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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

/*
 * Handling of ETM_BSIM responses (FreeCalypso addition to fw)
 */

#include <sys/types.h>
#include <stdio.h>
#include "bsim_etm_cmd.h"

extern u_char rvi_msg[];
extern int rvi_msg_len;

static char *cmd_names[] = {
	"query", "disch", "start", "ci2cv", "complete", "ichg", "start-enable"
};

static void
handle_bsim_error()
{
	char *errstr;
	char msg[80];

	if (rvi_msg_len != 6) {
		print_etm_pkt_raw("ETM_BSIM long error packet");
		return;
	}
	switch (rvi_msg[3]) {
	case BSIM_ERR_BAD_CMD:
		errstr = "bad command opcode";
		break;
	case BSIM_ERR_WRONG_STATE:
		errstr = "wrong state";
		break;
	case BSIM_ERR_INV_PERCENT:
		errstr = "invalid percent";
		break;
	case BSIM_ERR_INV_DISCHARGE:
		errstr = "invalid discharge";
		break;
	default:
		errstr = "unknown";
	}
	sprintf(msg, "bsim %s error 0x%02X (%s)", cmd_names[rvi_msg[4]],
		rvi_msg[3], errstr);
	async_msg_output(msg);
}

void
handle_bsim_response()
{
	char msg[80];

	if (rvi_msg_len == 5 && rvi_msg[3] == 0x3C) {
		async_msg_output("bsim: ETM_NOSYS response");
		return;
	}
	if (rvi_msg_len < 6) {
		print_etm_pkt_raw("ETM_BSIM response too short");
		return;
	}
	if (rvi_msg[4] > BSIM_CMD_START_ENABLE) {
		print_etm_pkt_raw("ETM_BSIM unknown opcode");
		return;
	}
	if (rvi_msg[3]) {
		handle_bsim_error();
		return;
	}
	if (rvi_msg_len == 6) {
		sprintf(msg, "bsim %s OK", cmd_names[rvi_msg[4]]);
		async_msg_output(msg);
		return;
	}
	if (rvi_msg[4] == BSIM_CMD_QUERY && rvi_msg_len == 9) {
		sprintf(msg, "bsim: state=%u percent=%u start_enable=%u",
			rvi_msg[5], rvi_msg[6], rvi_msg[7]);
		async_msg_output(msg);
		return;
	}
	print_etm_pkt_raw("ETM_BSIM response wrong length");
}