DMX Library for STM devices
Dependents: DISCO-F746NG_DMX-Test
Fork of DMX by
DMX.h@18:e5e5eca21b4a, 2015-12-12 (annotated)
- Committer:
- Gottfried
- Date:
- Sat Dec 12 13:57:52 2015 +0000
- Revision:
- 18:e5e5eca21b4a
- Parent:
- 17:b87addd12d20
some changes
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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okini3939 | 0:cbff6bf41542 | 1 | /* |
okini3939 | 0:cbff6bf41542 | 2 | * DMX512 send/recv library |
okini3939 | 6:9e7b4eeac6ec | 3 | * Copyright (c) 2013 Hiroshi Suga |
okini3939 | 0:cbff6bf41542 | 4 | * Released under the MIT License: http://mbed.org/license/mit |
okini3939 | 0:cbff6bf41542 | 5 | */ |
okini3939 | 0:cbff6bf41542 | 6 | |
okini3939 | 7:16d6874076dd | 7 | /** @file |
okini3939 | 0:cbff6bf41542 | 8 | * @brief DMX512 send/recv |
okini3939 | 0:cbff6bf41542 | 9 | */ |
okini3939 | 0:cbff6bf41542 | 10 | |
okini3939 | 0:cbff6bf41542 | 11 | #ifndef DMX_H |
okini3939 | 0:cbff6bf41542 | 12 | #define DMX_H |
okini3939 | 0:cbff6bf41542 | 13 | |
okini3939 | 0:cbff6bf41542 | 14 | #include "mbed.h" |
okini3939 | 14:cef8749fd54d | 15 | #include "RawSerial.h" |
okini3939 | 0:cbff6bf41542 | 16 | |
Gottfried | 17:b87addd12d20 | 17 | //#define DMX_UART_DIRECT |
okini3939 | 0:cbff6bf41542 | 18 | |
okini3939 | 9:e687f321c428 | 19 | #define DMX_TIME_BREAK 100 // 100us (88us-1s) |
okini3939 | 9:e687f321c428 | 20 | #define DMX_TIME_MAB 10 // 10us (8us-1s) |
okini3939 | 15:4ea4a31c7609 | 21 | #define DMX_TIME_BETWEEN 200 // 10us (0-1s) |
okini3939 | 9:e687f321c428 | 22 | #define DMX_START_CODE 0 |
okini3939 | 0:cbff6bf41542 | 23 | |
Gottfried | 17:b87addd12d20 | 24 | enum DMX_MODE |
Gottfried | 17:b87addd12d20 | 25 | { |
okini3939 | 0:cbff6bf41542 | 26 | DMX_MODE_BEGIN, |
okini3939 | 0:cbff6bf41542 | 27 | DMX_MODE_START, |
okini3939 | 0:cbff6bf41542 | 28 | DMX_MODE_BREAK, |
okini3939 | 0:cbff6bf41542 | 29 | DMX_MODE_MAB, |
okini3939 | 0:cbff6bf41542 | 30 | DMX_MODE_DATA, |
okini3939 | 0:cbff6bf41542 | 31 | DMX_MODE_ERROR, |
okini3939 | 4:dd0544c80096 | 32 | DMX_MODE_STOP, |
okini3939 | 0:cbff6bf41542 | 33 | }; |
okini3939 | 0:cbff6bf41542 | 34 | |
okini3939 | 0:cbff6bf41542 | 35 | /** DMX512 class (sender/client) |
okini3939 | 0:cbff6bf41542 | 36 | */ |
Gottfried | 17:b87addd12d20 | 37 | class DMX |
Gottfried | 17:b87addd12d20 | 38 | { |
okini3939 | 0:cbff6bf41542 | 39 | public: |
okini3939 | 0:cbff6bf41542 | 40 | /** init DMX class |
Gottfried | 17:b87addd12d20 | 41 | * @param p_tx TX serial port (PC_2, PA_2) |
Gottfried | 17:b87addd12d20 | 42 | * @param p_rx RX serial port (PC_2, PA_2) |
Gottfried | 17:b87addd12d20 | 43 | * @param size dmx size, default = 512 |
okini3939 | 0:cbff6bf41542 | 44 | */ |
Gottfried | 17:b87addd12d20 | 45 | DMX(PinName p_tx, PinName p_rx, unsigned int size = 512); |
Gottfried | 17:b87addd12d20 | 46 | ~DMX(); |
okini3939 | 0:cbff6bf41542 | 47 | |
okini3939 | 6:9e7b4eeac6ec | 48 | /** Send the data |
okini3939 | 6:9e7b4eeac6ec | 49 | * @param addr DMX data address (0-511) |
okini3939 | 0:cbff6bf41542 | 50 | * @param data DMX data (0-255) |
okini3939 | 0:cbff6bf41542 | 51 | */ |
Gottfried | 18:e5e5eca21b4a | 52 | void put(int addr, char data); |
okini3939 | 6:9e7b4eeac6ec | 53 | /** Send the data |
okini3939 | 6:9e7b4eeac6ec | 54 | * @param buf DMX data buffer |
