修改通信协议部分，修改版型为0x04

CMakeLists.txt

@@ -12,7 +12,7 @@ set(VERSION "V${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
 string(TIMESTAMP CURRENT_DATE "%Y-%m-%d")
 
 # Options 1
-set(OPT1 "")
+set(OPT1 "_[HW_IIC]")
 #set(OPT1 "_[SW_IIC]")
 
 # Options 2
@@ -39,6 +39,8 @@ set(TARGET_C_SRC
         ${CMAKE_SOURCE_DIR}/src/soft_i2c.c
         ${CMAKE_SOURCE_DIR}/src/i2c.c
         ${CMAKE_SOURCE_DIR}/src/fwdgt.c
+        ${CMAKE_SOURCE_DIR}/src/rs485_protocol.c
+        ${CMAKE_SOURCE_DIR}/src/gd60914.c
 )
 
 add_executable(${PROJECT_NAME} ${TARGET_C_SRC})

cmake/toolchain.cmake

@@ -91,9 +91,15 @@ set(TARGET_CFLAGS_HARDWARE "-mcpu=cortex-m23 -mfloat-abi=soft -mthumb -mthumb-in
 
 # Conditional flags
 # DEBUG
-set(CMAKE_C_FLAGS_DEBUG     "-DDEBUG=0 -O0 -g")
-set(CMAKE_CXX_FLAGS_DEBUG   "-DDEBUG=0 -O0 -g")
-set(CMAKE_ASM_FLAGS_DEBUG   "-DDEBUG=0 -O0 -g")
+#set(CMAKE_C_FLAGS_DEBUG     "-DDEBUG=0 -O0 -g")
+#set(CMAKE_CXX_FLAGS_DEBUG   "-DDEBUG=0 -O0 -g")
+#set(CMAKE_ASM_FLAGS_DEBUG   "-DDEBUG=0 -O0 -g")
+set(CMAKE_C_FLAGS_DEBUG     "-DDEBUG=0 -O2 -g")
+set(CMAKE_CXX_FLAGS_DEBUG   "-DDEBUG=0 -O2 -g")
+set(CMAKE_ASM_FLAGS_DEBUG   "-DDEBUG=0 -O2 -g")
+#set(CMAKE_C_FLAGS_DEBUG     "-DDEBUG=0 -Os -g")
+#set(CMAKE_CXX_FLAGS_DEBUG   "-DDEBUG=0 -Os -g")
+#set(CMAKE_ASM_FLAGS_DEBUG   "-DDEBUG=0 -Os -g")
 
 # RELEASE
 set(CMAKE_C_FLAGS_RELEASE        "-DNDEBUG -O3") #  -flto

inc/board_config.h

@@ -31,7 +31,7 @@
 #define USART_PHY            USART0
 #define USART_PHY_BAUDRATE   115200U
 #define RS485_EN_PORT        GPIOA
-#define RS485_EN_PIN         GPIO_PIN_1
+#define RS485_EN_PIN         GPIO_PIN_4
 
 /******************************************************************************/
 

inc/gd32e23x_it.h

@@ -39,6 +39,9 @@ OF SUCH DAMAGE.
 #include "main.h"
 #include "systick.h"
 #include "board_config.h"
+#include "usart.h"
+#include "fwdgt.h"
+#include "rs485_protocol.h"
 
