2022-10-20 12:30:14 +00:00
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#include <usb.h>
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#include "stm32f3xx_hal.h"
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#include "tusb.h"
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#include "usb_serial.h"
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2022-10-23 13:38:44 +00:00
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#include "usb_audio.h"
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2022-10-20 12:30:14 +00:00
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// FIXME: Do all three need to be handled, or just the LP one?
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// USB high-priority interrupt (Channel 74): 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_IRQHandler(void)
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{
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tud_int_handler(0);
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}
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// USB low-priority interrupt (Channel 75): 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_IRQHandler(void)
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{
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tud_int_handler(0);
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}
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// USB wakeup interrupt (Channel 76): Triggered by the wakeup event from the USB
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// Suspend mode.
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void USBWakeUp_RMP_IRQHandler(void)
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{
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tud_int_handler(0);
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}
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void USB_Init(void)
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{
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__HAL_REMAPINTERRUPT_USB_ENABLE();
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/* Configure USB DM and DP pins */
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__HAL_RCC_GPIOA_CLK_ENABLE();
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GPIO_InitTypeDef GPIO_InitStruct;
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GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12);
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF14_USB;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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// Enable USB clock
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__HAL_RCC_USB_CLK_ENABLE();
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// Init classes
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USB_SerialInit();
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2022-10-23 13:38:44 +00:00
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USB_AudioInit();
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2022-10-20 12:30:14 +00:00
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// Start USB Stack
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tud_init(BOARD_TUD_RHPORT);
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}
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void USB_Task(void)
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{
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USB_SerialTask();
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tud_task();
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}
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