Library to use my Photo MOS Relays Circuit having 16 or less channels.
Fork of PMRC4ch by
PMRC16ch.cpp@18:049283936e3f, 2018-06-26 (annotated)
- Committer:
- aktk
- Date:
- Tue Jun 26 13:00:40 2018 +0000
- Revision:
- 18:049283936e3f
- Parent:
- 17:08a68860396b
- Child:
- 20:26972de3cf90
modified the name of constant in State: NaN -> ALLHiz; modified the procedure in init() so as to set the first state ALLHiZ
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
aktk | 15:56703876e914 | 1 | #include "PMRC16ch.h" |
aktk | 15:56703876e914 | 2 | // A constractor whose arguments have all default value |
aktk | 15:56703876e914 | 3 | // is a default constractor. |
aktk | 15:56703876e914 | 4 | PMRC16ch::PMRC16ch(): |
aktk | 15:56703876e914 | 5 | m_num_ch(16), |
aktk | 15:56703876e914 | 6 | m_SCK(DigitalOut(p11)), |
aktk | 15:56703876e914 | 7 | m_CLR(DigitalOut(p12)), |
aktk | 15:56703876e914 | 8 | m_RCK(DigitalOut(p13)), |
aktk | 15:56703876e914 | 9 | m_SER(DigitalOut(p14)), |
aktk | 15:56703876e914 | 10 | m_OUT(DigitalIn(p10)) |
aktk | 15:56703876e914 | 11 | { |
aktk | 15:56703876e914 | 12 | init(); |
aktk | 15:56703876e914 | 13 | } |
aktk | 15:56703876e914 | 14 | |
aktk | 15:56703876e914 | 15 | PMRC16ch::PMRC16ch( |
aktk | 15:56703876e914 | 16 | uint8_t arg_num_ch, |
aktk | 15:56703876e914 | 17 | PinName arg_SCK, |
aktk | 15:56703876e914 | 18 | PinName arg_CLR, |
aktk | 15:56703876e914 | 19 | PinName arg_RCK, |
aktk | 15:56703876e914 | 20 | PinName arg_SER, |
aktk | 15:56703876e914 | 21 | PinName arg_OUT |
aktk | 15:56703876e914 | 22 | ): |
aktk | 15:56703876e914 | 23 | m_num_ch(arg_num_ch), |
aktk | 15:56703876e914 | 24 | m_SCK(DigitalOut(arg_SCK)), |
aktk | 15:56703876e914 | 25 | m_CLR(DigitalOut(arg_CLR)), |
aktk | 15:56703876e914 | 26 | m_RCK(DigitalOut(arg_RCK)), |
aktk | 15:56703876e914 | 27 | m_SER(DigitalOut(arg_SER)), |
aktk | 15:56703876e914 | 28 | m_OUT(DigitalIn(arg_OUT)) |
aktk | 15:56703876e914 | 29 | { |
aktk | 15:56703876e914 | 30 | init(); |
aktk | 15:56703876e914 | 31 | } |
aktk | 15:56703876e914 | 32 | |
aktk | 15:56703876e914 | 33 | void PMRC16ch::init() |
aktk | 15:56703876e914 | 34 | { |
aktk | 15:56703876e914 | 35 | m_CLR = 1; |
aktk | 15:56703876e914 | 36 | m_SCK = m_RCK = 0; |
aktk | 18:049283936e3f | 37 | //reset shiftresister |
aktk | 18:049283936e3f | 38 | m_CLR = 0; |
aktk | 18:049283936e3f | 39 | update(); |
aktk | 18:049283936e3f | 40 | //enable insertion data to SR |
aktk | 18:049283936e3f | 41 | m_CLR = 1; |
aktk | 18:049283936e3f | 42 | m_PMRC_state = ALLHiZ; |
aktk | 15:56703876e914 | 43 | m_PMRC_POL = Cathodic; |
aktk | 15:56703876e914 | 44 | } |
aktk | 15:56703876e914 | 45 | |
aktk | 17:08a68860396b | 46 | char PMRC16ch::allGround() |
aktk | 15:56703876e914 | 47 | { |
aktk | 17:08a68860396b | 48 | if (m_PMRC_state == ALLGROUND) return 1; |