 /* function declarations */
 /* this function handles NMI exception */

inc/gd60914.h

@@ -0,0 +1,34 @@
+//
+// Created by dell on 25-1-7.
+//
+
+#ifndef GD60914_H
+#define GD60914_H
+
+#include "gd32e23x_it.h"
+#include "gd32e23x.h"
+
+#include "board_config.h"
+
+#ifdef SOFTWARE_IIC
+#include "soft_i2c.h"
+#else
+#include "i2c.h"
+#endif
+
+/******************************************************************************/
+
+#define GD60914_ADDR         (0x18 << 1)
+
+/******************************************************************************/
+
+#define GD60914_HUM_TEMP     0x1A
+#define GD60914_OBJ_TEMP     0x1F
+#define GD60914_AMB_TEMP     0x1E
+#define GD60914_TEMP_REG     0x1C
+
+void gd60914_get_object_tempture(void);
+
+void gd60914_read_temp(void);
+
+#endif //GD60914_H

inc/i2c.h

@@ -19,7 +19,7 @@
 
 /******************************************************************************/
 
-#define I2C_SPEED       20000
+#define I2C_SPEED       100000
 
 #define I2C_TIME_OUT    (uint16_t)(5000)
 #define I2C_OK          1

inc/main.h

@@ -43,6 +43,7 @@ OF SUCH DAMAGE.
 #include "usart.h"
 #include "fwdgt.h"
 #include "board_config.h"
+#include "gd60914.h"
 
 #ifdef SOFTWARE_IIC
 #include "soft_i2c.h"

inc/rs485_protocol.h

@@ -0,0 +1,53 @@
+//
+// Created by yelv1 on 24-12-31.
+//
+
+#ifndef RS485_PROTOCOL_H
+#define RS485_PROTOCOL_H
+
+#include "gd32e23x.h"
+#include "systick.h"
+#include "gd32e23x_libopt.h"
+#include "board_config.h"
+#include "usart.h"
+#include "fwdgt.h"
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+
+/******************************************************************************/
+
+#define RX_BUFFER_SIZE            32
+
+#define PROTOCOL_PACKAGE_HEADER   0xD5
+#define PROTOCOL_BOARD_TYPE       0x04
+#define PROTOCOL_PACKAGE_LENGTH   0x02
+
+/******************************************************************************/
+
+typedef enum
+{
+    VALIDATION_SUCCESS = 0,
+    VALIDATION_CRC_ERROR = 1,
+    VALIDATION_HEADER_ERROR = 2,
+    VALIDATION_TYPE_ERROR = 4,
+    VALIDATION_LENGTH_ERROR = 8
+} validation_result_t;
+
+/******************************************************************************/
+
+void process_command(uint8_t* cmd, size_t length);
+
+uint8_t calculate_crc(uint8_t data[], uint8_t data_length);
+
+validation_result_t validate_package_crc(uint8_t* data, uint8_t data_length);
+
+validation_result_t validate_package_header(uint8_t* data);
+
+validation_result_t validate_package_type(uint8_t* data);
+
+validation_result_t validate_data_length(uint8_t* data);
+
+void gd60914_tempture_report(void);
+
+#endif //RS485_PROTOCOL_H

src/gd32e23x_it.c

@@ -120,4 +120,28 @@ void TIMER16_IRQHandler(void)
         }
         led_status = !led_status;
     }
+}
+
+void USART0_IRQHandler(void) {
+    static uint8_t rx_index = 0;
+    static uint8_t rx_buffer[RX_BUFFER_SIZE];
+
+    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);
+
+        // 将接收到的数据存储到缓冲区
+        if (rx_index < RX_BUFFER_SIZE - 1) {
+            rx_buffer[rx_index++] = received_data;
+        }
+    }
+
+    if (RESET != usart_interrupt_flag_get(USART0, USART_INT_FLAG_IDLE)) {
+        usart_interrupt_flag_clear(USART0, USART_INT_FLAG_IDLE);
+
+        process_command(rx_buffer, rx_index); // 处理指令
+
+        rx_index = 0; // 重置缓冲区索引
+        return;
+    }
 }

