Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0P/pinmap_function.h@147:ba84b7dc41a7, 2016-09-10 (annotated)

Committer:
JojoS
Date:
Sat Sep 10 15:32:04 2016 +0000
Revision:
147:ba84b7dc41a7
Parent:
15:a81a8d6c1dfe 
added prescaler for 16 bit timers (solution as in LPC11xx), default prescaler 31 for max 28 ms period time

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 15:a81a8d6c1dfe 1 /* mbed Microcontroller Library
mbed_official 15:a81a8d6c1dfe 2 * Copyright (c) 2006-2015 ARM Limited
mbed_official 15:a81a8d6c1dfe 3 *
mbed_official 15:a81a8d6c1dfe 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 15:a81a8d6c1dfe 5 * you may not use this file except in compliance with the License.
mbed_official 15:a81a8d6c1dfe 6 * You may obtain a copy of the License at
mbed_official 15:a81a8d6c1dfe 7 *
mbed_official 15:a81a8d6c1dfe 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 15:a81a8d6c1dfe 9 *
mbed_official 15:a81a8d6c1dfe 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 15:a81a8d6c1dfe 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 15:a81a8d6c1dfe 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 15:a81a8d6c1dfe 13 * See the License for the specific language governing permissions and
mbed_official 15:a81a8d6c1dfe 14 * limitations under the License.
mbed_official 15:a81a8d6c1dfe 15 */
mbed_official 15:a81a8d6c1dfe 16 #ifndef PINMAP_FUNCTION_H
mbed_official 15:a81a8d6c1dfe 17 #define PINMAP_FUNCTION_H
mbed_official 15:a81a8d6c1dfe 18
mbed_official 15:a81a8d6c1dfe 19 #include <compiler.h>
mbed_official 15:a81a8d6c1dfe 20 #include "cmsis.h"
mbed_official 15:a81a8d6c1dfe 21 #include "PinNames.h"
mbed_official 15:a81a8d6c1dfe 22 #include "pinmux.h"
mbed_official 15:a81a8d6c1dfe 23 #include "pinmap.h"
mbed_official 15:a81a8d6c1dfe 24
mbed_official 15:a81a8d6c1dfe 25 #include "PeripheralPins.h"
mbed_official 15:a81a8d6c1dfe 26
mbed_official 15:a81a8d6c1dfe 27 #ifdef __cplusplus
mbed_official 15:a81a8d6c1dfe 28 extern "C" {
mbed_official 15:a81a8d6c1dfe 29 #endif
mbed_official 15:a81a8d6c1dfe 30
mbed_official 15:a81a8d6c1dfe 31 enum sercom_pad_selection {
mbed_official 15:a81a8d6c1dfe 32 SERCOM_USE_DEFAULT_PAD,
mbed_official 15:a81a8d6c1dfe 33 SERCOM_USE_EXTENDED_PAD,
mbed_official 15:a81a8d6c1dfe 34 };
mbed_official 15:a81a8d6c1dfe 35
mbed_official 15:a81a8d6c1dfe 36 /** Find the SERCOM peripheral of given pin
mbed_official 15:a81a8d6c1dfe 37 *
mbed_official 15:a81a8d6c1dfe 38 * Find and return the SERCOM peripheral of input pin, either from default pas, or from extended pads
mbed_official 15:a81a8d6c1dfe 39 * @param[in] pin1 First pin
mbed_official 15:a81a8d6c1dfe 40 * @param[in] pad_select Second pin
mbed_official 15:a81a8d6c1dfe 41 * @return SERCOM peripheral if found, else, NC
mbed_official 15:a81a8d6c1dfe 42 */
mbed_official 15:a81a8d6c1dfe 43 uint32_t pinmap_find_peripheral_from_pad(PinName pin, enum sercom_pad_selection pad_select);
mbed_official 15:a81a8d6c1dfe 44
mbed_official 15:a81a8d6c1dfe 45 /** Find the common SERCOM shared by two pins
mbed_official 15:a81a8d6c1dfe 46 *
mbed_official 15:a81a8d6c1dfe 47 * Finds the common SERCOM index of two input pins.
mbed_official 15:a81a8d6c1dfe 48 * If swapping the input argument gives different result, it means, two SERCOMs share both pins
mbed_official 15:a81a8d6c1dfe 49 * @param[in] pin1 First pin
mbed_official 15:a81a8d6c1dfe 50 * @param[in] pin2 Second pin
mbed_official 15:a81a8d6c1dfe 51 * @return SERCOM index if found, else, NC
mbed_official 15:a81a8d6c1dfe 52 */
mbed_official 15:a81a8d6c1dfe 53 uint32_t pinmap_merge_sercom(PinName pin1, PinName pin2);
mbed_official 15:a81a8d6c1dfe 54
mbed_official 15:a81a8d6c1dfe 55 /** Find the common SERCOM shared by four pins
mbed_official 15:a81a8d6c1dfe 56 *
mbed_official 15:a81a8d6c1dfe 57 * Finds the common SERCOM index shared by four input pins.
