Function doRemoteCommand

xs/platforms/esp/xsPlatform.c:1025–1288

}

void doRemoteCommand(txMachine *the, uint8_t *cmd, uint32_t cmdLen)
{
	uint16_t resultID = 0;
	int16_t resultCode = 0;
	uint8_t cmdID;
	int baud = 0;

	if (!cmdLen)
		return;

	cmdID = *cmd++;
	cmdLen -= 1;

	if (cmdLen >= 2) {
		resultID = (cmd[0] << 8) | cmd[1];
		cmd += 2, cmdLen -= 2;

		the->echoBuffer[0] = 5;
		the->echoBuffer[1] = resultID >> 8;
		the->echoBuffer[2] = resultID & 0xff;
		the->echoBuffer[3] = 0;
		the->echoBuffer[4] = 0;
		the->echoOffset = 5;
	}

	switch (cmdID) {
		case 1:		// restart
			the->wsState = 18;
			break;

#if MODDEF_XS_MODS
		case 2: {		// uninstall
			uint8_t erase[16] = {0};
#if ESP32
			const esp_partition_t *partition = esp_partition_find_first(0x40, 1,  NULL);
			if (!partition || (ESP_OK != esp_partition_write(partition, 0, erase, sizeof(erase))))
				resultCode = -2;
#else
			uint32_t offset = (uintptr_t)kModulesStart - (uintptr_t)kFlashStart;
			if (!modSPIWrite(offset, sizeof(erase), erase))
				resultCode = -2;
#endif
			} break;

		case 3: {	// install some
			uint32_t offset = c_read32be(cmd);
			cmd += 4, cmdLen -= 4;
#if ESP32
			const esp_partition_t *partition = esp_partition_find_first(0x40, 1,  NULL);
			resultCode = -3;
			if (partition) {
				int firstSector = offset / SPI_FLASH_SEC_SIZE, lastSector = (offset + cmdLen) / SPI_FLASH_SEC_SIZE;
				if (!((offset + cmdLen) % SPI_FLASH_SEC_SIZE))	// ends on sector boundary, don't fall into next sector
					lastSector -= 1;
				if (!(offset % SPI_FLASH_SEC_SIZE))			// starts on sector boundary
					esp_partition_erase_range(partition, offset, SPI_FLASH_SEC_SIZE * ((lastSector - firstSector) + 1));
				else if (firstSector != lastSector)
					esp_partition_erase_range(partition, (firstSector + 1) * SPI_FLASH_SEC_SIZE, SPI_FLASH_SEC_SIZE * (lastSector - firstSector));	// crosses into a new sector