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Multithreading Solution for A13 Temperatur, Servo, Display Roger Zuber, BZTF
ShiftOut.h@0:680471563758, 2021-09-23 (annotated)
- Committer:
- rogerzuber
- Date:
- Thu Sep 23 18:04:03 2021 +0000
- Revision:
- 0:680471563758
Multithreading Solution A13 - Roger Zuber (BZTF)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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rogerzuber | 0:680471563758 | 1 | /* |
rogerzuber | 0:680471563758 | 2 | * Copyright 2015 Benjamin R. Moeklegaard |
rogerzuber | 0:680471563758 | 3 | * |
rogerzuber | 0:680471563758 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
rogerzuber | 0:680471563758 | 5 | * you may not use this file except in compliance with the License. |
rogerzuber | 0:680471563758 | 6 | * You may obtain a copy of the License at |
rogerzuber | 0:680471563758 | 7 | * |
rogerzuber | 0:680471563758 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
rogerzuber | 0:680471563758 | 9 | * |
rogerzuber | 0:680471563758 | 10 | * Unless required by applicable law or agreed to in writing, software |
rogerzuber | 0:680471563758 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
rogerzuber | 0:680471563758 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
rogerzuber | 0:680471563758 | 13 | * See the License for the specific language governing permissions and |
rogerzuber | 0:680471563758 | 14 | * limitations under the License. |
rogerzuber | 0:680471563758 | 15 | */ |
rogerzuber | 0:680471563758 | 16 | |
rogerzuber | 0:680471563758 | 17 | #ifndef SHIFT_H |
rogerzuber | 0:680471563758 | 18 | #define SHIFT_H |
rogerzuber | 0:680471563758 | 19 | |
rogerzuber | 0:680471563758 | 20 | //Constant for managing n-numbers of registers, Function supported (writeByte, writeBit, writeBitAtPos) |
rogerzuber | 0:680471563758 | 21 | #define REGISTER_CNT 2 |
rogerzuber | 0:680471563758 | 22 | /** |
rogerzuber | 0:680471563758 | 23 | * This is a library for easy interfacing with the SN74HC595N 8-bit Shift Register. |
rogerzuber | 0:680471563758 | 24 | * The library includes functions for writing bits, bytes and animation array to the register. |
rogerzuber | 0:680471563758 | 25 | * The Functions are mainly based for writting 8-bits or one byte and can be moddified to work |
rogerzuber | 0:680471563758 | 26 | * with multiple shift registers. |
rogerzuber | 0:680471563758 | 27 | *@code |
rogerzuber | 0:680471563758 | 28 | * #include "mbed.h" |
rogerzuber | 0:680471563758 | 29 | * #include "ShiftOut.h" |
rogerzuber | 0:680471563758 | 30 | * ShiftOut reg(PA_8, PA_9, PC_7, PB_6, D1); |
rogerzuber | 0:680471563758 | 31 | * |
rogerzuber | 0:680471563758 | 32 | * int main(){ |
rogerzuber | 0:680471563758 | 33 | * while(1){ |
rogerzuber | 0:680471563758 | 34 | * reg.writeBitAtPos(3, 1); |
rogerzuber | 0:680471563758 | 35 | * wait(2); |
rogerzuber | 0:680471563758 | 36 | * reg.writeByte(0x30); |
rogerzuber | 0:680471563758 | 37 | * wait(2); |
rogerzuber | 0:680471563758 | 38 | * } |
rogerzuber | 0:680471563758 | 39 | * }@endcode |
rogerzuber | 0:680471563758 | 40 | */ |
rogerzuber | 0:680471563758 | 41 | |
rogerzuber | 0:680471563758 | 42 | class ShiftOut |
rogerzuber | 0:680471563758 | 43 | { |
rogerzuber | 0:680471563758 | 44 | public: |
rogerzuber | 0:680471563758 | 45 | |
rogerzuber | 0:680471563758 | 46 | /** Create a ShiftOut interface |
rogerzuber | 0:680471563758 | 47 | * |
rogerzuber | 0:680471563758 | 48 | * @param ser Serial data line |
rogerzuber | 0:680471563758 | 49 | * @param srclk Data register clock |
rogerzuber | 0:680471563758 | 50 | * @param rclk Output register clock |
rogerzuber | 0:680471563758 | 51 | * @param oe Output enable (Active Low) |
rogerzuber | 0:680471563758 | 52 | * @param reset Reset line for data register (Active Low) |
rogerzuber | 0:680471563758 | 53 | * Writing Byte Example: |
rogerzuber | 0:680471563758 | 54 | * @code |
rogerzuber | 0:680471563758 | 55 | * #include "mbed.h" |
rogerzuber | 0:680471563758 | 56 | * #include "ShiftOut.h" |
rogerzuber | 0:680471563758 | 57 | * |
rogerzuber | 0:680471563758 | 58 | * ShiftOut reg(PA_8, PA_9, PC_7, PB_6, D1); |
rogerzuber | 0:680471563758 | 59 | * int main() |
rogerzuber | 0:680471563758 | 60 | * { |
rogerzuber | 0:680471563758 | 61 | * reg.writeByte(0x00); //Writes each bit to the SN74HC595N |
rogerzuber | 0:680471563758 | 62 | * while(1) { |
rogerzuber | 0:680471563758 | 63 | * wait_ms(300); |
rogerzuber | 0:680471563758 | 64 | * } |
