Gottfried Spitaler / DMX-ST

DMX Library for STM devices

Dependents:   DISCO-F746NG_DMX-Test

Fork of DMX by Suga koubou

DMX.h@15:4ea4a31c7609, 2014-08-26 (annotated)

Committer:
okini3939
Date:
Tue Aug 26 13:25:24 2014 +0000
Revision:
15:4ea4a31c7609
Parent:
14:cef8749fd54d
Child:
17:b87addd12d20
fix short slots.; change to 200us from 10us between time.

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 14:cef8749fd54d 15 #include "RawSerial.h"
okini3939 0:cbff6bf41542 16
okini3939 1:f0d988e15810 17 #define DMX_UART_DIRECT
okini3939 0:cbff6bf41542 18
okini3939 0:cbff6bf41542 19 #define DMX_SIZE 512
okini3939 9:e687f321c428 20 #define DMX_TIME_BREAK 100 // 100us (88us-1s)
okini3939 9:e687f321c428 21 #define DMX_TIME_MAB 10 // 10us (8us-1s)
okini3939 15:4ea4a31c7609 22 #define DMX_TIME_BETWEEN 200 // 10us (0-1s)
okini3939 9:e687f321c428 23 #define DMX_START_CODE 0
okini3939 0:cbff6bf41542 24
okini3939 0:cbff6bf41542 25 enum DMX_MODE {
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 */
okini3939 0:cbff6bf41542 37 class DMX {
okini3939 0:cbff6bf41542 38 public:
okini3939 0:cbff6bf41542 39 /** init DMX class
okini3939 0:cbff6bf41542 40 * @param p_tx TX serial port (p9, p13, p28)
okini3939 0:cbff6bf41542 41 * @param p_rx RX serial port (p10, p14, p27)
okini3939 0:cbff6bf41542 42 */
okini3939 0:cbff6bf41542 43 DMX (PinName p_tx, PinName p_rx);
okini3939 0:cbff6bf41542 44
okini3939 6:9e7b4eeac6ec 45 /** Send the data
okini3939 6:9e7b4eeac6ec 46 * @param addr DMX data address (0-511)
okini3939 0:cbff6bf41542 47 * @param data DMX data (0-255)
okini3939 0:cbff6bf41542 48 */
okini3939 6:9e7b4eeac6ec 49 void put (int addr, int data);
okini3939 6:9e7b4eeac6ec 50 /** Send the data
okini3939 6:9e7b4eeac6ec 51 * @param buf DMX data buffer
okini3939 6:9e7b4eeac6ec 52 * @param addr DMX data address
okini3939 6:9e7b4eeac6ec 53 * @param len data length
okini3939 6:9e7b4eeac6ec 54 */
okini3939 6:9e7b4eeac6ec 55 void put (unsigned char *buf, int addr = 0, int len = DMX_SIZE);
okini3939 0:cbff6bf41542 56
okini3939 6:9e7b4eeac6ec 57 /** Send the data
okini3939 7:16d6874076dd 58 * @param addr DMX data address (0-511)
okini3939 0:cbff6bf41542 59 * @return DMX data (0-255)
okini3939 0:cbff6bf41542 60 */
okini3939 6:9e7b4eeac6ec 61 int get (int addr);
okini3939 6:9e7b4eeac6ec 62 /** Send the data
okini3939 6:9e7b4eeac6ec 63 * @param buf DMX data buffer
okini3939 6:9e7b4eeac6ec 64 * @param addr DMX data address
okini3939 6:9e7b4eeac6ec 65 * @param len data length
okini3939 6:9e7b4eeac6ec 66 */
okini3939 6:9e7b4eeac6ec 67 void get (unsigned char *buf, int addr = 0, int len = DMX_SIZE);
okini3939 0:cbff6bf41542 68
okini3939 6:9e7b4eeac6ec 69 /** Start DMX send operation
okini3939 4:dd0544c80096 70 */
okini3939 4:dd0544c80096 71 void start ();
okini3939 6:9e7b4eeac6ec 72 /** Stop DMX send operation
okini3939 4:dd0544c80096 73 */
okini3939 4:dd0544c80096 74 void stop ();
okini3939 12:1f176eee2d28 75 /** Clear DMX data
okini3939 12:1f176eee2d28 76 */
okini3939 12:1f176eee2d28 77 void clear ();
okini3939 3:2eb66b4d99bd 78
okini3939 0:cbff6bf41542 79 volatile int is_recived, is_sent;
okini3939 0:cbff6bf41542 80
okini3939 0:cbff6bf41542 81 protected:
okini3939 0:cbff6bf41542 82
okini3939 0:cbff6bf41542 83 void int_timer ();
okini3939 0:cbff6bf41542 84 void int_tx ();
okini3939 0:cbff6bf41542 85 void int_rx ();
okini3939 0:cbff6bf41542 86
okini3939 14:cef8749fd54d 87 // Serial _dmx;
okini3939 13:9841af9ac344 88 RawSerial _dmx;
okini3939 0:cbff6bf41542 89 Timeout timeout01;
okini3939 6:9e7b4eeac6ec 90 volatile DMX_MODE mode_tx, mode_rx;
okini3939 6:9e7b4eeac6ec 91 volatile int addr_tx, addr_rx;
okini3939 6:9e7b4eeac6ec 92 unsigned char data_tx[DMX_SIZE];
okini3939 6:9e7b4eeac6ec 93 unsigned char data_rx[DMX_SIZE];
okini3939 6:9e7b4eeac6ec 94
okini3939 6:9e7b4eeac6ec 95 private:
okini3939 13:9841af9ac344 96 #if defined(TARGET_LPC1768) || defined(TARGET_LPC2368) || defined(TARGET_LPC4088)
okini3939 8:d4a45bba41d2 97 LPC_UART_TypeDef *_uart;
okini3939 15:4ea4a31c7609 98 #elif defined(TARGET_LPC11UXX)
okini3939 8:d4a45bba41d2 99 LPC_USART_Type *_uart;
stanly88 10:b748aab8404c 100 #elif defined(TARGET_LPC11XX)
stanly88 10:b748aab8404c 101 LPC_UART_TypeDef *_uart;
okini3939 13:9841af9ac344 102 #else
okini3939 13:9841af9ac344 103 #error "this CPU not supported."
okini3939 5:72039cd4c874 104 #endif
okini3939 0:cbff6bf41542 105
okini3939 0:cbff6bf41542 106 };
okini3939 0:cbff6bf41542 107
okini3939 0:cbff6bf41542 108 #endif