Indrek Ardel / DMX-STM32 Featured

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@9:e687f321c428, 2013-03-29 (annotated)

Committer:
okini3939
Date:
Fri Mar 29 02:06:50 2013 +0000
Revision:
9:e687f321c428
Parent:
8:d4a45bba41d2
Child:
10:b748aab8404c
fix

Who changed what in which revision?

UserRevisionLine numberNew contents of line
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 0:cbff6bf41542 15
okini3939 1:f0d988e15810 16 #define DMX_UART_DIRECT
okini3939 0:cbff6bf41542 17
okini3939 0:cbff6bf41542 18 #define DMX_SIZE 512
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 9:e687f321c428 21 #define DMX_TIME_BETWEEN 10 // 10us (0-1s)
okini3939 9:e687f321c428 22 #define DMX_START_CODE 0
okini3939 0:cbff6bf41542 23
okini3939 0:cbff6bf41542 24 enum DMX_MODE {
okini3939 0:cbff6bf41542 25 DMX_MODE_BEGIN,
okini3939 0:cbff6bf41542 26 DMX_MODE_START,
okini3939 0:cbff6bf41542 27 DMX_MODE_BREAK,
okini3939 0:cbff6bf41542 28 DMX_MODE_MAB,
okini3939 0:cbff6bf41542 29 DMX_MODE_DATA,
okini3939 0:cbff6bf41542 30 DMX_MODE_ERROR,
okini3939 4:dd0544c80096 31 DMX_MODE_STOP,
okini3939 0:cbff6bf41542 32 };
okini3939 0:cbff6bf41542 33
okini3939 0:cbff6bf41542 34 /** DMX512 class (sender/client)
okini3939 0:cbff6bf41542 35 */
okini3939 0:cbff6bf41542 36 class DMX {
okini3939 0:cbff6bf41542 37 public:
okini3939 0:cbff6bf41542 38 /** init DMX class
okini3939 0:cbff6bf41542 39 * @param p_tx TX serial port (p9, p13, p28)
okini3939 0:cbff6bf41542 40 * @param p_rx RX serial port (p10, p14, p27)
okini3939 0:cbff6bf41542 41 */
okini3939 0:cbff6bf41542 42 DMX (PinName p_tx, PinName p_rx);
okini3939 0:cbff6bf41542 43
okini3939 6:9e7b4eeac6ec 44 /** Send the data
okini3939 6:9e7b4eeac6ec 45 * @param addr DMX data address (0-511)
okini3939 0:cbff6bf41542 46 * @param data DMX data (0-255)
okini3939 0:cbff6bf41542 47 */
okini3939 6:9e7b4eeac6ec 48 void put (int addr, int data);
okini3939 6:9e7b4eeac6ec 49 /** Send the data
okini3939 6:9e7b4eeac6ec 50 * @param buf DMX data buffer
okini3939 6:9e7b4eeac6ec 51 * @param addr DMX data address
okini3939 6:9e7b4eeac6ec 52 * @param len data length
okini3939 6:9e7b4eeac6ec 53 */
okini3939 6:9e7b4eeac6ec 54 void put (unsigned char *buf, int addr = 0, int len = DMX_SIZE);
okini3939 0:cbff6bf41542 55
okini3939 6:9e7b4eeac6ec 56 /** Send the data
okini3939 7:16d6874076dd 57 * @param addr DMX data address (0-511)
okini3939 0:cbff6bf41542 58 * @return DMX data (0-255)
okini3939 0:cbff6bf41542 59 */
okini3939 6:9e7b4eeac6ec 60 int get (int addr);
okini3939 6:9e7b4eeac6ec 61 /** Send the data
okini3939 6:9e7b4eeac6ec 62 * @param buf DMX data buffer
okini3939 6:9e7b4eeac6ec 63 * @param addr DMX data address
okini3939 6:9e7b4eeac6ec 64 * @param len data length
okini3939 6:9e7b4eeac6ec 65 */
okini3939 6:9e7b4eeac6ec 66 void get (unsigned char *buf, int addr = 0, int len = DMX_SIZE);
okini3939 0:cbff6bf41542 67
okini3939 6:9e7b4eeac6ec 68 /** Start DMX send operation
okini3939 4:dd0544c80096 69 */
okini3939 4:dd0544c80096 70 void start ();
okini3939 6:9e7b4eeac6ec 71 /** Stop DMX send operation
okini3939 4:dd0544c80096 72 */
okini3939 4:dd0544c80096 73 void stop ();
okini3939 3:2eb66b4d99bd 74
okini3939 0:cbff6bf41542 75 volatile int is_recived, is_sent;
okini3939 0:cbff6bf41542 76
okini3939 0:cbff6bf41542 77 protected:
okini3939 0:cbff6bf41542 78
okini3939 0:cbff6bf41542 79 void int_timer ();
okini3939 0:cbff6bf41542 80 void int_tx ();
okini3939 0:cbff6bf41542 81 void int_rx ();
okini3939 0:cbff6bf41542 82
okini3939 5:72039cd4c874 83 Serial _dmx;
okini3939 0:cbff6bf41542 84 Timeout timeout01;
okini3939 6:9e7b4eeac6ec 85 volatile DMX_MODE mode_tx, mode_rx;
okini3939 6:9e7b4eeac6ec 86 volatile int addr_tx, addr_rx;
okini3939 6:9e7b4eeac6ec 87 unsigned char data_tx[DMX_SIZE];
okini3939 6:9e7b4eeac6ec 88 unsigned char data_rx[DMX_SIZE];
okini3939 6:9e7b4eeac6ec 89
okini3939 6:9e7b4eeac6ec 90 private:
okini3939 5:72039cd4c874 91 #if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
okini3939 8:d4a45bba41d2 92 LPC_UART_TypeDef *_uart;
okini3939 5:72039cd4c874 93 #elif defined(TARGET_LPC11U24)
okini3939 8:d4a45bba41d2 94 LPC_USART_Type *_uart;
okini3939 5:72039cd4c874 95 #endif
okini3939 0:cbff6bf41542 96
okini3939 0:cbff6bf41542 97 };
okini3939 0:cbff6bf41542 98
okini3939 0:cbff6bf41542 99 #endif