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author | Vasil Zlatanov <v@skozl.com> | 2017-05-03 16:30:16 +0100 |
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committer | Vasil Zlatanov <v@skozl.com> | 2017-05-03 16:30:16 +0100 |
commit | a6ed1742539c62186fb903017b52dd48f145ae4f (patch) | |
tree | e9f49f0437e1f260b276b45fddcb66ea524f49e3 /ext/TARGET_LPC1768/TARGET_NXP/TARGET_LPC176X/gpio_object.h | |
download | e2-switch-a6ed1742539c62186fb903017b52dd48f145ae4f.tar.gz e2-switch-a6ed1742539c62186fb903017b52dd48f145ae4f.tar.bz2 e2-switch-a6ed1742539c62186fb903017b52dd48f145ae4f.zip |
Add template and build environment.
Diffstat (limited to 'ext/TARGET_LPC1768/TARGET_NXP/TARGET_LPC176X/gpio_object.h')
-rw-r--r-- | ext/TARGET_LPC1768/TARGET_NXP/TARGET_LPC176X/gpio_object.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/ext/TARGET_LPC1768/TARGET_NXP/TARGET_LPC176X/gpio_object.h b/ext/TARGET_LPC1768/TARGET_NXP/TARGET_LPC176X/gpio_object.h new file mode 100644 index 0000000..0c465a9 --- /dev/null +++ b/ext/TARGET_LPC1768/TARGET_NXP/TARGET_LPC176X/gpio_object.h @@ -0,0 +1,56 @@ +/* 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
+
+#include "mbed_assert.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) {
+ MBED_ASSERT(obj->pin != (PinName)NC);
+ if (value)
+ *obj->reg_set = obj->mask;
+ else
+ *obj->reg_clr = obj->mask;
+}
+
+static inline int gpio_read(gpio_t *obj) {
+ MBED_ASSERT(obj->pin != (PinName)NC);
+ return ((*obj->reg_in & obj->mask) ? 1 : 0);
+}
+
+static inline int gpio_is_connected(const gpio_t *obj) {
+ return obj->pin != (PinName)NC;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
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