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- #include "RelayBoard.h"
- int main(void)
- {
- SetupHardware();
- GlobalInterruptEnable();
- for (;;)
- USB_USBTask();
- }
- void SetupHardware(void)
- {
- #if (ARCH == ARCH_AVR8)
-
- MCUSR &= ~(1 << WDRF);
- wdt_disable();
-
- clock_prescale_set(clock_div_1);
- #endif
-
- USB_Init();
-
- DDRC |= ALL_RELAYS;
- PORTC &= ~ALL_RELAYS;
- }
- void EVENT_USB_Device_ControlRequest(void)
- {
- const uint8_t SerialNumber[5] = { 0, 0, 0, 0, 1 };
- uint8_t ControlData[2] = { 0, 0 };
- switch (USB_ControlRequest.bRequest)
- {
- case 0x09:
- if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
- {
- LEDs_ToggleLEDs(LEDS_LED1);
- Endpoint_ClearSETUP();
- Endpoint_Read_Control_Stream_LE(ControlData, sizeof(ControlData));
- Endpoint_ClearIN();
- switch (USB_ControlRequest.wValue)
- {
- case 0x303:
- if (ControlData[1]) PORTC &= ~RELAY1; else PORTC |= RELAY1;
- break;
- case 0x306:
- if (ControlData[1]) PORTC &= ~RELAY2; else PORTC |= RELAY2;
- break;
- case 0x309:
- if (ControlData[1]) PORTC &= ~RELAY3; else PORTC |= RELAY3;
- break;
- case 0x30c:
- if (ControlData[1]) PORTC &= ~RELAY4; else PORTC |= RELAY4;
- break;
- }
- }
- break;
- case 0x01:
- if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
- {
- LEDs_ToggleLEDs(LEDS_LED1);
- Endpoint_ClearSETUP();
- switch (USB_ControlRequest.wValue)
- {
- case 0x301:
- Endpoint_Write_Control_Stream_LE(SerialNumber, sizeof(SerialNumber));
- break;
- case 0x303:
- ControlData[1] = (PORTC & RELAY1) ? 2 : 3;
- break;
- case 0x306:
- ControlData[1] = (PORTC & RELAY2) ? 2 : 3;
- break;
- case 0x309:
- ControlData[1] = (PORTC & RELAY3) ? 2 : 3;
- break;
- case 0x30c:
- ControlData[1] = (PORTC & RELAY4) ? 2 : 3;
- break;
- }
- if (ControlData[1])
- Endpoint_Write_Control_Stream_LE(ControlData, sizeof(ControlData));
- Endpoint_ClearOUT();
- }
- break;
- }
- }
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