sai kiran / mbed-src

Watchdog Timer

Fork of mbed-src by mbed official

targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/pinmap_function.c@628:4fa1328d9c60, 2015-09-25 (annotated)

Committer:
mbed_official
Date:
Fri Sep 25 14:15:10 2015 +0100
Revision:
628:4fa1328d9c60
Parent:
525:c320967f86b9 
Synchronized with git revision fe238a91ab7a4d1d72c4cab9da04967c619d54ad



Full URL: https://github.com/mbedmicro/mbed/commit/fe238a91ab7a4d1d72c4cab9da04967c619d54ad/



Silicon Labs - Add support for low-power async Serial

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 628:4fa1328d9c60 1 /***************************************************************************//**
mbed_official 628:4fa1328d9c60 2 * @file pinmap_function.c
mbed_official 628:4fa1328d9c60 3 *******************************************************************************
mbed_official 628:4fa1328d9c60 4 * @section License
mbed_official 628:4fa1328d9c60 5 * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
mbed_official 628:4fa1328d9c60 6 *******************************************************************************
mbed_official 525:c320967f86b9 7 *
mbed_official 628:4fa1328d9c60 8 * Permission is granted to anyone to use this software for any purpose,
mbed_official 628:4fa1328d9c60 9 * including commercial applications, and to alter it and redistribute it
mbed_official 628:4fa1328d9c60 10 * freely, subject to the following restrictions:
mbed_official 525:c320967f86b9 11 *
mbed_official 628:4fa1328d9c60 12 * 1. The origin of this software must not be misrepresented; you must not
mbed_official 628:4fa1328d9c60 13 * claim that you wrote the original software.
mbed_official 628:4fa1328d9c60 14 * 2. Altered source versions must be plainly marked as such, and must not be
mbed_official 628:4fa1328d9c60 15 * misrepresented as being the original software.
mbed_official 628:4fa1328d9c60 16 * 3. This notice may not be removed or altered from any source distribution.
mbed_official 525:c320967f86b9 17 *
mbed_official 628:4fa1328d9c60 18 * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no
mbed_official 628:4fa1328d9c60 19 * obligation to support this Software. Silicon Labs is providing the
mbed_official 628:4fa1328d9c60 20 * Software "AS IS", with no express or implied warranties of any kind,
mbed_official 628:4fa1328d9c60 21 * including, but not limited to, any implied warranties of merchantability
mbed_official 628:4fa1328d9c60 22 * or fitness for any particular purpose or warranties against infringement
mbed_official 628:4fa1328d9c60 23 * of any proprietary rights of a third party.
mbed_official 628:4fa1328d9c60 24 *
mbed_official 628:4fa1328d9c60 25 * Silicon Labs will not be liable for any consequential, incidental, or
mbed_official 628:4fa1328d9c60 26 * special damages, or any other relief, or for any claim by any third party,
mbed_official 628:4fa1328d9c60 27 * arising from your use of this Software.
mbed_official 628:4fa1328d9c60 28 *
mbed_official 628:4fa1328d9c60 29 ******************************************************************************/
mbed_official 525:c320967f86b9 30
mbed_official 525:c320967f86b9 31 #include "pinmap_function.h"
mbed_official 525:c320967f86b9 32 #include "PinNames.h"
mbed_official 525:c320967f86b9 33 #include "error.h"
mbed_official 525:c320967f86b9 34
mbed_official 525:c320967f86b9 35 /**
mbed_official 525:c320967f86b9 36 * Get the value of the function field for a pin in a pinmap
mbed_official 525:c320967f86b9 37 * @param pin A pin
mbed_official 525:c320967f86b9 38 * @param map A pinmap for a given peripheral
mbed_official 525:c320967f86b9 39 * @return Content of function field in pinmap for the given pin
mbed_official 525:c320967f86b9 40 */
mbed_official 525:c320967f86b9 41 uint32_t pinmap_get_function_field(PinName pin, const PinMap *map)
mbed_official 525:c320967f86b9 42 {
mbed_official 525:c320967f86b9 43 while (map->pin != NC) {
mbed_official 525:c320967f86b9 44 if (map->pin == pin) {
mbed_official 525:c320967f86b9 45 return map->function;
mbed_official 525:c320967f86b9 46 }
mbed_official 525:c320967f86b9 47 map++;
mbed_official 525:c320967f86b9 48 }
mbed_official 525:c320967f86b9 49 return (uint32_t) NC;
mbed_official 525:c320967f86b9 50 }
mbed_official 525:c320967f86b9 51
mbed_official 525:c320967f86b9 52 /**
mbed_official 525:c320967f86b9 53 * Get the location a given peripheral is routed to from pin
mbed_official 525:c320967f86b9 54 * This is stored in the function field of the pinmap
mbed_official 525:c320967f86b9 55 * @param pin The pin
mbed_official 525:c320967f86b9 56 * @param map Pinmap for the given peripheral
mbed_official 525:c320967f86b9 57 * @return uint32 describing location (0, 1, 2, ...)
mbed_official 525:c320967f86b9 58 */
mbed_official 525:c320967f86b9 59 uint32_t pin_location(PinName pin, const PinMap *map)
mbed_official 525:c320967f86b9 60 {
mbed_official 525:c320967f86b9 61 if (pin == (PinName) NC) {
mbed_official 525:c320967f86b9 62 return (uint32_t) NC;
mbed_official 525:c320967f86b9 63 }
mbed_official 525:c320967f86b9 64
mbed_official 525:c320967f86b9 65 uint32_t location = pinmap_get_function_field(pin, map);
mbed_official 525:c320967f86b9 66 if ((uint32_t) NC == location) { // no mapping available
mbed_official 525:c320967f86b9 67 error("location not found for pin");
mbed_official 525:c320967f86b9 68 }
mbed_official 525:c320967f86b9 69 return location;
mbed_official 525:c320967f86b9 70 }