$(CC) $(INCS) -L. $(SRC)/testapp.c -o testapp -lopenzap -lm -lpthread
testcid: $(SRC)/testcid.c $(MYLIB)
- $(CC) $(INCS) -L. $(SRC)/testcid.c -o testcid -lopenzap -lm -lpthread
+ $(CC) $(INCS) -L. -g -ggdb $(SRC)/testcid.c -o testcid -lopenzap -lm -lpthread
testtones: $(SRC)/testtones.c $(MYLIB)
$(CC) $(INCS) -L. $(SRC)/testtones.c -o testtones -lopenzap -lm -lpthread
#define M_PI 3.14159265358979323846
#endif
-static fsk_modem_definition_t fsk_modem_definitions[] =
+fsk_modem_definition_t fsk_modem_definitions[] =
{
{ /* FSK_V23_FORWARD_MODE1 */ 1700, 1300, 600 },
{ /* FSK_V23_FORWARD_MODE2 */ 2100, 1300, 1200 },
void dsp_fsk_sample(dsp_fsk_handle_t *handle, double normalized_sample);
+extern fsk_modem_definition_t fsk_modem_definitions[];
+
#endif
}
dds->phase_accumulator += dds->phase_rate[pindex];
-
return (int16_t) (sample * dds->scale_factor >> 15);
}
return s;
}
+struct zap_bitstream {
+ uint8_t *data;
+ uint32_t datalen;
+ uint32_t byte_index;
+ uint8_t bit_index;
+ int8_t endian;
+ uint8_t top;
+ uint8_t bot;
+ uint8_t ss;
+ uint8_t ssv;
+};
+
+struct zap_fsk_data_state {
+ dsp_fsk_handle_t *fsk1200_handle;
+ uint8_t init;
+ uint8_t *buf;
+ size_t bufsize;
+ zap_size_t blen;
+ zap_size_t bpos;
+ zap_size_t dlen;
+ zap_size_t ppos;
+ int checksum;
+};
+
+struct zap_fsk_modulator {
+ teletone_dds_state_t dds;
+ zap_bitstream_t bs;
+ uint32_t carrier_bits_start;
+ uint32_t carrier_bits_stop;
+ uint32_t chan_sieze_bits;
+ uint32_t bit_factor;
+ uint32_t bit_accum;
+ uint32_t sample_counter;
+ fsk_modem_types_t modem_type;
+ zap_fsk_data_state_t *fsk_data;
+ zap_fsk_write_sample_t write_sample_callback;
+ void *user_data;
+ int16_t sample_buffer[64];
+};
+
struct zap_caller_data {
char cid_name[80];
char cid_num[80];
zio_span_next_event_t next_event;
};
+#define zap_fsk_modulator_send_all(_it) zap_fsk_modulator_generate_chan_sieze(_it); \
+ zap_fsk_modulator_generate_carrier_bits(_it, _it->carrier_bits_start); \
+ zap_fsk_modulator_send_data(_it); \
+ zap_fsk_modulator_generate_carrier_bits(_it, _it->carrier_bits_stop)
+
+zap_status_t zap_fsk_modulator_init(zap_fsk_modulator_t *fsk_trans,
+ fsk_modem_types_t modem_type,
+ uint32_t sample_rate,
+ zap_fsk_data_state_t *fsk_data,
+ float db_level,
+ uint32_t carrier_bits_start,
+ uint32_t carrier_bits_stop,
+ uint32_t chan_sieze_bits,
+ zap_fsk_write_sample_t write_sample_callback,
+ void *user_data);
+int8_t zap_bitstream_get_bit(zap_bitstream_t *bsp);
+void zap_bitstream_init(zap_bitstream_t *bsp, uint8_t *data, uint32_t datalen, zap_endian_t endian, int ss);
