超级电容通信 VOFA

modules/vofa/vofa.c

@@ -0,0 +1,33 @@
+/*
+ * @Descripttion: 
+ * @version: 
+ * @Author: Chenfu
+ * @Date: 2022-12-05 12:39:07
+ * @LastEditTime: 2022-12-05 14:15:53
+ */
+#include "vofa.h"
+
+/*VOFA浮点协议*/
+void vofa_justfloat_output(float *data, uint8_t num , UART_HandleTypeDef *huart )
+{
+    static uint8_t i = 0;
+    send_float temp[num];			//定义缓冲区数组
+    uint8_t send_data[4 * num + 4]; //定义通过串口传出去的数组，数量是所传数据的字节数加上4个字节的尾巴
+    for (i = 0; i < num; i++)
+    {
+        temp[i].float_t = data[i]; //将所传数据移到缓冲区数组
+    }
+    for (i = 0; i < num; i++)
+    {
+        send_data[4 * i] = temp[i].uint8_t[0];
+        send_data[4 * i + 1] = temp[i].uint8_t[1];
+        send_data[4 * i + 2] = temp[i].uint8_t[2];
+        send_data[4 * i + 3] = temp[i].uint8_t[3]; //将缓冲区数组内的浮点型数据转成4个字节的无符号整型，之后传到要通过串口传出的数组里
+    }
+    send_data[4 * num] = 0x00;
+    send_data[4 * num + 1] = 0x00;
+    send_data[4 * num + 2] = 0x80;
+    send_data[4 * num + 3] = 0x7f; //加上协议要求的4个尾巴
+
+    HAL_UART_Transmit(huart, (uint8_t *)send_data, 4 * num + 4, 100);
+}