1 files changed, 79 insertions, 0 deletions
diff --git a/examples/imx7_colibri_m4/driver_examples/wdog_imx/main.c b/examples/imx7_colibri_m4/driver_examples/wdog_imx/main.c
new file mode 100644
index 0000000..53c0756
--- /dev/null
+++ b/examples/imx7_colibri_m4/driver_examples/wdog_imx/main.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ *   of conditions and the following disclaimer.
+ *
+ * o Redistributions in binary form must reproduce the above copyright notice, this
+ *   list of conditions and the following disclaimer in the documentation and/or
+ *   other materials provided with the distribution.
+ *
+ * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived from this
+ *   software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "wdog_imx.h"
+#include "board.h"
+#include "debug_console_imx.h"
+
+/* This case will cause M4 reset after 5.5 seconds */
+static uint32_t num = 5;
+
+int main(void)
+{
+    wdog_mode_config_t config = {
+       .wdw   = true,     /*!< true: suspend in low power wait, false: not suspend */
+       .wdt   = true,     /*!< true: assert WDOG_B when timeout, false: not assert WDOG_B */
+       .wdbg  = true,     /*!< true: suspend in debug mode, false: not suspend */
+       .wdzst = true      /*!< true: suspend in doze and stop mode, false: not suspend */
+    };
+
+    hardware_init();
+
+    WDOG_Init(BOARD_WDOG_BASEADDR, &config);
+
+    /* Enable WDOG interrupt 0.5 second before WDOG timeout */
+    NVIC_SetPriority(BOARD_WDOG_IRQ_NUM, 3);
+    NVIC_EnableIRQ(BOARD_WDOG_IRQ_NUM);
+    WDOG_EnableInt(BOARD_WDOG_BASEADDR, 1);
+
+    PRINTF("WDOG with timeout 1.5 seconds will now start\n\r");
+    /* Enable WDOG with timeout 1.5 second */
+    WDOG_Enable(BOARD_WDOG_BASEADDR, 2);
+
+    while (true)
+    {
+        __WFI();
+        PRINTF("WDOG was refreshed %d\n\r", num);
+	if (num == 0)
+            PRINTF("Counter down to 0, WDOG is starved now...\n\r", num);
+    }
+}
+
+void BOARD_WDOG_HANDLER()
+{
+    WDOG_ClearStatusFlag(BOARD_WDOG_BASEADDR);
+
+    if (--num)
+        WDOG_Refresh(BOARD_WDOG_BASEADDR);
+}
+
+/*******************************************************************************
+ * EOF
+ ******************************************************************************/