zap_status_t zap_fsk_data_parse(zap_fsk_data_state_t *state, zap_size_t *type, char **data, zap_size_t *len);
zap_status_t zap_fsk_demod_feed(zap_fsk_data_state_t *state, int16_t *data, size_t samples);
zap_status_t zap_fsk_demod_destroy(zap_fsk_data_state_t *state);
int zap_fsk_demod_init(zap_fsk_data_state_t *state, int rate, uint8_t *buf, size_t bufsize);
-
+zap_status_t zap_fsk_data_init(zap_fsk_data_state_t *state, uint8_t *data, uint32_t datalen);
+zap_status_t zap_fsk_data_add_mdmf(zap_fsk_data_state_t *state, zap_mdmf_type_t type, int8_t *data, uint32_t datalen);
+zap_status_t zap_fsk_data_add_checksum(zap_fsk_data_state_t *state);
+zap_status_t zap_fsk_data_add_sdmf(zap_fsk_data_state_t *state, char *date, char *number);
zap_status_t zap_channel_outgoing_call(zap_channel_t *zchan);
void zap_channel_rotate_tokens(zap_channel_t *zchan);
void zap_channel_clear_detected_tones(zap_channel_t *zchan);
void zap_global_set_logger(zap_logger_t logger);
void zap_global_set_default_logger(int level);
uint32_t zap_separate_string(char *buf, char delim, char **array, int arraylen);
-void print_bits(uint8_t *b, int bl, char *buf, int blen, int e);
+void print_bits(uint8_t *b, int bl, char *buf, int blen, int e, int ss);
ZIO_CODEC_FUNCTION(zio_slin2ulaw);
ZIO_CODEC_FUNCTION(zio_ulaw2slin);
ZIO_CODEC_FUNCTION(zio_slin2alaw);
#define ZAP_COMMAND_OBJ_INT *((int *)obj)
#define ZAP_COMMAND_OBJ_CHAR_P (char *)obj
+#define ZAP_FSK_MOD_FACTOR 0x10000
typedef uint64_t zap_time_t;
+typedef enum {
+ ZAP_ENDIAN_BIG = 1,
+ ZAP_ENDIAN_LITTLE = -1
+} zap_endian_t;
+
typedef enum {
ZAP_CID_TYPE_SDMF = 0x04,
ZAP_CID_TYPE_MDMF = 0x80
MDMF_NO_NUM = 4,
MDMF_PHONE_NAME = 7,
MDMF_NO_NAME = 8,
- MDMF_INVALID = 9
+ MDMF_ALT_ROUTE = 9,
+ MDMF_INVALID = 10
} zap_mdmf_type_t;
-#define MDMF_STRINGS "X", "DATETIME", "PHONE_NUM", "DDN", "NO_NUM", "X", "X", "PHONE_NAME", "NO_NAME", "INVALID"
+#define MDMF_STRINGS "X", "DATETIME", "PHONE_NUM", "DDN", "NO_NUM", "X", "X", "PHONE_NAME", "NO_NAME", "ALT_ROUTE", "INVALID"
ZAP_STR2ENUM_P(zap_str2zap_mdmf_type, zap_mdmf_type2str, zap_mdmf_type_t)
-struct zap_fsk_data_state {
- dsp_fsk_handle_t *fsk1200_handle;
- uint8_t init;
- uint8_t *buf;
- size_t bufsize;
- zap_size_t blen;
- zap_size_t bpos;
- zap_size_t dlen;
- zap_size_t ppos;
- int checksum;
-};
-typedef struct zap_fsk_data_state zap_fsk_data_state_t;
-
-typedef int (*zap_fsk_data_decoder_t)(zap_fsk_data_state_t *state);
-
-
-
#define ZAP_TONEMAP_LEN 128
typedef enum {
ZAP_TONEMAP_NONE,
#define ZAP_LOG_ALERT ZAP_PRE, ZAP_LOG_LEVEL_ALERT
#define ZAP_LOG_EMERG ZAP_PRE, ZAP_LOG_LEVEL_EMERG
