/// Handle USB control requests
bool EVENT_USB_Device_ControlRequest(USB_Request_Header_t* req){
if ((req->bmRequestType & CONTROL_REQTYPE_TYPE) == REQTYPE_VENDOR){
switch (req->bRequest){
case REQ_INFO:
fillInfoStruct();
USB_ep0_send(sizeof(BootloaderInfo));
return true;
case REQ_ERASE:
SP_EraseApplicationSection();
USB_ep0_send(0);
return true;
case REQ_START_WRITE:
page = req->wIndex;
pageOffs = 0;
USB_ep_out_start(1, pageBuf);
USB_ep0_send(0);
return true;
case REQ_CRC_APP:
*(uint32_t*)ep0_buf_in = SP_ApplicationCRC();
USB_ep0_send(sizeof(uint32_t));
return true;
case REQ_CRC_BOOT:
*(uint32_t*)ep0_buf_in = SP_BootCRC();
USB_ep0_send(sizeof(uint32_t));
return true;
case REQ_RESET:
USB_ep0_send(0);
USB_ep0_wait_for_complete();
_delay_us(10000);
USB_Detach();
bootloaderflag = 0;
cli();
_delay_us(100000); // 0.1s
CCP = CCP_IOREG_gc;
RST.CTRL = RST_SWRST_bm;
while(1){};
return true;
}
}
return false;
}
/** Event handler for the library USB Control Request reception event. */
bool EVENT_USB_Device_ControlRequest(USB_Request_Header_t* req){
usb_cmd = 0;
if ((req->bmRequestType & CONTROL_REQTYPE_TYPE) == REQTYPE_VENDOR){
switch(req->bRequest){
case 0x00: // Info
if (req->wIndex == 0){
USB_ep0_send_progmem((uint8_t*)hwversion, sizeof(hwversion));
}else if (req->wIndex == 1){
USB_ep0_send_progmem((uint8_t*)fwversion, sizeof(fwversion));
}
return true;
case 0xA0: // read ADC
readADC((IN_sample *) ep0_buf_in);
USB_ep0_send(sizeof(IN_sample));
return true;
case 0xAA: // write to channel A
writeChannel(0, req->wIndex, req->wValue);
USB_ep0_send(0);
return true;
case 0xAB: // write to channel B
writeChannel(1, req->wIndex, req->wValue);
USB_ep0_send(0);
return true;
case 0x65: // set gains
switch (req->wIndex){
case 0x00:
ADCA.CH0.CTRL = ADC_CH_INPUTMODE_DIFFWGAIN_gc | req->wValue; // VS-A
break;
case 0x01:
ADCA.CH1.CTRL = ADC_CH_INPUTMODE_DIFFWGAIN_gc | req->wValue; // ADC-A
break;
case 0x02:
ADCA.CH2.CTRL = ADC_CH_INPUTMODE_DIFFWGAIN_gc | req->wValue; // ADC-B
break;
case 0x03:
ADCA.CH3.CTRL = ADC_CH_INPUTMODE_DIFFWGAIN_gc | req->wValue; // VS-B
break;
}
USB_ep0_send(0);
return true;
case 0x15: // ISet
DACB.CH0DATA = req->wValue;
DACB.CH1DATA = req->wIndex;
USB_ep0_send(0);
return true;
case 0x80: // Configure sampling
configureSampling(req->wIndex /*mode*/ , req->wValue /*period*/);
USB_ep0_send(0);
return true;
case 0xE0: // Read EEPROM
eeprom_read_block(ep0_buf_in, (void*)(req->wIndex*64), 64);
USB_ep0_send(64);
return true;
case 0xE1: // Write EEPROM
usb_cmd = req->bRequest;
cmd_data = req->wIndex;
USB_ep0_send(0);
return true; // Wait for OUT data (expecting an OUT transfer)
case 0xBB: // disconnect from USB, jump to bootloader
cli();
PMIC.CTRL = 0;
USB_ep0_send(0);
USB_ep0_wait_for_complete();
_delay_us(10000);
USB_Detach();
void (*enter_bootloader)(void) = (void *) 0x47fc /*0x8ff8/2*/;
enter_bootloader();
return true;
}
}
return false;
}
