测试软件IIC

src/main.c

@@ -55,18 +55,79 @@ int main(void) {
     rs485_config();
     /* configure LED */
     led_config();
+
+    // watchdog_init();
     /* configure I2C */
     // i2c_gpio_config();
     // i2c_config();
 
     // ldc1612_iic_get_sensor_infomation();
     /* configure LDC1612 */
-    ldc1612_single_ch0_config();
+    // ldc1612_single_ch0_config();
+
+    uint8_t data[2] = {0};
+
+    printf("Start\n");
+
+
 
     /* Initialize watchdog */
     watchdog_init();
 
     while (1) {
+        si2c_config();
+        printf("111\n");
+
+        i2c_start();
+        i2c_send_byte((0x2B << 1) + 1);
+        if (!i2c_wait_ack())
+        {
+            printf("NACK\n");
+        }
+
+        i2c_delay();
+
+        i2c_send_byte(0x7E);
+        // if (!i2c_wait_ack())
+        // {
+        //     printf("NACK\n");
+        // }
+
+        i2c_delay();
+        i2c_start();
+
+        i2c_send_byte((0x2B << 1));
+        if (!i2c_wait_ack())
+        {
+            printf("NACK\n");
+        }
+
+        i2c_delay();
+
+        data[0] = i2c_receive_byte(1);
+        i2c_delay();
+        data[1] = i2c_receive_byte(0);
+
+        delay_us(5);
+        i2c_stop();
+        // printf("OK\n");
+
+        printf("0x%x 0x%x\n", data[0], data[1]);
+
+
+
+
+
+        // i2c_start();
+        // delay_ms(1);
+        // i2c_stop();
+        // delay_ms(1);
+        delay_ms(1000);
+        // 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();
+        printf("1\n");
         delay_ms(99);
         fwdgt_counter_reload();
     }