-
+typedef struct zap_fsk_data_state zap_fsk_data_state_t;
+typedef int (*zap_fsk_data_decoder_t)(zap_fsk_data_state_t *state);
+typedef zap_status_t (*zap_fsk_write_sample_t)(int16_t *buf, zap_size_t buflen, void *user_data);
typedef void (*zap_logger_t)(char *file, const char *func, int line, int level, char *fmt, ...);
typedef struct zap_io_interface zap_io_interface_t;
typedef struct hashtable zap_hash_t;
typedef struct hashtable_itr zap_hash_itr_t;
typedef struct key zap_hash_key_t;
typedef struct value zap_hash_val_t;
+typedef struct zap_bitstream zap_bitstream_t;
+typedef struct zap_fsk_modulator zap_fsk_modulator_t;
+
#endif
/* For Emacs:
#include "openzap.h"
+struct helper {
+ int fd;
+};
+
+zap_status_t my_write_sample(int16_t *buf, zap_size_t buflen, void *user_data)
+{
+ int x ;
+
+ struct helper *foo = (struct helper *) user_data;
+ for (x = 0; x < buflen; x++) {
+ printf("%x ", buf[x]);
+ }
+ printf("\n");
+ write(foo->fd, buf, buflen * 2);
+}
+
int main(int argc, char *argv[])
{
- zap_fsk_data_state_t state = {0};
- int fd;
+ struct zap_fsk_modulator fsk_trans;
+ zap_fsk_data_state_t fsk_data = {0};
+ int fd = -1;
int16_t buf[160] = {0};
ssize_t len = 0;
int type, mlen;
char *sp;
char str[128] = "";
char fbuf[256];
+ uint8_t databuf[1024] = "";
+ struct helper foo;
+
+
+
+ if (argc < 2) {
+ int x;
+ char *url = "sip:cool@rad.com";
+
+ if ((fd = open("tone.raw", O_WRONLY | O_TRUNC | O_CREAT, S_IRUSR | S_IWUSR)) < 0) {
+ fprintf(stderr, "File Error!\n", strerror(errno));
+ exit(-1);
+ }
+
+
+ zap_fsk_data_init(&fsk_data, databuf, sizeof(databuf));
+#if 1
+ zap_fsk_data_add_mdmf(&fsk_data, MDMF_DATETIME, "06061234", 8);
+ zap_fsk_data_add_mdmf(&fsk_data, MDMF_PHONE_NUM, "5551212", 7);
+ zap_fsk_data_add_mdmf(&fsk_data, MDMF_PHONE_NAME, "Fred Smith", 10);
+ //zap_fsk_data_add_mdmf(&fsk_data, MDMF_ALT_ROUTE, url, strlen(url));
+#else
+ zap_fsk_data_add_sdmf(&fsk_data, "06061234", "0");
+ //zap_fsk_data_add_sdmf(&state, "06061234", "5551212");
+#endif
+ zap_fsk_data_add_checksum(&fsk_data);
+
+ foo.fd = fd;
+
+
+ zap_fsk_modulator_init(&fsk_trans, FSK_BELL202, 8000, &fsk_data, -14, 180, 5, 300, my_write_sample, &foo);
+ zap_fsk_modulator_send_all((&fsk_trans));
+
+ if (fd > -1) {
+ close (fd);
+ }
+
+ return 0;
+ }
- if (argc < 2 || zap_fsk_demod_init(&state, 8000, fbuf, sizeof(fbuf))) {
+ if (zap_fsk_demod_init(&fsk_data, 8000, fbuf, sizeof(fbuf))) {
printf("wtf\n");
return 0;
}
}
while((len = read(fd, buf, sizeof(buf))) > 0) {
- if (zap_fsk_demod_feed(&state, buf, len / 2) != ZAP_SUCCESS) {
+ if (zap_fsk_demod_feed(&fsk_data, buf, len / 2) != ZAP_SUCCESS) {
break;
}
}
- while(zap_fsk_data_parse(&state, &type, &sp, &mlen) == ZAP_SUCCESS) {
+ while(zap_fsk_data_parse(&fsk_data, &type, &sp, &mlen) == ZAP_SUCCESS) {
zap_copy_string(str, sp, mlen+1);
*(str+mlen) = '\0';
zap_clean_string(str);
printf("TYPE %d (%s) LEN %d VAL [%s]\n", type, zap_mdmf_type2str(type), mlen, str);
}
- zap_fsk_demod_destroy(&state);
+ zap_fsk_demod_destroy(&fsk_data);
close(fd);
}
#include "uart.h"
+
static void fsk_byte_handler (void *x, int data)
{
zap_fsk_data_state_t *state = (zap_fsk_data_state_t *) x;
}
}
+zap_status_t zap_fsk_data_init(zap_fsk_data_state_t *state, uint8_t *data, uint32_t datalen)
+{
+ memset(state, 0, sizeof(*state));
+ state->buf = data;
+ state->bufsize = datalen;
+ state->bpos = 2;
+
+ return ZAP_SUCCESS;
+}
+
+zap_status_t zap_fsk_data_add_sdmf(zap_fsk_data_state_t *state, char *date, char *number)
+{
+ size_t dlen = strlen(date);
+ size_t nlen = strlen(number);
+
+ state->buf[0] = ZAP_CID_TYPE_SDMF;
+ memcpy(&state->buf[state->bpos], date, dlen);
+ state->bpos += dlen;
+ memcpy(&state->buf[state->bpos], number, nlen);
+ state->bpos += nlen;
+
+ return ZAP_SUCCESS;
+}
+
+zap_status_t zap_fsk_data_add_mdmf(zap_fsk_data_state_t *state, zap_mdmf_type_t type, int8_t *data, uint32_t datalen)
+{
+ state->buf[0] = ZAP_CID_TYPE_MDMF;
+ state->buf[state->bpos++] = type;
+ state->buf[state->bpos++] = datalen;
+ memcpy(&state->buf[state->bpos], data, datalen);
+ state->bpos += datalen;
+ return ZAP_SUCCESS;
+}
+
+
+zap_status_t zap_fsk_data_add_checksum(zap_fsk_data_state_t *state)
+{
+ uint32_t i;
+ uint8_t check = 0;
+
+ state->buf[1] = state->bpos - 2;
+
+ for (i = 0; i < state->bpos; i++) {
+ check += state->buf[i];
+ }
+
+ state->checksum = state->buf[state->bpos] = 256 - check;
+ state->bpos++;
+
+ state->dlen = state->bpos;
+ state->blen = state->buf[1];
+
+ return ZAP_SUCCESS;
+}
+
+
zap_status_t zap_fsk_data_parse(zap_fsk_data_state_t *state, zap_size_t *type, char **data, zap_size_t *len)
{
}
state->checksum = sum % 256;
state->ppos = 2;
+
if (state->buf[0] != ZAP_CID_TYPE_MDMF && state->buf[0] != ZAP_CID_TYPE_SDMF) {
state->checksum = -1;
}
return ZAP_SUCCESS;
}
+zap_size_t zap_fsk_modulator_generate_bit(zap_fsk_modulator_t *fsk_trans, int8_t bit, int16_t *buf, zap_size_t buflen)
+{
+ zap_size_t i;
+
+ for(i = 0 ; i < buflen; i++) {
+ fsk_trans->bit_accum += fsk_trans->bit_factor;
+ if (fsk_trans->bit_accum >= ZAP_FSK_MOD_FACTOR) {
+ fsk_trans->bit_accum -= (ZAP_FSK_MOD_FACTOR + fsk_trans->bit_factor);
+ break;
+ }
+
+ buf[i] = teletone_dds_state_modulate_sample(&fsk_trans->dds, bit);
+ }
+
+ return i;
+}
+
+
+int32_t zap_fsk_modulator_generate_carrier_bits(zap_fsk_modulator_t *fsk_trans, uint32_t bits)
+{
+ uint32_t i = 0;
+ zap_size_t r = 0;
+ int bit = 1;
+
+ for (i = 0; i < bits; i++) {
+ if ((r = zap_fsk_modulator_generate_bit(fsk_trans, bit, fsk_trans->sample_buffer, sizeof(fsk_trans->sample_buffer) / 2))) {
+ fsk_trans->write_sample_callback(fsk_trans->sample_buffer, r, fsk_trans->user_data);
+ } else {
+ break;
+ }
+ }
+
+ return i;
+}
+
+
+void zap_fsk_modulator_generate_chan_sieze(zap_fsk_modulator_t *fsk_trans)
+{
+ uint32_t i = 0;
+ zap_size_t r = 0;
+ int bit = 0;
+
+ for (i = 0; i < fsk_trans->chan_sieze_bits; i++) {
+ if ((r = zap_fsk_modulator_generate_bit(fsk_trans, bit, fsk_trans->sample_buffer, sizeof(fsk_trans->sample_buffer) / 2))) {
+ fsk_trans->write_sample_callback(fsk_trans->sample_buffer, r, fsk_trans->user_data);
+ } else {
+ break;
+ }
+ bit = !bit;
+ }
+
+
+}
+
+
+void zap_fsk_modulator_send_data(zap_fsk_modulator_t *fsk_trans)
+{
+ zap_size_t r = 0;
+ int8_t bit = 0;
+
+ while((bit = zap_bitstream_get_bit(&fsk_trans->bs)) > -1) {
+ if ((r = zap_fsk_modulator_generate_bit(fsk_trans, bit, fsk_trans->sample_buffer, sizeof(fsk_trans->sample_buffer) / 2))) {
+ fsk_trans->write_sample_callback(fsk_trans->sample_buffer, r, fsk_trans->user_data);
+ } else {
+ break;
+ }
+ }
+}
+
+
+zap_status_t zap_fsk_modulator_init(zap_fsk_modulator_t *fsk_trans,
+ fsk_modem_types_t modem_type,
+ uint32_t sample_rate,
+ zap_fsk_data_state_t *fsk_data,
+ float db_level,
+ uint32_t carrier_bits_start,
+ uint32_t carrier_bits_stop,
+ uint32_t chan_sieze_bits,
+ zap_fsk_write_sample_t write_sample_callback,
+ void *user_data)
+{
+ memset(fsk_trans, 0, sizeof(*fsk_trans));
+ fsk_trans->modem_type = modem_type;
+ teletone_dds_state_set_tone(&fsk_trans->dds, fsk_modem_definitions[fsk_trans->modem_type].freq_space, sample_rate, 0);
+ teletone_dds_state_set_tone(&fsk_trans->dds, fsk_modem_definitions[fsk_trans->modem_type].freq_mark, sample_rate, 1);
+ fsk_trans->bit_factor = (fsk_modem_definitions[fsk_trans->modem_type].baud_rate * ZAP_FSK_MOD_FACTOR) / (float)sample_rate;
+ fsk_trans->bit_accum = 0;
+ fsk_trans->fsk_data = fsk_data;
+ teletone_dds_state_set_tx_level(&fsk_trans->dds, db_level);
+ zap_bitstream_init(&fsk_trans->bs, fsk_trans->fsk_data->buf, fsk_trans->fsk_data->dlen, ZAP_ENDIAN_BIG, 1);
+ fsk_trans->carrier_bits_start = carrier_bits_start;
+ fsk_trans->carrier_bits_stop = carrier_bits_stop;
+ fsk_trans->chan_sieze_bits = chan_sieze_bits;
