Orefatoi / afLib_1_3

an old afLib which supports both SPI and UART

afTransport.h@0:6f371c791202, 2018-03-20 (annotated)

Committer:
Rhyme
Date:
Tue Mar 20 06:47:25 2018 +0000
Revision:
0:6f371c791202
SPI mode started working

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Rhyme 0:6f371c791202 1 /**
Rhyme 0:6f371c791202 2 * Copyright 2016 Afero, Inc.
Rhyme 0:6f371c791202 3 *
Rhyme 0:6f371c791202 4 * Licensed under the Apache License, Version 2.0 (the "License");
Rhyme 0:6f371c791202 5 * you may not use this file except in compliance with the License.
Rhyme 0:6f371c791202 6 * You may obtain a copy of the License at
Rhyme 0:6f371c791202 7 *
Rhyme 0:6f371c791202 8 * http://www.apache.org/licenses/LICENSE-2.0
Rhyme 0:6f371c791202 9 *
Rhyme 0:6f371c791202 10 * Unless required by applicable law or agreed to in writing, software
Rhyme 0:6f371c791202 11 * distributed under the License is distributed on an "AS IS" BASIS,
Rhyme 0:6f371c791202 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Rhyme 0:6f371c791202 13 * See the License for the specific language governing permissions and
Rhyme 0:6f371c791202 14 * limitations under the License.
Rhyme 0:6f371c791202 15 */
Rhyme 0:6f371c791202 16 #ifndef AFLIB_AFTRANSPORT_H
Rhyme 0:6f371c791202 17 #define AFLIB_AFTRANSPORT_H
Rhyme 0:6f371c791202 18
Rhyme 0:6f371c791202 19 #include "StatusCommand.h"
Rhyme 0:6f371c791202 20
Rhyme 0:6f371c791202 21 class afTransport {
Rhyme 0:6f371c791202 22 public:
Rhyme 0:6f371c791202 23 /*
Rhyme 0:6f371c791202 24 * checkForInterrupt
Rhyme 0:6f371c791202 25 *
Rhyme 0:6f371c791202 26 * For interfaces that don't use the interrupt pin to signal they want the state machine to run (like UART).
Rhyme 0:6f371c791202 27 */
Rhyme 0:6f371c791202 28 virtual void checkForInterrupt(volatile int *interrupts_pending, bool idle) = 0;
Rhyme 0:6f371c791202 29
Rhyme 0:6f371c791202 30 /*
Rhyme 0:6f371c791202 31 * exchangeStatus
Rhyme 0:6f371c791202 32 *
Rhyme 0:6f371c791202 33 * Write a status message to the interface and read one back.
Rhyme 0:6f371c791202 34 */
Rhyme 0:6f371c791202 35 virtual int exchangeStatus(StatusCommand *tx, StatusCommand *rx) = 0;
Rhyme 0:6f371c791202 36
Rhyme 0:6f371c791202 37 /*
Rhyme 0:6f371c791202 38 * writeStatus
Rhyme 0:6f371c791202 39 *
Rhyme 0:6f371c791202 40 * Write the specified status message to the interface.
Rhyme 0:6f371c791202 41 */
Rhyme 0:6f371c791202 42 virtual int writeStatus(StatusCommand *c) = 0;
Rhyme 0:6f371c791202 43
Rhyme 0:6f371c791202 44 /*
Rhyme 0:6f371c791202 45 * sendBytes
Rhyme 0:6f371c791202 46 *
Rhyme 0:6f371c791202 47 * Write the specified bytes to the interface.
Rhyme 0:6f371c791202 48 */
Rhyme 0:6f371c791202 49 virtual void sendBytes(char *bytes, int len) = 0;
Rhyme 0:6f371c791202 50
Rhyme 0:6f371c791202 51 /*
Rhyme 0:6f371c791202 52 * recvBytes
Rhyme 0:6f371c791202 53 *
Rhyme 0:6f371c791202 54 * Read the specified bytes from the interface.
Rhyme 0:6f371c791202 55 */
Rhyme 0:6f371c791202 56 virtual void recvBytes(char *bytes, int len) = 0;
Rhyme 0:6f371c791202 57
Rhyme 0:6f371c791202 58 /*
Rhyme 0:6f371c791202 59 * sendBytesOffset
Rhyme 0:6f371c791202 60 *
Rhyme 0:6f371c791202 61 * Write bytes using an interface specific packet size.
Rhyme 0:6f371c791202 62 * It may take multiple calls to this method to write all of the bytes.
Rhyme 0:6f371c791202 63 *
Rhyme 0:6f371c791202 64 * @param bytes buffer of bytes to be written.
Rhyme 0:6f371c791202 65 * @param bytesToSend Pointer to count of total number of bytes to be written.
Rhyme 0:6f371c791202 66 * This value is decremented after each packet is written and will be 0 when all bytes have been sent.
Rhyme 0:6f371c791202 67 * @param offset Pointer to offset into bytes buffer.
Rhyme 0:6f371c791202 68 * This value is incremented after each packet is written and will equal bytesToSend when all bytes have been sent.
Rhyme 0:6f371c791202 69 */
Rhyme 0:6f371c791202 70 virtual void sendBytesOffset(char *bytes, uint16_t *bytesToSend, uint16_t *offset) = 0;
Rhyme 0:6f371c791202 71
Rhyme 0:6f371c791202 72 /*
Rhyme 0:6f371c791202 73 * recvBytesOffset
Rhyme 0:6f371c791202 74 *
Rhyme 0:6f371c791202 75 * Read bytes using an interface specific packet size.
Rhyme 0:6f371c791202 76 * It may take multiple calls to this method to read all of the bytes.
Rhyme 0:6f371c791202 77 *
Rhyme 0:6f371c791202 78 * @param bytes Pointer to buffer of bytes to read into.
Rhyme 0:6f371c791202 79 * This buffer is allocated for all bytesToRecv before the first packet is read.
Rhyme 0:6f371c791202 80 * NOTE: IT IS THE CALLER'S RESPONSIBILITY TO FREE THIS BUFFER.
Rhyme 0:6f371c791202 81 * @param bytesToRecv Pointer to count of total number of bytes to be read.
Rhyme 0:6f371c791202 82 * This value is decremented after each packet is read and will be 0 when all bytes have been read.
Rhyme 0:6f371c791202 83 * @param offset Pointer to offset into bytes buffer.
Rhyme 0:6f371c791202 84 * This value is incremented after each packet is read and will equal bytesToRecv when all bytes have been read.
Rhyme 0:6f371c791202 85 */
Rhyme 0:6f371c791202 86 virtual void recvBytesOffset(char **bytes, uint16_t *bytesLen, uint16_t *bytesToRecv, uint16_t *offset) = 0;
Rhyme 0:6f371c791202 87 };
Rhyme 0:6f371c791202 88
Rhyme 0:6f371c791202 89 #endif
Rhyme 0:6f371c791202 90
Rhyme 0:6f371c791202 91