Start clock on F0 and F0, and handle USB interrupts.

This commit is contained in:
Nathan Conrad
2019-09-09 19:20:26 -04:00
parent d1976a30b3
commit f7b0aeec52
4 changed files with 44 additions and 3 deletions

View File

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