sl-firmware
972db16635
Balance side (uart_ota.c): downloads io-firmware.bin from Gitea to RAM, computes SHA256, then streams to IO over UART1 (GPIO17/18, 460800 baud) as OTA_BEGIN/OTA_DATA/OTA_END frames with CRC8 + per-chunk ACK/retry (×3). IO side (uart_ota_recv.c): receives frames, writes to inactive OTA partition via esp_ota_write, verifies SHA256 on OTA_END, sets boot partition, reboots. IO board main.c + CMakeLists.txt scaffold included. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
21 lines
479 B
C
21 lines
479 B
C
#pragma once
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/* uart_ota_recv.h — IO board: receives OTA firmware from Balance (bd-21hv) */
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#include <stdint.h>
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#include <stdbool.h>
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typedef enum {
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IO_OTA_IDLE = 0,
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IO_OTA_RECEIVING,
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IO_OTA_VERIFYING,
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IO_OTA_APPLYING,
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IO_OTA_REBOOTING,
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IO_OTA_FAILED,
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} io_ota_state_t;
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extern volatile io_ota_state_t g_io_ota_state;
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extern volatile uint8_t g_io_ota_progress;
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/* Start listening for OTA frames on UART0 */
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void uart_ota_recv_init(void);
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