Full cycle of serdes

app/app.c

@@ -5,17 +5,21 @@
 #include "quaternion.pb.h"
 
 #define SER_BUF_SIZE 128
-uint8_t serdes_buffer[SER_BUF_SIZE];
+#define DESER_BUF_SIZE 128
+
+typedef void (*sd_callback_t)(const uint8_t*, uint16_t);
+
+uint8_t ser_buffer[SER_BUF_SIZE];
+uint8_t des_buffer[SER_BUF_SIZE];
+
+static Quaternion quaternion = {0,0,0,0};
 
 uint8_t deserialize(uint8_t* buffer, size_t len) {
     bool status = 0;
-    SimpleMessage message = SimpleMessage_init_zero;
-
-    Quaternion quat = Quaternion_init_zero;
 
     pb_istream_t stream = pb_istream_from_buffer(buffer, len);
     
-    status = pb_decode(&stream, Quaternion_fields, &quat);
+    status = pb_decode(&stream, Quaternion_fields, &quaternion);
     
     if (!status)
     {
@@ -23,25 +27,20 @@ uint8_t deserialize(uint8_t* buffer, size_t len) {
         return 1;
     }
     
-    printf("Quaternion: w: %.2f, x: %.2f, y: %.2f, z: %.2f\r\n", quat.w, quat.x, quat.y, quat.z);
 }
 
 uint8_t serialize(uint8_t* buffer, size_t* len) {
-    size_t message_length = 0;
     bool status = 0;
-    static uint32_t cnt = 0;
-    SimpleMessage message = SimpleMessage_init_zero;
     
-    pb_ostream_t stream = pb_ostream_from_buffer(buffer, sizeof(buffer));
-    
-    message.number = cnt++;
+    pb_ostream_t stream = pb_ostream_from_buffer(buffer, &len);
 
-    status = pb_encode(&stream, SimpleMessage_fields, &message);
+    status = pb_encode(&stream, Quaternion_fields, &quaternion);
+    
     *len = stream.bytes_written;
 
     if (!status)
     {
-        printf("Encoding failed: %s\n", PB_GET_ERROR(&stream));
+        printf("Encoding failed: %s\r\n", PB_GET_ERROR(&stream));
         return 1;
     }
         
@@ -54,6 +53,24 @@ void commandHandler() {
 
 void sendData(sd_callback_t send_data_callback) {
     size_t ser_len = 0;
-    serialize(serdes_buffer, &ser_len);
-    send_data_callback(serdes_buffer, ser_len);
+    serialize(ser_buffer, &ser_len);
+    send_data_callback(ser_buffer, ser_len);
+}
+
+void app() {
+    lwip_status_t* lwip_status = getLwipStatus();
+    if (lwip_status->udp_packet_rdy == PACKET_RDY) {
+
+        lwip_status->udp_packet_rdy = PACKET_NOT_RDY;
+        udp_receive_buffer_t* udp_buffer = getUdpReceiveBuffer();
+        deserialize(udp_buffer->buf, udp_buffer->len);
+        sendData(udp_send_data);
+        printf("Quaternion: w: %.2f, x: %.2f, y: %.2f, z: %.2f\r\n", 
+            quaternion.w, 
+            quaternion.x, 
+            quaternion.y, 
+            quaternion.z
+        );
+
+    }
 }

app/app.h

@@ -2,8 +2,6 @@
 #define __APP_H
 #include "bsp.h"
 
-typedef void (*sd_callback_t)(const uint8_t*, uint16_t);
+void app();
 
-void sendData(sd_callback_t);
-uint8_t deserialize(uint8_t* buffer, size_t len);
 #endif

app/main.c

@@ -5,18 +5,10 @@ int main(void)
 {
   boardInit();
   udpServer_init();
-  uint32_t cnt = 0;
-  char numStr[10];
-  
   while (1)
   {
     lwipProcess(); 
-    GPIO_ToggleBits(GPIOB, GPIO_Pin_14);
-    if (getLwipStatus()->udp_packet_rdy == PACKET_RDY) {
-      getLwipStatus()->udp_packet_rdy = PACKET_NOT_RDY;
-      udp_receive_buffer_t* udp_buffer = getUdpReceiveBuffer();
-      deserialize(udp_buffer->buf, udp_buffer->len);
-    }
+    app();
   }
 
 }