okini3939 | 6:9e7b4eeac6ec | 55 | * @param addr DMX data address |
okini3939 | 6:9e7b4eeac6ec | 56 | * @param len data length |
okini3939 | 6:9e7b4eeac6ec | 57 | */ |
Gottfried | 18:e5e5eca21b4a | 58 | void put(char *buf, int addr = 0, int len = 0); |
okini3939 | 0:cbff6bf41542 | 59 | |
okini3939 | 6:9e7b4eeac6ec | 60 | /** Send the data |
okini3939 | 7:16d6874076dd | 61 | * @param addr DMX data address (0-511) |
Gottfried | 18:e5e5eca21b4a | 62 | * @return DMX data (0-255) or -1 on error |
okini3939 | 0:cbff6bf41542 | 63 | */ |
Gottfried | 17:b87addd12d20 | 64 | int get(int addr); |
okini3939 | 6:9e7b4eeac6ec | 65 | /** Send the data |
okini3939 | 6:9e7b4eeac6ec | 66 | * @param buf DMX data buffer |
okini3939 | 6:9e7b4eeac6ec | 67 | * @param addr DMX data address |
okini3939 | 6:9e7b4eeac6ec | 68 | * @param len data length |
okini3939 | 6:9e7b4eeac6ec | 69 | */ |
Gottfried | 18:e5e5eca21b4a | 70 | void get(char *buf, int addr = 0, int len = 0); |
okini3939 | 0:cbff6bf41542 | 71 | |
okini3939 | 6:9e7b4eeac6ec | 72 | /** Start DMX send operation |
okini3939 | 4:dd0544c80096 | 73 | */ |
Gottfried | 17:b87addd12d20 | 74 | void start(); |
okini3939 | 6:9e7b4eeac6ec | 75 | /** Stop DMX send operation |
okini3939 | 4:dd0544c80096 | 76 | */ |
Gottfried | 17:b87addd12d20 | 77 | void stop(); |
okini3939 | 12:1f176eee2d28 | 78 | /** Clear DMX data |
okini3939 | 12:1f176eee2d28 | 79 | */ |
Gottfried | 17:b87addd12d20 | 80 | void clear(); |
okini3939 | 3:2eb66b4d99bd | 81 | |
Gottfried | 17:b87addd12d20 | 82 | volatile int is_recived; |
Gottfried | 17:b87addd12d20 | 83 | volatile int is_sent; |
okini3939 | 0:cbff6bf41542 | 84 | |
okini3939 | 0:cbff6bf41542 | 85 | protected: |
okini3939 | 0:cbff6bf41542 | 86 | |
Gottfried | 17:b87addd12d20 | 87 | void int_timer(); |
Gottfried | 17:b87addd12d20 | 88 | void int_tx(); |
Gottfried | 17:b87addd12d20 | 89 | void int_rx(); |
okini3939 | 0:cbff6bf41542 | 90 | |
okini3939 | 14:cef8749fd54d | 91 | // Serial _dmx; |
okini3939 | 13:9841af9ac344 | 92 | RawSerial _dmx; |
okini3939 | 0:cbff6bf41542 | 93 | Timeout timeout01; |
Gottfried | 17:b87addd12d20 | 94 | volatile DMX_MODE mode_tx; |
Gottfried | 17:b87addd12d20 | 95 | volatile DMX_MODE mode_rx; |
Gottfried | 17:b87addd12d20 | 96 | volatile int addr_tx; |
Gottfried | 17:b87addd12d20 | 97 | volatile int addr_rx; |
Gottfried | 17:b87addd12d20 | 98 | char *data_tx; |
Gottfried | 17:b87addd12d20 | 99 | char *data_rx; |
okini3939 | 6:9e7b4eeac6ec | 100 | |
okini3939 | 6:9e7b4eeac6ec | 101 | private: |
Gottfried | 17:b87addd12d20 | 102 | unsigned int myDMXSize; |
Gottfried | 17:b87addd12d20 | 103 | // struct recreated from LPC port -> must be converted to STM32 port |
Gottfried | 17:b87addd12d20 | 104 | typedef struct |
Gottfried | 17:b87addd12d20 | 105 | { |
Gottfried | 17:b87addd12d20 | 106 | uint8_t LCR; // ? |
Gottfried | 17:b87addd12d20 | 107 | uint8_t LSR; // flg |
Gottfried | 17:b87addd12d20 | 108 | uint8_t RBR; // read port |
Gottfried | 17:b87addd12d20 | 109 | uint8_t THR; // ? |
Gottfried | 17:b87addd12d20 | 110 | }DUMMY_UART_TypeDef; |
Gottfried | 17:b87addd12d20 | 111 | |
Gottfried | 17:b87addd12d20 | 112 | DUMMY_UART_TypeDef *_uart; |
okini3939 | 0:cbff6bf41542 | 113 | }; |
okini3939 | 0:cbff6bf41542 | 114 | |
okini3939 | 0:cbff6bf41542 | 115 | #endif |