+ fsk_trans->write_sample_callback = write_sample_callback;
+ fsk_trans->user_data = user_data;
+ return ZAP_SUCCESS;
+}
return argc;
}
-void print_bits(uint8_t *b, int bl, char *buf, int blen, int e)
+void zap_bitstream_init(zap_bitstream_t *bsp, uint8_t *data, uint32_t datalen, zap_endian_t endian, int ss)
{
- int i,j = 0, k, l = 0;
+ memset(bsp, 0, sizeof(*bsp));
+ bsp->data = data;
+ bsp->datalen = datalen;
+ bsp->endian = endian;
+ bsp->ss = ss;
+
+ if (endian < 0) {
+ bsp->top = bsp->bit_index = 7;
+ bsp->bot = 0;
+ } else {
+ bsp->top = bsp->bit_index = 0;
+ bsp->bot = 7;
+ }
- if (blen < (bl * 10) + 2) {
- return;
+}
+
+int8_t zap_bitstream_get_bit(zap_bitstream_t *bsp)
+{
+ int8_t bit = -1;
+
+
+ if (bsp->byte_index >= bsp->datalen) {
+ goto done;
}
- for (k = 0 ; k < bl; k++) {
- buf[j++] = '[';
- if (e) {
- for(i = 7; i >= 0; i--) {
- buf[j++] = ((b[k] & (1 << i)) ? '1' : '0');
- }
- } else {
- for(i = 0; i < 8; i++) {
- buf[j++] = ((b[k] & (1 << i)) ? '1' : '0');
- }
+ if (bsp->ss) {
+ if (!bsp->ssv) {
+ bsp->ssv = 1;
+ return 0;
+ } else if (bsp->ssv == 2) {
+ bsp->byte_index++;
+ bsp->ssv = 0;
+ return 1;
}
- buf[j++] = ']';
- buf[j++] = ' ';
- if (++l == 6) {
- buf[j++] = '\n';
- l = 0;
+ }
+
+
+
+
+ bit = (bsp->data[bsp->byte_index] >> (bsp->bit_index)) & 1;
+
+ if (bsp->bit_index == bsp->bot) {
+ bsp->bit_index = bsp->top;
+ if (bsp->ss) {
+ bsp->ssv = 2;
+ goto done;
+ }
+
+ if (++bsp->byte_index > bsp->datalen) {
+ bit = -1;
+ goto done;
}
+
+ } else {
+ bsp->bit_index += bsp->endian;
}
+
+
+ done:
+ return bit;
+}
+
+
+void print_bits(uint8_t *b, int bl, char *buf, int blen, zap_endian_t e, int ss)
+{
+ zap_bitstream_t bs;
+ int j = 0, c = 0;
+ int8_t bit;
+ uint32_t last;
+
+ if (blen < (bl * 10) + 2) {
+ return;
+ }
- buf[j++] = '\0';
+ zap_bitstream_init(&bs, b, bl, e, ss);
+ last = bs.byte_index;
+ while((bit = zap_bitstream_get_bit(&bs)) > -1) {
+ buf[j++] = bit ? '1' : '0';
+ if (bs.byte_index != last) {
+ buf[j++] = ' ';
+ last = bs.byte_index;
+ if (++c == 8) {
+ buf[j++] = '\n';
+ c = 0;
+ }
+ }
+ }
}
zap_size_t len = (zap_size_t) mlen;
#ifdef IODEBUG
char bb[4096] = "";
- print_bits(msg, (int)len, bb, sizeof(bb), 1);
+ print_bits(msg, (int)len, bb, sizeof(bb), 1, 0);
zap_log(ZAP_LOG_DEBUG, "WRITE %d\n%s\n%s\n\n", (int)len, LINE, bb);
#endif
if (zap_channel_read(data->dchan, buf, &len) == ZAP_SUCCESS) {
#ifdef IODEBUG
char bb[4096] = "";
- print_bits(buf, (int)len, bb, sizeof(bb), 1);
+ print_bits(buf, (int)len, bb, sizeof(bb), 1, 0);
zap_log(ZAP_LOG_DEBUG, "READ %d\n%s\n%s\n\n", (int)len, LINE, bb);
#endif