/*Futaba M11BT222A VFD 显示屏驱动程序Coder : FarmanVersion : -01-07该显示屏采用PT6311芯片驱动，但板子端口和PT6311之间的信号经过了其他芯片的转换，SCLK和STB信号被翻转。在程序中要相应的进行变换。Pin : 1 - VCC +5V2 - GND3 - No Connection4 - Booster 1:On 0:OFF5 - SDA6 - GND7 - SCLK8 - STB*/#include <STC89C5xRC.H>#include "Delay.h"sbit M11BT222A_SDA = P0^7; // SPI 数据线sbit M11BT222A_SCLK = P0^6; // SPI 串行时钟sbit M11BT222A_STB = P0^5; // 片选信号，0-不选 1-选中。sbit M11BT222A_BOOSTER = P0^4; // 板上电压发生器控制，1-ON 0-OFF// Futaba M11BT222A 接口信号与 M11BT222A 之间经过了器件转换，SCLK 和 STB 信号电平翻转#define M11BT222A_SDA_HIGH 1#define M11BT222A_SCLK_HIGH 0#define M11BT222A_STB_HIGH 0//--------------------------------------------------------void M11BT222A_delay(){_nop_();}//----------------------------------------------------------void M11BT222A_enable(){M11BT222A_STB = !M11BT222A_STB_HIGH;M11BT222A_delay();}void M11BT222A_disable(){M11BT222A_STB = M11BT222A_STB_HIGH;M11BT222A_delay();}void M11BT222A_write_byte(unsigned char byte_to_write){unsigned char mask = 0x01;unsigned char n;for(n=0; n<8; n++){M11BT222A_SCLK =!M11BT222A_SCLK_HIGH;M11BT222A_delay();M11BT222A_SDA = (mask & byte_to_write) ? 1 : 0; M11BT222A_delay();M11BT222A_SCLK = M11BT222A_SCLK_HIGH;M11BT222A_delay();mask += mask;}return;}void M11BT222A_write_command_byte(unsigned char command_byte){M11BT222A_enable();M11BT222A_write_byte(command_byte);M11BT222A_disable();}//----------------------------------------------------------// digits_could_display : 8 - 16// 命令前必须有一次 STB 有效，// 命令后必须有一次 STB 释放。void M11BT222A_command1(unsigned char digits_could_display){M11BT222A_write_command_byte(digits_could_display - 1);}// 命令前必须有一次 STB 有效，// 命令后必须有一次 STB 释放。void M11BT222A_command2(bit enable_inc_addr_after_write){unsigned char command = 0x40;command += enable_inc_addr_after_write ? 0x00 : 0x04;M11BT222A_write_command_byte(command); }// addr : 0x00 - 0x2F// 该命令后面要紧跟写入显示RAM的数据，且该命令与数据之间不允许有 STB 释放操作// 数据与数据之间也不允许有 STB 释放。//// 所以，在该命令前要 调用一次 M11BT222A_enable()// 所有的显示RAM传输结束后，调用一次 M11BT222A_disable().void M11BT222A_command3(unsigned char RAM_addr_to_write){M11BT222A_write_byte(0xC0 + RAM_addr_to_write);}// 命令前必须有一次 STB 有效，// 命令后必须有一次 STB 释放。void M11BT222A_command4(bit enable_display){M11BT222A_write_command_byte(enable_display ? 0x8F : 0x87);}//----------------------------------------------------------void M11BT222A_write_display_RAM(unsigned char addr, unsigned char display_data_byte){M11BT222A_enable();M11BT222A_command3(addr);M11BT222A_write_byte(display_data_byte);M11BT222A_disable();}void M11BT222A_fill_display(unsigned char pattern){unsigned char m;M11BT222A_command2(1);M11BT222A_enable();M11BT222A_command3(0);for(m=0x00; m<0x30; m++){M11BT222A_write_byte(pattern);}M11BT222A_disable();}//----------------------------------------------------------code unsigned char M11BT222A_16seg_digit[] ={0x46, 0x31, // '0'0x10, 0x84, // '1'0x45, 0xD1, // '2'0x43, 0xD1, // '3'0x03, 0xF0, // '4'0x43, 0xE1, // '5'0x47, 0xE1, // '6'0x10, 0x89, //0x02, 0x11, // '7'0x47, 0xF1, // '8'0x43, 0xF1 // '9'};void M11BT222A_show_16seg_digit(unsigned char pos, unsigned char digit){M11BT222A_write_display_RAM(pos*3+1, M11BT222A_16seg_digit[digit*2]);M11BT222A_write_display_RAM(pos*3, M11BT222A_16seg_digit[digit*2 + 1]);}code unsigned char M11BT222A_8seg_digit[] ={0x77, 0x12, 0x6B, 0x5B, 0x1E, 0x5D, 0x7D, 0x13, 0x7F, 0x5F};code unsigned char M11BT222A_8seg_pos[] ={0x00, 0x06, 0x07, 0x03, 0x04, 0x01};void M11BT222A_show_8seg_digit(unsigned char pos, unsigned char digit){M11BT222A_write_display_RAM(15 + M11BT222A_8seg_pos[pos], M11BT222A_8seg_digit[digit]);//M11BT222A_write_display_RAM(15 + pos, M11BT222A_8seg_digit[digit]);}void M11BT222A_show_disk(unsigned char pattern){M11BT222A_write_display_RAM(24, pattern);}void M11BT222A_show_network(unsigned int pattern){M11BT222A_write_display_RAM(30, pattern/256);M11BT222A_write_display_RAM(31, pattern);}void M11BT222A_show_usb(unsigned int pattern){M11BT222A_write_display_RAM(27, pattern/256);M11BT222A_write_display_RAM(28, pattern);}//----------------------------------------------------------void M11BT222A_booster_enable(){M11BT222A_BOOSTER = 1;}void M11BT222A_booster_disable(){M11BT222A_BOOSTER = 0;}//----------------------------------------------------------void M11BT222A_init(){M11BT222A_disable();M11BT222A_SCLK = 0;M11BT222A_SDA = 1;M11BT222A_booster_enable();Delay200ms();M11BT222A_command2(1);M11BT222A_fill_display(0xFF);M11BT222A_command1(11);M11BT222A_command4(1);}//----------------------------------------------------------void M11BT222A_main() {unsigned char m, n, seg;M11BT222A_init();M11BT222A_fill_display(0xFF); Delay200ms();M11BT222A_fill_display(0x00); Delay200ms();M11BT222A_fill_display(0xFF); Delay200ms();M11BT222A_fill_display(0x00); Delay200ms();M11BT222A_fill_display(0xFF); Delay200ms();M11BT222A_fill_display(0x00); Delay200ms();while(1){seg = 0x01;M11BT222A_show_usb(0x5555);continue;M11BT222A_show_network(0x5555); Delay1s();M11BT222A_show_network(0xAAAA); Delay1s();M11BT222A_show_disk(0x55); for(m=0; m<10; m++){M11BT222A_show_8seg_digit(0, 0);M11BT222A_show_8seg_digit(1, 1);M11BT222A_show_8seg_digit(2, 2);M11BT222A_show_8seg_digit(3, 3);M11BT222A_show_8seg_digit(4, 4);M11BT222A_show_8seg_digit(5, 9);Delay1s();}for(m=0; m<10; m++){M11BT222A_show_16seg_digit(0, m);M11BT222A_show_16seg_digit(1, m);M11BT222A_show_16seg_digit(2, m);M11BT222A_show_16seg_digit(3, m);M11BT222A_show_16seg_digit(4, m);Delay1s();}}}
