Diff: LPC2368/gpio_object.h

Revision:

44:24d45a770a51

Child:

54:71b101360fb9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LPC2368/gpio_object.h	Wed Nov 21 10:49:56 2012 +0000
@@ -0,0 +1,54 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef MBED_GPIO_OBJECT_H
+#define MBED_GPIO_OBJECT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+    PinName  pin;
+    uint32_t mask;
+    
+    __IO uint32_t *reg_dir;
+    __IO uint32_t *reg_set;
+    __IO uint32_t *reg_clr;
+    __I  uint32_t *reg_in;
+} gpio_t;
+
+static inline void gpio_write(gpio_t *obj, int value) {
+    if (value)
+        *obj->reg_set = obj->mask;
+    else
+        *obj->reg_clr = obj->mask;
+}
+
+static inline int gpio_read(gpio_t *obj) {
+    return ((*obj->reg_in & obj->mask) ? 1 : 0);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif