Added Uart Package Parsing

2026-05-05 19:54:18 +02:00
parent 3e174e1326
commit 6e0075f0b3
3 changed files with 152 additions and 1 deletions
@@ -0,0 +1,42 @@
+#ifndef UART_H
+#define UART_H
+
+#include "freertos/idf_additions.h"
+#include <stdbool.h>
+#include <stdint.h>
+#define UART_NUM UART_NUM_1
+#define UART_BUF_SIZE 256
+#define UART_TXD_PIN 2
+#define UART_RXD_PIN 3
+
+#define START_MARKER 0xAA
+#define STOP_MARKER 0xCC
+#define MAX_BUF_SIZE 256
+#define MAX_PAYLOAD_SIZE                                                       \
+  MAX_BUF_SIZE - 4 // Buffer overhead, Start, Len, CRC, End
+
+typedef enum {
+  STATE_START,
+  STATE_LEN,
+  STATE_DATA,
+  STATE_CHECKSUM,
+  STATE_STOP
+} parser_state_t;
+
+typedef struct {
+  uint8_t payload[MAX_PAYLOAD_SIZE];
+  uint8_t len;
+  uint8_t index;
+  uint8_t checksum;
+  parser_state_t state;
+} uart_packet_t;
+
+typedef struct {
+  uint8_t cmd;
+} uart_command_t;
+
+void init_uart(QueueHandle_t cmd_queue);
+void uart_read_task(void *param);
+bool parse_uart_byte(uint8_t byte, uart_packet_t *p);
+
+#endif