689 lines
20 KiB
C
689 lines
20 KiB
C
/*
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ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
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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 "test.h"
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#include "chprintf.h"
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#include "shell.h"
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#include "lwipthread.h"
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#include "web/web.h"
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#include "ff.h"
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/*===========================================================================*/
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/* Card insertion monitor. */
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/*===========================================================================*/
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#define POLLING_INTERVAL 10
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#define POLLING_DELAY 10
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/**
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* @brief Card monitor timer.
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*/
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static virtual_timer_t tmr;
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/**
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* @brief Debounce counter.
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*/
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static unsigned cnt;
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/**
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* @brief Card event sources.
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*/
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static event_source_t inserted_event, removed_event;
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/**
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* @brief Insertion monitor timer callback function.
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*
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* @param[in] p pointer to the @p BaseBlockDevice object
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*
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* @notapi
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*/
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static void tmrfunc(void *p) {
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BaseBlockDevice *bbdp = p;
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chSysLockFromISR();
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if (cnt > 0) {
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if (blkIsInserted(bbdp)) {
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if (--cnt == 0) {
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chEvtBroadcastI(&inserted_event);
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}
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}
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else
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cnt = POLLING_INTERVAL;
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}
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else {
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if (!blkIsInserted(bbdp)) {
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cnt = POLLING_INTERVAL;
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chEvtBroadcastI(&removed_event);
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}
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}
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chVTSetI(&tmr, MS2ST(POLLING_DELAY), tmrfunc, bbdp);
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chSysUnlockFromISR();
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}
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/**
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* @brief Polling monitor start.
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*
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* @param[in] p pointer to an object implementing @p BaseBlockDevice
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*
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* @notapi
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*/
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static void tmr_init(void *p) {
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chEvtObjectInit(&inserted_event);
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chEvtObjectInit(&removed_event);
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chSysLock();
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cnt = POLLING_INTERVAL;
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chVTSetI(&tmr, MS2ST(POLLING_DELAY), tmrfunc, p);
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chSysUnlock();
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}
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/*===========================================================================*/
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/* FatFs related. */
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/*===========================================================================*/
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/**
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* @brief FS object.
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*/
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static FATFS SDC_FS;
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/* FS mounted and ready.*/
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static bool fs_ready = FALSE;
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/* Generic large buffer.*/
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static uint8_t fbuff[1024];
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static FRESULT scan_files(BaseSequentialStream *chp, char *path) {
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FRESULT res;
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FILINFO fno;
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DIR dir;
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int i;
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char *fn;
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#if _USE_LFN
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fno.lfname = 0;
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fno.lfsize = 0;
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#endif
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res = f_opendir(&dir, path);
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if (res == FR_OK) {
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i = strlen(path);
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for (;;) {
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res = f_readdir(&dir, &fno);
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if (res != FR_OK || fno.fname[0] == 0)
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break;
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if (fno.fname[0] == '.')
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continue;
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fn = fno.fname;
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if (fno.fattrib & AM_DIR) {
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path[i++] = '/';
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strcpy(&path[i], fn);
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res = scan_files(chp, path);
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if (res != FR_OK)
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break;
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path[--i] = 0;
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}
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else {
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chprintf(chp, "%s/%s\r\n", path, fn);
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}
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}
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}
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return res;
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}
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/*===========================================================================*/
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/* USB related stuff. */
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/*===========================================================================*/
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/*
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* Endpoints to be used for USBD2.
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*/
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#define USBD2_DATA_REQUEST_EP 1
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#define USBD2_DATA_AVAILABLE_EP 1
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#define USBD2_INTERRUPT_REQUEST_EP 2
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/*
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* Serial over USB Driver structure.
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*/
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static SerialUSBDriver SDU2;
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/*
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* USB Device Descriptor.
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*/
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static const uint8_t vcom_device_descriptor_data[18] = {
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USB_DESC_DEVICE (0x0110, /* bcdUSB (1.1). */
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0x02, /* bDeviceClass (CDC). */
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0x00, /* bDeviceSubClass. */
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0x00, /* bDeviceProtocol. */
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0x40, /* bMaxPacketSize. */
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0x0483, /* idVendor (ST). */
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0x5740, /* idProduct. */
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0x0200, /* bcdDevice. */
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1, /* iManufacturer. */
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2, /* iProduct. */
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3, /* iSerialNumber. */
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1) /* bNumConfigurations. */
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};
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/*
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* Device Descriptor wrapper.
