Add UART OTA upload with A/B partition support.

Firmware buffers 200-byte chunks into 4 KiB blocks for esp_ota_write; goTool uploads with per-block ACK flow control and larger UART buffers to avoid stalls. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-05-19 00:39:59 +02:00
parent 1ad527119d
commit 59ca269407
20 changed files with 806 additions and 101 deletions
@@ -12,10 +12,10 @@
 #define UART_TXD_PIN 3
 #define UART_RXD_PIN 2

-#define UART_BUF_SIZE 256
+#define UART_BUF_SIZE 2048
 #define START_MARKER 0xAA
 #define STOP_MARKER 0xCC
-#define MAX_BUF_SIZE 256
+#define MAX_BUF_SIZE 252
 #define MAX_PAYLOAD_SIZE                                                       \
  MAX_BUF_SIZE - 4 // Buffer overhead, Start, Len, CRC, End