mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Committer:
mbed_official
Date:
Tue Jul 29 19:00:07 2014 +0100
Revision:
268:402bcc0c870b
Parent:
251:de9a1e4ffd79
Child:
285:31249416b6f9
Synchronized with git revision 490d1a6606b3138f165c5edf2f2370ca616587c0

Full URL: https://github.com/mbedmicro/mbed/commit/490d1a6606b3138f165c5edf2f2370ca616587c0/

[LPC1114] Sleep fix + some device.h settings

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 126:549ba18ddd81 1 /* mbed Microcontroller Library
mbed_official 126:549ba18ddd81 2 *******************************************************************************
mbed_official 126:549ba18ddd81 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 126:549ba18ddd81 4 * All rights reserved.
mbed_official 126:549ba18ddd81 5 *
mbed_official 126:549ba18ddd81 6 * Redistribution and use in source and binary forms, with or without
mbed_official 126:549ba18ddd81 7 * modification, are permitted provided that the following conditions are met:
mbed_official 126:549ba18ddd81 8 *
mbed_official 126:549ba18ddd81 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 126:549ba18ddd81 10 * this list of conditions and the following disclaimer.
mbed_official 126:549ba18ddd81 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 126:549ba18ddd81 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 126:549ba18ddd81 13 * and/or other materials provided with the distribution.
mbed_official 126:549ba18ddd81 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 126:549ba18ddd81 15 * may be used to endorse or promote products derived from this software
mbed_official 126:549ba18ddd81 16 * without specific prior written permission.
mbed_official 126:549ba18ddd81 17 *
mbed_official 126:549ba18ddd81 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 126:549ba18ddd81 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 126:549ba18ddd81 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 126:549ba18ddd81 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 126:549ba18ddd81 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 126:549ba18ddd81 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 126:549ba18ddd81 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 126:549ba18ddd81 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 126:549ba18ddd81 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 126:549ba18ddd81 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 126:549ba18ddd81 28 *******************************************************************************
mbed_official 126:549ba18ddd81 29 */
mbed_official 227:7bd0639b8911 30 #include "mbed_assert.h"
mbed_official 126:549ba18ddd81 31 #include "gpio_api.h"
mbed_official 126:549ba18ddd81 32 #include "pinmap.h"
mbed_official 251:de9a1e4ffd79 33 #include "error.h"
mbed_official 126:549ba18ddd81 34
mbed_official 126:549ba18ddd81 35 extern uint32_t Set_GPIO_Clock(uint32_t port_idx);
mbed_official 126:549ba18ddd81 36
mbed_official 227:7bd0639b8911 37 uint32_t gpio_set(PinName pin) {
mbed_official 227:7bd0639b8911 38 MBED_ASSERT(pin != (PinName)NC);
mbed_official 126:549ba18ddd81 39
mbed_official 126:549ba18ddd81 40 pin_function(pin, STM_PIN_DATA(GPIO_Mode_IN_FLOATING, 0));
mbed_official 126:549ba18ddd81 41 return (uint32_t)(1 << ((uint32_t)pin & 0xF)); // Return the pin mask
mbed_official 126:549ba18ddd81 42 }
mbed_official 126:549ba18ddd81 43
mbed_official 126:549ba18ddd81 44 void gpio_init(gpio_t *obj, PinName pin) {
mbed_official 227:7bd0639b8911 45 obj->pin = pin;
mbed_official 227:7bd0639b8911 46 if (pin == (PinName)NC)
mbed_official 227:7bd0639b8911 47 return;
mbed_official 126:549ba18ddd81 48
mbed_official 126:549ba18ddd81 49 uint32_t port_index = STM_PORT(pin);
mbed_official 126:549ba18ddd81 50
mbed_official 126:549ba18ddd81 51 // Enable GPIO clock
mbed_official 126:549ba18ddd81 52 uint32_t gpio_add = Set_GPIO_Clock(port_index);
mbed_official 126:549ba18ddd81 53 GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
mbed_official 126:549ba18ddd81 54
mbed_official 126:549ba18ddd81 55 // Fill GPIO object structure for future use
mbed_official 126:549ba18ddd81 56 obj->mask = gpio_set(pin);
mbed_official 126:549ba18ddd81 57 obj->reg_in = &gpio->IDR;
mbed_official 126:549ba18ddd81 58 obj->reg_set = &gpio->BSRR;
mbed_official 126:549ba18ddd81 59 obj->reg_clr = &gpio->BRR;
mbed_official 126:549ba18ddd81 60 }
mbed_official 126:549ba18ddd81 61
mbed_official 126:549ba18ddd81 62 void gpio_mode(gpio_t *obj, PinMode mode) {
mbed_official 126:549ba18ddd81 63 pin_mode(obj->pin, mode);
mbed_official 126:549ba18ddd81 64 }
mbed_official 126:549ba18ddd81 65
mbed_official 126:549ba18ddd81 66 void gpio_dir(gpio_t *obj, PinDirection direction) {
mbed_official 227:7bd0639b8911 67 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 126:549ba18ddd81 68 if (direction == PIN_OUTPUT) {
mbed_official 126:549ba18ddd81 69 pin_function(obj->pin, STM_PIN_DATA(GPIO_Mode_Out_PP, 0));
mbed_official 126:549ba18ddd81 70 }
mbed_official 126:549ba18ddd81 71 else { // PIN_INPUT
mbed_official 126:549ba18ddd81 72 pin_function(obj->pin, STM_PIN_DATA(GPIO_Mode_IN_FLOATING, 0));
mbed_official 126:549ba18ddd81 73 }
mbed_official 126:549ba18ddd81 74 }