43 lines
1.1 KiB
Markdown
43 lines
1.1 KiB
Markdown
|
# ESP32-C3FH4 OTA Relay
|
||
|
|
|
||
|
|
Complete firmware for ESP32-C3FH4 acting as OTA relay between APP/PC and GD32E508VET6.
|
||
|
|
|
||
|
|
## Build
|
||
|
|
|
||
|
|
```bash
|
||
|
|
export IDF_PATH=/path/to/esp-idf
|
||
|
|
source $IDF_PATH/export.sh
|
||
|
|
mkdir build && cd build
|
||
|
|
cmake ..
|
||
|
|
make
|
||
|
|
```
|
||
|
|
|
||
|
|
## Structure
|
||
|
|
|
||
|
|
```
|
||
|
|
main/
|
||
|
|
main.c - Entry point, task creation
|
||
|
|
app_main.c - Application init, system monitor task
|
||
|
|
ota_relay.c - 4-stage OTA state machine
|
||
|
|
spi_master.c - SPI2 (VSPI) master driver
|
||
|
|
protocol.c - Frame format, CRC16, AES, scramble
|
||
|
|
wifi_ota.c - WiFi AP/STA + HTTP server
|
||
|
|
ble_ota.c - BLE GATT server
|
||
|
|
health_monitor.c - Temperature/voltage/WiFi monitoring
|
||
|
|
```
|
||
|
|
|
||
|
|
## Features
|
||
|
|
|
||
|
|
- WiFi AP mode (SSID: ESP32_OTA_RELAY, pw: 12345678)
|
||
|
|
- BLE GATT OTA service
|
||
|
|
- HTTP POST /ota/upload for firmware
|
||
|
|
- SPI to GD32 (40MHz, GPIO4-9)
|
||
|
|
- Flash storage with断点续传
|
||
|
|
- System health monitoring
|
||
|
|
|
||
|
|
## TODO (confirm with GD32 team)
|
||
|
|
|
||
|
|
- MASTER_KEY_HERE - AES-128 master key (16 bytes)
|
||
|
|
- SCRAMBLE_CONST_HERE - scramble algorithm seed
|
||
|
|
- CHIP_UID_HERE - GD32 chip unique ID
|
||
|
|
- GATT UUIDs for OTA service
|