From 744aa75e04d2af602c607380838991a97b06db72 Mon Sep 17 00:00:00 2001 From: mattf Date: Mon, 19 Sep 2005 18:52:35 +0000 Subject: Remove old notes/code. Fix so it works with debug disabled git-svn-id: http://svn.digium.com/svn/zaptel/trunk@771 5390a7c7-147a-4af0-8ec9-7488f05a26cb --- fxotune.c | 186 ++------------------------------------------------------------ 1 file changed, 5 insertions(+), 181 deletions(-) diff --git a/fxotune.c b/fxotune.c index bde07d9..8a7ad19 100755 --- a/fxotune.c +++ b/fxotune.c @@ -60,10 +60,7 @@ static short inline gentone(int hz, int index) } /* Returns the power of the buffer of samples in 16bit slinear format. - * power function = (sum of squares) - (square of sums). - * - * TODO: make the function stateless so that you can have some sort of - * progressive power calculation on the line */ + * power function = (sum of squares) - (square of sums). */ static float power_of(void *prebuf, int bufsize, int short_format) { float sum_of_squares = 0, square_of_sums = 0; @@ -121,174 +118,6 @@ static float power_of(void *prebuf, int bufsize, int short_format) return sqrtf(finalanswer); } -#if 0 -int fill_outputdata(int freq) -{ - int i = 0; - - for (i = 0; i < TESTDURATIION; i++) - outbuf[i] = gentone(freq, i); - - - - int randdev; - int cursize = 0; - int needlen = TEST_DURATION * 2; - int res; - - fprintf(stdout, "Getting random impulse data\n"); - randdev = open("/dev/urandom", O_RDONLY); - if (randdev < 0) { - fprintf(stdout, "Unable to open /dev/random: %s\n", strerror(errno)); - return -1; - } - - while (needlen) { - res = read(randdev, &outbuf[cursize], needlen); - if (res <= 0) { - fprintf(stdout, "WARNING: could not read from /dev/random: %s\n", strerror(errno)); - return -1; - } - cursize += res; - needlen -= res; - } - - fprintf(stdout, "Succesfully filled the random data buffer\n"); - close(randdev); - - return 0; -} -#endif - - -#if 0 -/* Returns index in echocan table with the lowest power pulse readback - * -1 means the device is not an FXO module or fails */ -static int echo_tune(int whichzap, const char *dialstr) -{ - int bestval = -1; - int bestindex = -1; - int i = 0, j=0; - int x; - int res = 0; - int total = sizeof(echo_trys) / sizeof(struct wctdm_echo_coefs); - short inbuf[BUFFER_LENGTH]; - struct zt_bufferinfo bi; - struct zt_dialoperation dop; - struct wctdm_echo_coefs coefs; - - /* Set echo settings */ - memset(&coefs, 0, sizeof(coefs)); - if (ioctl(whichzap, WCTDM_SET_ECHOTUNE, &coefs)) { - fprintf(stdout, "Skipping non-TDM / non-FXO\n"); - return -1; - } - - x = 1; - if (ioctl(whichzap, ZT_SETLINEAR, &x)) { - fprintf(stderr, "Unable to set channel to signed linear mode.\n"); - return -1; - } - - memset(&bi, 0, sizeof(bi)); - if (ioctl(whichzap, ZT_GET_BUFINFO, &bi)) { - fprintf(stderr, "Unable to get buffer information!\n"); - return -1; - } - bi.numbufs = 2; - bi.bufsize = BUFFER_LENGTH; - bi.txbufpolicy = ZT_POLICY_IMMEDIATE; - bi.rxbufpolicy = ZT_POLICY_IMMEDIATE; - if (ioctl(whichzap, ZT_SET_BUFINFO, &bi)) { - fprintf(stderr, "Unable to set buffer information!\n"); - return -1; - } - - /* XXX May need to put in a loop XXX */ - for (j=0;j<(total + 15)/16;j++) { - printf("Going off hook!