view rvinterf/tmsh/l1resp.c @ 407:19e5a3e2f9c0

fcup-settime: moved time() retrieval a little closer to the output A fundamental problem with all simple time transfer tools is that there is always some delay between the time retrieval on the source system and that transmitted time being set on the destination, and the resulting time on the destination system is off by that delay amount. This delay cannot be fully eliminated when working in a simple environment like ours, but we should make our best effort to minimize it. In the present case, moving the atinterf_init() call before the time() retrieval should make a teensy-tiny improvement.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 11 Aug 2018 21:52:17 +0000
parents f5a797c291be
children
line wrap: on
line source

/*
 * Handling of TM3 responses from L1TM
 */

#include <sys/types.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include "l1tm.h"

extern u_char rvi_msg[];
extern int rvi_msg_len;

unsigned rftr_table_index, rftr_table_size;
u_char rftr_table_data[MAX_RF_TABLE_SIZE];
u_char ttr_ramp_data[32];

void
l1tm_response_nodata(op)
	char *op;
{
	char buf[80];

	if (rvi_msg_len != 5) {
		sprintf(buf, "%s response wrong length", op);
		print_etm_pkt_raw(buf);
		return;
	}
	if (rvi_msg[3])
		sprintf(buf, "%s error %u (0x%02X)", op,
			rvi_msg[3], rvi_msg[3]);
	else
		sprintf(buf, "%s OK", op);
	async_msg_output(buf);
}

void
l1tm_response_index(op)
	char *op;
{
	char buf[80];

	if (rvi_msg[3]) {
		if (rvi_msg_len == 5) {
			sprintf(buf, "%s error %u (0x%02X)", op,
				rvi_msg[3], rvi_msg[3]);
			async_msg_output(buf);
		} else {
			sprintf(buf, "%s long error response", op);
			print_etm_pkt_raw(buf);
		}
		return;
	}
	if (rvi_msg_len != 6) {
		sprintf(buf, "%s response wrong length", op);
		print_etm_pkt_raw(buf);
		return;
	}
	sprintf(buf, "%s index %u (0x%02X) OK", op, rvi_msg[4], rvi_msg[4]);
	async_msg_output(buf);
}

void
l1tm_response_index_val(op)
	char *op;
{
	char buf[80];
	unsigned val;

	if (rvi_msg[3]) {
		if (rvi_msg_len == 5) {
			sprintf(buf, "%s error %u (0x%02X)", op,
				rvi_msg[3], rvi_msg[3]);
			async_msg_output(buf);
		} else {
			sprintf(buf, "%s long error response", op);
			print_etm_pkt_raw(buf);
		}
		return;
	}
	if (rvi_msg_len != 8) {
		sprintf(buf, "%s response wrong length", op);
		print_etm_pkt_raw(buf);
		return;
	}
	val = rvi_msg[5] | (rvi_msg[6] << 8);
	if (val >= 0x8000)
		sprintf(buf, "%s index %u (0x%02X): 0x%04X (%u or %d)", op,
			rvi_msg[4], rvi_msg[4], val, val, (int)val - 65536);
	else
		sprintf(buf, "%s index %u (0x%02X): 0x%04X (%u)", op,
			rvi_msg[4], rvi_msg[4], val, val);
	async_msg_output(buf);
}

void
l1tm_rfe_response()
{
	char buf[80];

	if (rvi_msg_len < 5 || rvi_msg_len > 6) {
		print_etm_pkt_raw("RF_ENABLE response wrong length");
		return;
	}
	switch (rvi_msg[3]) {
	case 0:
		async_msg_output("rfe OK");
		return;
	case 1:
		async_msg_output("RF operation finished");
		return;
	default:
		sprintf(buf, "rfe error %u (0x%02X)", rvi_msg[3], rvi_msg[3]);
		async_msg_output(buf);
		return;
	}
}

void
l1tm_stats_response()
{
	char buf[80];
	unsigned type, bitmask, val, offset;
	int expect_len;

