/**
* This is called when the kernel attaches the module.
* This is the first time the class can be expected to have kernel access.
*
* @return 0 on no action, 1 on action, -1 on failure.
*/
int8_t STM32F7USB::attached() {
if (EventReceiver::attached()) {
read_abort_event.alterScheduleRecurrence(-1);
read_abort_event.alterSchedulePeriod(50);
read_abort_event.autoClear(false);
read_abort_event.enableSchedule(true);
#if !defined (__BUILD_HAS_THREADS)
platform.kernel()->addSchedule(&read_abort_event);
#endif
reset();
if (_accumulator.count() > 0) {
TM_USBD_CDC_Puts(TM_USB_FS, (const char*)_accumulator.string());
//_tx_in_progress = true;
TM_USBD_CDC_Process(TM_USB_FS);
}
return 1;
}
return 0;
}
int main(void) {
/* Init system */
TM_RCC_InitSystem();
/* Init HAL layer */
HAL_Init();
/* Timer Init for SysTick */
timer_start();
/* Init leds */
TM_DISCO_LedInit();
/* Init delay */
TM_DELAY_Init();
/* Init USB peripheral */
TM_USB_Init();
/* Init VCP on FS port.. */
TM_USBD_CDC_Init(TM_USB_FS);
/* Start USB device mode on FS port.. */
TM_USBD_Start(TM_USB_FS);
while (1) {
/* Process USB CDC device, send remaining data if needed */
/* It is better if you call this in periodic timer, like each ms in SYSTICK handler */
TM_USBD_CDC_Process(TM_USB_FS);
/* Check if device is ready, if drivers are installed if needed on FS port */
if (TM_USBD_IsDeviceReady(TM_USB_FS) == TM_USBD_Result_Ok) {
TM_DISCO_LedOn(LED_GREEN);
} else {
TM_DISCO_LedOff(LED_GREEN);
}
/* Check if user has changed parameter for COM port */
TM_USBD_CDC_GetSettings(TM_USB_FS, &USB_FS_Settings);
/* Check if updated */
if (USB_FS_Settings.Updated) {
/* Update settings for UART here if needed */
TM_USBD_CDC_Puts(TM_USB_FS, "USB FS settings changed!\n");
}
/* Check if anything received on FS port */
if (TM_USBD_CDC_Getc(TM_USB_FS, &ch)) {
/* One character received */
/* Send it back */
/* TM_USBD_CDC_Putc(TM_USB_FS, ch); */
/* Control LEDs based on input (debug) */
switch(ch){
case '1':
TM_DISCO_LedToggle(LED_BLUE);
break;
case '2':
TM_DISCO_LedToggle(LED_ORANGE);
TM_USBD_CDC_Puts(TM_USB_FS, "Toggling Orange LED\n");
break;
case '3':
TM_DISCO_LedToggle(LED_RED);
TM_USBD_CDC_Puts(TM_USB_FS, "Toggling Red LED\n");
break;
case '4':
TM_DISCO_LedToggle(LED_GREEN);
break;
case '5':
/* Transfer Sample Audio */
trace_puts("Sending Audio Sample");
/* For now, send entire sample audio data */
/* TODO get size of sample to be transfered from serial port */
/* at 115k BAUD 800 bytes is sub 10 msec total transfer time */
for(int i = 0; i < SAMPLEAUDIO_SIZE;i++)
{
/* Need to split 16 bit samples into upper and lower bytes */
/* Note that these will need to be reconstructed in the
* processing script. Updated Buffer size to 1024 from 256 in
* USBD_CDC library file for this operation.
*/
/* Send MSB first */
TM_USBD_CDC_Putc(TM_USB_FS, Hi(SampleAudio[i]));
trace_putchar((int)Hi(SampleAudio[i]));
/* Then Send LSB */
TM_USBD_CDC_Putc(TM_USB_FS, Lo(SampleAudio[i]));
trace_putchar((int)Lo(SampleAudio[i]));
}
break;
default:
break;
}
}
//Wait for next system tick
while (g_SysTick_Flag == 0){};
g_SysTick_Flag = 0;
TM_DISCO_LedToggle(LED_BLUE);
}
}
int main(void) {
/* Init system */
TM_RCC_InitSystem();
/* Init HAL layer */
HAL_Init();
/* Init leds */
TM_DISCO_LedInit();
/* Init delay */
TM_DELAY_Init();
/* Init USB peripheral */
TM_USB_Init();
/* Init VCP on FS and HS ports.. */
TM_USBD_CDC_Init(TM_USB_FS);
TM_USBD_CDC_Init(TM_USB_HS);
/* ..or use single call for both modes */
//TM_USBD_CDC_Init(TM_USB_Both);
/* Start USB device mode on FS and HS ports.. */
TM_USBD_Start(TM_USB_FS);
TM_USBD_Start(TM_USB_HS);
/* .. or use single call for both modes */
//TM_USBD_Start(TM_USB_Both);
while (1) {
/* Process USB CDC device, send remaining data if needed */
/* It is better if you call this in periodic timer, like each ms in SYSTICK handler */
TM_USBD_CDC_Process(TM_USB_Both);
/* Check if device is ready, if drivers are installed if needed on FS port */
if (TM_USBD_IsDeviceReady(TM_USB_FS) == TM_USBD_Result_Ok) {
TM_DISCO_LedOn(LED_GREEN);
} else {
TM_DISCO_LedOff(LED_GREEN);
}
/* Check if user has changed parameter for COM port */
TM_USBD_CDC_GetSettings(TM_USB_FS, &USB_FS_Settings);
/* Check if updated */
if (USB_FS_Settings.Updated) {
/* Update settings for UART here if needed */
TM_USBD_CDC_Puts(TM_USB_FS, "USB FS settings changed!\n");
}
/* Check if anything received on FS port */
if (TM_USBD_CDC_Getc(TM_USB_FS, &ch)) {
/* One character received */
/* Send it back */
TM_USBD_CDC_Putc(TM_USB_FS, ch);
}
/* Check if device is ready, if drivers are installed if needed on HS port */
if (TM_USBD_IsDeviceReady(TM_USB_HS) == TM_USBD_Result_Ok) {
//TM_DISCO_LedOn(LED_GREEN);
} else {
//TM_DISCO_LedOff(LED_GREEN);
}
/* Check if any string received on HS port */
if (TM_USBD_CDC_Gets(TM_USB_HS, string_array, sizeof(string_array))) {
/* One character received */
/* Send it back */
TM_USBD_CDC_Puts(TM_USB_HS, string_array);
}
}
}
