120 lines
1.8 KiB
C
120 lines
1.8 KiB
C
#include <fx2macros.h>
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#include <fx2ints.h>
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#include <autovector.h>
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#include <delay.h>
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#include <setupdat.h>
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#ifdef DEBUG_FIRMWARE
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#include <serial.h>
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#include <stdio.h>
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#else
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#define printf(...)
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#endif
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volatile __bit dosud = FALSE;
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volatile __bit dosuspend = FALSE;
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// custom functions
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extern void main_loop();
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extern void main_init();
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void
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main()
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{
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#ifdef DEBUG_FIRMWARE
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SETCPUFREQ(CLK_48M);
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// main_init can still set this to whatever you want.
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sio0_init(57600); // needed for printf if debug defined
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#endif
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main_init();
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// set up interrupts.
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USE_USB_INTS();
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ENABLE_SUDAV();
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ENABLE_USBRESET();
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ENABLE_HISPEED();
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ENABLE_SUSPEND();
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ENABLE_RESUME();
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/* global interrupt enable */
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EA = 1;
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// iic files (c2 load) don't need to renumerate/delay
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// trm 3.6
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#ifndef NORENUM
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RENUMERATE();
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#else
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USBCS &= ~bmDISCON;
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#endif
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while (TRUE) {
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main_loop();
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if (dosud) {
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dosud = FALSE;
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handle_setupdata();
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}
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if (dosuspend) {
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dosuspend = FALSE;
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do {
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printf("I'm going to Suspend.\n");
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WAKEUPCS |= bmWU | bmWU2; // make sure ext wakeups are cleared
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SUSPEND = 1;
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PCON |= 1;
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__asm
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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__endasm;
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} while (!remote_wakeup_allowed && REMOTE_WAKEUP());
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printf("I'm going to wake up.\n");
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// resume
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// trm 6.4
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if (REMOTE_WAKEUP()) {
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delay(5);
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USBCS |= bmSIGRESUME;
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delay(15);
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USBCS &= ~bmSIGRESUME;
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}
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}
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}
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}
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void
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resume_isr() __interrupt RESUME_ISR {
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CLEAR_RESUME();
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}
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void
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sudav_isr() __interrupt SUDAV_ISR {
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dosud = TRUE;
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CLEAR_SUDAV();
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}
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void
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usbreset_isr() __interrupt USBRESET_ISR {
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handle_hispeed(FALSE);
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CLEAR_USBRESET();
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}
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void
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hispeed_isr() __interrupt HISPEED_ISR {
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handle_hispeed(TRUE);
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CLEAR_HISPEED();
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}
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void
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suspend_isr() __interrupt SUSPEND_ISR {
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dosuspend = TRUE;
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CLEAR_SUSPEND();
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}
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