\n"); - /* Take off hook */ - x = ZT_OFFHOOK; - if(ioctl(whichzap, ZT_HOOK, &x)) { - fprintf(stdout, "Unable to set hook state.\n"); - return -1; - } - sleep(2); - printf("Off hook (event = %d)!\n", x); - memset(&dop, 0, sizeof(dop)); - dop.op = ZT_DIAL_OP_REPLACE; - dop.dialstr[0] = 'T'; - strncpy(dop.dialstr + 1, dialstr, sizeof(dop.dialstr) - 1); - printf("Dialing...\n"); - if (ioctl(whichzap, ZT_DIAL, &dop)) { - fprintf(stderr, "Unable to dial!\n"); - return -1; - } - sleep(2); - printf("Finished Dialing...\n"); - - for (i = j * 16; (i < total) && (i < (j+1) * 16); i++) { - /* Set echo settings */ - if (ioctl(whichzap, WCTDM_SET_ECHOTUNE, &echo_trys[i])) { - fprintf(stderr, "Unable to set echo params: %s\n", strerror(errno)); - return -1; - } - - x = ZT_FLUSH_READ | ZT_FLUSH_WRITE | ZT_FLUSH_EVENT; - if (ioctl(whichzap, ZT_FLUSH, &x)) { - fprintf(stderr, "Unable to flush I/O: %s\n", strerror(errno)); - return -1; - } - - /* write samples */ - res = write(whichzap, outbuf, TEST_DURATION * 2); - if (res < 0) { - fprintf(stdout, "Unable to write: %s\n", strerror(errno)); - return -1; - } - - if (res != TEST_DURATION * 2) { - fprintf(stdout, "Only could write %d of %d bytes.\n", res, TEST_DURATION * 2); - return -1; - } - - res = read(whichzap, inbuf, BUFFER_LENGTH * 2); - if (res < 0) { - fprintf(stdout, "Error in read: %s\n", strerror(errno)); - return -1; - } - - if (res != BUFFER_LENGTH * 2) { - fprintf(stdout, "Only could read %d of %d bytes.\n", res, BUFFER_LENGTH * 2); - return -1; - } - - res = process_readbuf(inbuf); - printf("Test %d: %d\n", i + 1, res); - /* Check to see if the echo values */ - if ((res < bestval) || (bestval < 0)) { - bestval = res; - bestindex = i; - } - usleep(100000); - } - printf("Going on hook!\n"); - /* Take off hook */ - x = ZT_ONHOOK; - if(ioctl(whichzap, ZT_HOOK, &x)) { - fprintf(stdout, "Unable to set hook state.\n"); - return -1; - } - sleep(2); - printf("On hook (event = %d)!\n", x); - } - printf("Best is %d from index %d\n", bestval, bestindex); - - return 0; - -} -#endif - /* Tune the line impedance. Look for best response range */ static int acim_tune(int whichzap, char *dialstr) { @@ -418,8 +247,10 @@ static int acim_tune(int whichzap, char *dialstr) acim_results[acim] = power_of(freq_results, 15, 0); } - for (i = 0; i < 16; i++) - fprintf(outfile, "acim_results[%d] = %f\n", i, acim_results[i]); + if (debug) { + for (i = 0; i < 16; i++) + fprintf(outfile, "acim_results[%d] = %f\n", i, acim_results[i]); + } /* Find out what the "best" impedance is for the line */ lowest = 0; for (i = 0; i < 16; i++) { @@ -541,13 +372,6 @@ set: /* Do output to file */ int len = 0; static char output[255] = ""; -#if 0 - snprintf(output, sizeof(output), "%d=%d,%d,%d,%d,%d,%d,%d,%d,%d\n", i+1, - echo_trys[i].acim, echo_trys[i].coef1, echo_trys[i].coef2, - echo_trys[i].coef3, echo_trys[i].coef4, echo_trys[i].coef5, - echo_trys[i].coef6, echo_trys[i].coef7, echo_trys[i].coef8 ); -#endif - snprintf(output, sizeof(output), "%d=%d,%d,%d,%d,%d,%d,%d,%d,%d\n", i+1, res, 0, 0, 0, 0, 0, 0, 0, 0); len = strlen(output); -- cgit v1.2.3