Xbee s2b for lpc11u24
Dependencies: DigiLogger
Fork of XBeeLib by
IO/IOSample802.cpp@0:fcaad0dfa051, 2015-05-08 (annotated)
- Committer:
- spastor
- Date:
- Fri May 08 11:50:56 2015 +0200
- Revision:
- 0:fcaad0dfa051
- Child:
- 3:8662ebe83570
Automatic upload
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
spastor | 0:fcaad0dfa051 | 1 | #include "XBeeLib.h" |
spastor | 0:fcaad0dfa051 | 2 | #include "IO/IOSample802.h" |
spastor | 0:fcaad0dfa051 | 3 | #include "Utils/Debug.h" |
spastor | 0:fcaad0dfa051 | 4 | |
spastor | 0:fcaad0dfa051 | 5 | #define IO_SAMPLE_802_DIGITAL_INPUTS_MASK 0x01FF |
spastor | 0:fcaad0dfa051 | 6 | #define IO_SAMPLE_802_DIGITAL_INPUTS_COUNT 9 |
spastor | 0:fcaad0dfa051 | 7 | #define IO_SAMPLE_802_MIN_SIZE (2 + 2) |
spastor | 0:fcaad0dfa051 | 8 | |
spastor | 0:fcaad0dfa051 | 9 | using namespace XBeeLib; |
spastor | 0:fcaad0dfa051 | 10 | |
spastor | 0:fcaad0dfa051 | 11 | IOSample802::IOSample802(const uint8_t* const raw_data, size_t size) |
spastor | 0:fcaad0dfa051 | 12 | { |
spastor | 0:fcaad0dfa051 | 13 | assert(size >= IO_SAMPLE_802_MIN_SIZE); |
spastor | 0:fcaad0dfa051 | 14 | assert(size <= sizeof _sampled_data); |
spastor | 0:fcaad0dfa051 | 15 | |
spastor | 0:fcaad0dfa051 | 16 | _channel_mask = UINT16(raw_data[1], raw_data[2]); |
spastor | 0:fcaad0dfa051 | 17 | _sampled_data_size = size - 3; |
spastor | 0:fcaad0dfa051 | 18 | memcpy(&_sampled_data[0], &raw_data[3], _sampled_data_size); |
spastor | 0:fcaad0dfa051 | 19 | } |
spastor | 0:fcaad0dfa051 | 20 | |
spastor | 0:fcaad0dfa051 | 21 | IOSample802::~IOSample802() |
spastor | 0:fcaad0dfa051 | 22 | { |
spastor | 0:fcaad0dfa051 | 23 | |
spastor | 0:fcaad0dfa051 | 24 | } |
spastor | 0:fcaad0dfa051 | 25 | |
spastor | 0:fcaad0dfa051 | 26 | RadioStatus IOSample802::get_dio(XBee802::IoLine line, DioVal* const dio_value) const |
spastor | 0:fcaad0dfa051 | 27 | { |
spastor | 0:fcaad0dfa051 | 28 | if (line > XBee802::DI8) { |
spastor | 0:fcaad0dfa051 | 29 | digi_log(LogLevelError, "get_dio: Pin %d not supported as IO\r\n", line); |
spastor | 0:fcaad0dfa051 | 30 | return Failure; |
spastor | 0:fcaad0dfa051 | 31 | } |
spastor | 0:fcaad0dfa051 | 32 | |
spastor | 0:fcaad0dfa051 | 33 | const uint16_t mask = 1 << line; |
spastor | 0:fcaad0dfa051 | 34 | if (mask & _channel_mask) { |
spastor | 0:fcaad0dfa051 | 35 | const uint8_t digital_channels = get_dio_channels(); |
spastor | 0:fcaad0dfa051 | 36 | |
spastor | 0:fcaad0dfa051 | 37 | *dio_value = digital_channels & mask ? High : Low; |
spastor | 0:fcaad0dfa051 | 38 | return Success; |
spastor | 0:fcaad0dfa051 | 39 | } |
spastor | 0:fcaad0dfa051 | 40 | return Failure; |
spastor | 0:fcaad0dfa051 | 41 | } |