src/gd60914.c

@@ -0,0 +1,51 @@
+//
+// Created by dell on 25-1-7.
+//
+
+#include "gd60914.h"
+
+void gd60914_get_object_tempture(void) {
+    #ifdef SOFTWARE_IIC
+    soft_i2c_config();
+    #else
+    i2c_config();
+    #endif
+
+    static uint8_t sensor_validation_data[2];
+    extern uint8_t g_temperature_uint8[2];
+
+#ifdef SOFTWARE_IIC
+    soft_i2c_read_16bits(GD60914_ADDR, GD60914_OBJ_TEMP, data);
+#else
+    i2c_read_16bits(GD60914_ADDR, GD60914_OBJ_TEMP, sensor_validation_data);
+#endif
+
+    if (sensor_validation_data[0] != 0xAA || sensor_validation_data[1] != 0x55) {
+#ifdef DEBUG_VERBOES
+        printf("sensor error\r\n");
+#endif
+        return;
+    }
+
+    delay_ms(350);
+
+#ifdef SOFTWARE_IIC
+    soft_i2c_read_16bits(GD60914_ADDR, GD60914_TEMP_REG, g_temperature_uint8);
+#else
+    i2c_read_16bits(GD60914_ADDR, GD60914_TEMP_REG, g_temperature_uint8);
+#endif
+
+    // printf("%d\r\n", g_temperature_uint8[1] << 8 | g_temperature_uint8[0]);
+}
+
+void gd60914_read_temp(void) {
+
+    uint8_t value[2] = {0};
+    #ifdef SOFTWARE_IIC
+    soft_i2c_read_16bits(GD60914_ADDR, GD60914_OBJ_TEMP, value);
+    #else
+    i2c_read_16bits(GD60914_ADDR, GD60914_TEMP_REG, value);
+    #endif
+
+    printf("%x %x\r\n", value[1], value[0]);
+}

src/main.c

@@ -6,6 +6,8 @@
 */
 #include "main.h"
 
+volatile uint8_t g_temperature_uint8[2] = {0};
+
 /*!
     \brief      main function
     \param[in]  none
@@ -14,6 +16,7 @@
 */
 int main(void)
 {
+    setbuf(stdout, NULL);
     /* configure systick */
     systick_config();
     /* configure USART */
@@ -23,11 +26,20 @@ int main(void)
     /* configure FWDGT */
     watchdog_init();
 
+#ifdef SOFTWARE_IIC
+    soft_i2c_config();
+#else
+    i2c_config();
+#endif
+
     printf("system start!\r\n");
 
     while(1){
-        printf("hello world!\r\n");
-        delay_ms(500);
+        // printf("hello world!\r\n");
+        // delay_ms(500);
+        gd60914_get_object_tempture();
+        // delay_ms(100);
+        // printf("%d\r\n", g_temperature_uint8[1] << 8 | g_temperature_uint8[0]);
 
