127 lines
3 KiB
C
127 lines
3 KiB
C
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/*
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ChibiOS/HAL - Copyright (C) 2016 Uladzimir Pylinsky aka barthess
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "ch.h"
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#include "hal.h"
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#include "usbcfg.h"
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#include "hal_usb_msd.h"
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#include "ramdisk.h"
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#include "romfs_img.h"
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#define RAMDISK_BLOCK_SIZE 512U
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#define RAMDISK_BLOCK_CNT 700U
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/*
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* Red LED blinker thread, times are in milliseconds.
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*/
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static THD_WORKING_AREA(waThread1, 128);
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static THD_FUNCTION(Thread1, arg) {
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(void)arg;
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chRegSetThreadName("blinker");
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while (true) {
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systime_t time;
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time = USBD1.state == USB_ACTIVE ? 100 : 500;
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palSetPad(GPIOB, GPIOB_LED1);
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chThdSleepMilliseconds(time);
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palClearPad(GPIOB, GPIOB_LED1);
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chThdSleepMilliseconds(time);
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}
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}
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RamDisk ramdisk;
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__attribute__((section("DATA_RAM"))) static uint8_t ramdisk_storage[RAMDISK_BLOCK_SIZE * RAMDISK_BLOCK_CNT];
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static uint8_t blkbuf[RAMDISK_BLOCK_SIZE];
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BaseSequentialStream *GlobalDebugChannel;
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static const SerialConfig sercfg = {
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115200,
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0,
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0,
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0
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};
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/*
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* Application entry point.
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*/
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int main(void) {
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/*
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* System initializations.
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* - HAL initialization, this also initializes the configured device drivers
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* and performs the board-specific initializations.
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* - Kernel initialization, the main() function becomes a thread and the
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* RTOS is active.
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*/
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halInit();
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chSysInit();
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sdStart(&SD3, &sercfg);
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GlobalDebugChannel = (BaseSequentialStream *)&SD3;
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/*
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* Activates the USB driver and then the USB bus pull-up on D+.
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* Note, a delay is inserted in order to not have to disconnect the cable
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* after a reset.
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*/
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usbDisconnectBus(&USBD1);
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chThdSleepMilliseconds(1500);
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usbStart(&USBD1, &usbcfg);
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/*
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* start RAM disk
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*/
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ramdiskObjectInit(&ramdisk);
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memset(ramdisk_storage, 0x55, sizeof(ramdisk_storage));
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osalDbgCheck(sizeof(ramdisk_storage) >= romfs_bin_len);
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memcpy(ramdisk_storage, romfs_bin, romfs_bin_len);
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ramdiskStart(&ramdisk, ramdisk_storage, RAMDISK_BLOCK_SIZE,
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RAMDISK_BLOCK_CNT, false);
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/*
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* start mass storage
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*/
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msdObjectInit(&USBMSD1);
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msdStart(&USBMSD1, &USBD1, (BaseBlockDevice *)&ramdisk, blkbuf, NULL, NULL);
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/*
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*
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*/
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usbConnectBus(&USBD1);
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/*
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* Starting threads.
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*/
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chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
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/*
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* Normal main() thread activity, in this demo it does nothing except
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* sleeping in a loop and check the button state.
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*/
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while (true) {
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chThdSleepMilliseconds(1000);
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}
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msdStop(&USBMSD1);
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}
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