repo time
Dependencies: mbed MAX14720 MAX30205 USBDevice
Diff: e4a10ed6eb92/HSP/Interfaces/I2C_RPC.cpp
- Revision:
- 20:6d2af70c92ab
diff -r 002c398f14cc -r 6d2af70c92ab e4a10ed6eb92/HSP/Interfaces/I2C_RPC.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/e4a10ed6eb92/HSP/Interfaces/I2C_RPC.cpp Tue Apr 06 06:41:40 2021 +0000 @@ -0,0 +1,85 @@ +/******************************************************************************* + * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES + * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name of Maxim Integrated + * Products, Inc. shall not be used except as stated in the Maxim Integrated + * Products, Inc. Branding Policy. + * + * The mere transfer of this software does not imply any licenses + * of trade secrets, proprietary technology, copyrights, patents, + * trademarks, maskwork rights, or any other form of intellectual + * property whatsoever. Maxim Integrated Products, Inc. retains all + * ownership rights. + ******************************************************************************* + */ +#include <stdint.h> +#include "StringHelper.h" +#include "I2C_RPC.h" +#include "Peripherals.h" + +//****************************************************************************** +// input +// [instance] [slaveAddress] [writeNumber] [](data to write) [readNumber] +// output data to read +int I2C_WriteRead(char argStrs[32][32], char replyStrs[32][32]) { + uint8_t args[16]; + uint8_t reply[16]; + uint8_t writeNumber; + uint8_t readNumber; + uint8_t instance; + uint8_t slaveAddress; + int ret1; + int ret2; + I2C *i2c; + // get the number of bytes to write + ProcessArgs(argStrs, args, 3); // parse [instance] [slaveAddress] [writeNumber] + instance = args[0]; + slaveAddress = args[1]; + writeNumber = args[2]; + // parse [instance] [slaveAddress] [writeNumber] [](data to write) + // [readNumber] + ProcessArgs(argStrs, args, writeNumber + 4); + readNumber = args[writeNumber + 3]; + + if (instance == 1) { + i2c = Peripherals::i2c1(); + } + if (instance == 2) { + i2c = Peripherals::i2c2(); + } + ret1 = 0; + ret2 = 0; + + if (writeNumber != 0) { + ret1 = i2c->write((int)slaveAddress, (char *)&args[3], (int)writeNumber); + } + if (readNumber != 0) { + ret2 = i2c->read((int)slaveAddress, (char *)reply, (int)readNumber); + } + + if (ret1 != 0) reply[0] = 0xFF; + if (ret2 != 0) reply[0] = 0xFF; + + + // reply[0] = 0x80; + FormatReply(reply, readNumber, replyStrs); + return 0; +}