aboutsummaryrefslogtreecommitdiffstats
path: root/demos/MSP430-MSP430F5437/main.c
blob: 3ad58cdda356f339f409142f040c407e1e056eb3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
/*
    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
                 2011,2012 Giovanni Di Sirio.

    This file is part of ChibiOS/RT.

    ChibiOS/RT is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.

    ChibiOS/RT is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    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, see <http://www.gnu.org/licenses/>.
*/

#include "ch.h"
#include "hal.h"
#include "test.h"
#include "chprintf.h"
#include "shell.h"

/*
 * Red LEDs blinker thread, times are in milliseconds.
 */
static WORKING_AREA(waThread1, 64);
static msg_t Thread1(void *arg) {

  (void)arg;
  chRegSetThreadName("red blinker");
  
  while (TRUE) {
    palSetPad(IOPORT6, P6_O_RED_LED);
    chThdSleepMilliseconds(500);
    palClearPad(IOPORT6, P6_O_RED_LED);
    chThdSleepMilliseconds(500);
  }
  return 0;
}

/*
 * Green LEDs blinker thread, times are in milliseconds.
 */
static WORKING_AREA(waThread2, 64);
static msg_t Thread2(void *arg) {

  (void)arg;
  chRegSetThreadName("green blinker");
  
  while (TRUE) {
    palSetPad(IOPORT6, P6_O_GREEN_LED);
    chThdSleepMilliseconds(1500);
    palClearPad(IOPORT6, P6_O_GREEN_LED);
    chThdSleepMilliseconds(1500);
  }
  return 0;
}

static void cmd_mem(BaseChannel *chp, int argc, char *argv[]) {
  size_t n, size;

  (void)argv;
  if (argc > 0) {
    chprintf(chp, "Usage: mem\r\n");
    return;
  }
  n = chHeapStatus(NULL, &size);
  chprintf(chp, "core free memory : %u bytes\r\n", chCoreStatus());
  chprintf(chp, "heap fragments   : %u\r\n", n);
  chprintf(chp, "heap free total  : %u bytes\r\n", size);
}

static void cmd_threads(BaseChannel *chp, int argc, char *argv[]) {
  static const char *states[] = {THD_STATE_NAMES};
  Thread *tp;

  (void)argv;
  if (argc > 0) {
    chprintf(chp, "Usage: threads\r\n");
    return;
  }
  chprintf(chp, "    addr    stack prio refs     state time\r\n");
  tp = chRegFirstThread();
  do {
    chprintf(chp, "%.8lx %.8lx %4lu %4lu %9s %lu\r\n",
            (uint32_t)tp, (uint32_t)tp->p_ctx.sp,
            (uint32_t)tp->p_prio, (uint32_t)(tp->p_refs - 1),
            states[tp->p_state], (uint32_t)tp->p_time);
    tp = chRegNextThread(tp);
  } while (tp != NULL);
}

static void cmd_test(BaseChannel *chp, int argc, char *argv[]) {

  (void)argv;
  if (argc > 0) {
    chprintf(chp, "Usage: test\r\n");
    return;
  }

  TestThread(chp);
}

static void cmd_reboot(BaseChannel *chp, int argc, char *argv[]){
  (void)argv;
  if (argc > 0) {
    chprintf(chp, "Usage: rboot\r\n");
    return;
  }
  chprintf(chp, "rebooting...\r\n");
  chThdSleepMilliseconds(100);
  
  WDTCTL = 0; /* Giving invalid value to watchdog cause reboot. */
}

static const ShellCommand commands[] = {
  {"mem", cmd_mem},
  {"threads", cmd_threads},
  {"test", cmd_test},
  {"reboot", cmd_reboot},
  {NULL, NULL}
};

static const ShellConfig shell_cfg[] = {
  {(BaseChannel *)&SD1, commands},
  {(BaseChannel *)&SD2, commands},
};

/*
 * Application entry point.
 */
int main(void) { 

  /* RTC initially stopped.*/
  WDTCTL = WDTPW | WDTHOLD;

  /*
   * System initializations.
   * - HAL initialization, this also initializes the configured device drivers
   *   and performs the board-specific initializations.
   * - Kernel initialization, the main() function becomes a thread and the
   *   RTOS is active.
   */
  halInit();
  chSysInit();
  
  /*
   * The main() function becomes a thread here then the interrupts are
   * enabled and ChibiOS/RT goes live.
   */  

  /*
   * Activates the serial driver 2 using the driver default configuration.
   */
  sdStart(&SD1, NULL);
  sdStart(&SD2, NULL);
  
  /* Shell manager initialization.*/
  shellInit();
  static WORKING_AREA(waShell1, 512);
  shellCreateStatic(&shell_cfg[0], waShell1, sizeof(waShell1), NORMALPRIO);
  static WORKING_AREA(waShell2, 512);
  shellCreateStatic(&shell_cfg[1], waShell2, sizeof(waShell2), NORMALPRIO);

  /* Creates the blinker thread. */
  Thread *th[] = {
    chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO+1, Thread1, NULL),
    chThdCreateStatic(waThread2, sizeof(waThread2), NORMALPRIO+2, Thread2, NULL),
  };
  
  cnt_t idx;
  for( idx = 0; idx < sizeof(th)/sizeof(th[0]); ++idx ) {
      msg_t msg = chThdWait(th[idx]);
  } 

  /*
   * Normal main() thread activity, in this demo it does nothing except
   * sleeping in a loop.
   */
  while (TRUE) {
    chThdSleepMilliseconds(500);
  }
  return 0;
}