Diff: TARGET_LPC1114/gpio_object.h

Revision:

66:9c8f0e3462fb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_LPC1114/gpio_object.h	Mon Aug 19 13:34:54 2013 +0300
@@ -0,0 +1,46 @@
+/* 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.
+ */
+#ifndef MBED_GPIO_OBJECT_H
+#define MBED_GPIO_OBJECT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+    PinName  pin;
+    __I  uint32_t *reg_mask_read;
+    __IO uint32_t *reg_dir;
+    __IO uint32_t *reg_write;
+} gpio_t;
+
+static inline void gpio_write(gpio_t *obj, int value) {
+    uint32_t pin_number = ((obj->pin & 0x0F00) >> 8);
+    if (value)
+        *obj->reg_write |= (1 << pin_number);
+    else
+        *obj->reg_write &= ~(1 << pin_number);
+}
+
+static inline int gpio_read(gpio_t *obj) {
+    return ((*obj->reg_mask_read) ? 1 : 0);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif