

@@ -158,9 +158,7 @@ uint8_t i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[2])
                 } else {
                     timeout = 0;
                     state = I2C_START;
-#ifdef DEBUG_VERBOES
                     printf("i2c bus is busy in WRITE BYTE!\n");
-#endif
                 }
                 break;
             case I2C_SEND_ADDRESS:
@@ -175,9 +173,7 @@ uint8_t i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[2])
                 } else {
                     timeout = 0;
                     state = I2C_START;
-#ifdef DEBUG_VERBOES
                     printf("i2c master sends start signal timeout in WRITE BYTE!\n");
-#endif
                 }
                 break;
             case I2C_CLEAR_ADDRESS_FLAG:
@@ -192,9 +188,7 @@ uint8_t i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[2])
                 } else {
                     timeout = 0;
                     state = I2C_START;
-#ifdef DEBUG_VERBOES
                     printf("i2c master clears address flag timeout in WRITE BYTE!\n");
-#endif
                 }
                 break;
             case I2C_TRANSMIT_DATA:
@@ -209,9 +203,7 @@ uint8_t i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[2])
                 } else {
                     timeout = 0;
                     state = I2C_START;
-#ifdef DEBUG_VERBOES
                     printf("i2c master sends data timeout in WRITE BYTE!\n");
-#endif
                 }
 
             /* wait until BTC bit is set */
@@ -225,9 +217,7 @@ uint8_t i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[2])
                 } else {
                     timeout = 0;
                     state = I2C_START;
-#ifdef DEBUG_VERBOES
                     printf("i2c master sends MSB data timeout in WRITE BYTE!\n");
-#endif
                 }
 
             /* wait until BTC bit is set */
@@ -242,9 +232,7 @@ uint8_t i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[2])
                 } else {
                     timeout = 0;
                     state = I2C_START;
-#ifdef DEBUG_VERBOES
                     printf("i2c master sends LSB data timeout in WRITE BYTE!\n");
-#endif
                 }
 
             /* wait until BTC bit is set */
@@ -257,9 +245,7 @@ uint8_t i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[2])
                 } else {
                     timeout = 0;
                     state = I2C_START;
-#ifdef DEBUG_VERBOES
                     printf("i2c master sends data timeout in WRITE BYTE!\n");
-#endif
                 }
                 break;
             case I2C_STOP:
@@ -276,18 +262,14 @@ uint8_t i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[2])
                 } else {
                     timeout = 0;
                     state = I2C_START;
-#ifdef DEBUG_VERBOES
                     printf("i2c master sends stop signal timeout in WRITE BYTE!\n");
-#endif
                 }
                 break;
             default:
                 state = I2C_START;
                 i2c_timeout_flag = I2C_OK;
                 timeout = 0;
-#ifdef DEBUG_VERBOES
                 printf("i2c master sends start signal in WRITE BYTE.\n");
-#endif
                 break;
         }
     }
@@ -319,9 +301,7 @@ uint8_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data) {
                         // i2c_bus_reset();
                         timeout = 0;
                         state = I2C_START;
-#ifdef DEBUG_VERBOES
                         printf("i2c bus is busy in READ!\n");
-#endif
                     }
                 }
             /* send the start signal */
@@ -348,9 +328,7 @@ uint8_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data) {
                     timeout = 0;
                     state = I2C_START;
                     read_cycle = RESET;
-#ifdef DEBUG_VERBOES
                     printf("i2c master sends start signal timeout in READ!\n");
-#endif
                 }
                 break;
             case I2C_CLEAR_ADDRESS_FLAG:
@@ -370,9 +348,7 @@ uint8_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data) {
                     timeout = 0;
                     state = I2C_START;
                     read_cycle = RESET;
-#ifdef DEBUG_VERBOES
                     printf("i2c master clears address flag timeout in READ!\n");
-#endif
                 }
                 break;
             case I2C_TRANSMIT_DATA:
@@ -389,9 +365,7 @@ uint8_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data) {
                         timeout = 0;
                         state = I2C_START;
                         read_cycle = RESET;
-#ifdef DEBUG_VERBOES
                         printf("i2c master wait data buffer is empty timeout in READ!\n");
-#endif
                     }
                     /* wait until BTC bit is set */
                     while ((!i2c_flag_get(I2C0, I2C_FLAG_BTC)) && (timeout < I2C_TIME_OUT)) {
@@ -405,9 +379,7 @@ uint8_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data) {
                         timeout = 0;
                         state = I2C_START;
                         read_cycle = RESET;
-#ifdef DEBUG_VERBOES
                         printf("i2c master sends register address timeout in READ!\n");
-#endif
                     }
                 } else {
                     while (number_of_byte) {
@@ -432,9 +404,7 @@ uint8_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data) {
                             timeout = 0;
                             state = I2C_START;
                             read_cycle = 0;
-#ifdef DEBUG_VERBOES
                             printf("i2c master sends data timeout in READ!\n");
-#endif
                         }
                     }
                     timeout = 0;
@@ -454,9 +424,7 @@ uint8_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data) {
                     timeout = 0;
                     state = I2C_START;
                     read_cycle = 0;
-#ifdef DEBUG_VERBOES
                     printf("i2c master sends stop signal timeout in READ!\n");
-#endif
                 }
                 break;
             default:
@@ -464,9 +432,7 @@ uint8_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data) {
                 read_cycle = 0;
                 i2c_timeout_flag = I2C_OK;
                 timeout = 0;
-#ifdef DEBUG_VERBOES
                 printf("i2c master sends start signal in READ.\n");
-#endif
                 break;
         }
     }

