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IO/IOSampleZB.cpp@11:d7dc0e97d47e, 2017-12-05 (annotated)
- Committer:
- vinceP
- Date:
- Tue Dec 05 22:03:15 2017 +0000
- Revision:
- 11:d7dc0e97d47e
- Parent:
- 3:8662ebe83570
Ok
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
spastor | 3:8662ebe83570 | 1 | /** |
spastor | 3:8662ebe83570 | 2 | * Copyright (c) 2015 Digi International Inc., |
spastor | 3:8662ebe83570 | 3 | * All rights not expressly granted are reserved. |
spastor | 3:8662ebe83570 | 4 | * |
spastor | 3:8662ebe83570 | 5 | * This Source Code Form is subject to the terms of the Mozilla Public |
spastor | 3:8662ebe83570 | 6 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
spastor | 3:8662ebe83570 | 7 | * You can obtain one at http://mozilla.org/MPL/2.0/. |
spastor | 3:8662ebe83570 | 8 | * |
spastor | 3:8662ebe83570 | 9 | * Digi International Inc. 11001 Bren Road East, Minnetonka, MN 55343 |
spastor | 3:8662ebe83570 | 10 | * ======================================================================= |
spastor | 3:8662ebe83570 | 11 | */ |
spastor | 3:8662ebe83570 | 12 | |
spastor | 0:fcaad0dfa051 | 13 | #include "XBeeLib.h" |
spastor | 0:fcaad0dfa051 | 14 | #include "IO/IOSampleZB.h" |
spastor | 0:fcaad0dfa051 | 15 | |
spastor | 0:fcaad0dfa051 | 16 | #define IO_SAMPLE_ZB_MIN_SIZE (2 + 1 + 2) |
spastor | 0:fcaad0dfa051 | 17 | |
spastor | 0:fcaad0dfa051 | 18 | using namespace XBeeLib; |
spastor | 0:fcaad0dfa051 | 19 | |
spastor | 0:fcaad0dfa051 | 20 | IOSampleZB::IOSampleZB(const uint8_t* const raw_data, size_t size) |
spastor | 0:fcaad0dfa051 | 21 | { |
spastor | 3:8662ebe83570 | 22 | if (raw_data == NULL || size == 0) { |
spastor | 3:8662ebe83570 | 23 | _digital_mask = 0; |
spastor | 3:8662ebe83570 | 24 | _analog_mask = 0; |
spastor | 3:8662ebe83570 | 25 | return; |
spastor | 3:8662ebe83570 | 26 | } |
spastor | 0:fcaad0dfa051 | 27 | assert(size >= IO_SAMPLE_ZB_MIN_SIZE); |
spastor | 0:fcaad0dfa051 | 28 | assert(size <= sizeof _sampled_data); |
spastor | 0:fcaad0dfa051 | 29 | |
spastor | 0:fcaad0dfa051 | 30 | _digital_mask = UINT16(raw_data[1], raw_data[2]); |
spastor | 0:fcaad0dfa051 | 31 | _analog_mask = raw_data[3]; |
spastor | 0:fcaad0dfa051 | 32 | _sampled_data_size = size - 4; |
spastor | 0:fcaad0dfa051 | 33 | memcpy(&_sampled_data[0], &raw_data[4], _sampled_data_size); |
spastor | 0:fcaad0dfa051 | 34 | } |
spastor | 0:fcaad0dfa051 | 35 | |
spastor | 0:fcaad0dfa051 | 36 | IOSampleZB::~IOSampleZB() |
spastor | 0:fcaad0dfa051 | 37 | { |
spastor | 0:fcaad0dfa051 | 38 | |
spastor | 0:fcaad0dfa051 | 39 | } |
spastor | 0:fcaad0dfa051 | 40 | |
spastor | 0:fcaad0dfa051 | 41 | RadioStatus IOSampleZB::get_dio(XBeeZB::IoLine line, DioVal* const dio_value) const |
spastor | 0:fcaad0dfa051 | 42 | { |
spastor | 0:fcaad0dfa051 | 43 | const uint16_t mask = 1 << line; |
spastor | 0:fcaad0dfa051 | 44 | if (mask & _digital_mask) { |
spastor | 0:fcaad0dfa051 | 45 | const uint16_t digital_channels = get_digital_channels(); |
spastor | 0:fcaad0dfa051 | 46 | |
spastor | 0:fcaad0dfa051 | 47 | *dio_value = digital_channels & mask ? High : Low; |
spastor | 0:fcaad0dfa051 | 48 | return Success; |
spastor | 0:fcaad0dfa051 | 49 | } |
spastor | 0:fcaad0dfa051 | 50 | return Failure; |
spastor | 0:fcaad0dfa051 | 51 | } |
spastor | 0:fcaad0dfa051 | 52 | |
spastor | 0:fcaad0dfa051 | 53 | RadioStatus IOSampleZB::get_adc(XBeeZB::IoLine line, uint16_t* const val) const |
spastor | 0:fcaad0dfa051 | 54 | { |
spastor | 0:fcaad0dfa051 | 55 | const uint8_t line_mask = 1 << line; |
spastor | 0:fcaad0dfa051 | 56 | const bool adc_present = line_mask & _analog_mask; |
spastor | 0:fcaad0dfa051 | 57 | if (!adc_present) { |
spastor | 0:fcaad0dfa051 | 58 | return Failure; |
spastor | 0:fcaad0dfa051 | 59 | } |
spastor | 0:fcaad0dfa051 | 60 | |
spastor | 0:fcaad0dfa051 | 61 | uint8_t analog_data_idx = _digital_mask == 0 ? 0 : 2; |
spastor | 0:fcaad0dfa051 | 62 | uint8_t line_sample = 0; |
spastor | 0:fcaad0dfa051 | 63 | |
spastor | 0:fcaad0dfa051 | 64 | while (analog_data_idx < _sampled_data_size) { |
spastor | 0:fcaad0dfa051 | 65 | if (_analog_mask & (1 << line_sample)) { |
spastor | 0:fcaad0dfa051 | 66 | if (line_sample == line) { |
spastor | 0:fcaad0dfa051 | 67 | /* Write the analog value */ |
spastor | 0:fcaad0dfa051 | 68 | *val = UINT16(_sampled_data[analog_data_idx], _sampled_data[analog_data_idx + 1]); |
spastor | 0:fcaad0dfa051 | 69 | break; |
spastor | 0:fcaad0dfa051 | 70 | } |
spastor | 0:fcaad0dfa051 | 71 | analog_data_idx += 2; |
spastor | 0:fcaad0dfa051 | 72 | } |
spastor | 0:fcaad0dfa051 | 73 | line_sample++; |
spastor | 0:fcaad0dfa051 | 74 | } |
spastor | 0:fcaad0dfa051 | 75 | |
spastor | 0:fcaad0dfa051 | 76 | return Success; |
spastor | 0:fcaad0dfa051 | 77 | } |
spastor | 0:fcaad0dfa051 | 78 | |
spastor | 0:fcaad0dfa051 | 79 | inline uint16_t IOSampleZB::get_digital_channels(void) const |
spastor | 0:fcaad0dfa051 | 80 | { |
spastor | 0:fcaad0dfa051 | 81 | if (_digital_mask == 0) { |
spastor | 0:fcaad0dfa051 | 82 | return 0; |
spastor | 0:fcaad0dfa051 | 83 | } |
spastor | 0:fcaad0dfa051 | 84 | return UINT16(_sampled_data[0], _sampled_data[1]); |
spastor | 0:fcaad0dfa051 | 85 | } |
spastor | 0:fcaad0dfa051 | 86 |