Diff: targets/TARGET_WIZNET/TARGET_W7500x/gpio_api.c

Revision:

149:156823d33999

Parent:

144:ef7eb2e8f9f7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_WIZNET/TARGET_W7500x/gpio_api.c	Fri Oct 28 11:17:30 2016 +0100
@@ -0,0 +1,71 @@
+/* mbed Microcontroller Library 
+ *******************************************************************************
+ * Copyright (c) 2015 WIZnet Co.,Ltd. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name of ARM Limited 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 "mbed_assert.h"
+#include "gpio_api.h"
+#include "pinmap.h"
+
+extern uint32_t Get_GPIO_BaseAddress(uint32_t port_idx);
+
+uint32_t gpio_set(PinName pin)
+{
+    MBED_ASSERT(pin != (PinName)NC);
+
+    pin_function(pin, WIZ_PIN_DATA(WIZ_MODE_INPUT, WIZ_GPIO_NOPULL, Px_AFSR_AF1));
+
+    return (uint32_t)(1 << ((uint32_t)pin & 0xF)); // Return the pin mask
+}
+
+void gpio_init(gpio_t *obj, PinName pin)
+{
+    if (pin == (PinName)NC) {
+        return;
+    }
+    
+    obj->port_num = WIZ_PORT(pin);
+    obj->pin_index    = WIZ_PIN_INDEX(pin);
+    obj->pin = pin;
+    GPIO_TypeDef *gpio = (GPIO_TypeDef *)Get_GPIO_BaseAddress(obj->port_num);
+    obj->reg_data_in    = &gpio->DATA;
+}
+
+void gpio_mode(gpio_t *obj, PinMode mode)
+{
+    pin_mode(obj->pin, mode);
+    obj->mode = mode;
+}
+
+void gpio_dir(gpio_t *obj, PinDirection direction)
+{
+    MBED_ASSERT(obj->pin != (PinName)NC);
+    obj->direction = direction;
+
+    pin_function(obj->pin, WIZ_PIN_DATA(obj->direction, obj->mode, 1));
+}