	if (rvi_msg_len < 5) {
wrong_len:	print_etm_pkt_raw("STATS_READ response wrong length");
		return;
	}
	if (rvi_msg[3]) {
		if (rvi_msg_len != 5)
			goto wrong_len;
		sprintf(buf, "sr error %u (0x%02X)", rvi_msg[3], rvi_msg[3]);
		async_msg_output(buf);
		return;
	}
	if (rvi_msg_len < 9)
		goto wrong_len;
	type = rvi_msg[4] | (rvi_msg[5] << 8);
	bitmask = rvi_msg[6] | (rvi_msg[7] << 8);
	if (type < 1 || type > 2 || (bitmask & 0x0300)) {
		print_etm_pkt_raw("STATS_READ response unable to parse");
		return;
	}
	expect_len = 9;
	if (bitmask & RSSI)
		expect_len += 2;
	if (bitmask & DSP_PM)
		expect_len += 2;
	if (bitmask & ANGLE_MEAN)
		expect_len += 4;
	if (bitmask & ANGLE_VAR)
		expect_len += 4;
	if (bitmask & ANGLE_MIN)
		expect_len += 4;
	if (bitmask & ANGLE_MAX)
		expect_len += 4;
	if (bitmask & SNR_MEAN)
		expect_len += 4;
	if (bitmask & SNR_VAR)
		expect_len += 4;
	if (bitmask & TOA_MEAN)
		expect_len += 4;
	if (bitmask & TOA_VAR)
		expect_len += 4;
	if (bitmask & FRAME_NUMBER)
		expect_len += 4;
	if (bitmask & RUNS)
		expect_len += 4;
	if (bitmask & SUCCESSES)
		expect_len += 4;
	if (bitmask & BSIC)
		expect_len += 2;
	if (rvi_msg_len != expect_len)
		goto wrong_len;
	sprintf(buf, "Stats type %u bitmask %04X:", type, bitmask);
	async_msg_output(buf);
	offset = 8;
	if (bitmask & RSSI) {
		val = rvi_msg[offset] | (rvi_msg[offset+1] << 8);
		offset += 2;
		sprintf(buf, "RSSI: %u (0x%04X)", val, val);
		async_msg_output(buf);
	}
	if (bitmask & DSP_PM) {
		val = rvi_msg[offset] | (rvi_msg[offset+1] << 8);
		offset += 2;
		sprintf(buf, "DSP_PM: %u (0x%04X)", val, val);
		async_msg_output(buf);
	}
	if (bitmask & ANGLE_MEAN) {
		val = rvi_msg[offset] | (rvi_msg[offset+1] << 8) |
			(rvi_msg[offset+2] << 16) | (rvi_msg[offset+3] << 24);
		offset += 4;
		sprintf(buf, "ANGLE_MEAN: %d (0x%08X)", val, val);
		async_msg_output(buf);
	}
	if (bitmask & ANGLE_VAR) {
		val = rvi_msg[offset] | (rvi_msg[offset+1] << 8) |
			(rvi_msg[offset+2] << 16) | (rvi_msg[offset+3] << 24);
		offset += 4;
		sprintf(buf, "ANGLE_VAR: %u (0x%08X)", val, val);
		async_msg_output(buf);
	}
	if (bitmask & ANGLE_MIN) {
		val = rvi_msg[offset] | (rvi_msg[offset+1] << 8) |
			(rvi_msg[offset+2] << 16) | (rvi_msg[offset+3] << 24);
		offset += 4;
		sprintf(buf, "ANGLE_MIN: %d (0x%08X)", val, val);
		async_msg_output(buf);
	}
	if (bitmask & ANGLE_MAX) {
		val = rvi_msg[offset] | (rvi_msg[offset+1] << 8) |
			(rvi_msg[offset+2] << 16) | (rvi_msg[offset+3] << 24);
		offset += 4;
		sprintf(buf, "ANGLE_MAX: %d (0x%08X)", val, val);
		async_msg_output(buf);
	}
	if (bitmask & SNR_MEAN) {
		val = rvi_msg[offset] | (rvi_msg[offset+1] << 8) |
			(rvi_msg[offset+2] << 16) | (rvi_msg[offset+3] << 24);
		offset += 4;
		sprintf(buf, "SNR_MEAN: %u (0x%08X)", val, val);
		async_msg_output(buf);
	}
	if (bitmask & SNR_VAR) {
		val = rvi_msg[offset] | (rvi_msg[offset+1] << 8) |
			(rvi_msg[offset+2] << 16) | (rvi_msg[offset+3] << 24);
		offset += 4;
		sprintf(buf, "SNR_VAR: %u (0x%08X)", val, val);
		async_msg_output(buf);
	}
	if (bitmask & TOA_MEAN) {
		val = rvi_msg[offset] | (rvi_msg[offset+1] << 8) |
			(rvi_msg[offset+2] << 16) | (rvi_msg[offset+3] << 24);
		offset += 4;
		sprintf(buf, "TOA_MEAN: %u (0x%08X)", val, val);
		async_msg_output(buf);
	}
	if (bitmask & TOA_VAR) {
		val = rvi_msg[offset] | (rvi_msg[offset+1] << 8) |
			(rvi_msg[offset+2] << 16) | (rvi_msg[offset+3] << 24);
		offset += 4;
		sprintf(buf, "TOA_VAR: %u (0x%08X)", val, val);
		async_msg_output(buf);
	}
	if (bitmask & FRAME_NUMBER) {
		val = rvi_msg[offset] | (rvi_msg[offset+1] << 8) |
			(rvi_msg[offset+2] << 16) | (rvi_msg[offset+3] << 24);
		offset += 4;
		sprintf(buf, "FRAME_NUMBER: %u (0x%08X)", val, val);
		async_msg_output(buf);
	}
	if (bitmask & RUNS) {
		val = rvi_msg[offset] | (rvi_msg[offset+1] << 8) |
			(rvi_msg[offset+2] << 16) | (rvi_msg[offset+3] << 24);
		offset += 4;
		sprintf(buf, "RUNS: %u (0x%08X)", val, val);
		async_msg_output(buf);
	}
	if (bitmask & SUCCESSES) {
		val = rvi_msg[offset] | (rvi_msg[offset+1] << 8) |
			(rvi_msg[offset+2] << 16) | (rvi_msg[offset+3] << 24);
		offset += 4;
		sprintf(buf, "SUCCESSES: %u (0x%08X)", val, val);
		async_msg_output(buf);
	}
	if (bitmask & BSIC) {
		val = rvi_msg[offset] | (rvi_msg[offset+1] << 8);
		offset += 2;
		sprintf(buf, "BSIC: %u (0x%04X)", val, val);
		async_msg_output(buf);
	}
}

