main.c

main.c.txt

#include <string.h>
#include <stdio.h>
#include "ch.h"
#include "hal.h"
#include "test.h"
#include "shell.h"
#include "evtimer.h"
#include "chprintf.h"
#include "ff.h"
#include "glcd.h"
#include "graph.h"
#include "touchpad.h"

#define BKGRD Black
#define RESOLUTION 100

FATFS MMC_FS;
MMCDriver MMCD1;

volatile uint16_t x, y;
static bool_t fs_ready = FALSE;
static SPIConfig hs_spicfg = {NULL, IOPORT2, GPIOB_SPI2NSS, 0};
static SPIConfig ls_spicfg = {NULL, IOPORT2, GPIOB_SPI2NSS, SPI_CR1_BR_2 | SPI_CR1_BR_1};
static MMCConfig mmccfg = {&SPID2, &ls_spicfg, &hs_spicfg};
uint8_t fbuff[1024];
unsigned char cmd[][6] = {
	{"r123\n"},
	{"r999\n"},
	{"r520\n"},
	{"l092\n"},
	{"l340\n"},
	{"l420\n"},
	{"r000\n"}};

int16_t coord[][2] = {{0,0}, {50,50}, {75,50}, {150,120}, {185,120},
						{195,40},{220,40},{260, 0}};

static FRESULT scan_files(BaseSequentialStream *chp, char *path) {
  FRESULT res;
  FILINFO fno;
	FIL fi;
  DIR dir;
  int i;
  char *fn;

  res = f_opendir(&dir, path);
  if (res == FR_OK) {
    i = strlen(path);
    for (;;) {
      res = f_readdir(&dir, &fno);
      if (res != FR_OK || fno.fname[0] == 0)
        break;
      if (fno.fname[0] == '.')
        continue;
      fn = fno.fname;
      if (fno.fattrib & AM_DIR) {
        path[i++] = '/';
        strcpy(&path[i], fn);
        res = scan_files(chp, path);
        if (res != FR_OK)
          break;
        path[i] = 0;
      }
      else {
        chprintf(chp, "%s/%s\r\n", path, fn);
      }
    }
  }
  
	return res;
}

#define SHELL_WA_SIZE   THD_WA_SIZE(10240)
#define TEST_WA_SIZE    THD_WA_SIZE(256)

static void cmd_write(BaseSequentialStream *chp, int argc, char *argv[]) {
	FRESULT ferr;
	FIL fdst;
	UINT written;
	BYTE buffer[64];
	char path[64];
	uint8_t i;

	if(argv[0] != NULL)
		strcpy(path, argv[0]);
	else
		strcpy(path, "vitfit.txt");

	ferr = f_open(&fdst, path, FA_CREATE_ALWAYS | FA_WRITE);
	if(ferr != FR_OK) {
		chprintf(chp, "f_open() failed!\r\n");
		return;
	}

	for(i=0; i<(sizeof(cmd)/sizeof(cmd[0])); i++) {
		strcpy(buffer, "This is some foo text\n");
		f_write(&fdst, buffer, sizeof(buffer), &written);
	}

	f_close(&fdst);

	return;
}

static void cmd_read(BaseSequentialStream *chp, int argc, char *argv[]) {
	FRESULT ferr;
	FIL fdst;
	UINT br;
	BYTE buffer[2048];
	char path[64];

	if(argv[0] != NULL)
		strcpy(path, argv[0]);
	else
		strcpy(path, "vitfit.txt");

	ferr = f_open(&fdst, path, FA_READ);
	if(ferr != FR_OK) {
		chprintf(chp, "f_open() failed!\r\n");
		return;
	}

	ferr = f_read(&fdst, buffer, sizeof(buffer), &br);
	if(ferr != FR_OK) {
		chprintf(chp, "f_read() failed!");
		return;
	}

	f_close(&fdst);

	removeChar(buffer, '\r');
	removeChar(buffer, '\n');
	chprintf(chp, "%s\r\n", buffer);
}

static void cmd_mem(BaseSequentialStream *chp, int argc, char *argv[]) {
  size_t n, size;

  (void)argv;
  if (argc > 0) {
    chprintf(chp, "Usage: mem\r\n");
    return;
  }
  n = chHeapStatus(NULL, &size);
  chprintf(chp, "core free memory : %u bytes\r\n", chCoreStatus());
  chprintf(chp, "heap fragments   : %u\r\n", n);
  chprintf(chp, "heap free total  : %u bytes\r\n", size);
}

static void cmd_threads(BaseSequentialStream *chp, int argc, char *argv[]) {
  static const char *states[] = {THD_STATE_NAMES};
  Thread *tp;

