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gcf.c
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/*
* Copyright (c) 2021-2024 dresden elektronik ingenieurtechnik gmbh.
* All rights reserved.
*
* The software in this package is published under the terms of the BSD
* style license a copy of which has been included with this distribution in
* the LICENSE.txt file.
*
*/
/* This file implements the platform independent part of GCFFlasher.
*/
#ifndef APP_VERSION /* provided by CMakeLists.txt */
#define APP_VERSION "v0.0.0-beta"
#endif
#include "u_sstream.h"
#include "u_bstream.h"
#include "u_strlen.h"
#include "u_mem.h"
#include "buffer_helper.h"
#include "gcf.h"
#include "protocol.h"
#include "net.h"
#define UI_MAX_LINE_LENGTH 255
#define UI_MAX_LINES 32
#define MAX_DEVICES 4
#define GCF_HEADER_SIZE 14
#define GCF_MAGIC 0xCAFEFEED
#define FLASH_TYPE_APP_ENCRYPTED 60
#define FLASH_TYPE_APP_COMPRESSED_ENCRYPTED 70
#define FLASH_TYPE_BTL_ENCRYPTED 80
#define FLASH_TYPE_APP_ENCRYPTED_2 90
#define FW_VERSION_PLATFORM_MASK 0x0000FF00
#define FW_VERSION_PLATFORM_R21 0x00000700 /* 0x26120700*/
#define FW_VERSION_PLATFORM_AVR 0x00000500 /* 0x26390500*/
/* Bootloader V3.x serial protocol */
#define BTL_MAGIC 0x81
#define BTL_ID_REQUEST 0x02
#define BTL_ID_RESPONSE 0x82
#define BTL_FW_UPDATE_REQUEST 0x03
#define BTL_FW_UPDATE_RESPONSE 0x83
#define BTL_FW_DATA_REQUEST 0x04
#define BTL_FW_DATA_RESPONSE 0x84
/* Bootloader V1 */
#define V1_PAGESIZE 256
typedef void (*state_handler_t)(GCF*, Event);
typedef enum
{
T_NONE,
T_RESET,
T_PROGRAM,
T_LIST,
T_CONNECT,
T_HELP
} Task;
typedef enum
{
DEV_UNKNOWN,
DEV_RASPBEE_1,
DEV_RASPBEE_2,
DEV_CONBEE_1,
DEV_CONBEE_2,
DEV_HIVE
} DeviceType;
typedef struct GCF_File_t
{
char fname[MAX_DEV_PATH_LENGTH];
unsigned long fsize;
unsigned long fwVersion; /* taken from file name */
/* parsed GCF file header */
unsigned char gcfFileType;
unsigned long gcfTargetAddress;
unsigned long gcfFileSize;
unsigned char gcfCrc;
unsigned long gcfCrc32;
unsigned char fcontent[MAX_GCF_FILE_SIZE];
unsigned dataOffset;
} GCF_File;
typedef struct UI_Line
{
char buf[UI_MAX_LINE_LENGTH];
} UI_Line;
/* The GCF struct holds the complete state as well as GCF file data. */
typedef struct GCF_t
{
int argc;
char **argv;
unsigned wp; /* ascii[] write pointer */
char ascii[512]; /* buffer for raw data */
state_handler_t state;
state_handler_t substate;
/* UI line buffering */
unsigned uiCurrentLine;
UI_Line uiLines[UI_MAX_LINES];
U_SStream uiStringStream;
int retry;
unsigned remaining; /* remaining bytes during upload */
Task task;
PROT_RxState rxstate;
PL_time_t startTime;
PL_time_t maxTime;
unsigned devCount;
Device devices[MAX_DEVICES];
DeviceType devType;
PL_Baudrate devBaudrate;
char devpath[MAX_DEV_PATH_LENGTH];
char devSerialNum[MAX_DEV_SERIALNR_LENGTH];
GCF_File file;
} GCF;
static DeviceType gcfGetDeviceType(GCF *gcf);
