diff options
Diffstat (limited to 'demos/ARMCM4-STM32F407-WAVESHARE-OPEN-407I-C-USB_FS/main.c')
-rw-r--r-- | demos/ARMCM4-STM32F407-WAVESHARE-OPEN-407I-C-USB_FS/main.c | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/demos/ARMCM4-STM32F407-WAVESHARE-OPEN-407I-C-USB_FS/main.c b/demos/ARMCM4-STM32F407-WAVESHARE-OPEN-407I-C-USB_FS/main.c new file mode 100644 index 000000000..705af8464 --- /dev/null +++ b/demos/ARMCM4-STM32F407-WAVESHARE-OPEN-407I-C-USB_FS/main.c @@ -0,0 +1,221 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012,2013 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"
+
+#include "usbcfg.h"
+
+/* Virtual serial port over USB.*/
+static SerialUSBDriver SDU1;
+
+/*===========================================================================*/
+/* Command line related. */
+/*===========================================================================*/
+
+#define SHELL_WA_SIZE THD_WA_SIZE(2048)
+#define TEST_WA_SIZE THD_WA_SIZE(256)
+
+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 void cmd_test(BaseSequentialStream *chp, int argc, char *argv[]) {
+ Thread *tp;
+
+ (void)argv;
+ if (argc > 0) {
+ chprintf(chp, "Usage: test\r\n");
+ return;
+ }
+ tp = chThdCreateFromHeap(NULL, TEST_WA_SIZE, chThdGetPriority(),
+ TestThread, chp);
+ if (tp == NULL) {
+ chprintf(chp, "out of memory\r\n");
+ return;
+ }
+ chThdWait(tp);
+}
+
+static const ShellCommand commands[] = {
+ {"mem", cmd_mem},
+ {"threads", cmd_threads},
+ {"test", cmd_test},
+ {NULL, NULL}
+};
+
+static const ShellConfig shell_cfg1 = {
+ (BaseSequentialStream *)&SDU1,
+ commands
+};
+
+
+/*
+ * Debug output and heartbeat thread.
+ */
+static WORKING_AREA(waThread1, 128);
+static msg_t Thread1(void *arg) {
+ (void)arg;
+ systime_t time;
+
+ chRegSetThreadName("reader");
+
+#if STM32_SERIAL_USE_USART2
+ BaseSequentialStream *chp = (BaseSequentialStream *)&SD2;
+#endif
+#if STM32_SERIAL_USE_USART3
+ BaseSequentialStream *chp = (BaseSequentialStream *)&SD3;
+#endif
+
+ /* Blinky Light Loop */
+ palTogglePad(GPIOH, GPIOH_LED1);
+ palTogglePad(GPIOH, GPIOH_LED2);
+
+ while (TRUE) {
+ time = chTimeNow();
+ chprintf(chp, "Toggling LEDs: %u\r\n", time);
+ palTogglePad(GPIOH, GPIOH_LED1);
+ palTogglePad(GPIOH, GPIOH_LED2);
+ palTogglePad(GPIOI, GPIOI_LED3);
+ palTogglePad(GPIOI, GPIOI_LED4);
+
+ chThdSleep(MS2ST(500));
+ }
+}
+
+/*===========================================================================*/
+/* Initialization and main thread. */
+/*===========================================================================*/
+
+/*
+ * 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();
+
+ /*
+ * Shell manager initialization.
+ */
+ shellInit();
+
+ /*
+ * Initializes a serial-over-USB CDC driver.
+ */
+ sduObjectInit(&SDU1);
+ sduStart(&SDU1, &serusbcfg);
+
+ /*
+ * Activates the USB driver and then the USB bus pull-up on D+.
+ * Note, a delay is inserted in order to not have to disconnect the cable
+ * after a reset.
+ */
+ usbDisconnectBus(serusbcfg.usbp);
+ chThdSleepMilliseconds(1000);
+ usbStart(serusbcfg.usbp, &usbcfg);
+ usbConnectBus(serusbcfg.usbp);
+
+ /*
+ * Activates the serial driver 2 using the driver default configuration.
+ * PA2(TX) and PA3(RX) are routed to USART2.
+ */
+#if STM32_SERIAL_USE_USART2
+ sdStart(&SD2, NULL);
+ palSetPadMode(GPIOA, 2, PAL_MODE_ALTERNATE(7));
+ palSetPadMode(GPIOA, 3, PAL_MODE_ALTERNATE(7));
+#endif
+
+#if STM32_SERIAL_USE_USART3
+ sdStart(&SD3, NULL);
+ palSetPadMode(GPIOC, 10, PAL_MODE_ALTERNATE(7));
+ palSetPadMode(GPIOC, 11, PAL_MODE_ALTERNATE(7));
+#endif
+
+
+ /*
+ * Creates the example thread.
+ */
+ chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO + 10, Thread1, NULL);
+
+ /*
+ * Normal main() thread activity, in this demo it just performs
+ * a shell respawn upon its termination.
+ */
+ while (TRUE) {
+ if (!shelltp) {
+ if (SDU1.config->usbp->state == USB_ACTIVE) {
+ /* Spawns a new shell.*/
+ shelltp = shellCreate(&shell_cfg1, SHELL_WA_SIZE, NORMALPRIO);
+ }
+ }
+ else {
+ /* If the previous shell exited.*/
+ if (chThdTerminated(shelltp)) {
+ /* Recovers memory of the previous shell.*/
+ chThdRelease(shelltp);
+ shelltp = NULL;
+ }
+ }
+ chThdSleepMilliseconds(500);
+ }
+}
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