3 * Werner Pfister <Pfister_Werner@intercontrol.de>
5 * (C) Copyright 2009 Semihalf, Grzegorz Bernacki
7 * See file CREDITS for list of people who contributed to this
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
32 DECLARE_GLOBAL_DATA_PTR;
34 static const char *led_names[] = {
47 static int msp430_xfer(const void *dout, void *din)
51 err = spi_xfer(NULL, MTC_TRANSFER_SIZE, dout, din,
52 SPI_XFER_BEGIN | SPI_XFER_END);
54 /* The MSP chip needs time to ready itself for the next command */
60 static void mtc_calculate_checksum(tx_msp_cmd *packet)
65 buff = (uchar *) packet;
67 for (i = 0; i < 6; i++)
68 packet->cks += buff[i];
71 static int do_mtc_led(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
79 return cmd_usage(cmdtp);
81 memset(&pcmd, 0, sizeof(pcmd));
82 memset(&prx, 0, sizeof(prx));
84 pcmd.cmd = CMD_SET_LED;
87 for (i = 0; strlen(led_names[i]) != 0; i++) {
88 if (strncmp(argv[1], led_names[i], strlen(led_names[i])) == 0) {
94 if (pcmd.cmd_val0 == 0xff) {
95 printf("Usage:\n%s\n", cmdtp->help);
100 if (strncmp(argv[2], "red", 3) == 0)
102 else if (strncmp(argv[2], "green", 5) == 0)
104 else if (strncmp(argv[2], "orange", 6) == 0)
111 pcmd.cmd_val2 = simple_strtol(argv[3], NULL, 10);
115 mtc_calculate_checksum(&pcmd);
116 err = msp430_xfer(&pcmd, &prx);
121 static int do_mtc_key(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
127 memset(&pcmd, 0, sizeof(pcmd));
128 memset(&prx, 0, sizeof(prx));
130 pcmd.cmd = CMD_GET_VIM;
132 mtc_calculate_checksum(&pcmd);
133 err = msp430_xfer(&pcmd, &prx);
136 /* function returns '0' if key is pressed */
137 err = (prx.input & 0x80) ? 0 : 1;
143 static int do_mtc_digout(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
148 uchar channel_mask = 0;
151 return cmd_usage(cmdtp);
153 if (strncmp(argv[1], "on", 2) == 0)
155 if (strncmp(argv[2], "on", 2) == 0)
158 memset(&pcmd, 0, sizeof(pcmd));
159 memset(&prx, 0, sizeof(prx));
161 pcmd.cmd = CMD_GET_VIM;
162 pcmd.user_out = channel_mask;
164 mtc_calculate_checksum(&pcmd);
165 err = msp430_xfer(&pcmd, &prx);
170 static int do_mtc_digin(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
175 uchar channel_num = 0;
178 return cmd_usage(cmdtp);
180 channel_num = simple_strtol(argv[1], NULL, 10);
181 if ((channel_num != 1) && (channel_num != 2)) {
182 printf("mtc digin: invalid parameter - must be '1' or '2'\n");
186 memset(&pcmd, 0, sizeof(pcmd));
187 memset(&prx, 0, sizeof(prx));
189 pcmd.cmd = CMD_GET_VIM;
191 mtc_calculate_checksum(&pcmd);
192 err = msp430_xfer(&pcmd, &prx);
195 /* function returns '0' when digin is on */
196 err = (prx.input & channel_num) ? 0 : 1;
202 static int do_mtc_appreg(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
210 memset(&pcmd, 0, sizeof(pcmd));
211 memset(&prx, 0, sizeof(prx));
213 pcmd.cmd = CMD_WD_PARA;
214 pcmd.cmd_val0 = 5; /* max. Count */
215 pcmd.cmd_val1 = 5; /* max. Time */
216 pcmd.cmd_val2 = 0; /* =0 means read appreg */
218 mtc_calculate_checksum(&pcmd);
219 err = msp430_xfer(&pcmd, &prx);
222 sprintf(buf, "%d", prx.ack2);
223 setenv("appreg", buf);
229 static int do_mtc_version(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
235 memset(&pcmd, 0, sizeof(pcmd));
