USB_MSD. Initial commit.

1 files changed, 110 insertions, 0 deletions

diff --git a/testhal/STM32/STM32F7xx/USB_MSD/main.c b/testhal/STM32/STM32F7xx/USB_MSD/main.c
new file mode 100644
index 0000000..2d17088
--- /dev/null
+++ b/testhal/STM32/STM32F7xx/USB_MSD/main.c
@@ -0,0 +1,110 @@
+/*
+    ChibiOS/HAL - Copyright (C) 2016 Uladzimir Pylinsky aka barthess
+
+    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 "usbcfg.h"
+#include "hal_usb_msd.h"
+
+#include "ramdisk.h"
+#include "romfs_img.h"
+
+#define RAMDISK_BLOCK_SIZE    512U
+#define RAMDISK_BLOCK_CNT     700U
+
+/*
+ * Red 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 = USBD1.state == USB_ACTIVE ? 100 : 500;
+    palSetPad(GPIOB, GPIOB_LED1);
+    chThdSleepMilliseconds(time);
+    palClearPad(GPIOB, GPIOB_LED1);
+    chThdSleepMilliseconds(time);
+  }
+}
+
+RamDisk ramdisk;
+__attribute__((section("DATA_RAM"))) static uint8_t ramdisk_storage[RAMDISK_BLOCK_SIZE * RAMDISK_BLOCK_CNT];
+static uint8_t blkbuf[RAMDISK_BLOCK_SIZE];
+
+/*
+ * 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();
+
+  /*
+   * 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(&USBD1);
+  chThdSleepMilliseconds(1500);
+  usbStart(&USBD1, &usbcfg);
+  usbConnectBus(&USBD1);
+
+  /*
+   * start RAM disk
+   */
+  ramdiskObjectInit(&ramdisk);
+  memset(ramdisk_storage, 0x55, sizeof(ramdisk_storage));
+  osalDbgCheck(sizeof(ramdisk_storage) >= romfs_bin_len);
+  memcpy(ramdisk_storage, romfs_bin, romfs_bin_len);
+  ramdiskStart(&ramdisk, ramdisk_storage, RAMDISK_BLOCK_SIZE,
+               RAMDISK_BLOCK_CNT, false);
+
+  /*
+   * start mass storage
+   */
+  msdObjectInit(&USBMSD1);
+  msdStart(&USBMSD1, &USBD1, (BaseBlockDevice *)&ramdisk, blkbuf, NULL);
+
+  /*
+   * Starting threads.
+   */
+  chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
+
+  /*
+   * Normal main() thread activity, in this demo it does nothing except
+   * sleeping in a loop and check the button state.
+   */
+  while (true) {
+    chThdSleepMilliseconds(1000);
+  }
+
+  msdStop(&USBMSD1);
+}