324 lines
7.2 KiB
C++
324 lines
7.2 KiB
C++
/*
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* Copyright (C) OpenTX
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*
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* Based on code named
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* th9x - http://code.google.com/p/th9x
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* er9x - http://code.google.com/p/er9x
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* gruvin9x - http://code.google.com/p/gruvin9x
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*
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* License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include "opentx.h"
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#define PRIM_REQ_POWERUP 0
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#define PRIM_REQ_VERSION 1
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#define PRIM_CMD_DOWNLOAD 3
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#define PRIM_DATA_WORD 4
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#define PRIM_DATA_EOF 5
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#define PRIM_ACK_POWERUP 0x80
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#define PRIM_ACK_VERSION 0x81
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#define PRIM_REQ_DATA_ADDR 0x82
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#define PRIM_END_DOWNLOAD 0x83
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#define PRIM_DATA_CRC_ERR 0x84
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void DeviceFirmwareUpdate::processFrame()
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{
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if (frame[1] == 0x5E && frame[2] == 0x50) {
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switch (frame[3]) {
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case PRIM_ACK_POWERUP :
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if (state == SPORT_POWERUP_REQ) {
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state = SPORT_POWERUP_ACK;
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}
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break;
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case PRIM_ACK_VERSION:
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if (state == SPORT_VERSION_REQ) {
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state = SPORT_VERSION_ACK;
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// here we could display the version
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}
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break;
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case PRIM_REQ_DATA_ADDR:
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if (state == SPORT_DATA_TRANSFER) {
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address = *((uint32_t *)(&frame[4]));
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state = SPORT_DATA_REQ;
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}
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break;
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case PRIM_END_DOWNLOAD :
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state = SPORT_COMPLETE ;
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break;
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case PRIM_DATA_CRC_ERR :
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state = SPORT_FAIL ;
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break;
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}
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}
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}
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void DeviceFirmwareUpdate::startup()
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{
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switch(module) {
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case INTERNAL_MODULE:
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#if defined(INTMODULE_USART)
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return intmoduleSerialStart(57600);
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#endif
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default:
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return telemetryInit(PROTOCOL_TELEMETRY_FRSKY_SPORT);
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}
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#if defined(PCBTARANIS) || defined(PCBHORUS)
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if (module == INTERNAL_MODULE)
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INTERNAL_MODULE_ON();
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else if (module == EXTERNAL_MODULE)
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EXTERNAL_MODULE_ON();
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else
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SPORT_UPDATE_POWER_ON();
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#endif
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watchdogSuspend(50);
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RTOS_WAIT_MS(50);
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}
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bool DeviceFirmwareUpdate::readByte(uint8_t & byte)
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{
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switch(module) {
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case INTERNAL_MODULE:
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#if defined(INTMODULE_USART)
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return intmoduleFifo.pop(byte);
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#endif
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default:
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return telemetryGetByte(&byte);
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}
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}
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bool DeviceFirmwareUpdate::waitState(State state, uint32_t timeout)
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{
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#if defined(SIMU)
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UNUSED(state);
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UNUSED(timeout);
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return true;
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#else
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watchdogSuspend(timeout / 10);
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uint8_t len = 0;
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while (len < 10) {
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uint32_t elapsed = 0;
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while (!intmoduleFifo.pop(frame[len])) {
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RTOS_WAIT_MS(1);
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if (elapsed++ >= timeout) {
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return false;
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}
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}
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if (len > 0 || frame[len] == 0x7E) {
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++len;
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}
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}
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processFrame();
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return state == state;
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#endif
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}
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void DeviceFirmwareUpdate::startFrame(uint8_t command)
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{
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frame[0] = 0x50;
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frame[1] = command;
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memset(&frame[2], 0, 6);
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}
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// TODO merge this function
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void DeviceFirmwareUpdate::sendFrame()
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{
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uint8_t * ptr = outputTelemetryBuffer;
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*ptr++ = 0x7E;
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*ptr++ = 0xFF;
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frame[7] = crc16(frame, 7);
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for (int i=0; i<8; i++) {
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if (frame[i] == 0x7E || frame[i] == 0x7D) {
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*ptr++ = 0x7D;
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*ptr++ = 0x20 ^ frame[i];
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}
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else {
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*ptr++ = frame[i];
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}
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}
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switch(module) {
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case INTERNAL_MODULE:
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#if defined(INTMODULE_USART)
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return intmoduleSendBuffer(outputTelemetryBuffer, ptr-outputTelemetryBuffer);
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#endif
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default:
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return sportSendBuffer(outputTelemetryBuffer, ptr-outputTelemetryBuffer);
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}
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}