static void gcfRetry(GCF *gcf);
static void gcfPrintHelp(void);
static GCF_Status gcfProcessCommandline(GCF *gcf);
static void gcfGetDevices(GCF *gcf);
static void gcfCommandResetUart(void);
static void gcfCommandQueryStatus(void);
static void gcfCommandQueryFirmwareVersion(void);
static void ST_Void(GCF *gcf, Event event);
static void ST_Init(GCF *gcf, Event event);
static void ST_Program(GCF *gcf, Event event);
static void ST_V1ProgramSync(GCF *gcf, Event event);
static void ST_V1ProgramWriteHeader(GCF *gcf, Event event);
static void ST_V1ProgramUpload(GCF *gcf, Event event);
static void ST_V1ProgramValidate(GCF *gcf, Event event);
static void ST_V3ProgramSync(GCF *gcf, Event event);
static void ST_V3ProgramUpload(GCF *gcf, Event event);
static void ST_V3ProgramWaitID(GCF *gcf, Event event);
static void ST_BootloaderConnect(GCF *gcf, Event event);
static void ST_BootloaderQuery(GCF *gcf, Event event);
static void ST_Connect(GCF *gcf, Event event);
static void ST_Connected(GCF *gcf, Event event);
static void ST_Reset(GCF *gcf, Event event);
static void ST_ResetUart(GCF *gcf, Event event);
static void ST_ResetFtdi(GCF *gcf, Event event);
static void ST_ResetRaspBee(GCF *gcf, Event event);
static void ST_ListDevices(GCF *gcf, Event event);
static UI_Line *UI_NextLine(GCF *gcf);
U_SStream *UI_StringStream(GCF *gcf);
void U_sstream_put_u32hex(U_SStream *ss, unsigned long val);
static GCF gcfLocal;
static const char hex_lookup[16] =
{
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'A', 'B', 'C', 'D', 'E', 'F',
};
void put_hex(unsigned char ch, char *buf)
{
buf[0] = hex_lookup[(ch >> 4) & 0xF];
buf[1] = hex_lookup[(ch & 0x0F)];
}
static UI_Line *UI_NextLine(GCF *gcf)
{
UI_Line *line;
gcf->uiCurrentLine = (gcf->uiCurrentLine + 1) % UI_MAX_LINES;
line = &gcf->uiLines[gcf->uiCurrentLine];
line->buf[0] = '\0';
return line;
}
void UI_Puts(GCF *gcf, const char *str)
{
(void)gcf;
if (str[0])
{
PL_Print(str);
}
}
U_SStream *UI_StringStream(GCF *gcf)
{
UI_Line *line;
line = UI_NextLine(gcf);
U_sstream_init(&gcf->uiStringStream, line->buf, sizeof(line->buf));
return &gcf->uiStringStream;
}
#ifdef PL_NO_UTF8
#define FMT_BLOCK_OPEN "."
#define FMT_BLOCK_DONE "#"
#else
#define FMT_BLOCK_OPEN "\xE2\x96\x91" /* Light Shade U+2591 */
#define FMT_BLOCK_DONE "\xE2\x96\x93" /* Dark Shade U+2591 */
#endif
static void UI_UpdateProgress(GCF *gcf)
{
long percent;
int ndone;
unsigned i;
unsigned w;
unsigned h;
unsigned wmax;
unsigned long total;
char buf[256];
U_SStream ss;
U_sstream_init(&ss, &buf[0], sizeof(buf));
total = gcf->file.gcfFileSize;
UI_GetWinSize(&w, &h);
wmax = w - 2 <= 80 ? w : 80; // cap line length
percent = (total - gcf->remaining) * 100 / total;
if (percent > 95)
percent = 100;
U_sstream_put_str(&ss, "\r ");
/* ' 100 % ' right align percent number */
if (percent < 10) { U_sstream_put_str(&ss, " "); }
else if (percent < 100) {U_sstream_put_str(&ss, " "); }
