digsy MTC: Add 'mtc' command.
New command allows to:
o check FW version
o set LED status
o set digital output status
o get digital input status
Signed-off-by: Grzegorz Bernacki <gjb@semihalf.com>
This commit is contained in:
Grzegorz Bernacki
Wolfgang Denk
parent
f1f66edfc7
commit
12304871bc
@ -7,7 +7,7 @@ include $(TOPDIR)/config.mk
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LIB = $(obj)lib$(BOARD).a
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COBJS := $(BOARD).o
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COBJS := $(BOARD).o cmd_mtc.o
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SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS))
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350
board/digsy_mtc/cmd_mtc.c
Normal file
350
board/digsy_mtc/cmd_mtc.c
Normal file
@ -0,0 +1,350 @@
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/*
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* (C) Copyright 2009
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* Werner Pfister <Pfister_Werner@intercontrol.de>
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*
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* (C) Copyright 2009 Semihalf, Grzegorz Bernacki
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <command.h>
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#include <mpc5xxx.h>
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#include "spi.h"
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#include "cmd_mtc.h"
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DECLARE_GLOBAL_DATA_PTR;
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static const char *led_names[] = {
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"diag",
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"can1",
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"can2",
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"can3",
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"can4",
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"usbpwr",
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"usbbusy",
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"user1",
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"user2",
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""
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};
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static void mtc_calculate_checksum(tx_msp_cmd *packet)
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{
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int i;
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uchar *buff;
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buff = (uchar *) packet;
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for (i = 0; i < 6; i++)
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packet->cks += buff[i];
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}
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static int do_mtc_led(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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tx_msp_cmd pcmd;
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rx_msp_cmd prx;
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int err = 0;
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int i;
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if (argc < 2) {
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cmd_usage(cmdtp);
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return -1;
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}
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memset(&pcmd, 0, sizeof(pcmd));
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memset(&prx, 0, sizeof(prx));
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pcmd.cmd = CMD_SET_LED;
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pcmd.cmd_val0 = 0xff;
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for (i = 0; strlen(led_names[i]) != 0; i++) {
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if (strncmp(argv[1], led_names[i], strlen(led_names[i])) == 0) {
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pcmd.cmd_val0 = i;
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break;
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}
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}
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if (pcmd.cmd_val0 == 0xff) {
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printf("Usage:\n%s\n", cmdtp->help);
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return -1;
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}
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if (argc >= 3) {
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if (strncmp(argv[2], "red", 3) == 0)
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pcmd.cmd_val1 = 1;
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else if (strncmp(argv[2], "green", 5) == 0)
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pcmd.cmd_val1 = 2;
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else if (strncmp(argv[2], "orange", 6) == 0)
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pcmd.cmd_val1 = 3;
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else
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pcmd.cmd_val1 = 0;
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}
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if (argc >= 4)
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pcmd.cmd_val2 = simple_strtol(argv[3], NULL, 10);
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else
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pcmd.cmd_val2 = 0;
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mtc_calculate_checksum(&pcmd);
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err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx,
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SPI_XFER_BEGIN | SPI_XFER_END);
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return err;
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}
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static int do_mtc_key(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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tx_msp_cmd pcmd;
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rx_msp_cmd prx;
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int err = 0;
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memset(&pcmd, 0, sizeof(pcmd));
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memset(&prx, 0, sizeof(prx));
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pcmd.cmd = CMD_GET_VIM;
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mtc_calculate_checksum(&pcmd);
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err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx,
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SPI_XFER_BEGIN | SPI_XFER_END);
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if (!err) {
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/* function returns '0' if key is pressed */
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err = (prx.input & 0x80) ? 0 : 1;
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}
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return err;
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}
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static int do_mtc_digout(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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tx_msp_cmd pcmd;
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rx_msp_cmd prx;
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int err = 0;
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uchar channel_mask = 0;
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if (argc < 3) {
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cmd_usage(cmdtp);
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return -1;
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}
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if (strncmp(argv[1], "on", 2) == 0)
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channel_mask |= 1;
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if (strncmp(argv[2], "on", 2) == 0)
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channel_mask |= 2;
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memset(&pcmd, 0, sizeof(pcmd));
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memset(&prx, 0, sizeof(prx));