aktk | 15:56703876e914 | 49 | sweep(); |
aktk | 15:56703876e914 | 50 | upload(); |
aktk | 17:08a68860396b | 51 | return static_cast<char>(m_PMRC_state = ALLGROUND); |
aktk | 15:56703876e914 | 52 | } |
aktk | 15:56703876e914 | 53 | |
aktk | 15:56703876e914 | 54 | char PMRC16ch::setCh(State arg_state, Polarity arg_POL) |
aktk | 15:56703876e914 | 55 | { |
aktk | 16:e81a30a098dd | 56 | m_PMRC_POL = arg_POL; |
aktk | 15:56703876e914 | 57 | int num_of_shift = static_cast<int>(arg_state) - static_cast<int>(m_PMRC_state); |
aktk | 15:56703876e914 | 58 | |
aktk | 15:56703876e914 | 59 | if( num_of_shift < 0 ) |
aktk | 15:56703876e914 | 60 | sweep(); |
aktk | 15:56703876e914 | 61 | |
aktk | 17:08a68860396b | 62 | if( m_PMRC_state == ALLGROUND ) { |
aktk | 15:56703876e914 | 63 | setStimbits(); |
aktk | 15:56703876e914 | 64 | num_of_shift = static_cast<char>(arg_state - 1); |
aktk | 15:56703876e914 | 65 | } |
aktk | 15:56703876e914 | 66 | shiftby(num_of_shift); |
aktk | 15:56703876e914 | 67 | upload(); |
aktk | 15:56703876e914 | 68 | |
aktk | 15:56703876e914 | 69 | return static_cast<char>(m_PMRC_state = arg_state); |
aktk | 15:56703876e914 | 70 | } |
aktk | 15:56703876e914 | 71 | char PMRC16ch::setCh(char arg_state, Polarity arg_POL) |
aktk | 15:56703876e914 | 72 | { |
aktk | 16:e81a30a098dd | 73 | m_PMRC_POL = arg_POL; |
aktk | 15:56703876e914 | 74 | int8_t num_of_shift = arg_state - static_cast<int8_t>(m_PMRC_state); |
aktk | 15:56703876e914 | 75 | |
aktk | 15:56703876e914 | 76 | if( num_of_shift < 0 ) |
aktk | 15:56703876e914 | 77 | sweep(); |
aktk | 15:56703876e914 | 78 | |
aktk | 17:08a68860396b | 79 | if( m_PMRC_state == ALLGROUND ) { |
aktk | 15:56703876e914 | 80 | setStimbits(); |
aktk | 15:56703876e914 | 81 | num_of_shift = static_cast<char>(arg_state - 1); |
aktk | 15:56703876e914 | 82 | } |
aktk | 15:56703876e914 | 83 | shiftby(num_of_shift); |
aktk | 15:56703876e914 | 84 | upload(); |
aktk | 15:56703876e914 | 85 | |
aktk | 15:56703876e914 | 86 | return static_cast<char>(m_PMRC_state = static_cast<State>(arg_state)); |
aktk | 15:56703876e914 | 87 | } |
aktk | 15:56703876e914 | 88 | |
aktk | 15:56703876e914 | 89 | void PMRC16ch::allHiZ() |
aktk | 15:56703876e914 | 90 | { |
aktk | 15:56703876e914 | 91 | //reset shiftresister |
aktk | 15:56703876e914 | 92 | m_CLR = 0; |
aktk | 15:56703876e914 | 93 | update(); |
aktk | 15:56703876e914 | 94 | //enable insertion data to SR |
aktk | 15:56703876e914 | 95 | m_CLR = 1; |
aktk | 15:56703876e914 | 96 | upload(); |
aktk | 15:56703876e914 | 97 | } |
aktk | 15:56703876e914 | 98 | |
aktk | 15:56703876e914 | 99 | void PMRC16ch::setBits(const uint32_t bits, int num_of_bits, Polarity arg_POL) |
aktk | 15:56703876e914 | 100 | { |
aktk | 16:e81a30a098dd | 101 | m_PMRC_POL = arg_POL; |
aktk | 15:56703876e914 | 102 | //reset shiftresister |
aktk | 15:56703876e914 | 103 | m_CLR = 0; |