U_sstream_put_long(&ss, percent);
U_sstream_put_str(&ss, "% uploading ");
w = wmax - ss.pos - 2;
ndone = (total - gcf->remaining) * w / total;
for (i = 0; i < w; i++)
{
if ((int)i <= ndone)
U_sstream_put_str(&ss, FMT_BLOCK_DONE);
else
U_sstream_put_str(&ss, FMT_BLOCK_OPEN);
}
for (; ss.pos < wmax;)
U_sstream_put_str(&ss, " ");
UI_SetCursor(0, h - 1);
PL_Print(&buf[0]);
}
static void ST_Void(GCF *gcf, Event event)
{
(void)gcf;
(void)event;
}
static void ST_Init(GCF *gcf, Event event)
{
if (event == EV_PL_STARTED || event == EV_TIMEOUT)
{
if (gcfProcessCommandline(gcf) == GCF_FAILED)
{
PL_ShutDown();
}
else
{
GCF_HandleEvent(gcf, EV_ACTION);
}
}
}
static void ST_Reset(GCF *gcf, Event event)
{
if (event == EV_ACTION)
{
gcf->wp = 0;
gcf->substate = ST_ResetUart;
gcf->substate(gcf, EV_ACTION);
}
else if (event == EV_UART_RESET_SUCCESS || event == EV_FTDI_RESET_SUCCESS || event == EV_RASPBEE_RESET_SUCCESS)
{
gcf->substate = ST_Void;
if (gcf->task == T_RESET)
{
PL_ShutDown();
}
else if (gcf->task == T_PROGRAM)
{
gcf->state = ST_Program;
GCF_HandleEvent(gcf, EV_RESET_SUCCESS);
}
}
else if (event == EV_UART_RESET_FAILED)
{
if (gcf->devType == DEV_CONBEE_1)
{
if (PL_Connect(gcf->devpath, gcf->devBaudrate) == GCF_SUCCESS)
{
gcf->substate = ST_ResetFtdi;
gcf->substate(gcf, EV_ACTION);
return;
}
}
else if (gcf->devType == DEV_RASPBEE_1 || gcf->devType == DEV_RASPBEE_2)
{
if (PL_Connect(gcf->devpath, gcf->devBaudrate) == GCF_SUCCESS)
{
gcf->substate = ST_ResetRaspBee;
gcf->substate(gcf, EV_ACTION);
return;
}
}
/* pretent it worked and jump to bootloader detection */
PL_SetTimeout(500); /* for connect bootloader */
GCF_HandleEvent(gcf, EV_UART_RESET_SUCCESS);
}
else if (event == EV_FTDI_RESET_FAILED)
{
/* pretent it worked and jump to bootloader detection */
PL_SetTimeout(1); /* for connect bootloader */
GCF_HandleEvent(gcf, EV_FTDI_RESET_SUCCESS);
}
else if (event == EV_RASPBEE_RESET_FAILED)
{
/* pretent it worked and jump to bootloader detection */
PL_SetTimeout(1); /* for connect bootloader */
GCF_HandleEvent(gcf, EV_RASPBEE_RESET_SUCCESS);
}
else
{
gcf->substate(gcf, event);
}
}
static void ST_ResetUart(GCF *gcf, Event event)
{
if (event == EV_ACTION)
{
PL_SetTimeout(3000);
if (PL_Connect(gcf->devpath, gcf->devBaudrate) == GCF_SUCCESS)
{
if (gcf->task == T_RESET)
gcfCommandQueryFirmwareVersion();
gcfCommandResetUart();
}
}
else if (event == EV_RX_BTL_PKG_DATA)
{
if ((unsigned char)gcf->ascii[1] == BTL_ID_RESPONSE)
{
PL_ClearTimeout();
PL_SetTimeout(100); /* for connect bootloader */
GCF_HandleEvent(gcf, EV_UART_RESET_SUCCESS);
}
}
else if (event == EV_DISCONNECTED)
{
PL_ClearTimeout();
PL_SetTimeout(500); /* for connect bootloader */
GCF_HandleEvent(gcf, EV_UART_RESET_SUCCESS);
}
else if (event == EV_PKG_UART_RESET)
{
UI_Puts(gcf, "command UART reset done\n");
if (gcf->devType == DEV_RASPBEE_1 || gcf->devType == DEV_CONBEE_1)
{
