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atusb/fw: implemented ATUSB_RESET
- board.c (board_init): disable the watchdog timer (tricky !) - board.h (reset_cpu), board.c: enable the watchdog timer to cause a CPU reset - ep0.c (my_setup): uncommented and updated ATUSB_RESET handler
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@ -61,6 +61,12 @@ void reset_rf(void)
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}
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}
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void reset_cpu(void)
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{
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WDTCSR = 1 << WDE;
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}
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uint8_t read_irq(void)
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uint8_t read_irq(void)
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{
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{
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return PIN(IRQ_RF);
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return PIN(IRQ_RF);
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@ -90,6 +96,13 @@ void panic(void)
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void board_init(void)
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void board_init(void)
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{
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{
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/* Disable the watchdog timer */
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MCUSR = 0; /* Remove override */
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WDTCSR |= 1 << WDCE; /* Enable change */
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WDTCSR = 1 << WDCE; /* Disable watchdog while still enabling
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change */
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/* We start with a 1 MHz/8 clock. Disable the prescaler. */
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/* We start with a 1 MHz/8 clock. Disable the prescaler. */
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CLKPR = 1 << CLKPCE;
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CLKPR = 1 << CLKPCE;
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@ -63,6 +63,7 @@
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void reset_rf(void);
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void reset_rf(void);
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void reset_cpu(void);
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uint8_t read_irq(void);
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uint8_t read_irq(void);
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void led(int on);
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void led(int on);
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@ -82,12 +82,10 @@ static int my_setup(const struct setup_request *setup)
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usb_send(&eps[0], buf+i, size, NULL, NULL);
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usb_send(&eps[0], buf+i, size, NULL, NULL);
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return 1;
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return 1;
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#ifdef NOTYET
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case ATUSB_TO_DEV(ATUSB_RESET):
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case ATUSB_TO_DEV(ATUSB_RESET):
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debug("ATUSB_RESET\n");
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debug("ATUSB_RESET\n");
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RSTSRC = SWRSF;
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reset_cpu();
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while (1);
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while (1);
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#endif
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case ATUSB_TO_DEV(ATUSB_RF_RESET):
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case ATUSB_TO_DEV(ATUSB_RF_RESET):
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debug("ATUSB_RF_RESET\n");
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debug("ATUSB_RF_RESET\n");
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