  (void)argv;
  if (argc > 0) {
    chprintf(chp, "Usage: threads\r\n");
    return;
  }
  chprintf(chp, "    addr    stack prio refs     state time\r\n");
  tp = chRegFirstThread();
  do {
    chprintf(chp, "%.8lx %.8lx %4lu %4lu %9s %lu\r\n",
            (uint32_t)tp, (uint32_t)tp->p_ctx.r13,
            (uint32_t)tp->p_prio, (uint32_t)(tp->p_refs - 1),
            states[tp->p_state], (uint32_t)tp->p_time);
    tp = chRegNextThread(tp);
  } while (tp != NULL);
}

static void cmd_tree(BaseSequentialStream *chp, int argc, char *argv[]) {
  FRESULT err;
  uint32_t clusters;
  FATFS *fsp;

  (void)argv;
  if (argc > 0) {
    chprintf(chp, "Usage: tree\r\n");
    return;
  }
  if (!fs_ready) {
    chprintf(chp, "File System not mounted\r\n");
    return;
  }
  err = f_getfree("/", &clusters, &fsp);
  if (err != FR_OK) {
    chprintf(chp, "FS: f_getfree() failed\r\n");
    return;
  }
  chprintf(chp,
           "FS: %lu free clusters, %lu sectors per cluster, %lu bytes free\r\n",
           clusters, (uint32_t)MMC_FS.csize,
           clusters * (uint32_t)MMC_FS.csize * (uint32_t)MMC_SECTOR_SIZE);
  fbuff[0] = 0;
  scan_files(chp, (char *)fbuff);
}

static void cmd_test(BaseSequentialStream *chp, int argc, char *argv[]) {
	Thread *tp;
	(void)argv;

	if (argc > 0) {
		chprintf(chp, "Usage: test\r\n");
		return;
	}
	tp = chThdCreateFromHeap(NULL, TEST_WA_SIZE, chThdGetPriority(), TestThread, chp);
	if (tp == NULL) {
		chprintf(chp, "out of memory\r\n");
		return;
	}
	chThdWait(tp);
}

static const ShellCommand commands[] = {
	{"mem", cmd_mem},
	{"threads", cmd_threads},
	{"test", cmd_test},
	{"tree", cmd_tree},
	{"write", cmd_write}, 
	{"read", cmd_read},
	{NULL, NULL}
};

static const ShellConfig shell_cfg1 = {
	(BaseSequentialStream *)&SD2,
	commands
};

void removeChar(char *str, char ch) {
	char *src, *dst;
	for(src = dst = str; *src != '\0'; src++) {
		*dst = *src;
		if(*dst != ch) dst++;
	}
	*dst = '\0';
}

uint16_t checksum(unsigned char *buffer) {
	uint8_t i;
	uint16_t ret = 0;

	for (i = 0; i < strlen(buffer); i++)
		ret += buffer[i];

	return (ret & 0xff);
}

static WORKING_AREA(waThread1, 128);
static msg_t Thread1(void *arg) {
	(void)arg;
	chRegSetThreadName("blinker");
	while (TRUE) {
		palTogglePad(GPIOD, GPIOD_LED1);
		if (fs_ready)
			chThdSleepMilliseconds(200);
		else
			chThdSleepMilliseconds(500);
	}
	return 0;
}

static WORKING_AREA(waThread2, 1024);
static msg_t Thread2(SerialDriver *chp) {
	chRegSetThreadName("USART1");
	char buffer[20];
	uint16_t i;

	while(TRUE) {
		chprintf(chp, "----------------------------------------------\r\n");
		chprintf(chp, "\r\n");
		for(i=0; i<(sizeof(cmd)/sizeof(cmd[0])); i++) {
			*strchr(cmd[i], '\n') = '\0';
			sprintf(buffer, "#0201%s", cmd[i]);
			sprintf(buffer, "%s%02X%c", buffer, checksum(buffer), '\r');
			chprintf(chp, "%s\n", buffer);
			chThdSleepSeconds(5);
		}
		sprintf(buffer, "#0201s%02X%c", checksum("#0201s"), '\r');
		chprintf(chp, "%s\n", buffer);
	}
}

static WORKING_AREA(waThread3, 512);
static msg_t Thread3(void *arg) {
	chRegSetThreadName("touchpad");
	(void)arg;

	while(TRUE) {
		if(tpIRQ()) {
		
		}
	}
}

static void InsertHandler(eventid_t id) {
  FRESULT err;