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*/
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static const USBDescriptor vcom_device_descriptor = {
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sizeof vcom_device_descriptor_data,
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vcom_device_descriptor_data
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};
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/* Configuration Descriptor tree for a CDC.*/
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static const uint8_t vcom_configuration_descriptor_data[67] = {
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/* Configuration Descriptor.*/
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USB_DESC_CONFIGURATION(67, /* wTotalLength. */
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0x02, /* bNumInterfaces. */
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0x01, /* bConfigurationValue. */
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0, /* iConfiguration. */
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0xC0, /* bmAttributes (self powered). */
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50), /* bMaxPower (100mA). */
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/* Interface Descriptor.*/
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USB_DESC_INTERFACE (0x00, /* bInterfaceNumber. */
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0x00, /* bAlternateSetting. */
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0x01, /* bNumEndpoints. */
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0x02, /* bInterfaceClass (Communications
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Interface Class, CDC section
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4.2). */
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0x02, /* bInterfaceSubClass (Abstract
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Control Model, CDC section 4.3). */
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0x01, /* bInterfaceProtocol (AT commands,
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CDC section 4.4). */
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0), /* iInterface. */
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/* Header Functional Descriptor (CDC section 5.2.3).*/
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USB_DESC_BYTE (5), /* bLength. */
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USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
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USB_DESC_BYTE (0x00), /* bDescriptorSubtype (Header
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Functional Descriptor. */
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USB_DESC_BCD (0x0110), /* bcdCDC. */
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/* Call Management Functional Descriptor. */
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USB_DESC_BYTE (5), /* bFunctionLength. */
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USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
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USB_DESC_BYTE (0x01), /* bDescriptorSubtype (Call Management
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Functional Descriptor). */
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USB_DESC_BYTE (0x00), /* bmCapabilities (D0+D1). */
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USB_DESC_BYTE (0x01), /* bDataInterface. */
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/* ACM Functional Descriptor.*/
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USB_DESC_BYTE (4), /* bFunctionLength. */
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USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
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USB_DESC_BYTE (0x02), /* bDescriptorSubtype (Abstract
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Control Management Descriptor). */
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USB_DESC_BYTE (0x02), /* bmCapabilities. */
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/* Union Functional Descriptor.*/
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USB_DESC_BYTE (5), /* bFunctionLength. */
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USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
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USB_DESC_BYTE (0x06), /* bDescriptorSubtype (Union
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Functional Descriptor). */
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USB_DESC_BYTE (0x00), /* bMasterInterface (Communication
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Class Interface). */
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USB_DESC_BYTE (0x01), /* bSlaveInterface0 (Data Class
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Interface). */
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/* Endpoint 2 Descriptor.*/
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USB_DESC_ENDPOINT (USBD2_INTERRUPT_REQUEST_EP|0x80,
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0x03, /* bmAttributes (Interrupt). */
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0x0008, /* wMaxPacketSize. */
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0xFF), /* bInterval. */
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/* Interface Descriptor.*/
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USB_DESC_INTERFACE (0x01, /* bInterfaceNumber. */
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0x00, /* bAlternateSetting. */
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0x02, /* bNumEndpoints. */
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0x0A, /* bInterfaceClass (Data Class
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Interface, CDC section 4.5). */
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0x00, /* bInterfaceSubClass (CDC section
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4.6). */
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0x00, /* bInterfaceProtocol (CDC section
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4.7). */
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0x00), /* iInterface. */
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/* Endpoint 3 Descriptor.*/
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USB_DESC_ENDPOINT (USBD2_DATA_AVAILABLE_EP, /* bEndpointAddress.*/
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0x02, /* bmAttributes (Bulk). */
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0x0040, /* wMaxPacketSize. */
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0x00), /* bInterval. */
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/* Endpoint 1 Descriptor.*/
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USB_DESC_ENDPOINT (USBD2_DATA_REQUEST_EP|0x80, /* bEndpointAddress.*/
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0x02, /* bmAttributes (Bulk). */
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0x0040, /* wMaxPacketSize. */
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0x00) /* bInterval. */
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};
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/*
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* Configuration Descriptor wrapper.
