LED Blinker included to ensure the board is live.
mcuconf.h used from demo. Check this lines if used other mcuconf.h
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/*
* SERIAL driver system settings.
*/
#define STM32_SERIAL_USE_USART1 TRUE
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/**
* @brief Enables the SERIAL subsystem.
*/
#if !defined(HAL_USE_SERIAL) || defined(__DOXYGEN__)
#define HAL_USE_SERIAL TRUE
#endif
...
/*===========================================================================*/
/* SERIAL driver related settings. */
/*===========================================================================*/
/**
* @brief Default bit rate.
* @details Configuration parameter, this is the baud rate selected for the
* default configuration.
*/
#if !defined(SERIAL_DEFAULT_BITRATE) || defined(__DOXYGEN__)
#define SERIAL_DEFAULT_BITRATE 38400
#endif
chconf.h
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/**
* @brief Managed RAM size.
...
*/
#if !defined(CH_MEMCORE_SIZE) || defined(__DOXYGEN__)
#define CH_MEMCORE_SIZE 0
#endif
main.c
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/*
#include <stdio.h>
#include <string.h>
#include "ch.h"
#include "hal.h"
#include "shell.h"
#include "chprintf.h"
/*===========================================================================*/
/* Command line related. */
/*===========================================================================*/
#define SHELL_WA_SIZE THD_WA_SIZE(512)
static void cmd_mem(BaseSequentialStream *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(BaseSequentialStream *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.r13,
(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 const ShellCommand commands[] = {
{"mem", cmd_mem},
{"threads", cmd_threads},
{NULL, NULL}
};
static const ShellConfig shell_cfg1 = {
(BaseSequentialStream *)&SD1,
commands
};
/*===========================================================================*/
/* Main and generic code. */
/*===========================================================================*/
/*
* LEDs blinker thread, times are in milliseconds.
*/
static WORKING_AREA(waThread1, 128);
static msg_t Thread1(void *arg) {
(void)arg;
chRegSetThreadName("blinker");
while (TRUE) {
palSetPad(GPIOC, GPIOC_LED3);
chThdSleepMilliseconds(250);
palClearPad(GPIOC, GPIOC_LED3);
chThdSleepMilliseconds(250);
}
}
/*
* Application entry point.
*/
int main(void) {
Thread *shelltp = NULL;
/*
* 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();
/*
* Activates the serial driver 1 and SDC driver 1 using default
* configuration.
*/
sdStart(&SD1, NULL);
//sdcStart(&SDCD1, NULL);
/*
* Shell manager initialization.
*/
shellInit();
/*
* Creates the blinker thread.
*/
chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
/*
* Normal main() thread activity, in this demo it does nothing except
* sleeping in a loop and listen for events.
*/
while (TRUE) {
if (!shelltp)
shelltp = shellCreate(&shell_cfg1, SHELL_WA_SIZE, NORMALPRIO);
else if (chThdTerminated(shelltp)) {
chThdRelease(shelltp); /* Recovers memory of the previous shell. */
shelltp = NULL; /* Triggers spawning of a new shell. */
}
}
}
makefile - add sources from os/various/
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# C sources that can be compiled in ARM or THUMB mode depending on the global
# setting.
CSRC = $(PORTSRC) \
$(KERNSRC) \
$(TESTSRC) \
$(HALSRC) \
$(PLATFORMSRC) \
$(BOARDSRC) \
${CHIBIOS}/os/various/shell.c \
${CHIBIOS}/os/various/memstreams.c \
$(CHIBIOS)/os/various/evtimer.c \
$(CHIBIOS)/os/various/syscalls.c \
$(CHIBIOS)/os/various/chprintf.c \
main.c
...
INCDIR = $(PORTINC) $(KERNINC) $(TESTINC) \
$(HALINC) $(PLATFORMINC) $(BOARDINC) \
$(CHIBIOS)/os/various