/* due FTDI don't wait for disconnect */
PL_ClearTimeout();
GCF_HandleEvent(gcf, EV_UART_RESET_SUCCESS);
}
}
else if (event == EV_TIMEOUT)
{
UI_Puts(gcf, "command reset timeout\n");
gcf->substate = ST_Void;
PL_Disconnect();
GCF_HandleEvent(gcf, EV_UART_RESET_FAILED);
}
}
/*! FTDI reset applies only to ConBee I */
static void ST_ResetFtdi(GCF *gcf, Event event)
{
if (event == EV_ACTION)
{
if (PL_ResetFTDI(0, &gcf->devSerialNum[0]) == 0)
{
UI_Puts(gcf, "FTDI reset done\n");
GCF_HandleEvent(gcf, EV_FTDI_RESET_SUCCESS);
}
else
{
UI_Puts(gcf, "FTDI reset failed\n");
GCF_HandleEvent(gcf, EV_FTDI_RESET_FAILED);
}
}
}
/*! RaspBee reset applies only to RaspBee I & II */
static void ST_ResetRaspBee(GCF *gcf, Event event)
{
if (event == EV_ACTION)
{
if (PL_ResetRaspBee() == 0)
{
UI_Puts(gcf, "RaspBee reset done\n");
GCF_HandleEvent(gcf, EV_RASPBEE_RESET_SUCCESS);
}
else
{
UI_Puts(gcf, "RaspBee reset failed\n");
GCF_HandleEvent(gcf, EV_RASPBEE_RESET_FAILED);
}
}
}
static void gcfGetDevices(GCF *gcf)
{
int i;
int n;
U_SStream ss;
n = PL_GetDevices(&gcf->devices[0], MAX_DEVICES);
gcf->devCount = n > 0 ? (unsigned)n : 0;
if (gcf->devpath[0] != '\0' && gcf->devSerialNum[0] == '\0')
{
U_sstream_init(&ss, &gcf->devpath[0], U_strlen(&gcf->devpath[0]));
for (i = 0; i < n; i++)
{
if (gcf->devices[i].serial[0] == '\0')
continue;
if (U_sstream_find(&ss, &gcf->devices[i].path[0]) || U_sstream_find(&ss, &gcf->devices[i].stablepath[0]))
{
U_memcpy(&gcf->devSerialNum[0], &gcf->devices[i].serial[0], MAX_DEV_SERIALNR_LENGTH);
if (gcf->devBaudrate == PL_BAUDRATE_UNKNOWN)
gcf->devBaudrate = gcf->devices[i].baudrate;
break;
}
}
}
}
static void ST_ListDevices(GCF *gcf, Event event)
{
unsigned i;
Device *dev;
U_SStream *ss;
if (event == EV_ACTION)
{
gcfGetDevices(gcf);
if (gcf->devCount == 0)
{
UI_Puts(gcf, "no devices found\n");
}
UI_Puts(gcf, "Path | Serial | Type\n");
UI_Puts(gcf, "------------------+-------------+---------------\n");
for (i = 0; i < gcf->devCount; i++)
{
dev = &gcf->devices[i];
ss = UI_StringStream(gcf);
/* 1st column */
U_sstream_put_str(ss, dev->path);
for (;ss->pos < 18;)
{
U_sstream_put_str(ss, " ");
}
U_sstream_put_str(ss, "| ");
/* 2nd column */
U_sstream_put_str(ss, dev->serial);
for (;ss->pos < 32;)
{
U_sstream_put_str(ss, " ");
}
U_sstream_put_str(ss, "| ");
/* 3rd column */
U_sstream_put_str(ss, dev->name);
U_sstream_put_str(ss, "\n");
UI_Puts(gcf, ss->str);
}
PL_ShutDown();
}
}
static void ST_Program(GCF *gcf, Event event)
{
if (event == EV_ACTION)
{
gcfGetDevices(gcf);
UI_Puts(gcf, "flash firmware\n");
gcf->state = ST_Reset;
GCF_HandleEvent(gcf, event);
}
else if (event == EV_RESET_SUCCESS)
{
if (gcf->devType == DEV_RASPBEE_1 || gcf->devType == DEV_CONBEE_1)
{
PL_SetTimeout(5000);
gcf->state = ST_BootloaderQuery; /* wait for bootloader message */
}
else
{
PL_SetTimeout(500);
gcf->state = ST_BootloaderConnect;
}
}
else if (event == EV_RESET_FAILED)