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pcmd.cmd = CMD_GET_VIM;
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pcmd.user_out = channel_mask;
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mtc_calculate_checksum(&pcmd);
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err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx,
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SPI_XFER_BEGIN | SPI_XFER_END);
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return err;
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}
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static int do_mtc_digin(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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tx_msp_cmd pcmd;
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rx_msp_cmd prx;
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int err = 0;
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uchar channel_num = 0;
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if (argc < 2) {
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cmd_usage(cmdtp);
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return -1;
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}
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channel_num = simple_strtol(argv[1], NULL, 10);
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if ((channel_num != 1) && (channel_num != 2)) {
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printf("mtc digin: invalid parameter - must be '1' or '2'\n");
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return -1;
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}
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memset(&pcmd, 0, sizeof(pcmd));
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memset(&prx, 0, sizeof(prx));
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pcmd.cmd = CMD_GET_VIM;
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mtc_calculate_checksum(&pcmd);
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err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx,
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SPI_XFER_BEGIN | SPI_XFER_END);
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if (!err) {
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/* function returns '0' when digin is on */
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err = (prx.input & channel_num) ? 0 : 1;
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}
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return err;
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}
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static int do_mtc_appreg(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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tx_msp_cmd pcmd;
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rx_msp_cmd prx;
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int err;
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char buf[5];
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/* read appreg */
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memset(&pcmd, 0, sizeof(pcmd));
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memset(&prx, 0, sizeof(prx));
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pcmd.cmd = CMD_WD_PARA;
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pcmd.cmd_val0 = 5; /* max. Count */
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pcmd.cmd_val1 = 5; /* max. Time */
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pcmd.cmd_val2 = 0; /* =0 means read appreg */
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mtc_calculate_checksum(&pcmd);
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err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx,
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SPI_XFER_BEGIN | SPI_XFER_END);
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if (!err) {
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sprintf(buf, "%d", prx.ack2);
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setenv("appreg", buf);
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}
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return err;
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}
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static int do_mtc_version(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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tx_msp_cmd pcmd;
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rx_msp_cmd prx;
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int err = 0;
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memset(&pcmd, 0, sizeof(pcmd));
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memset(&prx, 0, sizeof(prx));
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pcmd.cmd = CMD_FW_VERSION;
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mtc_calculate_checksum(&pcmd);
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err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx,
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SPI_XFER_BEGIN | SPI_XFER_END);
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if (!err) {
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printf("FW V%d.%d.%d / HW %d\n",
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prx.ack0, prx.ack1, prx.ack3, prx.ack2);
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}
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return err;
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}
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static int do_mtc_help(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
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cmd_tbl_t cmd_mtc_sub[] = {
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U_BOOT_CMD_MKENT(led, 3, 1, do_mtc_led,
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"set state of leds",
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"[ledname] [state] [blink]\n"
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" - lednames: diag can1 can2 can3 can4 usbpwr usbbusy user1 user2\n"
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" - state: off red green orange\n"
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" - blink: blink interval in 100ms steps (1 - 10; 0 = static)\n"),
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U_BOOT_CMD_MKENT(key, 0, 1, do_mtc_key,
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"returns state of user key\n", ""),
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U_BOOT_CMD_MKENT(version, 0, 1, do_mtc_version,
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"returns firmware version of supervisor uC\n", ""),
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U_BOOT_CMD_MKENT(appreg, 0, 1, do_mtc_appreg,
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"reads appreg value and stores in environment variable 'appreg'\n", ""),
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U_BOOT_CMD_MKENT(digin, 1, 1, do_mtc_digin,
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"returns state of digital input",
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"<channel_num> - get state of digital input (1 or 2)\n"),
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U_BOOT_CMD_MKENT(digout, 2, 1, do_mtc_digout,
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"sets digital outputs",
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"<on|off> <on|off>- set state of digital output 1 and 2\n"),
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U_BOOT_CMD_MKENT(help, 4, 1, do_mtc_help, "get help",
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"[command] - get help for command\n"),
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};
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static int do_mtc_help(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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extern int _do_help(cmd_tbl_t *cmd_start, int cmd_items,
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cmd_tbl_t *cmdtp, int flag,
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int argc, char *argv[]);
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#ifdef CONFIG_SYS_LONGHELP
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puts("mtc ");
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#endif
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return _do_help(&cmd_mtc_sub[0],