aktk | 15:56703876e914 | 104 | update(); |
aktk | 15:56703876e914 | 105 | //enable insertion data to SR |
aktk | 15:56703876e914 | 106 | m_CLR = 1; |
aktk | 15:56703876e914 | 107 | for(int i = 0; i < num_of_bits; i++){ |
aktk | 16:e81a30a098dd | 108 | m_SER = (((bits >> i) & 0b0001) ^ m_PMRC_POL); //XOR Polarity |
aktk | 15:56703876e914 | 109 | update(); |
aktk | 15:56703876e914 | 110 | } |
aktk | 15:56703876e914 | 111 | upload(); |
aktk | 15:56703876e914 | 112 | } |
aktk | 15:56703876e914 | 113 | |
aktk | 15:56703876e914 | 114 | void PMRC16ch::sweep() |
aktk | 15:56703876e914 | 115 | { |
aktk | 15:56703876e914 | 116 | int num_of_shift = (16 + 1) - static_cast<int>(m_PMRC_state); |
aktk | 15:56703876e914 | 117 | |
aktk | 15:56703876e914 | 118 | shiftby(num_of_shift); |
aktk | 17:08a68860396b | 119 | m_PMRC_state = ALLGROUND; |
aktk | 15:56703876e914 | 120 | } |
aktk | 15:56703876e914 | 121 | |
aktk | 15:56703876e914 | 122 | void PMRC16ch::shiftby(int arg_num) |
aktk | 15:56703876e914 | 123 | { |
aktk | 15:56703876e914 | 124 | for(int i = 0; i < arg_num; i++) { |
aktk | 16:e81a30a098dd | 125 | // insert 1 XOR Polarity |
aktk | 16:e81a30a098dd | 126 | m_SER = 1 ^ m_PMRC_POL; |
aktk | 15:56703876e914 | 127 | update(); |
aktk | 16:e81a30a098dd | 128 | // insert 0 XOR Polarity |
aktk | 16:e81a30a098dd | 129 | m_SER = 0 ^ m_PMRC_POL; |
aktk | 15:56703876e914 | 130 | update(); |
aktk | 15:56703876e914 | 131 | } |
aktk | 15:56703876e914 | 132 | m_PMRC_state = static_cast<State>((static_cast<int>(m_PMRC_state) + arg_num) % (16 + 1)); |
aktk | 15:56703876e914 | 133 | } |
aktk | 15:56703876e914 | 134 | |
aktk | 15:56703876e914 | 135 | void PMRC16ch::setStimbits() |
aktk | 15:56703876e914 | 136 | { |
aktk | 16:e81a30a098dd | 137 | // insert 0 XOR Polarity |
aktk | 16:e81a30a098dd | 138 | m_SER = 0 ^ m_PMRC_POL; |
aktk | 15:56703876e914 | 139 | update(); |
aktk | 16:e81a30a098dd | 140 | // insert 1 XOR Polarity |
aktk | 16:e81a30a098dd | 141 | m_SER = 1 ^ m_PMRC_POL; |
aktk | 15:56703876e914 | 142 | update(); |
aktk | 15:56703876e914 | 143 | m_PMRC_state = CH1; |
aktk | 15:56703876e914 | 144 | } |
aktk | 15:56703876e914 | 145 | void PMRC16ch::update() |
aktk | 15:56703876e914 | 146 | { |
aktk | 15:56703876e914 | 147 | //Shift-resister Clock update |
aktk | 15:56703876e914 | 148 | m_SCK = 1; |
aktk | 15:56703876e914 | 149 | m_SCK = 1; |
aktk | 15:56703876e914 | 150 | m_SCK = 0; |
aktk | 15:56703876e914 | 151 | m_SCK = 0; |
aktk | 15:56703876e914 | 152 | } |
aktk | 15:56703876e914 | 153 | void PMRC16ch::upload() |
aktk | 15:56703876e914 | 154 | { |
aktk | 15:56703876e914 | 155 | //FF Clock Update |
aktk | 15:56703876e914 | 156 | m_RCK = 1; |
aktk | 15:56703876e914 | 157 | m_RCK = 1; |
aktk | 15:56703876e914 | 158 | m_RCK = 0; |
aktk | 15:56703876e914 | 159 | m_RCK = 0; |
aktk | 15:56703876e914 | 160 | } |