// Application Main program
__NO_RETURN void app_main (void *argument) {
(void)argument;
DAP_Setup(); // DAP Setup
USBD_Initialize(0U); // USB Device Initialization
USBD_Connect(0U); // USB Device Connect
while (!USBD_Configured(0U)); // Wait for USB Device to configure
LED_CONNECTED_OUT(1U); // Turn on Debugger Connected LED
LED_RUNNING_OUT(1U); // Turn on Target Running LED
Delayms(500U); // Wait for 500ms
LED_RUNNING_OUT(0U); // Turn off Target Running LED
LED_CONNECTED_OUT(0U); // Turn off Debugger Connected LED
// Create DAP Thread
DAP_ThreadId = osThreadNew(DAP_Thread, NULL, &DAP_ThreadAttr);
// Create SWO Thread
SWO_ThreadId = osThreadNew(SWO_Thread, NULL, &SWO_ThreadAttr);
osDelay(osWaitForever);
for (;;) {};
}
int main (void)
{
USB_Init();
ProtocolInit();
// Connect
in[0] = XLINK_MODE_SWD;
XLINK_Connect(in, out);
// Out sequence
in[0] = sizeof(jtag2swd) * 8;
memcpy(in + 1, jtag2swd, sizeof(jtag2swd));
XLINK_SWJ_Sequence(in, out);
// Read ID
do {
id = 0;
in[0] = 0;
in[1] = 1;
in[2] = 0;
in[3] = 1 << 1;
XLINK_SWDTransferBlock(in, out);
id = *(unsigned long *)&out[3];
}while ((id & 0xFFF) == 0x477);
LED_CONNECTED_OUT(0);
LED_RUNNING_OUT(0);
USB_Connect(__FALSE);
USB_Connect(__TRUE);
while (!USB_configured()) {
LED_CONNECTED_OUT(0);
LED_RUNNING_OUT(0);
Delayms(50);
LED_CONNECTED_OUT(1);
LED_RUNNING_OUT(1);
Delayms(50);
}
LED_CONNECTED_OUT(1);
LED_RUNNING_OUT(1);
while (1) {
USB_ProcessCommand();
}
}
// Process USB HID Data
void usbd_hid_process (void) {
uint32_t n;
// Process pending requests
if ((USB_RequestOut != USB_RequestIn) || USB_RequestFlag) {
LED_CONNECTED_OUT(1);
// Process DAP Command and prepare response
DAP_ProcessCommand(USB_Request[USB_RequestOut], USB_Response[USB_ResponseIn]);
// Update request index and flag
n = USB_RequestOut + 1;
if (n == DAP_PACKET_COUNT) {
n = 0;
}
USB_RequestOut = n;
if (USB_RequestOut == USB_RequestIn) {
USB_RequestFlag = 0;
}
if (USB_ResponseIdle) {
// Request that data is send back to host
USB_ResponseIdle = 0;
usbd_hid_get_report_trigger(0, USB_Response[USB_ResponseIn], DAP_PACKET_SIZE);
} else {
// Update response index and flag
n = USB_ResponseIn + 1;
if (n == DAP_PACKET_COUNT) {
n = 0;
}
USB_ResponseIn = n;
if (USB_ResponseIn == USB_ResponseOut) {
USB_ResponseFlag = 1;
}
}
}
else
{
LED_CONNECTED_OUT(0);
}
}
// Main program
int main (void) {
DAP_Setup(); // DAP Setup
USBD_Initialize(0U); // USB Device Initialization
USBD_Connect(0U); // USB Device Connect
while (!USBD_Configured(0U)); // Wait for USB Device to configure
LED_CONNECTED_OUT(1U); // Turn on Debugger Connected LED
LED_RUNNING_OUT(1U); // Turn on Target Running LED
Delayms(500U); // Wait for 500ms
LED_RUNNING_OUT(0U); // Turn off Target Running LED
LED_CONNECTED_OUT(0U); // Turn off Debugger Connected LED
// Create HID Thread
HID0_ThreadId = osThreadCreate(osThread(HID0_Thread), NULL);
osThreadSetPriority(osThreadGetId(), osPriorityIdle);
for (;;); // Endless Loop
}
// Process Host Status command and prepare response
// request: pointer to request data
// response: pointer to response data
// return: number of bytes in response
static uint32_t DAP_HostStatus(uint8_t *request, uint8_t *response) {
switch (*request) {
case DAP_DEBUGGER_CONNECTED:
LED_CONNECTED_OUT((*(request+1) & 1));
break;
case DAP_TARGET_RUNNING:
LED_RUNNING_OUT((*(request+1) & 1));
break;
default:
*response = DAP_ERROR;
return (1);
}
*response = DAP_OK;
return (1);
}