{
PL_ShutDown();
}
}
static void ST_BootloaderConnect(GCF *gcf, Event event)
{
U_SStream *ss;
if (event == EV_TIMEOUT)
{
if (PL_Connect(gcf->devpath, gcf->devBaudrate) == GCF_SUCCESS)
{
gcf->state = ST_BootloaderQuery;
GCF_HandleEvent(gcf, EV_ACTION);
}
else
{
// todo retry, a couple of times and revert to gcfRetry()
PL_SetTimeout(500);
ss = UI_StringStream(gcf);
U_sstream_put_str(ss, "retry connect bootloader ");
U_sstream_put_str(ss, gcf->devpath);
U_sstream_put_str(ss, "\n");
UI_Puts(gcf, ss->str);
}
}
else if (event == EV_RX_ASCII)
{
/* short cut if we are already in bootloader */
PL_ClearTimeout();
PL_SetTimeout(100); /* for connect bootloader */
gcf->state = ST_BootloaderQuery;
gcf->substate = ST_Void;
GCF_HandleEvent(gcf, EV_RX_ASCII);
}
}
static void ST_BootloaderQuery(GCF *gcf, Event event)
{
U_SStream *ss;
U_SStream ss1;
unsigned char buf[2];
if (event == EV_ACTION)
{
gcf->retry = 0;
gcf->wp = 0;
gcf->ascii[0] = '\0';
U_bzero(&gcf->ascii[0], sizeof(gcf->ascii));
/* 1) wait for ConBee I and RaspBee I, which send ID on their own */
PL_SetTimeout(200);
}
else if (event == EV_TIMEOUT)
{
if (++gcf->retry == 3)
{
UI_Puts(gcf, "query bootloader failed\n");
gcfRetry(gcf);
}
else if (gcf->file.gcfFileType < 30)
{
/* 2) V1 Bootloader of ConBee II
Query the id here, after initial timeout. This also
catches cases where no firmware was installed.
*/
UI_Puts(gcf, "query bootloader id V1\n");
buf[0] = 'I';
buf[1] = 'D';
PROT_Write(buf, sizeof(buf));
PL_SetTimeout(200);
}
else if (gcf->file.gcfFileType >= 30)
{
/* 3) V3 Bootloader of RaspBee II, Hive
Query the id here, after initial timeout. This also
catches cases where no firmware was installed.
*/
UI_Puts(gcf, "query bootloader id V3\n");
buf[0] = BTL_MAGIC;
buf[1] = BTL_ID_REQUEST;
PROT_SendFlagged(buf, 2);
PL_SetTimeout(200);
}
}
else if (event == EV_RX_ASCII)
{
if (gcf->wp > 32 && gcf->ascii[gcf->wp - 1] == '\n')
{
U_sstream_init(&ss1, &gcf->ascii[0], gcf->wp);
if (U_sstream_find(&ss1, "Bootloader"))
{
PL_ClearTimeout();
UI_Puts(gcf, "bootloader detected\n");
gcf->state = ST_V1ProgramSync;
GCF_HandleEvent(gcf, EV_ACTION);
}
}
}
else if (event == EV_RX_BTL_PKG_DATA)
{
if ((unsigned char)gcf->ascii[1] == BTL_ID_RESPONSE)
{
unsigned long btlVersion;
unsigned long appCrc;
get_u32_le((unsigned char*)&gcf->ascii[2], &btlVersion);
get_u32_le((unsigned char*)&gcf->ascii[6], &appCrc);
ss = UI_StringStream(gcf);
U_sstream_put_str(ss, "bootloader version 0x");
U_sstream_put_u32hex(ss, btlVersion);
U_sstream_put_str(ss, ", app crc 0x");
U_sstream_put_u32hex(ss, appCrc);
U_sstream_put_str(ss, "\n\n");
UI_Puts(gcf, ss->str);
gcf->state = ST_V3ProgramSync;
GCF_HandleEvent(gcf, EV_ACTION);
}
}
else if (event == EV_DISCONNECTED)
{
gcfRetry(gcf);
}
}
static void ST_V1ProgramSync(GCF *gcf, Event event)
{
U_SStream *ss;
U_SStream ss1;
unsigned char buf[4];
if (event == EV_ACTION)
{
gcf->wp = 0;
