ddd

Dependencies:   USBDevice

Committer:
jbradshaw
Date:
Tue Oct 25 15:22:11 2016 +0000
Revision:
0:e4a10ed6eb92
tewt

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jbradshaw 0:e4a10ed6eb92 1 /*******************************************************************************
jbradshaw 0:e4a10ed6eb92 2 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
jbradshaw 0:e4a10ed6eb92 3 *
jbradshaw 0:e4a10ed6eb92 4 * Permission is hereby granted, free of charge, to any person obtaining a
jbradshaw 0:e4a10ed6eb92 5 * copy of this software and associated documentation files (the "Software"),
jbradshaw 0:e4a10ed6eb92 6 * to deal in the Software without restriction, including without limitation
jbradshaw 0:e4a10ed6eb92 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
jbradshaw 0:e4a10ed6eb92 8 * and/or sell copies of the Software, and to permit persons to whom the
jbradshaw 0:e4a10ed6eb92 9 * Software is furnished to do so, subject to the following conditions:
jbradshaw 0:e4a10ed6eb92 10 *
jbradshaw 0:e4a10ed6eb92 11 * The above copyright notice and this permission notice shall be included
jbradshaw 0:e4a10ed6eb92 12 * in all copies or substantial portions of the Software.
jbradshaw 0:e4a10ed6eb92 13 *
jbradshaw 0:e4a10ed6eb92 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
jbradshaw 0:e4a10ed6eb92 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
jbradshaw 0:e4a10ed6eb92 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
jbradshaw 0:e4a10ed6eb92 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
jbradshaw 0:e4a10ed6eb92 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
jbradshaw 0:e4a10ed6eb92 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
jbradshaw 0:e4a10ed6eb92 20 * OTHER DEALINGS IN THE SOFTWARE.
jbradshaw 0:e4a10ed6eb92 21 *
jbradshaw 0:e4a10ed6eb92 22 * Except as contained in this notice, the name of Maxim Integrated
jbradshaw 0:e4a10ed6eb92 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
jbradshaw 0:e4a10ed6eb92 24 * Products, Inc. Branding Policy.
jbradshaw 0:e4a10ed6eb92 25 *
jbradshaw 0:e4a10ed6eb92 26 * The mere transfer of this software does not imply any licenses
jbradshaw 0:e4a10ed6eb92 27 * of trade secrets, proprietary technology, copyrights, patents,
jbradshaw 0:e4a10ed6eb92 28 * trademarks, maskwork rights, or any other form of intellectual
jbradshaw 0:e4a10ed6eb92 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
jbradshaw 0:e4a10ed6eb92 30 * ownership rights.
jbradshaw 0:e4a10ed6eb92 31 *******************************************************************************
jbradshaw 0:e4a10ed6eb92 32 */
jbradshaw 0:e4a10ed6eb92 33 #include <stdint.h>
jbradshaw 0:e4a10ed6eb92 34 #include "StringHelper.h"
jbradshaw 0:e4a10ed6eb92 35 #include "I2C_RPC.h"
jbradshaw 0:e4a10ed6eb92 36 #include "Peripherals.h"
jbradshaw 0:e4a10ed6eb92 37
jbradshaw 0:e4a10ed6eb92 38 //******************************************************************************
jbradshaw 0:e4a10ed6eb92 39 // input
jbradshaw 0:e4a10ed6eb92 40 // [instance] [slaveAddress] [writeNumber] [](data to write) [readNumber]
jbradshaw 0:e4a10ed6eb92 41 // output data to read
jbradshaw 0:e4a10ed6eb92 42 int I2C_WriteRead(char argStrs[32][32], char replyStrs[32][32]) {
jbradshaw 0:e4a10ed6eb92 43 uint8_t args[16];
jbradshaw 0:e4a10ed6eb92 44 uint8_t reply[16];
jbradshaw 0:e4a10ed6eb92 45 uint8_t writeNumber;
jbradshaw 0:e4a10ed6eb92 46 uint8_t readNumber;
jbradshaw 0:e4a10ed6eb92 47 uint8_t instance;
jbradshaw 0:e4a10ed6eb92 48 uint8_t slaveAddress;
jbradshaw 0:e4a10ed6eb92 49 int ret1;
jbradshaw 0:e4a10ed6eb92 50 int ret2;
jbradshaw 0:e4a10ed6eb92 51 I2C *i2c;
jbradshaw 0:e4a10ed6eb92 52 // get the number of bytes to write
jbradshaw 0:e4a10ed6eb92 53 ProcessArgs(argStrs, args, 3); // parse [instance] [slaveAddress] [writeNumber]
jbradshaw 0:e4a10ed6eb92 54 instance = args[0];
jbradshaw 0:e4a10ed6eb92 55 slaveAddress = args[1];
jbradshaw 0:e4a10ed6eb92 56 writeNumber = args[2];
jbradshaw 0:e4a10ed6eb92 57 // parse [instance] [slaveAddress] [writeNumber] [](data to write)
jbradshaw 0:e4a10ed6eb92 58 // [readNumber]
jbradshaw 0:e4a10ed6eb92 59 ProcessArgs(argStrs, args, writeNumber + 4);
jbradshaw 0:e4a10ed6eb92 60 readNumber = args[writeNumber + 3];
jbradshaw 0:e4a10ed6eb92 61
jbradshaw 0:e4a10ed6eb92 62 if (instance == 1) {
jbradshaw 0:e4a10ed6eb92 63 i2c = Peripherals::i2c1();
jbradshaw 0:e4a10ed6eb92 64 }
jbradshaw 0:e4a10ed6eb92 65 if (instance == 2) {
jbradshaw 0:e4a10ed6eb92 66 i2c = Peripherals::i2c2();
jbradshaw 0:e4a10ed6eb92 67 }
jbradshaw 0:e4a10ed6eb92 68 ret1 = 0;
jbradshaw 0:e4a10ed6eb92 69 ret2 = 0;
jbradshaw 0:e4a10ed6eb92 70
jbradshaw 0:e4a10ed6eb92 71 if (writeNumber != 0) {
jbradshaw 0:e4a10ed6eb92 72 ret1 = i2c->write((int)slaveAddress, (char *)&args[3], (int)writeNumber);
jbradshaw 0:e4a10ed6eb92 73 }
jbradshaw 0:e4a10ed6eb92 74 if (readNumber != 0) {
jbradshaw 0:e4a10ed6eb92 75 ret2 = i2c->read((int)slaveAddress, (char *)reply, (int)readNumber);
jbradshaw 0:e4a10ed6eb92 76 }
jbradshaw 0:e4a10ed6eb92 77
jbradshaw 0:e4a10ed6eb92 78 if (ret1 != 0) reply[0] = 0xFF;
jbradshaw 0:e4a10ed6eb92 79 if (ret2 != 0) reply[0] = 0xFF;
jbradshaw 0:e4a10ed6eb92 80
jbradshaw 0:e4a10ed6eb92 81
jbradshaw 0:e4a10ed6eb92 82 // reply[0] = 0x80;
jbradshaw 0:e4a10ed6eb92 83 FormatReply(reply, readNumber, replyStrs);
jbradshaw 0:e4a10ed6eb92 84 return 0;
jbradshaw 0:e4a10ed6eb92 85 }