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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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 Dec 16 08:15:08 2014 +0000
Revision:
440:8a0b45cd594f
Parent:
296:ec1b66a3d094
Synchronized with git revision 67fbbf0b635d0c0d93fbe433306c537c2ad206aa

Full URL: https://github.com/mbedmicro/mbed/commit/67fbbf0b635d0c0d93fbe433306c537c2ad206aa/

Targets: nrf51 - updating app_timer.c from Norid'c SDKv7.1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 133:d4dda5c437f0 1 /* mbed Microcontroller Library
mbed_official 133:d4dda5c437f0 2 *******************************************************************************
mbed_official 133:d4dda5c437f0 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 133:d4dda5c437f0 4 * All rights reserved.
mbed_official 133:d4dda5c437f0 5 *
mbed_official 133:d4dda5c437f0 6 * Redistribution and use in source and binary forms, with or without
mbed_official 133:d4dda5c437f0 7 * modification, are permitted provided that the following conditions are met:
mbed_official 133:d4dda5c437f0 8 *
mbed_official 133:d4dda5c437f0 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 133:d4dda5c437f0 10 * this list of conditions and the following disclaimer.
mbed_official 133:d4dda5c437f0 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 133:d4dda5c437f0 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 133:d4dda5c437f0 13 * and/or other materials provided with the distribution.
mbed_official 133:d4dda5c437f0 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 133:d4dda5c437f0 15 * may be used to endorse or promote products derived from this software
mbed_official 133:d4dda5c437f0 16 * without specific prior written permission.
mbed_official 133:d4dda5c437f0 17 *
mbed_official 133:d4dda5c437f0 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 133:d4dda5c437f0 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 133:d4dda5c437f0 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 133:d4dda5c437f0 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 133:d4dda5c437f0 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 133:d4dda5c437f0 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 133:d4dda5c437f0 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 133:d4dda5c437f0 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 133:d4dda5c437f0 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 133:d4dda5c437f0 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 133:d4dda5c437f0 28 *******************************************************************************
mbed_official 133:d4dda5c437f0 29 */
mbed_official 227:7bd0639b8911 30 #include "mbed_assert.h"
mbed_official 133:d4dda5c437f0 31 #include "gpio_api.h"
mbed_official 133:d4dda5c437f0 32 #include "pinmap.h"
mbed_official 285:31249416b6f9 33 #include "mbed_error.h"
mbed_official 133:d4dda5c437f0 34
mbed_official 133:d4dda5c437f0 35 extern uint32_t Set_GPIO_Clock(uint32_t port_idx);
mbed_official 133:d4dda5c437f0 36
mbed_official 227:7bd0639b8911 37 uint32_t gpio_set(PinName pin) {
mbed_official 227:7bd0639b8911 38 MBED_ASSERT(pin != (PinName)NC);
mbed_official 133:d4dda5c437f0 39
mbed_official 133:d4dda5c437f0 40 pin_function(pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
mbed_official 133:d4dda5c437f0 41 return (uint32_t)(1 << ((uint32_t)pin & 0xF)); // Return the pin mask
mbed_official 133:d4dda5c437f0 42 }
mbed_official 133:d4dda5c437f0 43
mbed_official 133:d4dda5c437f0 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 133:d4dda5c437f0 48 uint32_t port_index = STM_PORT(pin);
mbed_official 133:d4dda5c437f0 49
mbed_official 133:d4dda5c437f0 50 // Enable GPIO clock
mbed_official 133:d4dda5c437f0 51 uint32_t gpio_add = Set_GPIO_Clock(port_index);
mbed_official 133:d4dda5c437f0 52 GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
mbed_official 133:d4dda5c437f0 53
mbed_official 133:d4dda5c437f0 54 // Fill GPIO object structure for future use
mbed_official 133:d4dda5c437f0 55 obj->mask = gpio_set(pin);
mbed_official 133:d4dda5c437f0 56 obj->reg_in = &gpio->IDR;
mbed_official 133:d4dda5c437f0 57 obj->reg_set = &gpio->BSRRL;
mbed_official 133:d4dda5c437f0 58 obj->reg_clr = &gpio->BSRRH;
mbed_official 133:d4dda5c437f0 59 }
mbed_official 133:d4dda5c437f0 60
mbed_official 133:d4dda5c437f0 61 void gpio_mode(gpio_t *obj, PinMode mode) {
mbed_official 133:d4dda5c437f0 62 pin_mode(obj->pin, mode);
mbed_official 133:d4dda5c437f0 63 }
mbed_official 133:d4dda5c437f0 64
mbed_official 133:d4dda5c437f0 65 void gpio_dir(gpio_t *obj, PinDirection direction) {
mbed_official 227:7bd0639b8911 66 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 133:d4dda5c437f0 67 if (direction == PIN_OUTPUT) {
mbed_official 133:d4dda5c437f0 68 pin_function(obj->pin, STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0));
mbed_official 242:7074e42da0b2 69 } else { // PIN_INPUT
mbed_official 133:d4dda5c437f0 70 pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
mbed_official 133:d4dda5c437f0 71 }
mbed_official 133:d4dda5c437f0 72 }