Library for interfacing with the MAX4822 relay driver.
Dependents: MAXREFDES130_131_Demo MAXREFDES130_Demo
MAX4822.cpp@0:074983020f27, 2016-07-28 (annotated)
- Committer:
- j3
- Date:
- Thu Jul 28 18:42:58 2016 +0000
- Revision:
- 0:074983020f27
- Child:
- 1:0263f798de82
init commit, skeleton library
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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j3 | 0:074983020f27 | 1 | /********************************************************************** |
j3 | 0:074983020f27 | 2 | * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. |
j3 | 0:074983020f27 | 3 | * |
j3 | 0:074983020f27 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
j3 | 0:074983020f27 | 5 | * copy of this software and associated documentation files (the "Software"), |
j3 | 0:074983020f27 | 6 | * to deal in the Software without restriction, including without limitation |
j3 | 0:074983020f27 | 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
j3 | 0:074983020f27 | 8 | * and/or sell copies of the Software, and to permit persons to whom the |
j3 | 0:074983020f27 | 9 | * Software is furnished to do so, subject to the following conditions: |
j3 | 0:074983020f27 | 10 | * |
j3 | 0:074983020f27 | 11 | * The above copyright notice and this permission notice shall be included |
j3 | 0:074983020f27 | 12 | * in all copies or substantial portions of the Software. |
j3 | 0:074983020f27 | 13 | * |
j3 | 0:074983020f27 | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
j3 | 0:074983020f27 | 15 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
j3 | 0:074983020f27 | 16 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
j3 | 0:074983020f27 | 17 | * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES |
j3 | 0:074983020f27 | 18 | * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
j3 | 0:074983020f27 | 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
j3 | 0:074983020f27 | 20 | * OTHER DEALINGS IN THE SOFTWARE. |
j3 | 0:074983020f27 | 21 | * |
j3 | 0:074983020f27 | 22 | * Except as contained in this notice, the name of Maxim Integrated |
j3 | 0:074983020f27 | 23 | * Products, Inc. shall not be used except as stated in the Maxim Integrated |
j3 | 0:074983020f27 | 24 | * Products, Inc. Branding Policy. |
j3 | 0:074983020f27 | 25 | * |
j3 | 0:074983020f27 | 26 | * The mere transfer of this software does not imply any licenses |
j3 | 0:074983020f27 | 27 | * of trade secrets, proprietary technology, copyrights, patents, |
j3 | 0:074983020f27 | 28 | * trademarks, maskwork rights, or any other form of intellectual |
j3 | 0:074983020f27 | 29 | * property whatsoever. Maxim Integrated Products, Inc. retains all |
j3 | 0:074983020f27 | 30 | * ownership rights. |
j3 | 0:074983020f27 | 31 | **********************************************************************/ |
j3 | 0:074983020f27 | 32 | |
j3 | 0:074983020f27 | 33 | #include "MAX4822.h" |
j3 | 0:074983020f27 | 34 | |
j3 | 0:074983020f27 | 35 | //********************************************************************* |
j3 | 0:074983020f27 | 36 | MAX4822::MAX4822(SPI & spi_bus, PinName cs, PinName set, PinName reset): |
j3 | 0:074983020f27 | 37 | m_spi(spi_bus), m_cs(cs), m_set(set, 1), m_reset(reset, 0), m_num_devices(1) |
j3 | 0:074983020f27 | 38 | { |
j3 | 0:074983020f27 | 39 | } |
j3 | 0:074983020f27 | 40 | |
j3 | 0:074983020f27 | 41 | //********************************************************************* |
j3 | 0:074983020f27 | 42 | MAX4822::~MAX4822() |
j3 | 0:074983020f27 | 43 | { |
j3 | 0:074983020f27 | 44 | } |
j3 | 0:074983020f27 | 45 | |
j3 | 0:074983020f27 | 46 | //********************************************************************* |
j3 | 0:074983020f27 | 47 | MAX4822::CmdResult MAX4822::set_num_devices(uint8_t n) |
j3 | 0:074983020f27 | 48 | { |
j3 | 0:074983020f27 | 49 | MAX4822::CmdResult result = OpFailure; |
j3 | 0:074983020f27 | 50 | |
j3 | 0:074983020f27 | 51 | if(n) |
j3 | 0:074983020f27 | 52 | { |
j3 | 0:074983020f27 | 53 | m_num_devices = n; |
j3 | 0:074983020f27 | 54 | result = MAX4822::Success; |
j3 | 0:074983020f27 | 55 | } |
j3 | 0:074983020f27 | 56 | |
j3 | 0:074983020f27 | 57 | return result; |
j3 | 0:074983020f27 | 58 | } |
j3 | 0:074983020f27 | 59 | |
j3 | 0:074983020f27 | 60 | //********************************************************************* |
j3 | 0:074983020f27 | 61 | MAX4822::CmdResult MAX4822::set_all_relays(uint8_t n) |
j3 | 0:074983020f27 | 62 | { |
j3 | 0:074983020f27 | 63 | MAX4822::CmdResult result = OpFailure; |
j3 | 0:074983020f27 | 64 | |
j3 | 0:074983020f27 | 65 | return result; |
j3 | 0:074983020f27 | 66 | } |
j3 | 0:074983020f27 | 67 | |
j3 | 0:074983020f27 | 68 | //********************************************************************* |
j3 | 0:074983020f27 | 69 | MAX4822::CmdResult MAX4822::reset_all_relays(uint8_t n) |
j3 | 0:074983020f27 | 70 | { |
j3 | 0:074983020f27 | 71 | MAX4822::CmdResult result = OpFailure; |
j3 | 0:074983020f27 | 72 | |
j3 | 0:074983020f27 | 73 | return result; |
j3 | 0:074983020f27 | 74 | } |
j3 | 0:074983020f27 | 75 | |
j3 | 0:074983020f27 | 76 | //********************************************************************* |
j3 | 0:074983020f27 | 77 | MAX4822::CmdResult MAX4822::set_relay(RelayChannel r, uint8_t n) |
j3 | 0:074983020f27 | 78 | { |
j3 | 0:074983020f27 | 79 | MAX4822::CmdResult result = OpFailure; |
j3 | 0:074983020f27 | 80 | |
j3 | 0:074983020f27 | 81 | return result; |
j3 | 0:074983020f27 | 82 | } |
j3 | 0:074983020f27 | 83 | |
j3 | 0:074983020f27 | 84 | //********************************************************************* |
j3 | 0:074983020f27 | 85 | MAX4822::CmdResult MAX4822::reset_relay(RelayChannel r, uint8_t n) |
j3 | 0:074983020f27 | 86 | { |
j3 | 0:074983020f27 | 87 | MAX4822::CmdResult result = OpFailure; |
j3 | 0:074983020f27 | 88 | |
j3 | 0:074983020f27 | 89 | return result; |
j3 | 0:074983020f27 | 90 | } |