mbed_official 15:a81a8d6c1dfe 58 * If reversing the input argument order gives different result, it means, two SERCOMs share the pins
mbed_official 15:a81a8d6c1dfe 59 * @param[in] pin1 First pin
mbed_official 15:a81a8d6c1dfe 60 * @param[in] pin2 Second pin
mbed_official 15:a81a8d6c1dfe 61 * @param[in] pin3 Third pin
mbed_official 15:a81a8d6c1dfe 62 * @param[in] pin4 Fourth pin
mbed_official 15:a81a8d6c1dfe 63 * @return SERCOM index if found, else, NC
mbed_official 15:a81a8d6c1dfe 64 */
mbed_official 15:a81a8d6c1dfe 65 uint32_t pinmap_find_sercom(PinName pin1, PinName pin2, PinName pin3, PinName pin4);
mbed_official 15:a81a8d6c1dfe 66
mbed_official 15:a81a8d6c1dfe 67 /** Find the MUX function of input pin specific to given SERCOM index
mbed_official 15:a81a8d6c1dfe 68 *
mbed_official 15:a81a8d6c1dfe 69 * @param[in] pin Pin whose function is to be found out
mbed_official 15:a81a8d6c1dfe 70 * @param[in] sercom_index SERCOM index
mbed_official 15:a81a8d6c1dfe 71 * @return MUX function if found, else, NC
mbed_official 15:a81a8d6c1dfe 72 */
mbed_official 15:a81a8d6c1dfe 73 uint32_t pinmap_function_sercom(PinName pin, uint32_t sercom_index);
mbed_official 15:a81a8d6c1dfe 74
mbed_official 15:a81a8d6c1dfe 75 /** Find the MUX pad of input pin specific to given SERCOM index
mbed_official 15:a81a8d6c1dfe 76 *
mbed_official 15:a81a8d6c1dfe 77 * @param[in] pin Pin whose function is to be found out
mbed_official 15:a81a8d6c1dfe 78 * @param[in] sercom_index SERCOM index
mbed_official 15:a81a8d6c1dfe 79 * @return MUX pad if found, else, NC
mbed_official 15:a81a8d6c1dfe 80 */
mbed_official 15:a81a8d6c1dfe 81 uint32_t pinmap_pad_sercom(PinName pin, uint32_t sercom_index);
mbed_official 15:a81a8d6c1dfe 82
mbed_official 15:a81a8d6c1dfe 83 /** Find the MUX function of input pin specific to given SERCOM index
mbed_official 15:a81a8d6c1dfe 84 *
mbed_official 15:a81a8d6c1dfe 85 * @param[in] pin unused
mbed_official 15:a81a8d6c1dfe 86 * @param[in] sercom_index SERCOM index
mbed_official 15:a81a8d6c1dfe 87 * @return base address to SERCOM if found, else NC
mbed_official 15:a81a8d6c1dfe 88 */
mbed_official 15:a81a8d6c1dfe 89 uint32_t pinmap_peripheral_sercom(PinName pin, uint32_t sercom_index);
mbed_official 15:a81a8d6c1dfe 90
mbed_official 15:a81a8d6c1dfe 91 /** Find the channel index of a pin specific to a PWM instance
mbed_official 15:a81a8d6c1dfe 92 *
mbed_official 15:a81a8d6c1dfe 93 * @param[in] pin pin name
mbed_official 15:a81a8d6c1dfe 94 * @param[in] pwm pwm peripheral (unused now)
mbed_official 15:a81a8d6c1dfe 95 * @return Channel index of the specified pin
mbed_official 15:a81a8d6c1dfe 96 */
mbed_official 15:a81a8d6c1dfe 97 uint32_t pinmap_channel_pwm(PinName pin, PWMName pwm);
mbed_official 15:a81a8d6c1dfe 98
mbed_official 15:a81a8d6c1dfe 99 #ifdef __cplusplus
mbed_official 15:a81a8d6c1dfe 100 }
mbed_official 15:a81a8d6c1dfe 101 #endif
mbed_official 15:a81a8d6c1dfe 102
mbed_official 15:a81a8d6c1dfe 103 #endif /* PINMAP_FUNCTION_H */