spastor | 0:fcaad0dfa051 | 42 | |
spastor | 0:fcaad0dfa051 | 43 | RadioStatus IOSample802::get_adc(XBee802::IoLine line, uint16_t* const val) const |
spastor | 0:fcaad0dfa051 | 44 | { |
spastor | 0:fcaad0dfa051 | 45 | if (line > XBee802::DIO5_AD5) { |
spastor | 0:fcaad0dfa051 | 46 | digi_log(LogLevelError, "get_adc: Pin %d not supported as ADC\r\n", line); |
spastor | 0:fcaad0dfa051 | 47 | return Failure; |
spastor | 0:fcaad0dfa051 | 48 | } |
spastor | 0:fcaad0dfa051 | 49 | const uint8_t analog_mask = _channel_mask >> IO_SAMPLE_802_DIGITAL_INPUTS_COUNT; |
spastor | 0:fcaad0dfa051 | 50 | const uint8_t line_mask = 1 << line; |
spastor | 0:fcaad0dfa051 | 51 | const bool adc_present = line_mask & analog_mask; |
spastor | 0:fcaad0dfa051 | 52 | if (!adc_present) { |
spastor | 0:fcaad0dfa051 | 53 | return Failure; |
spastor | 0:fcaad0dfa051 | 54 | } |
spastor | 0:fcaad0dfa051 | 55 | |
spastor | 0:fcaad0dfa051 | 56 | uint8_t analog_data_idx = dio_channels_present() == 0 ? 0 : 2; |
spastor | 0:fcaad0dfa051 | 57 | uint8_t line_sample = 0; |
spastor | 0:fcaad0dfa051 | 58 | |
spastor | 0:fcaad0dfa051 | 59 | while (analog_data_idx < _sampled_data_size) { |
spastor | 0:fcaad0dfa051 | 60 | if (analog_mask & (1 << line_sample)) { |
spastor | 0:fcaad0dfa051 | 61 | if (line_sample == line) { |
spastor | 0:fcaad0dfa051 | 62 | /* Write the analog value */ |
spastor | 0:fcaad0dfa051 | 63 | *val = UINT16(_sampled_data[analog_data_idx], _sampled_data[analog_data_idx + 1]); |
spastor | 0:fcaad0dfa051 | 64 | break; |
spastor | 0:fcaad0dfa051 | 65 | } |
spastor | 0:fcaad0dfa051 | 66 | analog_data_idx += 2; |
spastor | 0:fcaad0dfa051 | 67 | } |
spastor | 0:fcaad0dfa051 | 68 | line_sample++; |
spastor | 0:fcaad0dfa051 | 69 | } |
spastor | 0:fcaad0dfa051 | 70 | |
spastor | 0:fcaad0dfa051 | 71 | return Success; |
spastor | 0:fcaad0dfa051 | 72 | } |
spastor | 0:fcaad0dfa051 | 73 | |
spastor | 0:fcaad0dfa051 | 74 | inline bool IOSample802::dio_channels_present(void) const |
spastor | 0:fcaad0dfa051 | 75 | { |
spastor | 0:fcaad0dfa051 | 76 | return _channel_mask & IO_SAMPLE_802_DIGITAL_INPUTS_MASK; |
spastor | 0:fcaad0dfa051 | 77 | } |
spastor | 0:fcaad0dfa051 | 78 | |
spastor | 0:fcaad0dfa051 | 79 | inline uint8_t IOSample802::get_dio_channels(void) const |
spastor | 0:fcaad0dfa051 | 80 | { |
spastor | 0:fcaad0dfa051 | 81 | if (dio_channels_present()) { |
spastor | 0:fcaad0dfa051 | 82 | return UINT16(_sampled_data[0], _sampled_data[1]); |
spastor | 0:fcaad0dfa051 | 83 | } |
spastor | 0:fcaad0dfa051 | 84 | else { |
spastor | 0:fcaad0dfa051 | 85 | return 0; |
spastor | 0:fcaad0dfa051 | 86 | } |
spastor | 0:fcaad0dfa051 | 87 | } |