Diff: targets/TARGET_ublox/TARGET_HI2110/gpio_api.c

Revision:

150:02e0a0aed4ec

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_ublox/TARGET_HI2110/gpio_api.c	Tue Nov 08 17:45:16 2016 +0000
@@ -0,0 +1,80 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2016 u-blox
+ *
+ * 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 "mbed_assert.h"
+#include "gpio_api.h"
+#include "pinmap.h"
+
+/* ----------------------------------------------------------------
+ * MACROS
+ * ----------------------------------------------------------------*/
+
+/* ----------------------------------------------------------------
+ * TYPES
+ * ----------------------------------------------------------------*/
+
+/* ----------------------------------------------------------------
+ * GLOBAL VARIABLES
+ * ----------------------------------------------------------------*/
+
+/* ----------------------------------------------------------------
+ * MBED API CALLS
+ * ----------------------------------------------------------------*/
+
+void gpio_init(gpio_t *obj, PinName pin)
+{
+    if (pin == (PinName)NC) {
+        return;
+    }
+    
+    MBED_ASSERT (pin <  NUM_PINS);
+
+    obj->pin = pin;
+    obj->mask = (1ul << pin);
+
+    obj->reg_set = &GPIO_OUT_BITSET;
+    obj->reg_clr = &GPIO_OUT_BITCLR;
+    obj->reg_val = &GPIO_VALUE;
+    obj->reg_dir = &GPIO_DIR;
+
+    /* Claim the pin */
+    pin_function(pin, PIN_FUNCTION_GPIO);
+}
+
+void gpio_mode(gpio_t *obj, PinMode mode)
+{
+    pin_mode(obj->pin, mode);
+}
+
+void gpio_dir(gpio_t *obj, PinDirection direction)
+{
+    MBED_ASSERT(obj->pin != (PinName)NC);
+
+    switch (direction) {
+        case PIN_INPUT:
+        {
+            *(obj->reg_dir) &= ~(obj->mask);
+        }
+        break;
+        case PIN_OUTPUT:
+        {
+            *(obj->reg_dir) |= obj->mask;
+        }
+        break;
+        /* TODO: looks as though the default is
+         * not normally trapped here */
+    }
+}