使用硬件IIC实现回去数据，并且，间隔缩小到300ms

CMakeLists.txt

@@ -16,7 +16,7 @@ set(OPT1 "_[12V]")
 #set(OPT1 "_[SW_IIC]")
 
 # Options 2
-set(OPT2 "")
+set(OPT2 "_[HW_IIC]")
 #set(OPT2 "_[NO_LED]")
 
 enable_language(C)
@@ -40,6 +40,7 @@ set(TARGET_C_SRC
         ${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
         ${CMAKE_SOURCE_DIR}/src/ultrasonic_analog.c
 )
 

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"
 #include "ultrasonic_analog.h"
 
 #ifdef SOFTWARE_IIC

src/fwdgt.c

@@ -15,7 +15,7 @@ void watchdog_init(void) {
     rcu_osci_stab_wait(RCU_IRC40K);
 
     /* Configure FWDGT counter clock: 40KHz(IRC40K) / 64 = 0.625 KHz */
-    fwdgt_config(625, FWDGT_PSC_DIV64); // Set timeout to 1 seconds (625 / 0.625 KHz)
+    fwdgt_config(625, FWDGT_PSC_DIV256); // Set timeout to 1 seconds (625 / 0.625 KHz)
 
     /* Enable FWDGT */
     fwdgt_enable();

src/gd60914.c

@@ -0,0 +1,43 @@
+//
+// 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
+
+    uint8_t data[2] = {0};
+
+#ifdef SOFTWARE_IIC
+    soft_i2c_read_16bits(GD60914_ADDR, GD60914_OBJ_TEMP, data);
+#else
+    i2c_read_16bits(GD60914_ADDR, GD60914_OBJ_TEMP, data);
+#endif
+
+    delay_ms(300);
+
+#ifdef SOFTWARE_IIC
+    soft_i2c_read_16bits(GD60914_ADDR, GD60914_TEMP_REG, data);
+#else
+    i2c_read_16bits(GD60914_ADDR, GD60914_TEMP_REG, data);
+#endif
+
+    printf("%d\r\n", data[1] << 8 | data[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

@@ -27,6 +27,12 @@ int main(void)
     /* configure FWDGT */
     watchdog_init();
 
+#ifdef SOFTWARE_IIC
+    soft_i2c_config();
+#else
+    i2c_config();
+#endif
+
     printf("system start!\r\n");
 
     ultrasonic_config();
@@ -34,14 +40,13 @@ int main(void)
     // gpio_bit_write(RS485_EN_PORT, RS485_EN_PIN, RESET);
     while(1){
         // printf("hello world!\r\n");
+        delay_ms(500);
+        gd60914_get_object_tempture();
         delay_ms(50);
 
         ultrasonic_pwm_out_cycles(ULTRASONIC_TX_CYCLES);
         // delay_ms(2);
 
-
-        // g_distance_uint16 = ultrasonic_calc_distance();
-        // printf("Distance: %d cm\r\n", g_distance_uint16);
         watchdog_reload();
     }
 }

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);