1 files changed, 103 insertions, 0 deletions
diff --git a/testhal/STM32F1xx/PVD/main.c b/testhal/STM32F1xx/PVD/main.c
new file mode 100644
index 000000000..7cf909f47
--- /dev/null
+++ b/testhal/STM32F1xx/PVD/main.c
@@ -0,0 +1,103 @@
+/*
+    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 extcb(EXTDriver *extp, expchannel_t channel) {
+
+  (void)extp;
+  (void)channel;
+
+  if (PWR->CSR & PWR_CSR_PVDO){ /* voltage lover than threshold */
+    palClearPad(GPIOC, GPIOC_LED); /* switch off LED*/
+  }
+  else{
+    palSetPad(GPIOC, GPIOC_LED); /* switch on LED*/
+  }
+}
+
+/* If you want to monitor only lover (higher) threshold events than set
+ * EXT_CH_MODE_RISING_EDGE (EXT_CH_MODE_FALLING_EDGE) respectively. */
+static const EXTConfig extcfg = {
+  {
+   {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_BOTH_EDGES | EXT_CH_MODE_AUTOSTART, extcb},/* 16 - PVD */
+   {EXT_CH_MODE_DISABLED, NULL},
+   {EXT_CH_MODE_DISABLED, NULL},
+  },
+  EXT_MODE_EXTI(EXT_MODE_GPIOA,
+                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);
+
+  while (TRUE) {
+    chThdSleepMilliseconds(500);
+  }
+}