Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

api/Transaction.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) 2015 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_TRANSACTION_H
<> 144:ef7eb2e8f9f7 17 #define MBED_TRANSACTION_H
<> 144:ef7eb2e8f9f7 18
<> 144:ef7eb2e8f9f7 19 #include "platform.h"
<> 144:ef7eb2e8f9f7 20 #include "FunctionPointer.h"
<> 144:ef7eb2e8f9f7 21
<> 144:ef7eb2e8f9f7 22 namespace mbed {
<> 144:ef7eb2e8f9f7 23
<> 144:ef7eb2e8f9f7 24 /** Transaction structure
<> 144:ef7eb2e8f9f7 25 */
<> 144:ef7eb2e8f9f7 26 typedef struct {
<> 144:ef7eb2e8f9f7 27 void *tx_buffer; /**< Tx buffer */
<> 144:ef7eb2e8f9f7 28 size_t tx_length; /**< Length of Tx buffer*/
<> 144:ef7eb2e8f9f7 29 void *rx_buffer; /**< Rx buffer */
<> 144:ef7eb2e8f9f7 30 size_t rx_length; /**< Length of Rx buffer */
<> 144:ef7eb2e8f9f7 31 uint32_t event; /**< Event for a transaction */
<> 144:ef7eb2e8f9f7 32 event_callback_t callback; /**< User's callback */
<> 144:ef7eb2e8f9f7 33 uint8_t width; /**< Buffer's word width (8, 16, 32, 64) */
<> 144:ef7eb2e8f9f7 34 } transaction_t;
<> 144:ef7eb2e8f9f7 35
<> 144:ef7eb2e8f9f7 36 /** Transaction class defines a transaction.
<> 144:ef7eb2e8f9f7 37 *
<> 144:ef7eb2e8f9f7 38 * @Note Synchronization level: Not protected
<> 144:ef7eb2e8f9f7 39 */
<> 144:ef7eb2e8f9f7 40 template<typename Class>
<> 144:ef7eb2e8f9f7 41 class Transaction {
<> 144:ef7eb2e8f9f7 42 public:
<> 144:ef7eb2e8f9f7 43 Transaction(Class *tpointer, const transaction_t& transaction) : _obj(tpointer), _data(transaction) {
<> 144:ef7eb2e8f9f7 44 }
<> 144:ef7eb2e8f9f7 45
<> 144:ef7eb2e8f9f7 46 Transaction() : _obj(), _data() {
<> 144:ef7eb2e8f9f7 47 }
<> 144:ef7eb2e8f9f7 48
<> 144:ef7eb2e8f9f7 49 ~Transaction() {
<> 144:ef7eb2e8f9f7 50 }
<> 144:ef7eb2e8f9f7 51
<> 144:ef7eb2e8f9f7 52 /** Get object's instance for the transaction
<> 144:ef7eb2e8f9f7 53 *
<> 144:ef7eb2e8f9f7 54 * @return The object which was stored
<> 144:ef7eb2e8f9f7 55 */
<> 144:ef7eb2e8f9f7 56 Class* get_object() {
<> 144:ef7eb2e8f9f7 57 return _obj;
<> 144:ef7eb2e8f9f7 58 }
<> 144:ef7eb2e8f9f7 59
<> 144:ef7eb2e8f9f7 60 /** Get the transaction
<> 144:ef7eb2e8f9f7 61 *
<> 144:ef7eb2e8f9f7 62 * @return The transaction which was stored
<> 144:ef7eb2e8f9f7 63 */
<> 144:ef7eb2e8f9f7 64 transaction_t* get_transaction() {
<> 144:ef7eb2e8f9f7 65 return &_data;
<> 144:ef7eb2e8f9f7 66 }
<> 144:ef7eb2e8f9f7 67
<> 144:ef7eb2e8f9f7 68 private:
<> 144:ef7eb2e8f9f7 69 Class* _obj;
<> 144:ef7eb2e8f9f7 70 transaction_t _data;
<> 144:ef7eb2e8f9f7 71 };
<> 144:ef7eb2e8f9f7 72
<> 144:ef7eb2e8f9f7 73 }
<> 144:ef7eb2e8f9f7 74
<> 144:ef7eb2e8f9f7 75 #endif