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*/
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static const USBDescriptor vcom_configuration_descriptor = {
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sizeof vcom_configuration_descriptor_data,
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vcom_configuration_descriptor_data
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};
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/*
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* U.S. English language identifier.
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*/
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static const uint8_t vcom_string0[] = {
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USB_DESC_BYTE(4), /* bLength. */
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USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
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USB_DESC_WORD(0x0409) /* wLANGID (U.S. English). */
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};
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/*
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* Vendor string.
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*/
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static const uint8_t vcom_string1[] = {
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USB_DESC_BYTE(38), /* bLength. */
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USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
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'S', 0, 'T', 0, 'M', 0, 'i', 0, 'c', 0, 'r', 0, 'o', 0, 'e', 0,
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'l', 0, 'e', 0, 'c', 0, 't', 0, 'r', 0, 'o', 0, 'n', 0, 'i', 0,
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'c', 0, 's', 0
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};
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/*
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* Device Description string.
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*/
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static const uint8_t vcom_string2[] = {
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USB_DESC_BYTE(56), /* bLength. */
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USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
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'C', 0, 'h', 0, 'i', 0, 'b', 0, 'i', 0, 'O', 0, 'S', 0, '/', 0,
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'R', 0, 'T', 0, ' ', 0, 'V', 0, 'i', 0, 'r', 0, 't', 0, 'u', 0,
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'a', 0, 'l', 0, ' ', 0, 'C', 0, 'O', 0, 'M', 0, ' ', 0, 'P', 0,
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'o', 0, 'r', 0, 't', 0
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};
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/*
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* Serial Number string.
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*/
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static const uint8_t vcom_string3[] = {
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USB_DESC_BYTE(8), /* bLength. */
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USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
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'0' + CH_KERNEL_MAJOR, 0,
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'0' + CH_KERNEL_MINOR, 0,
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'0' + CH_KERNEL_PATCH, 0
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};
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/*
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* Strings wrappers array.
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*/
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static const USBDescriptor vcom_strings[] = {
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{sizeof vcom_string0, vcom_string0},
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{sizeof vcom_string1, vcom_string1},
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{sizeof vcom_string2, vcom_string2},
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{sizeof vcom_string3, vcom_string3}
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};
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/*
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* Handles the GET_DESCRIPTOR callback. All required descriptors must be
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* handled here.
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*/
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static const USBDescriptor *get_descriptor(USBDriver *usbp,
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uint8_t dtype,
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uint8_t dindex,
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uint16_t lang) {
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(void)usbp;
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(void)lang;
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switch (dtype) {
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case USB_DESCRIPTOR_DEVICE:
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return &vcom_device_descriptor;
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case USB_DESCRIPTOR_CONFIGURATION:
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return &vcom_configuration_descriptor;
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case USB_DESCRIPTOR_STRING:
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if (dindex < 4)
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return &vcom_strings[dindex];
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}
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return NULL;
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}
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/**
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* @brief IN EP1 state.
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*/
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static USBInEndpointState ep1instate;
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/**
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* @brief OUT EP1 state.
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*/
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static USBOutEndpointState ep1outstate;
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/**
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* @brief EP1 initialization structure (both IN and OUT).
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*/
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static const USBEndpointConfig ep1config = {
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USB_EP_MODE_TYPE_BULK,
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NULL,
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sduDataTransmitted,
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sduDataReceived,
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0x0040,
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0x0040,
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&ep1instate,
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&ep1outstate,
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2,
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NULL
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};
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/**
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* @brief IN EP2 state.
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*/
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static USBInEndpointState ep2instate;
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/**
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* @brief EP2 initialization structure (IN only).
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*/
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static const USBEndpointConfig ep2config = {
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USB_EP_MODE_TYPE_INTR,
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NULL,
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sduInterruptTransmitted,
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NULL,
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0x0010,
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0x0000,
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&ep2instate,
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NULL,
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1,
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NULL
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};
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/*
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* Handles the USB driver global events.
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*/
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static void usb_event(USBDriver *usbp, usbevent_t event) {
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switch (event) {
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case USB_EVENT_RESET:
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return;
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case USB_EVENT_ADDRESS:
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return;
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case USB_EVENT_CONFIGURED:
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chSysLockFromISR();
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/* Enables the endpoints specified into the configuration.