void
l1tm_rftr_response()
{
	char buf[80], *dp;
	unsigned i, j, l;

	if (rvi_msg[3]) {
		if (rvi_msg_len == 5) {
			sprintf(buf, "rftr error %u (0x%02X)",
				rvi_msg[3], rvi_msg[3]);
			async_msg_output(buf);
		} else
			print_etm_pkt_raw("rftr long error response");
		return;
	}
	if (rvi_msg_len < 7 || rvi_msg_len > MAX_RF_TABLE_SIZE + 6) {
		print_etm_pkt_raw("rftr response wrong length");
		return;
	}
	rftr_table_index = rvi_msg[4];
	rftr_table_size = rvi_msg_len - 6;
	bcopy(rvi_msg + 5, rftr_table_data, rftr_table_size);
	sprintf(buf, "rftr index %u (0x%02X): %u bytes",
		rftr_table_index, rftr_table_index, rftr_table_size);
	async_msg_output(buf);
	for (i = 0; i < rftr_table_size; ) {
		l = rftr_table_size - i;
		if (l > 16)
			l = 16;
		sprintf(buf, "offset %02X:", i);
		dp = index(buf, '\0');
		for (j = 0; j < l; j++) {
			if (j == 0 || j == 8)
				*dp++ = ' ';
			sprintf(dp, " %02X", rftr_table_data[i++]);
			dp += 3;
		}
		async_msg_output(buf);
	}
}

void
l1tm_ttw_response()
{
	char buf[80];

	if (rvi_msg[3]) {
		if (rvi_msg_len == 5) {
			sprintf(buf, "ttw error %u (0x%02X)",
				rvi_msg[3], rvi_msg[3]);
			async_msg_output(buf);
		} else
			print_etm_pkt_raw("ttw long error response");
		return;
	}
	if (rvi_msg_len < 5 || rvi_msg_len > 6) {
		print_etm_pkt_raw("ttw response wrong length");
		return;
	}
	async_msg_output("ttw OK");
}

void
l1tm_ttr_response()
{
	char buf[80], *dp;
	unsigned i;

	if (rvi_msg[3]) {
		if (rvi_msg_len == 5) {
			sprintf(buf, "ttr error %u (0x%02X)",
				rvi_msg[3], rvi_msg[3]);
			async_msg_output(buf);
		} else
			print_etm_pkt_raw("ttr long error response");
		return;
	}
	if (rvi_msg_len != 38) {
		print_etm_pkt_raw("ttr response wrong length");
		return;
	}
	sprintf(buf, "ttr index %u:", rvi_msg[4]);
	async_msg_output(buf);
	bcopy(rvi_msg + 5, ttr_ramp_data, 32);
	strcpy(buf, "ramp-up  ");
	dp = buf + 9;
	for (i = 0; i < 16; i++) {
		sprintf(dp, "%4u", ttr_ramp_data[i]);
		dp += 4;
	}
	async_msg_output(buf);
	strcpy(buf, "ramp-down");
	dp = buf + 9;
	for (i = 0; i < 16; i++) {
		sprintf(dp, "%4u", ttr_ramp_data[i+16]);
		dp += 4;
	}
	async_msg_output(buf);
}