lzbp li / mbed-stm32l0/l1-src

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Dependents:   SANFAN_read_analog_value nucleo-wdg Nucleo_sleep_copy

Fork of mbed-src by mbed official

targets/hal/TARGET_STM/TARGET_STM32L1/gpio_object.h@569:18c5cf67e74d, 2015-06-16 (annotated)

Committer:
mbed_official
Date:
Tue Jun 16 07:45:08 2015 +0100
Revision:
569:18c5cf67e74d
Parent:
522:aee49fe30179 
Synchronized with git revision 1ac6ed51713a39016247449a86708eec8ef431cd



Full URL: https://github.com/mbedmicro/mbed/commit/1ac6ed51713a39016247449a86708eec8ef431cd/



Moved target folder, renamed target to NZ32SC151

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 76:aeb1df146756 1 /* mbed Microcontroller Library
mbed_official 76:aeb1df146756 2 *******************************************************************************
mbed_official 76:aeb1df146756 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 76:aeb1df146756 4 * All rights reserved.
mbed_official 76:aeb1df146756 5 *
mbed_official 76:aeb1df146756 6 * Redistribution and use in source and binary forms, with or without
mbed_official 76:aeb1df146756 7 * modification, are permitted provided that the following conditions are met:
mbed_official 76:aeb1df146756 8 *
mbed_official 76:aeb1df146756 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 76:aeb1df146756 10 * this list of conditions and the following disclaimer.
mbed_official 76:aeb1df146756 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 76:aeb1df146756 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 76:aeb1df146756 13 * and/or other materials provided with the distribution.
mbed_official 76:aeb1df146756 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 76:aeb1df146756 15 * may be used to endorse or promote products derived from this software
mbed_official 76:aeb1df146756 16 * without specific prior written permission.
mbed_official 76:aeb1df146756 17 *
mbed_official 76:aeb1df146756 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 76:aeb1df146756 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 76:aeb1df146756 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 76:aeb1df146756 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 76:aeb1df146756 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 76:aeb1df146756 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 76:aeb1df146756 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 76:aeb1df146756 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 76:aeb1df146756 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 76:aeb1df146756 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 76:aeb1df146756 28 *******************************************************************************
mbed_official 76:aeb1df146756 29 */
mbed_official 76:aeb1df146756 30 #ifndef MBED_GPIO_OBJECT_H
mbed_official 76:aeb1df146756 31 #define MBED_GPIO_OBJECT_H
mbed_official 76:aeb1df146756 32
mbed_official 227:7bd0639b8911 33 #include "mbed_assert.h"
mbed_official 76:aeb1df146756 34 #include "cmsis.h"
mbed_official 76:aeb1df146756 35 #include "PortNames.h"
mbed_official 76:aeb1df146756 36 #include "PeripheralNames.h"
mbed_official 76:aeb1df146756 37 #include "PinNames.h"
mbed_official 76:aeb1df146756 38
mbed_official 76:aeb1df146756 39 #ifdef __cplusplus
mbed_official 76:aeb1df146756 40 extern "C" {
mbed_official 76:aeb1df146756 41 #endif
mbed_official 76:aeb1df146756 42
mbed_official 76:aeb1df146756 43 typedef struct {
mbed_official 76:aeb1df146756 44 PinName pin;
mbed_official 76:aeb1df146756 45 uint32_t mask;
mbed_official 354:e67efb2aab0e 46 __IO uint32_t *reg_in;
mbed_official 354:e67efb2aab0e 47 __IO uint32_t *reg_set;
mbed_official 354:e67efb2aab0e 48 __IO uint32_t *reg_clr;
mbed_official 76:aeb1df146756 49 } gpio_t;
mbed_official 76:aeb1df146756 50
mbed_official 354:e67efb2aab0e 51 static inline void gpio_write(gpio_t *obj, int value)
mbed_official 354:e67efb2aab0e 52 {
mbed_official 227:7bd0639b8911 53 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 76:aeb1df146756 54 if (value) {
mbed_official 76:aeb1df146756 55 *obj->reg_set = obj->mask;
mbed_official 174:8bb9f3a33240 56 } else {
mbed_official 569:18c5cf67e74d 57 #if defined(TARGET_STM32L152RC) || defined(TARGET_STM32L151RC)
mbed_official 522:aee49fe30179 58 *obj->reg_set = obj->mask << 16;
mbed_official 522:aee49fe30179 59 #else
mbed_official 76:aeb1df146756 60 *obj->reg_clr = obj->mask;
mbed_official 522:aee49fe30179 61 #endif
mbed_official 76:aeb1df146756 62 }
mbed_official 76:aeb1df146756 63 }
mbed_official 76:aeb1df146756 64
mbed_official 354:e67efb2aab0e 65 static inline int gpio_read(gpio_t *obj)
mbed_official 354:e67efb2aab0e 66 {
mbed_official 227:7bd0639b8911 67 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 76:aeb1df146756 68 return ((*obj->reg_in & obj->mask) ? 1 : 0);
mbed_official 76:aeb1df146756 69 }
mbed_official 76:aeb1df146756 70
mbed_official 461:b90c5392bbcd 71 static inline int gpio_is_connected(const gpio_t *obj) {
mbed_official 461:b90c5392bbcd 72 return obj->pin != (PinName)NC;
mbed_official 461:b90c5392bbcd 73 }
mbed_official 461:b90c5392bbcd 74
mbed_official 76:aeb1df146756 75 #ifdef __cplusplus
mbed_official 76:aeb1df146756 76 }
mbed_official 76:aeb1df146756 77 #endif
mbed_official 76:aeb1df146756 78
mbed_official 76:aeb1df146756 79 #endif