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Note, this callback is invoked from an ISR so I-Class functions
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must be used.*/
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usbInitEndpointI(usbp, USBD2_DATA_REQUEST_EP, &ep1config);
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usbInitEndpointI(usbp, USBD2_INTERRUPT_REQUEST_EP, &ep2config);
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/* Resetting the state of the CDC subsystem.*/
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sduConfigureHookI(&SDU2);
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chSysUnlockFromISR();
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return;
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case USB_EVENT_SUSPEND:
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return;
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case USB_EVENT_WAKEUP:
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return;
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case USB_EVENT_STALLED:
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return;
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}
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return;
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}
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/*
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* USB driver configuration.
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*/
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static const USBConfig usbcfg = {
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usb_event,
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get_descriptor,
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sduRequestsHook,
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NULL
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};
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/*
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* Serial over USB driver configuration.
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*/
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static const SerialUSBConfig serusbcfg = {
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&USBD2,
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USBD2_DATA_REQUEST_EP,
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USBD2_DATA_AVAILABLE_EP,
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USBD2_INTERRUPT_REQUEST_EP
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};
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/*===========================================================================*/
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/* Command line related. */
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/*===========================================================================*/
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#define SHELL_WA_SIZE THD_WORKING_AREA_SIZE(2048)
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#define TEST_WA_SIZE THD_WORKING_AREA_SIZE(256)
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static void cmd_mem(BaseSequentialStream *chp, int argc, char *argv[]) {
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size_t n, size;
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(void)argv;
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if (argc > 0) {
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chprintf(chp, "Usage: mem\r\n");
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return;
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}
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n = chHeapStatus(NULL, &size);
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chprintf(chp, "core free memory : %u bytes\r\n", chCoreGetStatusX());
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chprintf(chp, "heap fragments : %u\r\n", n);
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chprintf(chp, "heap free total : %u bytes\r\n", size);
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}
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static void cmd_threads(BaseSequentialStream *chp, int argc, char *argv[]) {
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static const char *states[] = {CH_STATE_NAMES};
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thread_t *tp;
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(void)argv;
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if (argc > 0) {
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chprintf(chp, "Usage: threads\r\n");
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return;
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}
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chprintf(chp, " addr stack prio refs state time\r\n");
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tp = chRegFirstThread();
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do {
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chprintf(chp, "%08lx %08lx %4lu %4lu %9s\r\n",
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(uint32_t)tp, (uint32_t)tp->p_ctx.r13,
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(uint32_t)tp->p_prio, (uint32_t)(tp->p_refs - 1),
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states[tp->p_state]);
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tp = chRegNextThread(tp);
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} while (tp != NULL);
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}
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static void cmd_test(BaseSequentialStream *chp, int argc, char *argv[]) {
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thread_t *tp;
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(void)argv;
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if (argc > 0) {
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chprintf(chp, "Usage: test\r\n");
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return;
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}
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tp = chThdCreateFromHeap(NULL, TEST_WA_SIZE, chThdGetPriorityX(),
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TestThread, chp);
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if (tp == NULL) {
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chprintf(chp, "out of memory\r\n");
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return;
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}
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chThdWait(tp);
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}
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static void cmd_tree(BaseSequentialStream *chp, int argc, char *argv[]) {
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FRESULT err;
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uint32_t clusters;
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FATFS *fsp;
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(void)argv;
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if (argc > 0) {
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chprintf(chp, "Usage: tree\r\n");
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return;
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}
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if (!fs_ready) {
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chprintf(chp, "File System not mounted\r\n");
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return;
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}
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err = f_getfree("/", &clusters, &fsp);
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if (err != FR_OK) {
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chprintf(chp, "FS: f_getfree() failed\r\n");
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return;
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}
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chprintf(chp,
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|
"FS: %lu free clusters, %lu sectors per cluster, %lu bytes free\r\n",
|
|
clusters, (uint32_t)SDC_FS.csize,
|
|
clusters * (uint32_t)SDC_FS.csize * (uint32_t)MMCSD_BLOCK_SIZE);
|
|
fbuff[0] = 0;
|
|
scan_files(chp, (char *)fbuff);
|
|
}
|
|
|
|
static const ShellCommand commands[] = {
|
|
{"mem", cmd_mem},
|
|
{"threads", cmd_threads},
|
|
{"test", cmd_test},
|
|
{"tree", cmd_tree},
|
|
{NULL, NULL}
|
|
};
|
|
|
|
static const ShellConfig shell_cfg1 = {
|
|
(BaseSequentialStream *)&SDU2,
|
|
commands
|
|
};
|
|
|
|
/*===========================================================================*/
|
|
/* Main and generic code. */
|
|
/*===========================================================================*/
|
|
|
|
/*
|
|
* Card insertion event.
