/* This is a common routine to setup the board */
void boardInit()
{
setupCLK();
setupLED();
setupBUTTON();
setupUSB();
}
int main() {
systemReset(); // peripherals but not PC
setupCLK();
setupLED();
setupUSB();
setupBUTTON();
setupFLASH();
strobePin(LED_BANK,LED,STARTUP_BLINKS,BLINK_FAST);
/* wait for host to upload program or halt bootloader */
bool no_user_jump = !checkUserCode(USER_CODE_FLASH) && !checkUserCode(USER_CODE_RAM) || readPin(BUTTON_BANK,BUTTON);
int delay_count = 0;
while ((delay_count++ < BOOTLOADER_WAIT)
|| no_user_jump) {
strobePin(LED_BANK,LED,1,BLINK_SLOW);
if (dfuUploadStarted()) {
dfuFinishUpload(); // systemHardReset from DFU once done
}
}
if (checkUserCode(USER_CODE_RAM)) {
jumpToUser(USER_CODE_RAM);
} else if (checkUserCode(USER_CODE_FLASH)) {
jumpToUser(USER_CODE_FLASH);
} else {
// some sort of fault occurred, hard reset
strobePin(LED_BANK,LED,5,BLINK_FAST);
systemHardReset();
}
}
int main()
{
systemReset(); // peripherals but not PC
setupCLK();
setupLED();
setupUSB();
setupBUTTON();
setupFLASH();
strobePin(LED_BANK, LED, STARTUP_BLINKS, BLINK_FAST);
/* wait for host to upload program or halt bootloader */
bool no_user_jump = (!checkUserCode(USER_CODE_RAM) && !checkUserCode(USER_CODE_FLASH0X8005000) && !checkUserCode(USER_CODE_FLASH0X8002000)) || readPin(BUTTON_BANK,BUTTON);
int delay_count = 0;
while ((delay_count++ < BOOTLOADER_WAIT) || no_user_jump)
{
strobePin(LED_BANK, LED, 1, BLINK_SLOW);
if (dfuUploadStarted())
{
dfuFinishUpload(); // systemHardReset from DFU once done
}
}
if (checkUserCode(USER_CODE_RAM))
{
jumpToUser(USER_CODE_RAM);
}
else if (checkUserCodeRam(USER_CODE_FLASH0X8002000+4))
{
int ptr;
/*
u32 *flashAdr = (u32 *)USER_CODE_FLASH0X8002000;
u32 *ramAdr = (u32 *)USER_CODE_RAM;
for (ptr = 0; ptr < ((RAM_END-USER_CODE_RAM)-1024)/4; ptr ++) {
ramAdr[ptr] = flashAdr[ptr];
}
*/
u32 const *flashAdr = (u32 const *)USER_CODE_FLASH0X8002000;
u32 *ramAdr = (u32 *)USER_CODE_RAM;
ptr = ((RAM_END-USER_CODE_RAM)-1024)>>2;
while (ptr--)
{
*ramAdr++ = *flashAdr++;
}
jumpToUser(USER_CODE_RAM);
}
int main() {
systemReset(); // peripherals but not PC
setupCLK();
setupLED();
setupBUTTON();
#ifdef STM32F2
setupDisconnectPin();
disconnectUSB();
#else
setupUSB();
setupFLASH();
#endif
strobePin(LED_BANK,LED,STARTUP_BLINKS,BLINK_FAST);
#ifdef STM32F2
// enter built in boot load if magic number found in RAM
if(*START_BOOT_LOADER_MAGIC_ADDR == START_BOOT_LOADER_MAGIC) {
connectUSB();
*START_BOOT_LOADER_MAGIC_ADDR = 0;
jumpToUser(BUILT_IN_BOOT_LOADER);
}
#endif
#ifdef FASTSTART
// for an unknown reason the loader process hangs if the button port is not read
bool pinState = readPin(BUTTON_BANK, BUTTON);
#else
bool buttonStatusHigh = TRUE;
bool buttonStatusLow = FALSE;
for(int i=0; i<10; i++) {
bool pinState = readPin(BUTTON_BANK, BUTTON);
buttonStatusHigh = buttonStatusHigh && pinState;
buttonStatusLow = buttonStatusLow || pinState;
}
/* wait for host to upload program or halt bootloader */
bool no_user_jump = (!checkUserCode(USER_CODE_FLASH) && !checkUserCode(USER_CODE_RAM))
|| buttonStatusHigh;
int delay_count = 0;
while ((delay_count++ < BOOTLOADER_WAIT) || no_user_jump) {
strobePin(LED_BANK,LED,1,BLINK_SLOW);
#ifndef STM32F2
if (dfuUploadStarted()) {
dfuFinishUpload(); // systemHardReset from DFU once done
}
#endif
}
#endif
if (checkUserCode(USER_CODE_RAM)) {
jumpToUser(USER_CODE_RAM);
} else if (checkUserCode(USER_CODE_FLASH)) {
jumpToUser(USER_CODE_FLASH);
} else {
// some sort of fault occurred, hard reset
strobePin(LED_BANK,LED,5,BLINK_FAST);
systemHardReset();
}
return 0; /* can't happen, but placate the compiler */
}