gcf->ascii[0] = '\0';
buf[0] = 0x1A;
buf[1] = 0x1C;
buf[2] = 0xA9;
buf[3] = 0xAE;
PROT_Write(buf, sizeof(buf));
PL_SetTimeout(500);
}
else if (event == EV_RX_ASCII)
{
U_sstream_init(&ss1, &gcf->ascii[0], gcf->wp);
if (gcf->wp > 4 && U_sstream_find(&ss1, "READY"))
{
PL_ClearTimeout();
ss = UI_StringStream(gcf);
U_sstream_put_str(ss, "bootloader synced: ");
U_sstream_put_str(ss, gcf->ascii);
U_sstream_put_str(ss, "\n");
UI_Puts(gcf, ss->str);
gcf->state = ST_V1ProgramWriteHeader;
GCF_HandleEvent(gcf, EV_ACTION);
}
else
{
PL_SetTimeout(500);
}
}
else if (event == EV_TIMEOUT)
{
UI_Puts(gcf, "failed to sync bootloader\n");
gcfRetry(gcf);
}
}
static void ST_V1ProgramWriteHeader(GCF *gcf, Event event)
{
if (event == EV_ACTION)
{
unsigned char *p;
unsigned char buf[10];
gcf->wp = 0;
gcf->ascii[0] = '\0';
p = buf;
p = put_u32_le(p, &gcf->file.gcfFileSize);
p = put_u32_le(p, &gcf->file.gcfTargetAddress);
*p++ = gcf->file.gcfFileType;
*p++ = gcf->file.gcfCrc;
gcf->state = ST_V1ProgramUpload;
PROT_Write(buf, sizeof(buf));
PL_SetTimeout(1000);
}
}
static void ST_V1ProgramUpload(GCF *gcf, Event event)
{
if (event == EV_RX_ASCII)
{
unsigned char *end;
unsigned char *page;
unsigned long pageNumber;
unsigned size;
/* Firmware GET requests (6 bytes)
"GET" U16 page ";"
*/
if (gcf->wp < 6 || gcf->ascii[0] != 'G' || gcf->ascii[5] != ';')
{
return;
}
pageNumber = (unsigned char)gcf->ascii[4];
pageNumber <<= 8;
pageNumber |= (unsigned char)(gcf->ascii[3] & 0xFF);
page = &gcf->file.fcontent[GCF_HEADER_SIZE] + pageNumber * V1_PAGESIZE;
end = &gcf->file.fcontent[GCF_HEADER_SIZE + gcf->file.gcfFileSize];
Assert(page < end);
if (page >= end)
{
gcfRetry(gcf);
}
gcf->remaining = (unsigned)(end - page);
size = gcf->remaining > V1_PAGESIZE ? V1_PAGESIZE : gcf->remaining;
if (pageNumber % 20 == 0 || gcf->remaining < V1_PAGESIZE)
{
UI_UpdateProgress(gcf);
}
gcf->wp = 0;
gcf->ascii[0] = '\0';
PROT_Write(page, size);
if ((gcf->remaining - size) == 0)
{
gcf->state = ST_V1ProgramValidate;
UI_Puts(gcf, "\ndone, wait validation...\n");
PL_SetTimeout(25600);
}
else
{
PL_SetTimeout(2000);
}
}
else if (event == EV_TIMEOUT)
{
gcfRetry(gcf);
}
}
static void ST_V1ProgramValidate(GCF *gcf, Event event)
{
U_SStream ss;
if (event == EV_RX_ASCII)
{
U_sstream_init(&ss, &gcf->ascii[0], gcf->wp);
if (gcf->wp > 6 && U_sstream_find(&ss, "#VALID CRC"))
{
UI_Puts(gcf, FMT_GREEN "firmware successful written\n" FMT_RESET);
PL_ShutDown();
}
else
{
PL_SetTimeout(1000);
}
}
else if (event == EV_TIMEOUT)
{
gcfRetry(gcf);
}
}
static void ST_V3ProgramSync(GCF *gcf, Event event)
{
if (event == EV_ACTION)
{
unsigned char *p;
unsigned char cmd[] = {
BTL_MAGIC,
BTL_FW_UPDATE_REQUEST,
0x00, 0x0C, 0x00, 0x00, /* data size */
0x00, 0x00, 0x00, 0x00, /* target address */
0x00, /* file type */
0xAA, 0xAA, 0xAA, 0xAA /* crc32 */
};
PL_MSleep(50);
PL_SetTimeout(1000);
p = &cmd[2];
p = put_u32_le(p, &gcf->file.gcfFileSize);
