/* * Copyright (c) Pavol Rusnak, SatoshiLabs * * Licensed under TREZOR License * see LICENSE file for details */ extern struct _USBD_HandleTypeDef hUSBDDevice; extern uint8_t USBD_HID_SendReport(struct _USBD_HandleTypeDef *pdev, uint8_t *report, uint16_t len); extern int USBD_HID_Rx(uint8_t *buf, uint32_t len, uint32_t timeout); void msg_init(void) { } ssize_t msg_recv(uint8_t *iface, uint8_t *buf, size_t len) { *iface = 0; // TODO: return proper interface return USBD_HID_Rx(buf, len, 1); } ssize_t msg_send(uint8_t iface, const uint8_t *buf, size_t len) { (void)iface; // TODO: ignore interface for now if (len > 0) { USBD_HID_SendReport(&hUSBDDevice, (uint8_t *)buf, len); } return len; }