  (void)id;
  if (mmcConnect(&MMCD1)) {
    return;
  }
  err = f_mount(0, &MMC_FS);
  if (err != FR_OK) {
    mmcDisconnect(&MMCD1);
    return;
	}
	fs_ready = TRUE;
}

static void RemoveHandler(eventid_t id) {
	(void)id;
	fs_ready = FALSE;
}

void readSD(unsigned char *buffer) {
	FRESULT ferr;
	FIL fdst;
	UINT br;
	char path[64];

	ferr = f_open(&fdst, "vitfit.txt", FA_READ);
	if(ferr != FR_OK)
		return;
	ferr = f_read(&fdst, buffer, sizeof(buffer), &br);
	if(ferr != FR_OK)
		return;
	f_close(&fdst);

	chprintf(&SD2, buffer);
	removeChar(buffer, '\r');
	removeChar(buffer, '\n');
}

static void touchIRQ(EXTDriver *extp, expchannel_t channel) {
	(void)extp;
	(void)channel;

	chSysLockFromIsr();
	palTogglePad(GPIOD, GPIOD_LED2);	
	chSysUnlockFromIsr()
}

static void buttonIRQ(EXTDriver *extp, expchannel_t channel) {
	(void)extp;
	(void)channel;

	chSysLockFromIsr();
	palTogglePad(GPIOD, GPIOD_LED3);
	chSysUnlockFromIsr();
}

int main(void) {
	static const evhandler_t evhndl[] = {
		InsertHandler,
		RemoveHandler
	};
	Thread *shelltp = NULL;
	struct EventListener el0, el1;
	static const SerialConfig sd1cfg = {
		2400,
		USART_CR1_M | USART_CR1_PCE,
		USART_CR2_STOP1_BITS | USART_CR2_LINEN,
		0,
	};
	static const EXTConfig extcfg = {
		{
		    {EXT_CH_MODE_DISABLED, NULL},
	   	 	{EXT_CH_MODE_DISABLED, NULL},
	   	 	{EXT_CH_MODE_DISABLED, NULL},
	    	{EXT_CH_MODE_DISABLED, NULL},
	    	{EXT_CH_MODE_FALLING_EDGE | EXT_CH_MODE_AUTOSTART | EXT_MODE_GPIOC, touchIRQ},
			{EXT_CH_MODE_DISABLED, NULL},
			{EXT_CH_MODE_DISABLED, NULL},
	    	{EXT_CH_MODE_DISABLED, NULL},	
			{EXT_CH_MODE_FALLING_EDGE | EXT_CH_MODE_AUTOSTART | EXT_MODE_GPIOA, buttonIRQ},
	    	{EXT_CH_MODE_DISABLED, NULL},
	    	{EXT_CH_MODE_DISABLED, NULL},
	    	{EXT_CH_MODE_DISABLED, NULL},
	    	{EXT_CH_MODE_DISABLED, NULL},
	    	{EXT_CH_MODE_DISABLED, NULL},
	    	{EXT_CH_MODE_DISABLED, NULL},
	    	{EXT_CH_MODE_DISABLED, NULL}
		}
	};

	halInit();
	chSysInit();

	sdStart(&SD1, &sd1cfg);
	sdStart(&SD2, NULL);
	shellInit();

	lcdInit();
	tpInit();
	tpCalibrate();
	lcdClear(BKGRD);
	lcdSetOrientation(landscape);
	graphDrawSystem(20, lcdGetWidth()-20, lcdGetHeight()-20, 20, Yellow);
	graphDrawNet(coord, sizeof(coord)/sizeof(coord[0]), 2, Red, Green);

	palSetPadMode(GPIOC, GPIOC_SDPWR, PAL_MODE_OUTPUT_PUSHPULL);
	palClearPad(GPIOC, GPIOC_SDPWR);
	palSetPadMode(IOPORT2, GPIOB_SPI2NSS, PAL_MODE_OUTPUT_PUSHPULL);
  	palSetPad(GPIOB, GPIOB_SPI2NSS);
  	mmcObjectInit(&MMCD1);
  	mmcStart(&MMCD1, &mmccfg);
  	
	chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
	//chThdCreateStatic(waThread2, sizeof(waThread2), NORMALPRIO, Thread2, &SD1);
	chThdCreateStatic(waThread3, sizeof(waThread3), NORMALPRIO, Thread3, NULL);

	chEvtRegister(&MMCD1.inserted_event, &el0, 0);
	chEvtRegister(&MMCD1.removed_event, &el1, 1);

	extStart(&EXTD1, &extcfg);

	while (TRUE) {
 		if (!shelltp)
 			shelltp = shellCreate(&shell_cfg1, SHELL_WA_SIZE, NORMALPRIO);
 		else if (chThdTerminated(shelltp)) {
			chThdRelease(shelltp);    /* Recovers memory of the previous shell.   */
			shelltp = NULL;           /* Triggers spawning of a new shell.        */
		}

		chEvtDispatch(evhndl, chEvtWaitOne(ALL_EVENTS));
	}

	return 0;
}