mbed official / mbed-src

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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

Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/pinmap.c@548:1abac31e188e, 2015-05-22 (annotated)

Committer:
mbed_official
Date:
Fri May 22 10:45:46 2015 +0100
Revision:
548:1abac31e188e
Parent:
525:c320967f86b9
Child:
627:4fa1328d9c60
Synchronized with git revision 88d158e43b54f97c5e94da305ea9a096889cc81b



Full URL: https://github.com/mbedmicro/mbed/commit/88d158e43b54f97c5e94da305ea9a096889cc81b/



Silicon Labs - Cosmetic: apply mbed coding style to HAL

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 525:c320967f86b9 1 /* mbed Microcontroller Library
mbed_official 525:c320967f86b9 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 525:c320967f86b9 3 *
mbed_official 525:c320967f86b9 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 525:c320967f86b9 5 * you may not use this file except in compliance with the License.
mbed_official 525:c320967f86b9 6 * You may obtain a copy of the License at
mbed_official 525:c320967f86b9 7 *
mbed_official 525:c320967f86b9 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 525:c320967f86b9 9 *
mbed_official 525:c320967f86b9 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 525:c320967f86b9 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 525:c320967f86b9 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 525:c320967f86b9 13 * See the License for the specific language governing permissions and
mbed_official 525:c320967f86b9 14 * limitations under the License.
mbed_official 525:c320967f86b9 15 */
mbed_official 525:c320967f86b9 16 #include "pinmap.h"
mbed_official 525:c320967f86b9 17 #include "em_gpio.h"
mbed_official 525:c320967f86b9 18 #include "em_cmu.h"
mbed_official 525:c320967f86b9 19 #include "mbed_assert.h"
mbed_official 525:c320967f86b9 20
mbed_official 525:c320967f86b9 21 static int gpio_clock_inited = 0;
mbed_official 525:c320967f86b9 22
mbed_official 525:c320967f86b9 23 void pin_function(PinName pin, int function)
mbed_official 525:c320967f86b9 24 {
mbed_official 525:c320967f86b9 25 //Intentionally left empty. We have repurposed the function field.
mbed_official 525:c320967f86b9 26 }
mbed_official 525:c320967f86b9 27
mbed_official 525:c320967f86b9 28 void pin_mode(PinName pin, PinMode mode)
mbed_official 525:c320967f86b9 29 {
mbed_official 525:c320967f86b9 30 MBED_ASSERT(pin != NC);
mbed_official 525:c320967f86b9 31
mbed_official 525:c320967f86b9 32 /* Enable GPIO clock if not already done */
mbed_official 548:1abac31e188e 33 if (!gpio_clock_inited) {
mbed_official 548:1abac31e188e 34 CMU_ClockEnable(cmuClock_GPIO, true);
mbed_official 548:1abac31e188e 35 gpio_clock_inited = 1;
mbed_official 548:1abac31e188e 36 }
mbed_official 525:c320967f86b9 37
mbed_official 525:c320967f86b9 38 /* Pin and port index encoded in one uint32.
mbed_official 525:c320967f86b9 39 * First four bits represent the pin number
mbed_official 525:c320967f86b9 40 * The remaining bits represent the port number */
mbed_official 525:c320967f86b9 41 uint32_t pin_number = (uint32_t) pin;
mbed_official 525:c320967f86b9 42 int pin_index = (pin_number & 0xF);
mbed_official 525:c320967f86b9 43 int port_index = pin_number >> 4;
mbed_official 525:c320967f86b9 44
mbed_official 525:c320967f86b9 45 GPIO_PinModeSet(port_index, pin_index, mode & 0xF, GPIO_PinOutGet(port_index, pin_index & 0xF));
mbed_official 525:c320967f86b9 46 }
mbed_official 525:c320967f86b9 47
mbed_official 525:c320967f86b9 48 // TODO_LP get pin_mode to be able to store previous settings