src/ldc1612.c

@@ -143,10 +143,10 @@ 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", (data[0] << 8) | data[1]);
+    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", (data[0] << 8) | data[1]);
+    printf("\tDevice: 0x%x\r\n", (data[0] << 8) | data[1]);
 }
 
 uint16_t ldc1612_get_manufacturer_id(void) {

src/main.c

@@ -25,7 +25,6 @@ uint32_t g_eddy_current_value_uint32;
     \retval     none
 */
 int main(void) {
-    setbuf(stdout, NULL);
     /* configure systick */
     systick_config();
     /* configure USART */
@@ -36,7 +35,7 @@ int main(void) {
     i2c_gpio_config();
     i2c_config();
 
-    // ldc1612_iic_get_sensor_infomation();
+    ldc1612_iic_get_sensor_infomation();
     /* configure LDC1612 */
     ldc1612_single_ch0_config();
 
@@ -46,7 +45,6 @@ int main(void) {
         g_temperature_uint32 = 0;
         g_eddy_current_value_uint32 = ldc1612_get_raw_channel_result(CHANNEL_0);
         g_temperature_uint32 = tmp112a_get_raw_channel_result();
-        // printf("1");
     }
 }
 

src/rs485.c

@@ -33,69 +33,52 @@ void rs485_config(void) {
 
     usart_enable(RS485_PHY);
 
-    usart_interrupt_enable(RS485_PHY, USART_INT_RBNE);
-    usart_interrupt_enable(RS485_PHY, USART_INT_IDLE);
-
     nvic_irq_enable(USART0_IRQn, 0);
+    usart_interrupt_enable(RS485_PHY, USART_INT_RBNE);
 }
 
 void process_command(uint8_t *cmd, size_t length) {
     char combined_str[3];
 
-    // printf("%d", length);
+    if (cmd[0] == 0xD5) {
+        if (cmd[1] == 0x03) {
+            if (cmd[2] == 0x02) {
+                sprintf(combined_str, "%c%c", cmd[3], cmd[4]);
+                if (strcmp(combined_str, "M1") == 0) {
 
