source: EcnlProtoTool/trunk/prototool/src/arduino.c@ 446

#include <arduino.h>
#include <mruby.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <sys/stat.h>
#include "../llbruby.h"

serial_t *Serial;
serial_t *Serial1;      /*1:Serial1*/
serial_t *Serial2;      /*2:Serial3*/
serial_t *Serial3;      /*3:Serial2*/
serial_t *Serial4;      /*4:Serial6*/
serial_t *Serial5;      /*5:Serial7*/

i2c_t Wire1;
i2c_t Wire2;
i2c_t Wire3;
i2c_t Wire4;
i2c_t Wire5;

char ExeFilename[64];

void arduino_init()
{
}

void randomSeed(long seed)
{
        srand(seed);
}

long arduino_random(long min, long max)
{
        return (long)(((double)rand() / (double)RAND_MAX) / ((double)max - (double)min)) + min;
}

struct pin_node pin_list;

static struct pin_node *find_pin(PinType type, PinName pin)
{
        struct pin_node *ret = &pin_list;

        while (ret != NULL) {
                if ((ret->type == type) && (ret->pin == pin)) {
                        break;
                }
                ret = ret->next;
        }

        return ret;
}

static struct pin_node *new_pin(PinType type, PinName pin)
{
        struct pin_node *ret = calloc(1, sizeof(struct pin_node));

        ret->next = pin_list.next;
        ret->type = type;
        ret->pin = pin;

        pin_list.next = ret;

        return ret;
}

struct pin_node *get_pin(PinType type, PinName pinno)
{
        struct pin_node *pin;

        if (pinno == -1)
                return NULL;

        pin = find_pin(type, pinno);
        if (pin != NULL)
                return pin;

        pin = new_pin(type, pinno);
        if (pin == NULL)
                return NULL;

        switch (type) {
        case pintype_gpio:
                gpio_init(&pin->gpio, pinno);
                break;
        case pintype_dac:
#if DEVICE_ANALOGOUT
                analogout_init(&pin->dac, pinno);
#endif
                break;
        case pintype_pwmout:
                pwmout_init(&pin->pwmout, pinno);
                pin->period = 491;
                break;
        case pintype_analogin:
                analogin_init(&pin->analogin, pinno);
                break;
        }

        return pin;
}

bool portToPins(SCI_PORT port, PinName *txpin, PinName *rxpin)
{
        switch (port) {
        case SCI_USB0:
                *txpin = 201;
                *rxpin = 202;
                break;
        case SCI_SCI0P2x:
                *txpin = 1;
                *rxpin = 2;
                break;
        case SCI_SCI2B:
                *txpin = 1;
                *rxpin = 2;
                break;
        case SCI_SCI6B:
                *txpin = 1;
                *rxpin = 2;
                break;
        case SCI_SCI2A:
                *txpin = 1;
                *rxpin = 2;
                break;
        default:
                *txpin = 0;
                *rxpin = 0;
                return false;
        }

        return true;
}

PinType get_pin_type(PinName pin)
{
        struct pin_node *ret = &pin_list;

        while (ret != NULL) {
                if (ret->pin == pin) {
                        return ret->type;
                }
        }

        return pintype_none;
}

void analogReference(int mode)
{

}

void setPinModeDac(int pin)
{

}

void tone(int pin, int frequency, int duration)
{

}

void noTone(int pin)
{

}

int serial_write(serial_t *serial, const unsigned char *buf, int len)
{
        const char *c = (const char *)buf;

        for (int i = 0; i < len; i++) {
                serial_putc(serial, c[i]);
        }

        return len;
}

int serial_print(serial_t *serial, const char *str)
{
        int i;

        for (i = 0; ; i++) {
                char c = str[i];
                if (c == '\0')
                        break;

                serial_putc(serial, c);
        }

        return i;
}

int serial_println(serial_t *serial, const char *str)
{
        int i;

