1 files changed, 123 insertions, 0 deletions
diff --git a/examples/host/midi_rx/src/main.c b/examples/host/midi_rx/src/main.c
new file mode 100644
index 000000000..78b1a11b9
--- /dev/null
+++ b/examples/host/midi_rx/src/main.c
@@ -0,0 +1,123 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "bsp/board_api.h"
+#include "tusb.h"
+
+//--------------------------------------------------------------------+
+// STATIC GLOBALS DECLARATION
+//--------------------------------------------------------------------+
+
+//--------------------------------------------------------------------+
+// MACRO CONSTANT TYPEDEF PROTOTYPES
+//--------------------------------------------------------------------+
+void led_blinking_task(void);
+void midi_host_rx_task(void);
+
+/*------------- MAIN -------------*/
+int main(void) {
+  board_init();
+
+  printf("TinyUSB Host MIDI Example\r\n");
+
+  // init host stack on configured roothub port
+  tusb_rhport_init_t host_init = {
+    .role = TUSB_ROLE_HOST,
+    .speed = TUSB_SPEED_AUTO
+  };
+  tusb_init(BOARD_TUH_RHPORT, &host_init);
+
+  while (1) {
+    tuh_task();
+    led_blinking_task();
+    midi_host_rx_task();
+  }
+
+  return 0;
+}
+
+//--------------------------------------------------------------------+
+// Blinking Task
+//--------------------------------------------------------------------+
+void led_blinking_task(void) {
+  const uint32_t interval_ms = 1000;
+  static uint32_t start_ms = 0;
+
+  static bool led_state = false;
+
+  // Blink every interval ms
+  if (board_millis() - start_ms < interval_ms) return;// not enough time
+  start_ms += interval_ms;
+
+  board_led_write(led_state);
+  led_state = 1 - led_state;// toggle
+}
+
+//--------------------------------------------------------------------+
+// MIDI host receive task
+//--------------------------------------------------------------------+
+void midi_host_rx_task(void) {
+  // nothing to do, we just print out received data in callback
+}
+
+//--------------------------------------------------------------------+
+// TinyUSB Callbacks
+//--------------------------------------------------------------------+
+
+// Invoked when device with MIDI interface is mounted.
+void tuh_midi_mount_cb(uint8_t idx, const tuh_midi_mount_cb_t* mount_cb_data) {
+  printf("MIDI Interface Index = %u, Address = %u, Number of RX cables = %u, Number of TX cables = %u\r\n",
+          idx, mount_cb_data->daddr, mount_cb_data->rx_cable_count, mount_cb_data->tx_cable_count);
+}
+
+// Invoked when device with hid interface is un-mounted
+void tuh_midi_umount_cb(uint8_t idx) {
+  printf("MIDI Interface Index = %u is unmounted\r\n", idx);
+}
+
+void tuh_midi_rx_cb(uint8_t idx, uint32_t xferred_bytes) {
+  if (xferred_bytes == 0) {
+    return;
+  }
+
+  uint8_t buffer[48];
+  uint8_t cable_num = 0;
+  uint32_t bytes_read = tuh_midi_stream_read(idx, &cable_num, buffer, sizeof(buffer));
+
+  printf("Cable %u rx: ", cable_num);
+  for (uint32_t i = 0; i < bytes_read; i++) {
+    printf("%02X ", buffer[i]);
+  }
+  printf("\r\n");
+}
+
+void tuh_midi_tx_cb(uint8_t idx, uint32_t xferred_bytes) {
+  (void) idx;
+  (void) xferred_bytes;
+}