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@7:16d6874076dd, 2013-01-13 (annotated)

Committer:
okini3939
Date:
Sun Jan 13 01:35:53 2013 +0000
Revision:
7:16d6874076dd
Parent:
6:9e7b4eeac6ec
Child:
8:d4a45bba41d2
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 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 4:dd0544c80096 30 DMX_MODE_STOP,
okini3939 0:cbff6bf41542 31 };
okini3939 0:cbff6bf41542 32
okini3939 0:cbff6bf41542 33 /** DMX512 class (sender/client)
okini3939 0:cbff6bf41542 34 */
okini3939 0:cbff6bf41542 35 class DMX {
okini3939 0:cbff6bf41542 36 public:
okini3939 0:cbff6bf41542 37 /** init DMX class
okini3939 0:cbff6bf41542 38 * @param p_tx TX serial port (p9, p13, p28)
okini3939 0:cbff6bf41542 39 * @param p_rx RX serial port (p10, p14, p27)
okini3939 0:cbff6bf41542 40 */
okini3939 0:cbff6bf41542 41 DMX (PinName p_tx, PinName p_rx);
okini3939 0:cbff6bf41542 42
okini3939 6:9e7b4eeac6ec 43 /** Send the data
okini3939 6:9e7b4eeac6ec 44 * @param addr DMX data address (0-511)
okini3939 0:cbff6bf41542 45 * @param data DMX data (0-255)
okini3939 0:cbff6bf41542 46 */
okini3939 6:9e7b4eeac6ec 47 void put (int addr, int data);
okini3939 6:9e7b4eeac6ec 48 /** Send the data
okini3939 6:9e7b4eeac6ec 49 * @param buf DMX data buffer
okini3939 6:9e7b4eeac6ec 50 * @param addr DMX data address
okini3939 6:9e7b4eeac6ec 51 * @param len data length
okini3939 6:9e7b4eeac6ec 52 */
okini3939 6:9e7b4eeac6ec 53 void put (unsigned char *buf, int addr = 0, int len = DMX_SIZE);
okini3939 0:cbff6bf41542 54
okini3939 6:9e7b4eeac6ec 55 /** Send the data
okini3939 7:16d6874076dd 56 * @param addr DMX data address (0-511)
okini3939 0:cbff6bf41542 57 * @return DMX data (0-255)
okini3939 0:cbff6bf41542 58 */
okini3939 6:9e7b4eeac6ec 59 int get (int addr);
okini3939 6:9e7b4eeac6ec 60 /** Send the data
okini3939 6:9e7b4eeac6ec 61 * @param buf DMX data buffer
okini3939 6:9e7b4eeac6ec 62 * @param addr DMX data address
okini3939 6:9e7b4eeac6ec 63 * @param len data length
okini3939 6:9e7b4eeac6ec 64 */
okini3939 6:9e7b4eeac6ec 65 void get (unsigned char *buf, int addr = 0, int len = DMX_SIZE);
okini3939 0:cbff6bf41542 66
okini3939 6:9e7b4eeac6ec 67 /** Start DMX send operation
okini3939 4:dd0544c80096 68 */
okini3939 4:dd0544c80096 69 void start ();
okini3939 6:9e7b4eeac6ec 70 /** Stop DMX send operation
okini3939 4:dd0544c80096 71 */
okini3939 4:dd0544c80096 72 void stop ();
okini3939 3:2eb66b4d99bd 73
okini3939 0:cbff6bf41542 74 volatile int is_recived, is_sent;
okini3939 0:cbff6bf41542 75
okini3939 0:cbff6bf41542 76 protected:
okini3939 0:cbff6bf41542 77
okini3939 0:cbff6bf41542 78 void int_timer ();
okini3939 0:cbff6bf41542 79 void int_tx ();
okini3939 0:cbff6bf41542 80 void int_rx ();
okini3939 0:cbff6bf41542 81
okini3939 5:72039cd4c874 82 Serial _dmx;
okini3939 0:cbff6bf41542 83 Timeout timeout01;
okini3939 6:9e7b4eeac6ec 84 volatile DMX_MODE mode_tx, mode_rx;
okini3939 6:9e7b4eeac6ec 85 volatile int addr_tx, addr_rx;
okini3939 6:9e7b4eeac6ec 86 unsigned char data_tx[DMX_SIZE];
okini3939 6:9e7b4eeac6ec 87 unsigned char data_rx[DMX_SIZE];
okini3939 6:9e7b4eeac6ec 88
okini3939 6:9e7b4eeac6ec 89 private:
okini3939 5:72039cd4c874 90 #if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
okini3939 0:cbff6bf41542 91 __IO uint8_t *uart_lcr;
okini3939 0:cbff6bf41542 92 __I uint8_t *uart_lsr;
okini3939 0:cbff6bf41542 93 __IO uint8_t *uart_thr;
okini3939 0:cbff6bf41542 94 __I uint8_t *uart_rbr;
okini3939 5:72039cd4c874 95 #elif defined(TARGET_LPC11U24)
okini3939 5:72039cd4c874 96 __IO uint32_t *uart_lcr;
okini3939 5:72039cd4c874 97 __I uint32_t *uart_lsr;
okini3939 5:72039cd4c874 98 __IO uint32_t *uart_thr;
okini3939 5:72039cd4c874 99 __I uint32_t *uart_rbr;
okini3939 5:72039cd4c874 100 #endif
okini3939 0:cbff6bf41542 101
okini3939 0:cbff6bf41542 102 };
okini3939 0:cbff6bf41542 103
okini3939 0:cbff6bf41542 104 #endif