This is a fork for okini3939's great DMX library with added support for the EA LPC4088 QuickStart mbed-enabled board. I have added support and tested the 3 UARTs which are accessible on the DIP pins. This forked of okini3939's library was created in the hopes a pull request could be accepted and re-integrated into the library. Important Note: To use the special UART on "pins 41" (rx) and "pin 42" (tx) you must access them by their port names, which are P0_3 (rx) and P0_2 (tx), because the symbols p41 and p42 do not exist in the mbed world (yet).
Fork of DMX by
DMX.h
- Committer:
- okini3939
- Date:
- 2013-09-23
- Revision:
- 12:1f176eee2d28
- Parent:
- 10:b748aab8404c
- Child:
- 13:197c0fea0c62
File content as of revision 12:1f176eee2d28:
/* * DMX512 send/recv library * Copyright (c) 2013 Hiroshi Suga * Released under the MIT License: http://mbed.org/license/mit */ /** @file * @brief DMX512 send/recv */ #ifndef DMX_H #define DMX_H #include "mbed.h" #define DMX_UART_DIRECT #define DMX_SIZE 512 #define DMX_TIME_BREAK 100 // 100us (88us-1s) #define DMX_TIME_MAB 10 // 10us (8us-1s) #define DMX_TIME_BETWEEN 10 // 10us (0-1s) #define DMX_START_CODE 0 enum DMX_MODE { DMX_MODE_BEGIN, DMX_MODE_START, DMX_MODE_BREAK, DMX_MODE_MAB, DMX_MODE_DATA, DMX_MODE_ERROR, DMX_MODE_STOP, }; /** DMX512 class (sender/client) */ class DMX { public: /** init DMX class * @param p_tx TX serial port (p9, p13, p28) * @param p_rx RX serial port (p10, p14, p27) */ DMX (PinName p_tx, PinName p_rx); /** Send the data * @param addr DMX data address (0-511) * @param data DMX data (0-255) */ void put (int addr, int data); /** Send the data * @param buf DMX data buffer * @param addr DMX data address * @param len data length */ void put (unsigned char *buf, int addr = 0, int len = DMX_SIZE); /** Send the data * @param addr DMX data address (0-511) * @return DMX data (0-255) */ int get (int addr); /** Send the data * @param buf DMX data buffer * @param addr DMX data address * @param len data length */ void get (unsigned char *buf, int addr = 0, int len = DMX_SIZE); /** Start DMX send operation */ void start (); /** Stop DMX send operation */ void stop (); /** Clear DMX data */ void clear (); volatile int is_recived, is_sent; protected: void int_timer (); void int_tx (); void int_rx (); Serial _dmx; Timeout timeout01; volatile DMX_MODE mode_tx, mode_rx; volatile int addr_tx, addr_rx; unsigned char data_tx[DMX_SIZE]; unsigned char data_rx[DMX_SIZE]; private: #if defined(TARGET_LPC1768) || defined(TARGET_LPC2368) LPC_UART_TypeDef *_uart; #elif defined(TARGET_LPC11U24) LPC_USART_Type *_uart; #elif defined(TARGET_LPC11XX) LPC_UART_TypeDef *_uart; #endif }; #endif