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const char * DeviceFirmwareUpdate::sendPowerOn()
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{
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waitState(SPORT_IDLE, 20); // Clear the fifo
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state = SPORT_POWERUP_REQ;
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for (int i=0; i<10; i++) {
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// max 10 attempts
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startFrame(PRIM_REQ_POWERUP);
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sendFrame();
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if (waitState(SPORT_POWERUP_ACK, 100))
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return nullptr;
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}
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if (telemetryProtocol != PROTOCOL_TELEMETRY_FRSKY_SPORT) {
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return TR("Not responding", "Not S.Port 1");
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}
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if (!IS_FRSKY_SPORT_PROTOCOL()) {
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return TR("Not responding", "Not S.Port 2");
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}
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#if defined(PCBX7)
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if (IS_PCBREV_40()) {
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return TR("Bottom pin no resp", "Bottom pin not responding");
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}
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else {
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return TR("Module pin no resp", "Module pin not responding");
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}
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#else
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return TR("Not responding", "Module not responding");
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#endif
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}
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const char * DeviceFirmwareUpdate::sendReqVersion()
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{
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waitState(SPORT_IDLE, 20); // Clear the fifo
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state = SPORT_VERSION_REQ;
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for (int i=0; i<10; i++) {
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// max 10 attempts
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startFrame(PRIM_REQ_VERSION) ;
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sendFrame();
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if (waitState(SPORT_VERSION_ACK, 100))
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return nullptr;
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}
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return "Version request failed";
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}
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const char * DeviceFirmwareUpdate::uploadFile(const char *filename)
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{
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FIL file;
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uint32_t buffer[1024 / sizeof(uint32_t)];
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UINT count;
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if (f_open(&file, filename, FA_READ) != FR_OK) {
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return "Error opening file";
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}
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waitState(SPORT_IDLE, 200); // Clear the fifo
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state = SPORT_DATA_TRANSFER;
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startFrame(PRIM_CMD_DOWNLOAD);
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sendFrame();
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while (1) {
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if (f_read(&file, buffer, 1024, &count) != FR_OK) {
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f_close(&file);
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return "Error reading file";
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}
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count >>= 2;
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for (UINT i=0; i<count; i++) {
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if (!waitState(SPORT_DATA_REQ, 2000)) {
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return "Module refused data";
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}
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startFrame(PRIM_DATA_WORD) ;
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uint32_t offset = (address & 1023) >> 2; // 32 bit word offset into buffer
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*((uint32_t *)(frame + 2)) = buffer[offset];
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frame[6] = address & 0x000000FF;
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state = SPORT_DATA_TRANSFER,
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sendFrame();
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if (i == 0) {
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drawProgressBar(STR_WRITING, file.fptr, file.obj.objsize);
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}
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}
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if (count < 256) {
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f_close(&file);
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return nullptr;
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}
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}
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}
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const char * DeviceFirmwareUpdate::endTransfer()
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{
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if (!waitState(SPORT_DATA_REQ, 2000))
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return "Module refused data";
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startFrame(PRIM_DATA_EOF);
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sendFrame();
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if (!waitState(SPORT_COMPLETE, 2000)) {
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return "Module rejected firmware";
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}
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return nullptr;
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}
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void DeviceFirmwareUpdate::flashFile(const char * filename)
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{
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pausePulses();
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#if defined(PCBTARANIS) || defined(PCBHORUS)
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uint8_t intPwr = IS_INTERNAL_MODULE_ON();
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uint8_t extPwr = IS_EXTERNAL_MODULE_ON();
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INTERNAL_MODULE_OFF();
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EXTERNAL_MODULE_OFF();
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SPORT_UPDATE_POWER_OFF();
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/* wait 2s off */
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watchdogSuspend(2000);
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RTOS_WAIT_MS(2000);
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#endif
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startup();
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const char * result = sendPowerOn();
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if (!result) result = sendReqVersion();
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if (!result) result = uploadFile(filename);
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if (!result) result = endTransfer();
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if (result) {
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POPUP_WARNING(STR_FIRMWARE_UPDATE_ERROR);
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SET_WARNING_INFO(result, strlen(result), 0);
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}
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else {
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POPUP_INFORMATION(STR_FIRMWARE_UPDATE_SUCCESS);
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}
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#if defined(PCBTARANIS) || defined(PCBHORUS)
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INTERNAL_MODULE_OFF();
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EXTERNAL_MODULE_OFF();
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SPORT_UPDATE_POWER_OFF();
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#endif
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waitState(SPORT_IDLE, 500); // Clear the fifo
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#if defined(PCBTARANIS) || defined(PCBHORUS)
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if (intPwr)
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INTERNAL_MODULE_ON();
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if (extPwr)
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EXTERNAL_MODULE_ON();
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#endif
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state = SPORT_IDLE;
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resumePulses();
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}
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