1 files changed, 160 insertions, 0 deletions
diff --git a/testhal/STM32/STM32L4xx/USB_CDC/main.c b/testhal/STM32/STM32L4xx/USB_CDC/main.c
new file mode 100644
index 000000000..79e4e8687
--- /dev/null
+++ b/testhal/STM32/STM32L4xx/USB_CDC/main.c
@@ -0,0 +1,160 @@
+/*
+    ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+#include <stdio.h>
+#include <string.h>
+
+#include "ch.h"
+#include "hal.h"
+
+#include "shell.h"
+#include "chprintf.h"
+
+#include "usbcfg.h"
+
+/*===========================================================================*/
+/* Command line related.                                                     */
+/*===========================================================================*/
+
+#define SHELL_WA_SIZE   THD_WORKING_AREA_SIZE(2048)
+
+/* Can be measured using dd if=/dev/xxxx of=/dev/null bs=512 count=10000.*/
+static void cmd_write(BaseSequentialStream *chp, int argc, char *argv[]) {
+  static uint8_t buf[] =
+      "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+      "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+      "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+      "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+      "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+      "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+      "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+      "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+      "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+      "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+      "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+      "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+      "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+      "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+      "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+      "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef";
+
+  (void)argv;
+  if (argc > 0) {
+    chprintf(chp, "Usage: write\r\n");
+    return;
+  }
+
+  while (chnGetTimeout((BaseChannel *)chp, TIME_IMMEDIATE) == Q_TIMEOUT) {
+#if 1
+    /* Writing in channel mode.*/
+    chnWrite(&SDU1, buf, sizeof buf - 1);
+#else
+    /* Writing in buffer mode.*/
+    (void) obqGetEmptyBufferTimeout(&SDU1.obqueue, TIME_INFINITE);
+    memcpy(SDU1.obqueue.ptr, buf, SERIAL_USB_BUFFERS_SIZE);
+    obqPostFullBuffer(&SDU1.obqueue, SERIAL_USB_BUFFERS_SIZE);
+#endif
+  }
+  chprintf(chp, "\r\n\nstopped\r\n");
+}
+
+static const ShellCommand commands[] = {
+  {"write", cmd_write},
+  {NULL, NULL}
+};
+
+static const ShellConfig shell_cfg1 = {
+  (BaseSequentialStream *)&SDU1,
+  commands
+};
+
+/*===========================================================================*/
+/* Generic code.                                                             */
+/*===========================================================================*/
+
+/*
+ * LED blinker thread, times are in milliseconds.
+ */
+static THD_WORKING_AREA(waThread1, 128);
+static THD_FUNCTION(Thread1, arg) {
+
+  (void)arg;
+  chRegSetThreadName("blinker");
+  while (true) {
+    systime_t time;
+
+    time = serusbcfg.usbp->state == USB_ACTIVE ? 250 : 500;
+    palClearLine(LINE_LED_GREEN);
+    chThdSleepMilliseconds(time);
+    palSetLine(LINE_LED_GREEN);
+    chThdSleepMilliseconds(time);
+  }
+}
+
+/*
+ * 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();
+
+  /*
+   * Initializes a serial-over-USB CDC driver.
+   */
+  sduObjectInit(&SDU1);
+  sduStart(&SDU1, &serusbcfg);
+
+  /*
+   * Activates the USB driver and then the USB bus pull-up on D+.
+   * Note, a delay is inserted in order to not have to disconnect the cable
+   * after a reset.
+   */
+  usbDisconnectBus(serusbcfg.usbp);
+  chThdSleepMilliseconds(1500);
+  usbStart(serusbcfg.usbp, &usbcfg);
+  usbConnectBus(serusbcfg.usbp);
+
+  /*
+   * Shell manager initialization.
+   */
+  shellInit();
+
+  /*
+   * Creates the blinker thread.
+   */
+  chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
+
+  /*
+   * Normal main() thread activity, spawning shells.
+   */
+  while (true) {
+    if (SDU1.config->usbp->state == USB_ACTIVE) {
+      thread_t *shelltp = chThdCreateFromHeap(NULL, SHELL_WA_SIZE,
+                                              "shell", NORMALPRIO + 1,
+                                              shellThread, (void *)&shell_cfg1);
+      chThdWait(shelltp);               /* Waiting termination.             */
+    }
+    chThdSleepMilliseconds(1000);
+  }
+}