Aдикм (23.02.2009 16:59, просмотров: 7652)
:) Что бы это значило (С)
#include <msp430tc0701.h>
#include "USB_CDC_API\defTC0701.h"
#include "USB_CDC_API\types.h" // Basic Type declarations
#include "USB_CDC_API\Proj_Settings.h"
#include "USB_CDC_API\usb.h" // USB-specific functions
#include "main.h"
#include "USB_CDC_API\hal_UCS.h"
#include "USB_CDC_API\UsbCdc.h"
#include <intrinsics.h>
#include <string.h>
volatile BYTE S0_event = 0; // Button S1 event
volatile BYTE S1_event = 0; // Button S2 event
const BYTE text[] = {"CDC: Button S2 pushed !!!"};
/*----------------------------------------------------------------------------+
| Main Routine |
+----------------------------------------------------------------------------*/
VOID main(VOID)
{
WDTCTL = WDTPW + WDTHOLD; // Stop watchdog timer
//initialize device
Init_StartUp();
//init USB
USB_init();
//we observe USB cable plagging-in event
USB_setEnabledEvents(kUSB_VbusOnEvent);
//connect to USB if cable already was plagged in
if (USB_connectionStatus() & kUSB_vbusPresent)
{
if (USB_enable(USBPLL_SETCLK_4_0) == kUSB_succeed)
{
USB_reset();
USB_connect();
}
}
while(1)
{
if (USB_connectionStatus() & kUSB_suspended)
{
//if device suspended from USB - we go sleep
__bis_SR_register(LPM3_bits + GIE); // Enter LPM3 w/interrupt
__no_operation(); // Required for debugger
}
if (USB_connectionStatus() & kUSB_Enumerated) // if enumeration completed
{
if (!(USB_connectionStatus() & kUSB_suspended)) // and device not suspended
{
BYTE dataBuffer[64];
BYTE bytes_received;
if (S1_event) // board button S1 was pushed, send CDC packet
{
//WORD bytes_send = 0;
BYTE ret;
ret = USBCDC_sendData(text, sizeof(text), 1);
if (ret != kUSBCDC_sendStarted)
{
//error sending, you can try resend here...
}
//USBCDC_abortSend(&bytes_send, 1);
S1_event = 0;
}
if (S0_event)
{
S0_event = 0; //reset remotewakeup event
}
bytes_received = USBCDC_receiveData(dataBuffer, 64, 1);
if (bytes_received)
{
BYTE ret;
// toggle LED1-3 if first byte is '1' .. '7'
P8OUT = (dataBuffer[0] - '0') & 0x07;
//send data back to PC
ret = USBCDC_sendData((BYTE*)&dataBuffer, bytes_received, 1);
if (ret != kUSBCDC_sendStarted)
{
//error sending, you can try resend here...
}
}
}
} // if Enumeration completed
} // while(1)
} //main()