-    // validate_package_crc(cmd, length);
-    // if (calculate_crc(cmd, length - 1) != cmd[length - 1]) {
-    //     printf("%c%c%c%c", 0xB5, 0xF3, 0x00, 0xF3);
-    // }
-
-    // if (cmd[0] == 0xD5) {
-    //     if (cmd[1] == 0x03) {
-    //         if (cmd[2] == 0x02) {
-    sprintf(combined_str, "%c%c", cmd[3], cmd[4]);
-    if (strcmp(combined_str, "M1") == 0) {
-        eddy_current_value_report();
-    } else if (strcmp(combined_str, "M2") == 0) {
-        tempture_value_report();
+                    eddy_current_value_report();
+                } else if (strcmp(combined_str, "M2") == 0) {
+                    tempture_value_report();
+                } else {
+                    printf("%c%c%c%c%c%c%c\r\n", 0xB5, 0xF0, 0x03, 0x65, 0x72, 0x72, 0x3C);
+                    return;
+                }
+            } else {
+                printf("%c%c%c%c\r\n", 0xB5, 0xF1, 0x00, 0xF1);
+            }
+        } else {
+            printf("%c%c%c%c\r\n", 0xB5, 0xF5, 0x00, 0xF5);
+        }
     } else {
-        printf("%c%c%c%c%c%c%c", 0xB5, 0xF0, 0x03, 0x65, 0x72, 0x72, 0x3C);
-        // return;
+        printf("%c%c%c%c\r\n", 0xB5, 0xF3, 0x00, 0xF3);
     }
-    //         } else {
-    //             printf("%c%c%c%c", 0xB5, 0xF1, 0x00, 0xF1);
-    //         }
-    //     } else {
-    //         printf("%c%c%c%c", 0xB5, 0xF5, 0x00, 0xF5);
-    //     }
-    // }
 }
 
 uint8_t calculate_crc(uint8_t data[], size_t data_length) {
     uint8_t crc = 0;
 
-    for (size_t i = 1; i < data_length - 1; i++) {
+    for (size_t i = 1; i < data_length; i++) {
         crc += data[i];
     }
 
-    return (uint8_t) (crc & 0xFF);
-}
-
-validation_result_t validate_package_crc(uint8_t *data, size_t data_length) {
-    uint8_t crc = calculate_crc(data, data_length - 2);
-
-    if (crc == data[data_length]) {
-        return VALIDATION_SUCCESS;
-    } else {
-        printf("%c%c%c%c", 0xB5, 0xF3, 0x01, 0xF3);
-        return VALIDATION_CRC_ERROR;
-    }
+    return (uint8_t)(crc & 0xFF);
 }
 
 validation_result_t validate_package_header(uint8_t *data) {
     if (data[0] == 0xD5) {
         return VALIDATION_SUCCESS;
     } else {
-        printf("%c%c%c%c", 0xB5, 0xF3, 0x02, 0xF3);
+        printf("%c%c%c%c\r\n", 0xB5, 0xF3, 0x00, 0xF3);
         return VALIDATION_CRC_ERROR;
     }
 }
@@ -104,7 +87,7 @@ validation_result_t validate_package_type(uint8_t *data) {
     if (data[1] == 0x03) {
         return VALIDATION_SUCCESS;
     } else {
-        printf("%c%c%c%c", 0xB5, 0xF3, 0x03, 0xF3);
+        printf("%c%c%c%c\r\n", 0xB5, 0xF3, 0x00, 0xF3);
         return VALIDATION_CRC_ERROR;
     }
 }
@@ -124,7 +107,7 @@ void eddy_current_value_report(void) {
     // printf("EddyCurrent: %x\r\n", g_eddy_current_value_uint32);
     printf("%c%c%c", package_header[0], package_header[1], package_header[2]);
     printf("%c%c%c%c", package_data[0], package_data[1], package_data[2], package_data[3]);
-    printf("%c", calculate_crc(combined_data, 7));
+    printf("%c\r\n", calculate_crc(combined_data, 7));
 }
 
 void tempture_value_report(void) {
@@ -142,5 +125,5 @@ void tempture_value_report(void) {
     // printf("Temperature: %x\r\n", g_temperature_uint32);
     printf("%c%c%c", package_header[0], package_header[1], package_header[2]);
     printf("%c%c%c%c", package_data[0], package_data[1], package_data[2], package_data[3]);
-    printf("%c", calculate_crc(combined_data, 7));
+    printf("%c\r\n", calculate_crc(combined_data, 7));
 }