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ARRAY_SIZE(cmd_mtc_sub), cmdtp, flag, argc, argv);
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}
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/* Relocate the command table function pointers when running in RAM */
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int mtc_cmd_init_r(void)
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{
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cmd_tbl_t *cmdtp;
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for (cmdtp = &cmd_mtc_sub[0]; cmdtp !=
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&cmd_mtc_sub[ARRAY_SIZE(cmd_mtc_sub)]; cmdtp++) {
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ulong addr;
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addr = (ulong)(cmdtp->cmd) + gd->reloc_off;
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cmdtp->cmd =
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(int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
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addr = (ulong)(cmdtp->name) + gd->reloc_off;
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cmdtp->name = (char *)addr;
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if (cmdtp->usage) {
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addr = (ulong)(cmdtp->usage) + gd->reloc_off;
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cmdtp->usage = (char *)addr;
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}
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#ifdef CONFIG_SYS_LONGHELP
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if (cmdtp->help) {
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addr = (ulong)(cmdtp->help) + gd->reloc_off;
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cmdtp->help = (char *)addr;
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}
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#endif
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}
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return 0;
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}
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int cmd_mtc(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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cmd_tbl_t *c;
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int err = 0;
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c = find_cmd_tbl(argv[1], &cmd_mtc_sub[0], ARRAY_SIZE(cmd_mtc_sub));
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if (c) {
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argc--;
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argv++;
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return c->cmd(c, flag, argc, argv);
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} else {
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/* Unrecognized command */
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cmd_usage(cmdtp);
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return 1;
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}
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return err;
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}
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U_BOOT_CMD(mtc, 5, 1, cmd_mtc,
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"mtc - special commands for digsyMTC\n",
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"[subcommand] [args...]\n"
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"Subcommands list:\n"
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"led [ledname] [state] [blink] - set state of leds\n"
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" [ledname]: diag can1 can2 can3 can4 usbpwr usbbusy user1 user2\n"
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" [state]: off red green orange\n"
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" [blink]: blink interval in 100ms steps (1 - 10; 0 = static)\n"
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"key - returns state of user key\n"
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"version - returns firmware version of supervisor uC\n"
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"appreg - reads appreg value and stores in environment variable"
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" 'appreg'\n"
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"digin [channel] - returns state of digital input (1 or 2)\n"
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"digout <on|off> <on|off> - sets state of two digital outputs\n"
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"help [subcommand] - get help for subcommand\n");
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60
board/digsy_mtc/cmd_mtc.h
Normal file
60
board/digsy_mtc/cmd_mtc.h
Normal file
@ -0,0 +1,60 @@
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/*
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* (C) Copyright 2009
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* Werner Pfister <Pfister_Werner@intercontrol.de>
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*
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* (C) Copyright 2009 Semihalf, Grzegorz Bernacki
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
|
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
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* MA 02111-1307 USA
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*/
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#ifndef CMD_MTC_H
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#define CMD_MTC_H
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#define CMD_WD_PARA 0x02
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#define CMD_FW_VERSION 0x10
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#define CMD_GET_VIM 0x30
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#define CMD_SET_LED 0x40
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typedef struct {
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u8 cmd;
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u8 sys_in;
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u8 cmd_val0;
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u8 cmd_val1;
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u8 cmd_val2;
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u8 user_out;
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u8 cks;
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u8 dummy1;
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u8 dummy2;
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} tx_msp_cmd;
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typedef struct {
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u8 input;
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u8 state;
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u8 ack2;
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u8 ack3;
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u8 ack0;
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u8 ack1;
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u8 ack;
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u8 dummy;
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u8 cks;
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} rx_msp_cmd;
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#define MTC_TRANSFER_SIZE (sizeof(tx_msp_cmd) * 8)
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#endif
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@ -240,6 +240,7 @@ void board_get_enetaddr (uchar * enet)
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int misc_init_r(void)
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{
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extern int mtc_cmd_init_r (void);
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uchar enetaddr[6];
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if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
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@ -247,6 +248,7 @@ int misc_init_r(void)
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eth_setenv_enetaddr("ethaddr", enetaddr);
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}
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mtc_cmd_init_r();
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return 0;
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}
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