1 files changed, 167 insertions, 0 deletions

diff --git a/lib/chibios-contrib/demos/STM32/RT-STM32F407-DISCOVERY-TinyUSB-CDC-MSC/main.c b/lib/chibios-contrib/demos/STM32/RT-STM32F407-DISCOVERY-TinyUSB-CDC-MSC/main.c
new file mode 100644
index 000000000..6e3aa1e21
--- /dev/null
+++ b/lib/chibios-contrib/demos/STM32/RT-STM32F407-DISCOVERY-TinyUSB-CDC-MSC/main.c
@@ -0,0 +1,167 @@
+/*
+ * 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 <string.h>
+
+#include "ch.h"
+#include "hal.h"
+#include "tusb.h"
+
+/* Blink pattern
+ * - 250 ms  : device not mounted
+ * - 1000 ms : device mounted
+ * - 2500 ms : device is suspended
+ */
+enum  {
+  BLINK_NOT_MOUNTED = 250,
+  BLINK_MOUNTED = 1000,
+  BLINK_SUSPENDED = 2500,
+};
+
+static uint16_t blink_timer = TIME_MS2I(BLINK_NOT_MOUNTED);
+
+//--------------------------------------------------------------------+
+// Device callbacks
+//--------------------------------------------------------------------+
+
+// Invoked when device is mounted
+void tud_mount_cb(void)
+{
+  blink_timer = TIME_MS2I(BLINK_MOUNTED);
+}
+
+// Invoked when device is unmounted
+void tud_umount_cb(void)
+{
+  blink_timer = TIME_MS2I(BLINK_NOT_MOUNTED);
+}
+
+// Invoked when usb bus is suspended
+// remote_wakeup_en : if host allow us  to perform remote wakeup
+// Within 7ms, device must draw an average of current less than 2.5 mA from bus
+void tud_suspend_cb(bool remote_wakeup_en)
+{
+  (void) remote_wakeup_en;
+  blink_timer = TIME_MS2I(BLINK_SUSPENDED);
+}
+
+// Invoked when usb bus is resumed
+void tud_resume_cb(void)
+{
+  blink_timer = TIME_MS2I(BLINK_MOUNTED);
+}
+
+static THD_WORKING_AREA(waUsbThread, 512);
+static THD_FUNCTION(UsbThread, arg) {
+  (void) arg;
+
+  tusb_init();
+
+  // RTOS forever loop
+  while (1)
+  {
+    // tinyusb device task
+    tud_task();
+  }
+}
+
+static THD_WORKING_AREA(waCdcThread, 256);
+static THD_FUNCTION(CdcThread, arg) {
+  (void) arg;
+
+    while (true) {
+      // connected() check for DTR bit
+      // Most but not all terminal client set this when making connection
+      // if ( tud_cdc_connected() )
+      {
+        // There are data available
+        if ( tud_cdc_available() )
+        {
+          uint8_t buf[64];
+
+          // read and echo back
+          uint32_t count = tud_cdc_read(buf, sizeof(buf));
+
+          for(uint32_t i=0; i<count; i++)
+          {
+            tud_cdc_write_char(buf[i]);
+
+            if ( buf[i] == '\r' ) tud_cdc_write_char('\n');
+          }
+
+          tud_cdc_write_flush();
+        }
+      }
+      chThdSleepMilliseconds(10);
+    }
+}
+
+// Invoked when cdc when line state changed e.g connected/disconnected
+void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts)
+{
+  (void) itf;
+  (void) rts;
+
+  // connected
+  if ( dtr )
+  {
+    // print initial message when connected
+    tud_cdc_write_str("\r\nTinyUSB CDC MSC device with FreeRTOS example\r\n");
+    tud_cdc_write_flush();
+  }
+}
+
+// Invoked when CDC interface received data from host
+void tud_cdc_rx_cb(uint8_t itf)
+{
+  (void) itf;
+}
+
+
+/*
+ * Application entry point.
+ */
+int main(void) {
+
+  /*
+   * System initializations.
+   * - HAL initialization, this also initializes the configured device drivers
+   *   and performs the board-specific initializations.
+   * - Kernel initialization, the main() function becomes a thread and the
+   *   RTOS is active.
+   */
+  halInit();
+  chSysInit();
+
+  chThdCreateStatic(waUsbThread, sizeof(waUsbThread), HIGHPRIO-1, UsbThread, NULL);
+  chThdCreateStatic(waCdcThread, sizeof(waCdcThread), HIGHPRIO-2, CdcThread, NULL);
+
+  while (1)
+  {
+    chThdSleepMilliseconds(blink_timer);
+    //palToggleLine(LINE_LED);
+  }
+}