236 memset(&prx, 0, sizeof(prx));
238 pcmd.cmd = CMD_FW_VERSION;
240 mtc_calculate_checksum(&pcmd);
241 err = msp430_xfer(&pcmd, &prx);
244 printf("FW V%d.%d.%d / HW %d\n",
245 prx.ack0, prx.ack1, prx.ack3, prx.ack2);
251 static int do_mtc_state(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
257 memset(&pcmd, 0, sizeof(pcmd));
258 memset(&prx, 0, sizeof(prx));
260 pcmd.cmd = CMD_WD_WDSTATE;
263 mtc_calculate_checksum(&pcmd);
264 err = msp430_xfer(&pcmd, &prx);
267 printf("State %02Xh\n", prx.state);
268 printf("Input %02Xh\n", prx.input);
269 printf("UserWD %02Xh\n", prx.ack2);
270 printf("Sys WD %02Xh\n", prx.ack3);
271 printf("WD Timout %02Xh\n", prx.ack0);
272 printf("eSysState %02Xh\n", prx.ack1);
278 static int do_mtc_help(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
280 cmd_tbl_t cmd_mtc_sub[] = {
281 U_BOOT_CMD_MKENT(led, 3, 1, do_mtc_led,
283 "[ledname] [state] [blink]\n"
284 " - lednames: diag can1 can2 can3 can4 usbpwr usbbusy user1 user2\n"
285 " - state: off red green orange\n"
286 " - blink: blink interval in 100ms steps (1 - 10; 0 = static)\n"),
287 U_BOOT_CMD_MKENT(key, 0, 1, do_mtc_key,
288 "returns state of user key", ""),
289 U_BOOT_CMD_MKENT(version, 0, 1, do_mtc_version,
290 "returns firmware version of supervisor uC", ""),
291 U_BOOT_CMD_MKENT(appreg, 0, 1, do_mtc_appreg,
292 "reads appreg value and stores in environment variable 'appreg'", ""),
293 U_BOOT_CMD_MKENT(digin, 1, 1, do_mtc_digin,
294 "returns state of digital input",
295 "<channel_num> - get state of digital input (1 or 2)\n"),
296 U_BOOT_CMD_MKENT(digout, 2, 1, do_mtc_digout,
297 "sets digital outputs",
298 "<on|off> <on|off>- set state of digital output 1 and 2\n"),
299 U_BOOT_CMD_MKENT(state, 0, 1, do_mtc_state,
300 "displays state", ""),
301 U_BOOT_CMD_MKENT(help, 4, 1, do_mtc_help, "get help",
302 "[command] - get help for command\n"),
305 static int do_mtc_help(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
307 extern int _do_help(cmd_tbl_t *cmd_start, int cmd_items,
308 cmd_tbl_t *cmdtp, int flag,
309 int argc, char * const argv[]);
310 #ifdef CONFIG_SYS_LONGHELP
313 return _do_help(&cmd_mtc_sub[0],
314 ARRAY_SIZE(cmd_mtc_sub), cmdtp, flag, argc, argv);
317 int cmd_mtc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
322 c = find_cmd_tbl(argv[1], &cmd_mtc_sub[0], ARRAY_SIZE(cmd_mtc_sub));
326 return c->cmd(c, flag, argc, argv);
328 /* Unrecognized command */
329 return cmd_usage(cmdtp);
335 U_BOOT_CMD(mtc, 5, 1, cmd_mtc,
336 "special commands for digsyMTC",
337 "[subcommand] [args...]\n"
338 "Subcommands list:\n"
339 "led [ledname] [state] [blink] - set state of leds\n"
340 " [ledname]: diag can1 can2 can3 can4 usbpwr usbbusy user1 user2\n"
341 " [state]: off red green orange\n"
342 " [blink]: blink interval in 100ms steps (1 - 10; 0 = static)\n"
343 "key - returns state of user key\n"
344 "version - returns firmware version of supervisor uC\n"
345 "appreg - reads appreg value and stores in environment variable"
347 "digin [channel] - returns state of digital input (1 or 2)\n"
348 "digout <on|off> <on|off> - sets state of two digital outputs\n"
349 "state - displays state\n"
350 "help [subcommand] - get help for subcommand\n"