Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

hal/port_api.h@147:ba84b7dc41a7, 2016-09-10 (annotated)

Committer:
JojoS
Date:
Sat Sep 10 15:32:04 2016 +0000
Revision:
147:ba84b7dc41a7
Parent:
144:ef7eb2e8f9f7 
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
<> 144:ef7eb2e8f9f7 1 /* mbed Microcontroller Library
<> 144:ef7eb2e8f9f7 2 * Copyright (c) 2006-2013 ARM Limited
<> 144:ef7eb2e8f9f7 3 *
<> 144:ef7eb2e8f9f7 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 144:ef7eb2e8f9f7 5 * you may not use this file except in compliance with the License.
<> 144:ef7eb2e8f9f7 6 * You may obtain a copy of the License at
<> 144:ef7eb2e8f9f7 7 *
<> 144:ef7eb2e8f9f7 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 144:ef7eb2e8f9f7 9 *
<> 144:ef7eb2e8f9f7 10 * Unless required by applicable law or agreed to in writing, software
<> 144:ef7eb2e8f9f7 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 144:ef7eb2e8f9f7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 144:ef7eb2e8f9f7 13 * See the License for the specific language governing permissions and
<> 144:ef7eb2e8f9f7 14 * limitations under the License.
<> 144:ef7eb2e8f9f7 15 */
<> 144:ef7eb2e8f9f7 16 #ifndef MBED_PORTMAP_H
<> 144:ef7eb2e8f9f7 17 #define MBED_PORTMAP_H
<> 144:ef7eb2e8f9f7 18
<> 144:ef7eb2e8f9f7 19 #include "device.h"
<> 144:ef7eb2e8f9f7 20
<> 144:ef7eb2e8f9f7 21 #if DEVICE_PORTIN || DEVICE_PORTOUT
<> 144:ef7eb2e8f9f7 22
<> 144:ef7eb2e8f9f7 23 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 24 extern "C" {
<> 144:ef7eb2e8f9f7 25 #endif
<> 144:ef7eb2e8f9f7 26
<> 144:ef7eb2e8f9f7 27 /** Port HAL structure. port_s is declared in the target's HAL
<> 144:ef7eb2e8f9f7 28 */
<> 144:ef7eb2e8f9f7 29 typedef struct port_s port_t;
<> 144:ef7eb2e8f9f7 30
<> 144:ef7eb2e8f9f7 31 /**
<> 144:ef7eb2e8f9f7 32 * \defgroup hal_port Port HAL functions
<> 144:ef7eb2e8f9f7 33 * @{
<> 144:ef7eb2e8f9f7 34 */
<> 144:ef7eb2e8f9f7 35
<> 144:ef7eb2e8f9f7 36 /** Get the pin name from the port's pin number
<> 144:ef7eb2e8f9f7 37 *
<> 144:ef7eb2e8f9f7 38 * @param port The port name
<> 144:ef7eb2e8f9f7 39 * @param pin_n The pin number within the specified port
<> 144:ef7eb2e8f9f7 40 * @return The pin name for the port's pin number
<> 144:ef7eb2e8f9f7 41 */
<> 144:ef7eb2e8f9f7 42 PinName port_pin(PortName port, int pin_n);
<> 144:ef7eb2e8f9f7 43
<> 144:ef7eb2e8f9f7 44 /** Initilize the port
<> 144:ef7eb2e8f9f7 45 *
<> 144:ef7eb2e8f9f7 46 * @param obj The port object to initialize
<> 144:ef7eb2e8f9f7 47 * @param port The port name
<> 144:ef7eb2e8f9f7 48 * @param mask The bitmask to identify which bits in the port should be included (0 - ignore)
<> 144:ef7eb2e8f9f7 49 * @param dir The port direction
<> 144:ef7eb2e8f9f7 50 */
<> 144:ef7eb2e8f9f7 51 void port_init(port_t *obj, PortName port, int mask, PinDirection dir);
<> 144:ef7eb2e8f9f7 52
<> 144:ef7eb2e8f9f7 53 /** Set the input port mode
<> 144:ef7eb2e8f9f7 54 *
<> 144:ef7eb2e8f9f7 55 * @param obj The port object
<> 144:ef7eb2e8f9f7 56 * @param mode THe port mode to be set
<> 144:ef7eb2e8f9f7 57 */
<> 144:ef7eb2e8f9f7 58 void port_mode(port_t *obj, PinMode mode);
<> 144:ef7eb2e8f9f7 59
<> 144:ef7eb2e8f9f7 60 /** Set port direction (in/out)
<> 144:ef7eb2e8f9f7 61 *
<> 144:ef7eb2e8f9f7 62 * @param obj The port object
<> 144:ef7eb2e8f9f7 63 * @param dir The port direction to be set
<> 144:ef7eb2e8f9f7 64 */
<> 144:ef7eb2e8f9f7 65 void port_dir(port_t *obj, PinDirection dir);
<> 144:ef7eb2e8f9f7 66
<> 144:ef7eb2e8f9f7 67 /** Write value to the port
<> 144:ef7eb2e8f9f7 68 *
<> 144:ef7eb2e8f9f7 69 * @param obj The port object
<> 144:ef7eb2e8f9f7 70 * @param value The value to be set
<> 144:ef7eb2e8f9f7 71 */
<> 144:ef7eb2e8f9f7 72 void port_write(port_t *obj, int value);
<> 144:ef7eb2e8f9f7 73
<> 144:ef7eb2e8f9f7 74 /** Read the current value on the port
<> 144:ef7eb2e8f9f7 75 *
<> 144:ef7eb2e8f9f7 76 * @param obj The port object
<> 144:ef7eb2e8f9f7 77 * @return An integer with each bit corresponding to an associated port pin setting
<> 144:ef7eb2e8f9f7 78 */
<> 144:ef7eb2e8f9f7 79 int port_read(port_t *obj);
<> 144:ef7eb2e8f9f7 80
<> 144:ef7eb2e8f9f7 81 /**@}*/
<> 144:ef7eb2e8f9f7 82
<> 144:ef7eb2e8f9f7 83 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 84 }
<> 144:ef7eb2e8f9f7 85 #endif
<> 144:ef7eb2e8f9f7 86 #endif
<> 144:ef7eb2e8f9f7 87
<> 144:ef7eb2e8f9f7 88 #endif