Start clock on F0 and F0, and handle USB interrupts.
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@@ -86,6 +86,10 @@ void board_init(void)
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct);
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// Start USB clock
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__HAL_RCC_USB_CLK_ENABLE();
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#if 0
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RCC->AHB2ENR |= RCC_AHB2ENR_OTGFSEN;
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@@ -105,6 +109,31 @@ void board_init(void)
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#endif
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}
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// USB defaults to using interrupts 19, 20, and 42 (based on SYSCFG_CFGR1.USB_IT_RMP)
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// FIXME: Do all three need to be handled, or just the LP one?
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void dcd_fs_irqHandler(void);
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// USB high-priority interrupt (Channel 19): Triggered only by a correct
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// transfer event for isochronous and double-buffer bulk transfer to reach
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// the highest possible transfer rate.
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void USB_HP_CAN_TX_IRQHandler(void)
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{
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dcd_fs_irqHandler();
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}
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// USB low-priority interrupt (Channel 20): Triggered by all USB events
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// (Correct transfer, USB reset, etc.). The firmware has to check the
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// interrupt source before serving the interrupt.
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void USB_LP_CAN_RX0_IRQHandler(void)
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{
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dcd_fs_irqHandler();
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}
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// USB wakeup interrupt (Channel 42): Triggered by the wakeup event from the USB
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// Suspend mode.
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void USBWakeUp_IRQHandler(void)
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{
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dcd_fs_irqHandler();
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}
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//--------------------------------------------------------------------+
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// Board porting API
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//--------------------------------------------------------------------+
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