fixed drive strength

Dependents:   capstone_i2c

Fork of mbed-dev by mbed official

Revision:
149:156823d33999
Child:
160:d5399cc887bb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/platform/mbed_board.c	Fri Oct 28 11:17:30 2016 +0100
@@ -0,0 +1,91 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <stdio.h>
+#include "hal/gpio_api.h"
+#include "platform/wait_api.h"
+#include "platform/toolchain.h"
+#include "platform/mbed_interface.h"
+#include "platform/critical.h"
+#include "hal/serial_api.h"
+
+#if DEVICE_SERIAL
+extern int stdio_uart_inited;
+extern serial_t stdio_uart;
+#endif
+
+WEAK void mbed_die(void) {
+#if !defined (NRF51_H) && !defined(TARGET_EFM32)
+    core_util_critical_section_enter();
+#endif
+#if   (DEVICE_ERROR_RED == 1)
+    gpio_t led_red; gpio_init_out(&led_red, LED_RED);
+#elif (DEVICE_ERROR_PATTERN == 1)
+    gpio_t led_1; gpio_init_out(&led_1, LED1);
+    gpio_t led_2; gpio_init_out(&led_2, LED2);
+    gpio_t led_3; gpio_init_out(&led_3, LED3);
+    gpio_t led_4; gpio_init_out(&led_4, LED4);
+#endif
+
+    while (1) {
+#if   (DEVICE_ERROR_RED == 1)
+        gpio_write(&led_red, 1);
+
+#elif (DEVICE_ERROR_PATTERN == 1)
+        gpio_write(&led_1, 1);
+        gpio_write(&led_2, 0);
+        gpio_write(&led_3, 0);
+        gpio_write(&led_4, 1);
+#endif
+
+        wait_ms(150);
+
+#if   (DEVICE_ERROR_RED == 1)
+        gpio_write(&led_red, 0);
+
+#elif (DEVICE_ERROR_PATTERN == 1)
+        gpio_write(&led_1, 0);
+        gpio_write(&led_2, 1);
+        gpio_write(&led_3, 1);
+        gpio_write(&led_4, 0);
+#endif
+
+        wait_ms(150);
+    }
+}
+
+void mbed_error_printf(const char* format, ...) {
+    va_list arg;
+    va_start(arg, format);
+    mbed_error_vfprintf(format, arg);
+    va_end(arg);
+}
+
+void mbed_error_vfprintf(const char * format, va_list arg) {
+#if DEVICE_SERIAL
+    core_util_critical_section_enter();
+    char buffer[128];
+    int size = vsprintf(buffer, format, arg);
+    if (size > 0) {
+        if (!stdio_uart_inited) {
+        serial_init(&stdio_uart, STDIO_UART_TX, STDIO_UART_RX);
+        }
+        for (int i = 0; i < size; i++) {
+            serial_putc(&stdio_uart, buffer[i]);
+        }
+    }
+    core_util_critical_section_exit();
+#endif
+}