rogerzuber | 0:680471563758 | 65 | * } |
rogerzuber | 0:680471563758 | 66 | * @endcode |
rogerzuber | 0:680471563758 | 67 | */ |
rogerzuber | 0:680471563758 | 68 | |
rogerzuber | 0:680471563758 | 69 | |
rogerzuber | 0:680471563758 | 70 | ShiftOut(PinName ser, PinName srclk, PinName rclk, |
rogerzuber | 0:680471563758 | 71 | PinName oe, PinName reset); |
rogerzuber | 0:680471563758 | 72 | |
rogerzuber | 0:680471563758 | 73 | /** |
rogerzuber | 0:680471563758 | 74 | * Writes a byte to the shift register |
rogerzuber | 0:680471563758 | 75 | * @param byte 0xXX or numbers from 0-255 |
rogerzuber | 0:680471563758 | 76 | */ |
rogerzuber | 0:680471563758 | 77 | void writeByte(unsigned char); |
rogerzuber | 0:680471563758 | 78 | |
rogerzuber | 0:680471563758 | 79 | void write2Byte(unsigned int); |
rogerzuber | 0:680471563758 | 80 | |
rogerzuber | 0:680471563758 | 81 | |
rogerzuber | 0:680471563758 | 82 | /** |
rogerzuber | 0:680471563758 | 83 | * Writes a bit to the first output on the shift register |
rogerzuber | 0:680471563758 | 84 | * @param bit 0 or 1 |
rogerzuber | 0:680471563758 | 85 | */ |
rogerzuber | 0:680471563758 | 86 | |
rogerzuber | 0:680471563758 | 87 | void writeBit(unsigned char); |
rogerzuber | 0:680471563758 | 88 | |
rogerzuber | 0:680471563758 | 89 | /** |
rogerzuber | 0:680471563758 | 90 | * Writes bits from an 2D array, with configurable delay |
rogerzuber | 0:680471563758 | 91 | * @param int array, int lines, int delay_ms |
rogerzuber | 0:680471563758 | 92 | * writes a 2D array with n-lines with a configurable delay in ms |
rogerzuber | 0:680471563758 | 93 | * @code |
rogerzuber | 0:680471563758 | 94 | * #include "mbed.h" |
rogerzuber | 0:680471563758 | 95 | * #include "ShiftOut.h" |
rogerzuber | 0:680471563758 | 96 | * ShiftOut reg(PA_8, PA_9, PC_7, PB_6, D1); |
rogerzuber | 0:680471563758 | 97 | * |
rogerzuber | 0:680471563758 | 98 | * int main(){ |
rogerzuber | 0:680471563758 | 99 | * int strobe[][8]= {{1,0,0,0,0,0,0,0}, |
rogerzuber | 0:680471563758 | 100 | * {0,1,0,0,0,0,0,0}, |
rogerzuber | 0:680471563758 | 101 | * {0,0,1,0,0,0,0,0}, |
rogerzuber | 0:680471563758 | 102 | * {0,0,0,1,0,0,0,0}, |
rogerzuber | 0:680471563758 | 103 | * {0,0,0,0,1,0,0,0}, |
rogerzuber | 0:680471563758 | 104 | * {0,0,0,0,0,1,0,0}, |
rogerzuber | 0:680471563758 | 105 | * {0,0,0,0,0,0,1,0}, |
rogerzuber | 0:680471563758 | 106 | * {0,0,0,0,0,0,0,1}}; |
rogerzuber | 0:680471563758 | 107 | * while(1){ |
rogerzuber | 0:680471563758 | 108 | * reg.animate(strobe, 8, 200); |
rogerzuber | 0:680471563758 | 109 | * } |
rogerzuber | 0:680471563758 | 110 | * } |
rogerzuber | 0:680471563758 | 111 | * @endcode |
rogerzuber | 0:680471563758 | 112 | */ |
rogerzuber | 0:680471563758 | 113 | |
rogerzuber | 0:680471563758 | 114 | void animate(int[][8], int, int); |
rogerzuber | 0:680471563758 | 115 | |
rogerzuber | 0:680471563758 | 116 | /** |
rogerzuber | 0:680471563758 | 117 | * Demonstrates two animation examples by using the animate function |
rogerzuber | 0:680471563758 | 118 | */ |
rogerzuber | 0:680471563758 | 119 | |
rogerzuber | 0:680471563758 | 120 | void animationExample(void); |
rogerzuber | 0:680471563758 | 121 | |
rogerzuber | 0:680471563758 | 122 | /** |
rogerzuber | 0:680471563758 | 123 | * Writes the desired state to the output on the shift register |
rogerzuber | 0:680471563758 | 124 | * @param char output, state |
rogerzuber | 0:680471563758 | 125 | */ |
rogerzuber | 0:680471563758 | 126 | |
rogerzuber | 0:680471563758 | 127 | void writeBitAtPos(unsigned char, bool); |
rogerzuber | 0:680471563758 | 128 | |
rogerzuber | 0:680471563758 | 129 | /** |
rogerzuber | 0:680471563758 | 130 | * Writes the corresponding array item to the output on the shift register |
rogerzuber | 0:680471563758 | 131 | * @param char array writes to the output from a state array |
rogerzuber | 0:680471563758 | 132 | */ |
rogerzuber | 0:680471563758 | 133 | |
rogerzuber | 0:680471563758 | 134 | void writeArray(char[8]); |
rogerzuber | 0:680471563758 | 135 | |
rogerzuber | 0:680471563758 | 136 | protected: |
rogerzuber | 0:680471563758 | 137 | void updateRegister(void); |
rogerzuber | 0:680471563758 | 138 | void updateOutput(void); |
rogerzuber | 0:680471563758 | 139 | void clearStateArray(void); |
rogerzuber | 0:680471563758 | 140 | DigitalOut DSERIAL, LATCH, RCLK, SRCLK, RESET; |
rogerzuber | 0:680471563758 | 141 | |
rogerzuber | 0:680471563758 | 142 | }; |
rogerzuber | 0:680471563758 | 143 | |
rogerzuber | 0:680471563758 | 144 | #endif |