         watchdog_reload();
     }

src/rs485_protocol.c

@@ -0,0 +1,106 @@
+//
+// Created by yelv1 on 24-12-31.
+//
+
+#include "rs485_protocol.h"
+
+extern uint8_t g_temperature_uint8[2];
+
+void process_command(uint8_t *cmd, size_t length) {
+    char combined_str[3];
+    validation_result_t validate = VALIDATION_SUCCESS;
+
+    validate = (validate_package_header(cmd) |
+                validate_package_type(cmd) |
+                validate_data_length(cmd) |
+                validate_package_crc(cmd, length));
+
+    switch (validate) {
+    case VALIDATION_SUCCESS:
+        // printf("%d", length);
+            sprintf(combined_str, "%c%c", cmd[3], cmd[4]);
+        if (strcmp(combined_str, "M1") == 0) {
+            printf("%c%c%c%c%c%c", 0xB5, 0xF1, 0x02, 0x6F, 0x6B, 0xCC);
+            // eddy_current_value_report();
+        } else if (strcmp(combined_str, "M2") == 0)
+        {
+            gd60914_tempture_report();
+        } else if (strcmp(combined_str, "M3") == 0)
+        {
+            printf("%c%c%c%c%c%c", 0xB5, 0xF1, 0x02, 0x6F, 0x6B, 0xCC);
+            fwdgt_reset_mcu();
+        } else {
+            printf("%c%c%c%c%c%c%c", 0xB5, 0xF0, 0x03, 0x65, 0x72, 0x72, 0x3C);
+            return;
+        }
+        break;
+    case VALIDATION_CRC_ERROR:
+        printf("%c%c%c%c%c%c%c", 0xB5, 0xF1, 0x03, 0x65, 0x72, 0x72, 0x3D);
+        break;
+    case VALIDATION_HEADER_ERROR:
+        printf("%c%c%c%c%c%c%c", 0xB5, 0xF2, 0x03, 0x65, 0x72, 0x72, 0x3E);
+        break;
+    case VALIDATION_TYPE_ERROR:
+        printf("%c%c%c%c%c%c%c", 0xB5, 0xF3, 0x03, 0x65, 0x72, 0x72, 0x3F);
+        break;
+    case VALIDATION_LENGTH_ERROR:
+        printf("%c%c%c%c%c%c%c", 0xB5, 0xF4, 0x03, 0x65, 0x72, 0x72, 0x40);
+        break;
+    default:
+        break;
+    }
+}
+
+uint8_t calculate_crc(uint8_t data[], uint8_t data_length) {
+    uint8_t crc = 0;
+
+    for (uint8_t i = 1; i < data_length - 1; i++) {
+        crc += data[i];
+    }
+
+    return (uint8_t) (crc & 0xFF);
+}
+
+validation_result_t validate_package_crc(uint8_t *data, uint8_t data_length) {
+    if (data[data_length - 1] == calculate_crc(data, data_length) && data_length == 3 + data[2] + 1) {
+        return VALIDATION_SUCCESS;
+    } else {
+        return VALIDATION_CRC_ERROR;
+    }
+}
+
+validation_result_t validate_package_header(uint8_t *data) {
+    if (data[0] == PROTOCOL_PACKAGE_HEADER) {
+        return VALIDATION_SUCCESS;
+    } else {
+        return VALIDATION_HEADER_ERROR;
+    }
+}
+
+validation_result_t validate_package_type(uint8_t *data) {
+    if (data[1] == PROTOCOL_BOARD_TYPE) {
+        return VALIDATION_SUCCESS;
+    } else {
+        return VALIDATION_TYPE_ERROR;
+    }
+}
+
+validation_result_t validate_data_length(uint8_t *data) {
+    if (data[2] == PROTOCOL_PACKAGE_LENGTH) {
+        return VALIDATION_SUCCESS;
+    } else {
+        return VALIDATION_LENGTH_ERROR;
+    }
+}
+
+void gd60914_tempture_report(void) {
+    static uint8_t package_header[3] = {0xB5, 0xF0, 0x02};
+
+    uint8_t combined_data[5];
+    memcpy(combined_data, package_header, 3);
+    memcpy(combined_data + 3, g_temperature_uint8, 2);
+
+    printf("%c%c%c", package_header[0], package_header[1], package_header[2]);
+    printf("%c%c", g_temperature_uint8[1], g_temperature_uint8[0]);
+    printf("%c", calculate_crc(combined_data, 6));
+}

src/soft_i2c.c

@@ -11,7 +11,7 @@
     \retval     none
 */
 void soft_i2c_delay(void) {
-    delay_us(20); // Adjust delay as needed
+    delay_us(1); // Adjust delay as needed
     /* delay to freq
      *  15KHz: delay_us(20);
      *  65KHz: delay_us(1);

src/usart.c

@@ -28,6 +28,10 @@ void usart_config(void)
     usart_transmit_config(USART_PHY, USART_TRANSMIT_ENABLE);
 
     usart_enable(USART_PHY);
+
+    nvic_irq_enable(USART0_IRQn, 0);
+    usart_interrupt_enable(USART_PHY, USART_INT_RBNE);
+    usart_interrupt_enable(USART_PHY, USART_INT_IDLE);
 }
 
 /**