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fc-shell TCH DL handler: add support for CSD modes TCH DL capture mechanism in FC Tourmaline firmware has been extended to support CSD modes in addition to speech - add the necessary support on the host tools side. It needs to be noted that this mechanism in its present state does NOT provide the debug utility value that was sought: as we learned only after the code was implemented, TI's DSP has a misfeature in that the buffer we are reading (a_dd_0[]) is zeroed out when the IDS block is enabled, i.e., we are reading all zeros and not the real DL bits we were after. But since the code has already been written, we are keeping it - perhaps we can do some tests with IDS disabled.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 26 Nov 2024 06:27:43 +0000
parents 9706832b740b
children
line wrap: on
line source

/*
 * Basic ETM interaction
 */

#include <sys/types.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#include "pktmux.h"
#include "limits.h"
#include "etm.h"
#include "tm3.h"
#include "exitcodes.h"

extern u_char rvi_msg[];
extern int rvi_msg_len;

void
print_etm_pkt_raw(err)
	char *err;
{
	char buf[MAX_PKT_FROM_TARGET*3+80], *dp;
	int i;

	sprintf(buf, "%s:", err);
	dp = index(buf, '\0');
	for (i = 2; i < rvi_msg_len; i++) {
		sprintf(dp, " %02X", rvi_msg[i]);
		dp += 3;
	}
	async_msg_output(buf);
}

void
etm_packet_rx()
{
	int i, c;

	if (rvi_msg_len < 4) {
runt:		print_etm_pkt_raw("TM runt");
		return;
	}
	c = 0;
	for (i = 2; i < rvi_msg_len; i++)
		c ^= rvi_msg[i];
	if (c) {
		print_etm_pkt_raw("BAD CKSUM");
		return;
	}
	switch (rvi_msg[2]) {
	case ETM_CORE:
		if (rvi_msg_len < 6)
			goto runt;
		tmcore_msg_rx();
		return;
	case ETM_FFS1:
		print_etm_pkt_raw("FFS1");
		return;
	case ETM_FFS2:
		if (rvi_msg_len < 5)
			goto runt;
		handle_ffs2_response();
		return;
	case ETM_AUDIO:
		if (rvi_msg_len < 6)
			goto runt;
		etm_audio_msg_rx();
		return;
	case ETM_BSIM:
		if (rvi_msg_len < 5)
			goto runt;
		handle_bsim_response();
		return;
	/* TM3 */
	case MEM_READ:
		if (rvi_msg_len < 5)
			goto runt;
		handle_omr_response();
		return;
	case MEM_WRITE:
		l1tm_response_nodata("omw");
		return;
	case CODEC_READ:
		if (rvi_msg_len < 5)
			goto runt;
		handle_oabbr_response();
		return;
	case CODEC_WRITE:
		l1tm_response_nodata("oabbw");
		return;
	/* L1TM */
	case TM_INIT:
		l1tm_response_nodata("tminit");
		return;
	case TM_MODE_SET:
		l1tm_response_nodata("tms");
		return;
	case VERSION_GET:
		if (rvi_msg_len < 5)
			goto runt;
		l1tm_response_index_val("tm3ver");
		return;
	case RF_ENABLE:
		l1tm_rfe_response();
		return;
	case STATS_READ:
		l1tm_stats_response();
		return;
	case STATS_CONFIG_WRITE:
		if (rvi_msg_len < 5)
			goto runt;
		l1tm_response_index("scw");
		return;
	case STATS_CONFIG_READ:
		if (rvi_msg_len < 5)
			goto runt;
		l1tm_response_index_val("scr");
		return;
	case RF_PARAM_WRITE:
		if (rvi_msg_len < 5)
			goto runt;
		l1tm_response_index("rfpw");
		return;
	case RF_PARAM_READ:
		if (rvi_msg_len < 5)
			goto runt;
		l1tm_response_index_val("rfpr");
		return;
	case RF_TABLE_WRITE:
		if (rvi_msg_len < 5)
			goto runt;
		l1tm_response_index("rftw");
		return;
	case RF_TABLE_READ:
		if (rvi_msg_len < 5)
			goto runt;
		l1tm_rftr_response();
		return;
	case RX_PARAM_WRITE:
		if (rvi_msg_len < 5)
			goto runt;
		l1tm_response_index("rxpw");
		return;
	case RX_PARAM_READ:
		if (rvi_msg_len < 5)
			goto runt;
		l1tm_response_index_val("rxpr");
		return;
	case TX_PARAM_WRITE:
		if (rvi_msg_len < 5)
			goto runt;
		l1tm_response_index("txpw");
		return;
	case TX_PARAM_READ:
		if (rvi_msg_len < 5)
			goto runt;
		l1tm_response_index_val("txpr");
		return;
	case TX_TEMPLATE_WRITE:
		if (rvi_msg_len < 5)
			goto runt;
		l1tm_ttw_response();
		return;
	case TX_TEMPLATE_READ:
		if (rvi_msg_len < 5)
			goto runt;
		l1tm_ttr_response();
		return;
	case MISC_PARAM_WRITE:
		if (rvi_msg_len < 5)
			goto runt;
		l1tm_response_index("mpw");
		return;
	case MISC_PARAM_READ:
		if (rvi_msg_len < 5)
			goto runt;
		l1tm_response_index_val("mpr");
		return;
	case MISC_ENABLE:
		if (rvi_msg_len < 5)
			goto runt;
		l1tm_response_index("me");
		return;
	default:
		print_etm_pkt_raw("TM unknown");
	}
}

cmd_tmpkt(argc, argv)
	char **argv;
{
	u_char pkt[MAX_PKT_TO_TARGET];
	int di, c, b;
	char **ap;

	pkt[0] = RVT_TM_HEADER;
	di = 1;
	c = 0;
	for (ap = argv + 1; *ap; ap++) {
		b = strtoul(*ap, 0, 16);
		pkt[di++] = b;
		c ^= b;
	}
	pkt[di++] = c;
	send_pkt_to_target(pkt, di);
	return(0);
}

void
send_etm_cmd(buf, len)
	u_char *buf;
{
	int i, c;

	buf[0] = RVT_TM_HEADER;
	c = 0;
	for (i = 1; i <= len; i++)
		c ^= buf[i];
	buf[i] = c;
	send_pkt_to_target(buf, len + 2);
}