        for (i = 0; ; i++) {
                char c = str[i];
                if (c == '\0')
                        break;

                serial_putc(serial, c);
        }

        i++;
        serial_putc(serial, '\r');

        i++;
        serial_putc(serial, '\n');

        return i;
}

uint8_t EEPROM_write(int addr, uint8_t data)
{
        return 0;
}

uint8_t EEPROM_read(int addr)
{
        return 0xFF;
}

int EEP_fopen(FILEEEP *fp, const char *str, char mode)
{
        int ret;
        int fm;

        switch (mode){
        case 0:
                fm = O_RDONLY;
                break;
        case 1:
                fm = O_RDWR | O_CREAT;
                break;
        case 2:
                fm = O_RDWR;
                break;
        default:
                return -1;
        }

        ret = open(str, fm);
        if (ret < 0) {
                fp->fd = 0;
                return -1;
        }
        fp->fd = ret;

        return 0;
}

int EEP_fwrite(FILEEEP *fp, byte *data, int *len)
{
        int ret;

        ret = write(fp->fd, data, *len);
        if (ret < 0) {
                *len = 0;
                return -1;
        }
        *len = ret;

        return 0;
}

int EEP_fread(FILEEEP *fp)
{
        int ret;
        char c;

        ret = read(fp->fd, &c, 1);
        if (ret < 0)
                return -1;

        return c;
}

void EEP_fclose(FILEEEP *fp)
{
        close(fp->fd);
}

int EEP_fseek(FILEEEP *fp, int pos, int mode)
{
        int ret;

        switch (mode){
        case EEP_SEEKTOP:
                ret = lseek(fp->fd, pos, SEEK_SET);
                break;
        case EEP_SEEKCUR:
                ret = lseek(fp->fd, pos, SEEK_CUR);
                break;
        case EEP_SEEKEND:
                ret = lseek(fp->fd, pos, SEEK_END);
                break;
        default:
                return -1;
                break;
        }

        if (ret < 0)
                return false;

        return true;
}

int EEP_ffilesize(const char *str)
{
        int ret;
        struct stat fno;

        ret = stat(str, &fno);
        if (ret < 0)
                return 0;

        return fno.st_size;
}

bool EEP_fEof(FILEEEP *fp)
{
        int ret, pos;
        struct stat fno;

        ret = fstat(fp->fd, &fno);
        if (ret < 0)
                return false;

        pos = lseek(fp->fd, 0, SEEK_CUR);

        return pos == fno.st_size;
}

bool EEP_fexist(const char *path)
{
        int ret;
        struct stat fno;

        ret = stat(path, &fno);

        return (ret == 0);
}

bool EEP_fcopy(const char *src, const char *dst)
{
        int fsrc, fdst;
        unsigned char buffer[512];
        int res = true;
        int br, bw;

        fsrc = open(src, O_RDONLY);
        if (fsrc < 0)
                return false;

        fdst = open(dst, O_RDWR | O_CREAT);
        if (fdst < 0){
                close(fsrc);
                return false;
        }

        for (;;) {
                br = read(fsrc, buffer, sizeof(buffer));
                if (br < 0) {
                        res = false;
                        break;
                }
                if (br == 0)
                        break;

                bw = write(fdst, buffer, br);
                if ((bw < 0) || bw < br) {
                        res = false;
                        break;
                }
        }

        close(fsrc);
        close(fdst);

        return res;
}

bool EEP_fdelete(const char *path)
{
        int res;

        res = unlink(path);

        return (res == 0);
}

bool SD_open(File *file, const char *path, int mode)
{
        int ret;

        if (!SD_begin())
                return false;

        ret = open(path, mode);
        if (ret < 0) {
                file->fd = 0;
                return false;
        }

        file->fd = ret;
        return true;
}

bool SD_rmdir(const char *path)
{
        int ret;

        if (!SD_begin())
                return false;

