The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
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mbed 2
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TARGET_SAMD21G18A/TARGET_Atmel/TARGET_SAM_CortexM0P/pinmap_function.h
- Committer:
- Kojto
- Date:
- 2015-12-15
- Revision:
- 111:4336505e4b1c
File content as of revision 111:4336505e4b1c:
/* mbed Microcontroller Library * Copyright (c) 2006-2015 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef PINMAP_FUNCTION_H #define PINMAP_FUNCTION_H #include <compiler.h> #include "cmsis.h" #include "PinNames.h" #include "pinmux.h" #include "pinmap.h" #include "PeripheralPins.h" #ifdef __cplusplus extern "C" { #endif enum sercom_pad_selection { SERCOM_USE_DEFAULT_PAD, SERCOM_USE_EXTENDED_PAD, }; /** Find the SERCOM peripheral of given pin * * Find and return the SERCOM peripheral of input pin, either from default pas, or from extended pads * @param[in] pin1 First pin * @param[in] pad_select Second pin * @return SERCOM peripheral if found, else, NC */ uint32_t pinmap_find_peripheral_from_pad(PinName pin, enum sercom_pad_selection pad_select); /** Find the common SERCOM shared by two pins * * Finds the common SERCOM index of two input pins. * If swapping the input argument gives different result, it means, two SERCOMs share both pins * @param[in] pin1 First pin * @param[in] pin2 Second pin * @return SERCOM index if found, else, NC */ uint32_t pinmap_merge_sercom(PinName pin1, PinName pin2); /** Find the common SERCOM shared by four pins * * Finds the common SERCOM index shared by four input pins. * If reversing the input argument order gives different result, it means, two SERCOMs share the pins * @param[in] pin1 First pin * @param[in] pin2 Second pin * @param[in] pin3 Third pin * @param[in] pin4 Fourth pin * @return SERCOM index if found, else, NC */ uint32_t pinmap_find_sercom(PinName pin1, PinName pin2, PinName pin3, PinName pin4); /** Find the MUX function of input pin specific to given SERCOM index * * @param[in] pin Pin whose function is to be found out * @param[in] sercom_index SERCOM index * @return MUX function if found, else, NC */ uint32_t pinmap_function_sercom(PinName pin, uint32_t sercom_index); /** Find the MUX pad of input pin specific to given SERCOM index * * @param[in] pin Pin whose function is to be found out * @param[in] sercom_index SERCOM index * @return MUX pad if found, else, NC */ uint32_t pinmap_pad_sercom(PinName pin, uint32_t sercom_index); /** Find the MUX function of input pin specific to given SERCOM index * * @param[in] pin unused * @param[in] sercom_index SERCOM index * @return base address to SERCOM if found, else NC */ uint32_t pinmap_peripheral_sercom(PinName pin, uint32_t sercom_index); /** Find the channel index of a pin specific to a PWM instance * * @param[in] pin pin name * @param[in] pwm pwm peripheral (unused now) * @return Channel index of the specified pin */ uint32_t pinmap_channel_pwm(PinName pin, PWMName pwm); #ifdef __cplusplus } #endif #endif /* PINMAP_FUNCTION_H */