1 files changed, 110 insertions, 0 deletions
diff --git a/testhal/STM32F4xx/EXT/main.c b/testhal/STM32F4xx/EXT/main.c
new file mode 100644
index 000000000..495428478
--- /dev/null
+++ b/testhal/STM32F4xx/EXT/main.c
@@ -0,0 +1,110 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+                 2011 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"
+
+static void led5off(void *arg) {
+
+  (void)arg;
+  palClearPad(GPIOD, GPIOD_LED5);
+}
+
+/* Triggered when the button is pressed or released. The LED5 is set to ON.*/
+static void extcb1(EXTDriver *extp, expchannel_t channel) {
+  static VirtualTimer vt4;
+
+  (void)extp;
+  (void)channel;
+
+  palSetPad(GPIOD, GPIOD_LED5);
+  chSysLockFromIsr();
+  if (chVTIsArmedI(&vt4))
+    chVTResetI(&vt4);
+
+  /* LED4 set to OFF after 200mS.*/
+  chVTSetI(&vt4, MS2ST(200), led5off, NULL);
+  chSysUnlockFromIsr();
+}
+
+static const EXTConfig extcfg = {
+  {
+   {EXT_CH_MODE_BOTH_EDGES | EXT_CH_MODE_AUTOSTART, extcb1},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL}
+  },
+  EXT_MODE_EXTI(EXT_MODE_GPIOA, /* Button.*/
+                0, 0, 0, 0, 0, 0, 0, 0,
+                0, 0, 0, 0, 0, 0, 0)
+};
+
+/*
+ * Application entry point.
+ */
+int main(void) {
+
+  /*
+   * 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 EXT driver 1.
+   */
+  extStart(&EXTD1, &extcfg);
+
+  /*
+   * Normal main() thread activity, in this demo it enables and disables the
+   * button EXT channel using 5 seconds intervals.
+   */
+  while (TRUE) {
+    EXTI->SWIER = 64;
+    chThdSleepMilliseconds(5000);
+    extChannelDisable(&EXTD1, 0);
+    EXTI->SWIER = 64;
+    chThdSleepMilliseconds(5000);
+    extChannelEnable(&EXTD1, 0);
+  }
+}