        ret = rmdir(path);

        return ret == 0;
}

bool SD_rename(const char *path1, const char *path2)
{
        int ret;

        if (!SD_begin())
                return false;

        ret = rename(path1, path2);
        
        return ret == 0;
}

bool SD_remove(const char *path)
{
        int ret;

        if (!SD_begin())
                return false;

        ret = unlink(path);

        return ret == 0;
}

bool SD_exists(const char *path)
{
        int ret;
        struct stat fno;

        if (!SD_begin())
                return false;

        ret = stat(path, &fno);

        return ret == 0;
}

bool SD_mkdir(const char *path)
{
        int ret;

        if (!SD_begin())
                return false;

        ret = mkdir(path, 0777);

        return ret == 0;
}

int file_write(File *fp, unsigned char *str, int len)
{
        int ret;

        ret = write(fp->fd, str, len);
        if (ret < 0)
                return -1;

        return ret;
}

void file_close(File *fp)
{
        close(fp->fd);
}

int file_size(File *fp)
{
        int ret;
        struct stat fno;

        ret = fstat(fp->fd, &fno);
        if (ret < 0)
                return -1;

        return fno.st_size;
}

int file_position(File *fp)
{
        int ret;
        struct stat fno;

        ret = lseek(fp->fd, 0, SEEK_CUR);
        if (ret < 0)
                return -1;

        return ret;
}

void file_flush(File *fp)
{
        fsync(fp->fd);
}

bool file_seek(File *fp, int pos)
{
        int ret;

        ret = lseek(fp->fd, pos, SEEK_SET);

        return ret == 0;
}

int file_read(File *fp)
{
        int ret;
        char c;

        ret = read(fp->fd, &c, 1);
        if (ret < 0)
                return -1;

        return c;
}

void system_reboot(int mode)
{
        exit(mode);
}

int fileloader(const char *progVer, const char *binVer)
{
        return 0;
}

unsigned int Utf8_to_Utf16(const char *src, int *code_size)
{
        int i;
        unsigned int uc = 0;
        unsigned char len = 0;

        len = 0;
        if ((src[0] & 0x80) == 0) { uc = src[0] & 0x7F; len = 0; }
        else if ((src[0] & 0xE0) == 0xC0) { uc = src[0] & 0x1F; len = 1; }
        else if ((src[0] & 0xF0) == 0xE0) { uc = src[0] & 0x0F; len = 2; }
        else if ((src[0] & 0xF8) == 0xF0) { uc = src[0] & 0x07; len = 3; }
        else if ((src[0] & 0xFC) == 0xF8) { uc = src[0] & 0x03; len = 4; }
        else if ((src[0] & 0xFE) == 0xFC) { uc = src[0] & 0x01; len = 5; }

        i = 1;
        while ((i <= len) && ((src[i] & 0xC0) == 0x80)) {
                uc = (uc << 6) | (src[i] & 0x3F);
                i++;
        }

        //消費文字数設定
        *code_size = i;

        //現状、2バイト限定
        return uc;
}

int bs_char_count(char *str, int pos)
{
        int num = 1, local_pos = pos;
        char *c;

        while (1) {
                c = str + local_pos;

                if ((*c & 0x80) != 0x80)
                        return num;

                if (((*c & 0xE0) == 0xC0) && (num == 2)) {
                        return num;
                }
                else if (((*c & 0xF0) == 0xE0) && (num == 3)) {
                        return num;
                }
                else if (((*c & 0xF8) == 0xF0) && (num == 4)) {
                        return num;
                }
                else if (((*c & 0xFC) == 0xF8) && (num == 5)) {
                        return num;
                }
                else if (((*c & 0xFE) == 0xFC) && (num == 6)) {
                        return num;
                }
                else {
                        if (local_pos > 0) {
                                local_pos--;
                                num++;
                        }
                        else
                                return 0;
                }
        }

        return 0;
}