Indrek Ardel
DMX512 send/recv library with STM32 slave support originally from http://mbed.org/users/okini3939/notebook/dmx512
Fork of
DMX
by 
Suga koubou
DMX.h@0:cbff6bf41542, 2012-06-26 (annotated)
- Committer:
- okini3939
- Date:
- Tue Jun 26 08:29:33 2012 +0000
- Revision:
- 0:cbff6bf41542
- Child:
- 1:f0d988e15810
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| okini3939 | 0:cbff6bf41542 | 1 | /* |
| okini3939 | 0:cbff6bf41542 | 2 | * DMX512 send/recv library |
| okini3939 | 0:cbff6bf41542 | 3 | * Copyright (c) 2011 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 | 0:cbff6bf41542 | 7 | /** @file DMX.h |
| 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 | 0:cbff6bf41542 | 15 | |
| okini3939 | 0:cbff6bf41542 | 16 | #define DMX_DIRECT |
| okini3939 | 0:cbff6bf41542 | 17 | |
| okini3939 | 0:cbff6bf41542 | 18 | #define DMX_SIZE 512 |
| okini3939 | 0:cbff6bf41542 | 19 | #define DMX_TIME_BREAK 100 // 100us |
| okini3939 | 0:cbff6bf41542 | 20 | #define DMX_TIME_MAB 10 // 10us |
| okini3939 | 0:cbff6bf41542 | 21 | #define DMX_TIME_BETWEEN 10 // 10us |
| okini3939 | 0:cbff6bf41542 | 22 | |
| okini3939 | 0:cbff6bf41542 | 23 | enum DMX_MODE { |
| okini3939 | 0:cbff6bf41542 | 24 | DMX_MODE_BEGIN, |
| okini3939 | 0:cbff6bf41542 | 25 | DMX_MODE_START, |
| okini3939 | 0:cbff6bf41542 | 26 | DMX_MODE_BREAK, |
| okini3939 | 0:cbff6bf41542 | 27 | DMX_MODE_MAB, |
| okini3939 | 0:cbff6bf41542 | 28 | DMX_MODE_DATA, |
| okini3939 | 0:cbff6bf41542 | 29 | DMX_MODE_ERROR, |
| okini3939 | 0:cbff6bf41542 | 30 | }; |
| okini3939 | 0:cbff6bf41542 | 31 | |
| okini3939 | 0:cbff6bf41542 | 32 | /** DMX512 class (sender/client) |
| okini3939 | 0:cbff6bf41542 | 33 | */ |
| okini3939 | 0:cbff6bf41542 | 34 | class DMX { |
| okini3939 | 0:cbff6bf41542 | 35 | public: |
| okini3939 | 0:cbff6bf41542 | 36 | /** init DMX class |
| okini3939 | 0:cbff6bf41542 | 37 | * @param p_tx TX serial port (p9, p13, p28) |
| okini3939 | 0:cbff6bf41542 | 38 | * @param p_rx RX serial port (p10, p14, p27) |
| okini3939 | 0:cbff6bf41542 | 39 | */ |
| okini3939 | 0:cbff6bf41542 | 40 | DMX (PinName p_tx, PinName p_rx); |
| okini3939 | 0:cbff6bf41542 | 41 | |
| okini3939 | 0:cbff6bf41542 | 42 | /** Send the message |
| okini3939 | 0:cbff6bf41542 | 43 | * @param ch DMX data address (0-511) |
| okini3939 | 0:cbff6bf41542 | 44 | * @param data DMX data (0-255) |
| okini3939 | 0:cbff6bf41542 | 45 | */ |
| okini3939 | 0:cbff6bf41542 | 46 | void put (int ch, int data); |
| okini3939 | 0:cbff6bf41542 | 47 | |
| okini3939 | 0:cbff6bf41542 | 48 | /** Send the message |
| okini3939 | 0:cbff6bf41542 | 49 | * @param ch DMX data address (0-511) |
| okini3939 | 0:cbff6bf41542 | 50 | * @return DMX data (0-255) |
| okini3939 | 0:cbff6bf41542 | 51 | */ |
| okini3939 | 0:cbff6bf41542 | 52 | int get (int ch); |
| okini3939 | 0:cbff6bf41542 | 53 | |
| okini3939 | 0:cbff6bf41542 | 54 | volatile int is_recived, is_sent; |
| okini3939 | 0:cbff6bf41542 | 55 | |
| okini3939 | 0:cbff6bf41542 | 56 | protected: |
| okini3939 | 0:cbff6bf41542 | 57 | |
| okini3939 | 0:cbff6bf41542 | 58 | void int_timer (); |
| okini3939 | 0:cbff6bf41542 | 59 | void int_tx (); |
| okini3939 | 0:cbff6bf41542 | 60 | void int_rx (); |
| okini3939 | 0:cbff6bf41542 | 61 | |
| okini3939 | 0:cbff6bf41542 | 62 | Serial dmx; |
| okini3939 | 0:cbff6bf41542 | 63 | Timeout timeout01; |
| okini3939 | 0:cbff6bf41542 | 64 | __IO uint8_t *uart_lcr; |
| okini3939 | 0:cbff6bf41542 | 65 | __I uint8_t *uart_lsr; |
| okini3939 | 0:cbff6bf41542 | 66 | __IO uint8_t *uart_thr; |
| okini3939 | 0:cbff6bf41542 | 67 | __I uint8_t *uart_rbr; |
| okini3939 | 0:cbff6bf41542 | 68 | volatile DMX_MODE mode_tx, mode_rx; |
| okini3939 | 0:cbff6bf41542 | 69 | volatile int addr_tx, addr_rx; |
| okini3939 | 0:cbff6bf41542 | 70 | unsigned char data_tx[DMX_SIZE]; |
| okini3939 | 0:cbff6bf41542 | 71 | unsigned char data_rx[DMX_SIZE]; |
| okini3939 | 0:cbff6bf41542 | 72 | |
| okini3939 | 0:cbff6bf41542 | 73 | private: |
| okini3939 | 0:cbff6bf41542 | 74 | |
| okini3939 | 0:cbff6bf41542 | 75 | }; |
| okini3939 | 0:cbff6bf41542 | 76 | |
| okini3939 | 0:cbff6bf41542 | 77 | #endif |