|
|
*/
|
|
static void InsertHandler(eventid_t id) {
|
|
FRESULT err;
|
|
|
|
(void)id;
|
|
/*
|
|
* On insertion SDC initialization and FS mount.
|
|
*/
|
|
if (sdcConnect(&SDCD1))
|
|
return;
|
|
|
|
err = f_mount(&SDC_FS, "/", 1);
|
|
if (err != FR_OK) {
|
|
sdcDisconnect(&SDCD1);
|
|
return;
|
|
}
|
|
fs_ready = TRUE;
|
|
}
|
|
|
|
/*
|
|
* Card removal event.
|
|
*/
|
|
static void RemoveHandler(eventid_t id) {
|
|
|
|
(void)id;
|
|
sdcDisconnect(&SDCD1);
|
|
fs_ready = FALSE;
|
|
}
|
|
|
|
/*
|
|
* Green LED blinker thread, times are in milliseconds.
|
|
*/
|
|
static THD_WORKING_AREA(waThread1, 128);
|
|
static THD_FUNCTION(Thread1, arg) {
|
|
|
|
(void)arg;
|
|
chRegSetThreadName("blinker");
|
|
while (true) {
|
|
palTogglePad(GPIOC, GPIOC_LED);
|
|
chThdSleepMilliseconds(fs_ready ? 125 : 500);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Application entry point.
|
|
*/
|
|
int main(void) {
|
|
static thread_t *shelltp = NULL;
|
|
static const evhandler_t evhndl[] = {
|
|
InsertHandler,
|
|
RemoveHandler
|
|
};
|
|
event_listener_t el0, el1;
|
|
|
|
/*
|
|
* 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.
|
|
* - lwIP subsystem initialization using the default configuration.
|
|
*/
|
|
halInit();
|
|
chSysInit();
|
|
lwipInit(NULL);
|
|
|
|
/*
|
|
* Initializes a serial-over-USB CDC driver.
|
|
*/
|
|
sduObjectInit(&SDU2);
|
|
sduStart(&SDU2, &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();
|
|
|
|
/*
|
|
* Activates the serial driver 6 and SDC driver 1 using default
|
|
* configuration.
|
|
*/
|
|
sdStart(&SD6, NULL);
|
|
sdcStart(&SDCD1, NULL);
|
|
|
|
/*
|
|
* Activates the card insertion monitor.
|
|
*/
|
|
tmr_init(&SDCD1);
|
|
|
|
/*
|
|
* Creates the blinker thread.
|
|
*/
|
|
chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
|
|
|
|
/*
|
|
* Creates the HTTP thread (it changes priority internally).
|
|
*/
|
|
chThdCreateStatic(wa_http_server, sizeof(wa_http_server), NORMALPRIO + 1,
|
|
http_server, NULL);
|
|
|
|
/*
|
|
* Normal main() thread activity, in this demo it does nothing except
|
|
* sleeping in a loop and listen for events.
|
|
*/
|
|
chEvtRegister(&inserted_event, &el0, 0);
|
|
chEvtRegister(&removed_event, &el1, 1);
|
|
while (true) {
|
|
if (!shelltp && (SDU2.config->usbp->state == USB_ACTIVE))
|
|
shelltp = shellCreate(&shell_cfg1, SHELL_WA_SIZE, NORMALPRIO);
|
|
else if (chThdTerminatedX(shelltp)) {
|
|
chThdRelease(shelltp); /* Recovers memory of the previous shell. */
|
|
shelltp = NULL; /* Triggers spawning of a new shell. */
|
|
}
|
|
if (palReadPad(GPIOA, GPIOA_BUTTON_WKUP) != 0) {
|
|
}
|
|
chEvtDispatch(evhndl, chEvtWaitOneTimeout(ALL_EVENTS, MS2ST(500)));
|
|
}
|
|
}
|