mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
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78 lines
1.5 KiB
C
78 lines
1.5 KiB
C
#include "sd_over_usb.h"
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//extern usb_request_handlers_t usb_request_handlers;
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usb_request_status_t dummy(
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usb_endpoint_t* const endpoint,
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const usb_transfer_stage_t stage)
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{
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(void)(endpoint);
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(void)(stage);
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return USB_REQUEST_STATUS_OK;
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}
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static usb_request_handler_fn vendor_request_handler[] = {
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NULL,
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dummy // USB_WCID_VENDOR_REQ
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};
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static const uint32_t vendor_request_handler_count =
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sizeof(vendor_request_handler) / sizeof(vendor_request_handler[0]);
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usb_request_status_t usb_vendor_request(
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usb_endpoint_t* const endpoint,
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const usb_transfer_stage_t stage)
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{
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usb_request_status_t status = USB_REQUEST_STATUS_STALL;
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if (endpoint->setup.request < vendor_request_handler_count) {
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usb_request_handler_fn handler =
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vendor_request_handler[endpoint->setup.request];
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if (handler) {
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status = handler(endpoint, stage);
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}
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}
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return status;
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}
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const usb_request_handlers_t usb_request_handlers = {
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.standard = usb_standard_request,
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.class = 0,
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.vendor = usb_vendor_request,
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.reserved = 0,
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};
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void start_usb(void) {
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usb_peripheral_reset();
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usb_device_init(0, &usb_device);
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usb_queue_init(&usb_endpoint_control_out_queue);
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usb_queue_init(&usb_endpoint_control_in_queue);
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usb_queue_init(&usb_endpoint_bulk_out_queue);
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usb_queue_init(&usb_endpoint_bulk_in_queue);
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usb_endpoint_init(&usb_endpoint_control_out);
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usb_endpoint_init(&usb_endpoint_control_in);
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nvic_set_priority(NVIC_USB0_IRQ, 255);
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usb_run(&usb_device);
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}
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void stop_usb(void) {
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usb_peripheral_reset();
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}
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void irq_usb(void) {
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usb0_isr();
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}
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