124 lines
3.9 KiB
C
124 lines
3.9 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Ha Thach (tinyusb.org)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "bsp/board_api.h"
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#include "tusb.h"
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//--------------------------------------------------------------------+
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// STATIC GLOBALS DECLARATION
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//--------------------------------------------------------------------+
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//--------------------------------------------------------------------+
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// MACRO CONSTANT TYPEDEF PROTOTYPES
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//--------------------------------------------------------------------+
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void led_blinking_task(void);
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void midi_host_rx_task(void);
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/*------------- MAIN -------------*/
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int main(void) {
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board_init();
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printf("TinyUSB Host MIDI Example\r\n");
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// init host stack on configured roothub port
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tusb_rhport_init_t host_init = {
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.role = TUSB_ROLE_HOST,
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.speed = TUSB_SPEED_AUTO
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};
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tusb_init(BOARD_TUH_RHPORT, &host_init);
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while (1) {
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tuh_task();
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led_blinking_task();
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midi_host_rx_task();
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}
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return 0;
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}
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//--------------------------------------------------------------------+
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// Blinking Task
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//--------------------------------------------------------------------+
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void led_blinking_task(void) {
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const uint32_t interval_ms = 1000;
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static uint32_t start_ms = 0;
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static bool led_state = false;
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// Blink every interval ms
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if (board_millis() - start_ms < interval_ms) return;// not enough time
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start_ms += interval_ms;
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board_led_write(led_state);
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led_state = 1 - led_state;// toggle
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}
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//--------------------------------------------------------------------+
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// MIDI host receive task
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//--------------------------------------------------------------------+
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void midi_host_rx_task(void) {
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// nothing to do, we just print out received data in callback
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}
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//--------------------------------------------------------------------+
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// TinyUSB Callbacks
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//--------------------------------------------------------------------+
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// Invoked when device with MIDI interface is mounted.
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void tuh_midi_mount_cb(uint8_t idx, const tuh_midi_mount_cb_t* mount_cb_data) {
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printf("MIDI Interface Index = %u, Address = %u, Number of RX cables = %u, Number of TX cables = %u\r\n",
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idx, mount_cb_data->daddr, mount_cb_data->rx_cable_count, mount_cb_data->tx_cable_count);
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}
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// Invoked when device with hid interface is un-mounted
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void tuh_midi_umount_cb(uint8_t idx) {
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printf("MIDI Interface Index = %u is unmounted\r\n", idx);
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}
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void tuh_midi_rx_cb(uint8_t idx, uint32_t xferred_bytes) {
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if (xferred_bytes == 0) {
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return;
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}
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uint8_t buffer[48];
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uint8_t cable_num = 0;
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uint32_t bytes_read = tuh_midi_stream_read(idx, &cable_num, buffer, sizeof(buffer));
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printf("Cable %u rx: ", cable_num);
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for (uint32_t i = 0; i < bytes_read; i++) {
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printf("%02X ", buffer[i]);
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}
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printf("\r\n");
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}
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void tuh_midi_tx_cb(uint8_t idx, uint32_t xferred_bytes) {
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(void) idx;
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(void) xferred_bytes;
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}
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