127 lines
3 KiB
C
127 lines
3 KiB
C
/*
|
|
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];
|
|
|
|
BaseSequentialStream *GlobalDebugChannel;
|
|
|
|
static const SerialConfig sercfg = {
|
|
115200,
|
|
0,
|
|
0,
|
|
0
|
|
};
|
|
|
|
/*
|
|
* 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();
|
|
|
|
sdStart(&SD3, &sercfg);
|
|
GlobalDebugChannel = (BaseSequentialStream *)&SD3;
|
|
|
|
/*
|
|
* 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);
|
|
|
|
/*
|
|
* 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, NULL);
|
|
|
|
/*
|
|
*
|
|
*/
|
|
usbConnectBus(&USBD1);
|
|
|
|
/*
|
|
* 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);
|
|
}
|