p = put_u32_le(p, &gcf->file.gcfTargetAddress);
p = put_u8_le(p, &gcf->file.gcfFileType);
p = put_u32_le(p, &gcf->file.gcfCrc32);
(void)p;
PROT_SendFlagged(cmd, sizeof(cmd));
}
else if (event == EV_RX_BTL_PKG_DATA)
{
if ((unsigned char)gcf->ascii[1] == BTL_FW_UPDATE_RESPONSE)
{
if (gcf->ascii[2] == 0x00) /* success */
{
PL_SetTimeout(3000);
gcf->state = ST_V3ProgramUpload;
}
}
}
else if (event == EV_TIMEOUT)
{
gcfRetry(gcf);
}
}
static void ST_V3ProgramUpload(GCF *gcf, Event event)
{
U_SStream *ss;
if (event == EV_RX_BTL_PKG_DATA)
{
if ((unsigned char)gcf->ascii[1] == BTL_FW_DATA_REQUEST && gcf->wp == 8)
{
unsigned char *buf;
unsigned char *p;
unsigned long offset;
unsigned short length;
unsigned char status;
PL_SetTimeout(5000);
get_u32_le((unsigned char*)&gcf->ascii[2], &offset);
get_u16_le((unsigned char*)&gcf->ascii[6], &length);
#ifndef NDEBUG
ss = UI_StringStream(gcf);
U_sstream_put_str(ss, "BTL data request, offset: ");
U_sstream_put_long(ss, (long)offset);
U_sstream_put_str(ss, ", length: ");
U_sstream_put_long(ss, (long)length);
U_sstream_put_str(ss, "\n");
UI_Puts(gcf, ss->str);
#endif
buf = (unsigned char*)&gcf->ascii[0];
p = buf;
*p++ = BTL_MAGIC;
*p++ = BTL_FW_DATA_RESPONSE;
status = 0; // success
gcf->remaining = 0;
if ((offset + length) > gcf->file.gcfFileSize)
{
status = 1; /* error */
}
else if (length > (sizeof(gcf->ascii) - 32))
{
status = 2; /* error */
}
else if (length == 0)
{
status = 3; /* error */
}
else
{
Assert(gcf->file.gcfFileSize > offset);
gcf->remaining = (unsigned)(gcf->file.gcfFileSize - offset);
Assert(gcf->remaining < MAX_GCF_FILE_SIZE);
length = length < gcf->remaining ? length : (unsigned short)gcf->remaining;
Assert(length > 0);
}
p = put_u8_le(p, &status);
p = put_u32_le(p, &offset);
p = put_u16_le(p, &length);
if (status == 0)
{
Assert(length > 0);
U_memcpy(p, &gcf->file.fcontent[gcf->file.dataOffset + offset], length);
p += length;
}
else
{
ss = UI_StringStream(gcf);
U_sstream_put_str(ss, "failed to handle data request, status: ");
U_sstream_put_long(ss, (long)status);
U_sstream_put_str(ss, "\n");
UI_Puts(gcf, ss->str);
}
Assert(p > buf);
Assert(p < buf + sizeof(gcf->ascii));
PROT_SendFlagged(buf, (unsigned)(p - buf));
UI_UpdateProgress(gcf);
if (gcf->remaining == length)
{
UI_Puts(gcf, "\ndone, wait (up to 20 seconds) for verification\n");
PL_SetTimeout(20000);
gcf->state = ST_V3ProgramWaitID;
}
}
else
{
PL_Printf(DBG_DEBUG, "unexpected command %02X\n", (unsigned char)gcf->ascii[1]);
}
}
else if (event == EV_TIMEOUT)
{
gcfRetry(gcf);
}
}
static void ST_V3ProgramWaitID(GCF *gcf, Event event)
{
U_SStream *ss;
if (event == EV_RX_BTL_PKG_DATA)
{
if ((unsigned char)gcf->ascii[1] == BTL_ID_RESPONSE)
{
unsigned long btlVersion;
unsigned long appCrc;
get_u32_le((unsigned char*)&gcf->ascii[2], &btlVersion);
get_u32_le((unsigned char*)&gcf->ascii[6], &appCrc);
if (gcf->file.gcfCrc32 != 0)