C51 COMPILER V9.59.0.0 MAIN 06/10/2021 10:10:12 PAGE 1 C51 COMPILER V9.59.0.0, COMPILATION OF MODULE MAIN OBJECT MODULE PLACED IN .\list\main.obj COMPILER INVOKED BY: C:\Keil_v5\C51\BIN\C51.EXE main.c OMF2 OPTIMIZE(8,SPEED) BROWSE DEBUG PRINT(.\list\main.lst) TABS(2 -) OBJECT(.\list\main.obj) line level source 1 /*---------------------------------------------------------------------*/ 2 /* --- STC MCU Limited ------------------------------------------------*/ 3 /* --- STC 1T Series MCU Demo Programme -------------------------------*/ 4 /* --- Mobile: (86)13922805190 ----------------------------------------*/ 5 /* --- Fax: 86-0513-55012956,55012947,55012969 ------------------------*/ 6 /* --- Tel: 86-0513-55012928,55012929,55012966 ------------------------*/ 7 /* --- Web: www.STCMCU.com --------------------------------------------*/ 8 /* --- Web: www.STCMCUDATA.com ---------------------------------------*/ 9 /* --- QQ: 800003751 -------------------------------------------------*/ 10 /* 如果要在程序中使用此代码,请在程序中注明使用了STC的资料及程序 */ 11 /*---------------------------------------------------------------------*/ 12 13 #include "config.h" 14 #include "STC8A_I2C.h" 15 #include "STC8A_GPIO.h" 16 #include "STC8A_NVIC.h" 17 #include "STC8A_Timer.h" 18 #include "STC8A_Switch.h" 19 20 /************* 功能说明 ************** 21 22 读写RTC, IC为PCF8563. 23 24 用STC的MCU的IO方式驱动8位数码管。 25 26 使用Timer0的16位自动重装来产生1ms节拍,程序运行于这个节拍下, 用户修改MCU主时钟频率时,自动定时于1ms. 27 28 8位数码管显示时间(小时-分钟-秒). 29 30 行列扫描按键键码为17~32. 31 32 按键只支持单键按下, 不支持多键同时按下, 那样将会有不可预知的结果. 33 34 键按下超过1秒后,将以10键/秒的速度提供重键输出. 用户只需要检测KeyCode是否非0来判断键是否按下. 35 36 调整时间键: 37 键码17: 小时+. 38 键码18: 小时-. 39 键码19: 分钟+. 40 键码20: 分钟-. 41 42 下载时, 选择时钟 24MHz (可以在配置文件"config.h"中修改). 43 44 ******************************************/ 45 46 /************* 本地常量声明 **************/ 47 #define DIS_DOT 0x20 48 #define DIS_BLACK 0x10 49 #define DIS_ 0x11 50 51 u8 code t_display[]={ //标准字库 52 // 0 1 2 3 4 5 6 7 8 9 A B C D E F 53 0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71, 54 //black - H J K L N o P U t G Q r M y C51 COMPILER V9.59.0.0 MAIN 06/10/2021 10:10:12 PAGE 2 55 0x00,0x40,0x76,0x1E,0x70,0x38,0x37,0x5C,0x73,0x3E,0x78,0x3d,0x67,0x50,0x37,0x6e, 56 0xBF,0x86,0xDB,0xCF,0xE6,0xED,0xFD,0x87,0xFF,0xEF,0x46}; //0. 1. 2. 3. 4. 5. 6. 7. 8. 9. -1 57 58 u8 code T_COM[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80}; //位码 59 60 /************* 本地变量声明 **************/ 61 u8 LED8[8]; //显示缓冲 62 u8 display_index; //显示位索引 63 bit B_1ms; //1ms标志 64 65 u8 IO_KeyState, IO_KeyState1, IO_KeyHoldCnt; //行列键盘变量 66 u8 KeyHoldCnt; //键按下计时 67 u8 KeyCode; //给用户使用的键码 68 u8 cnt50ms; 69 70 u8 hour,minute,second; //RTC变量 71 u16 msecond; 72 73 /************* 本地函数声明 **************/ 74 75 void IO_KeyScan(void); //50ms call 76 void DisplayRTC(void); 77 void ReadRTC(void); 78 void WriteRTC(void); 79 void DisplayScan(void); 80 81 /************* 外部函数和变量声明 *****************/ 82 83 84 85 /******************** IO口配置 ********************/ 86 void GPIO_config(void) 87 { 88 1 P0_MODE_IO_PU(GPIO_Pin_All); //P0 设置为准双向口 89 1 P1_MODE_IO_PU(GPIO_Pin_4 | GPIO_Pin_5); //P1.4,P1.5 设置为准双向口 90 1 P6_MODE_IO_PU(GPIO_Pin_All); //P6 设置为准双向口 91 1 P7_MODE_IO_PU(GPIO_Pin_All); //P7 设置为准双向口 92 1 } 93 94 /************************ 定时器配置 ****************************/ 95 void Timer_config(void) 96 { 97 1 TIM_InitTypeDef TIM_InitStructure; //结构定义 98 1 TIM_InitStructure.TIM_Mode = TIM_16BitAutoReload; //指定工作模式, TIM_16BitAutoReload,TIM_16Bit,TI -M_8BitAutoReload,TIM_16BitAutoReloadNoMask 99 1 TIM_InitStructure.TIM_ClkSource = TIM_CLOCK_1T; //指定时钟源, TIM_CLOCK_1T,TIM_CLOCK_12T,TIM_CLOCK_E -xt 100 1 TIM_InitStructure.TIM_ClkOut = DISABLE; //是否输出高速脉冲, ENABLE或DISABLE 101 1 TIM_InitStructure.TIM_Value = 65536UL - (MAIN_Fosc / 1000UL); //中断频率, 1000次/秒 102 1 TIM_InitStructure.TIM_Run = ENABLE; //是否初始化后启动定时器, ENABLE或DISABLE 103 1 Timer_Inilize(Timer0,&TIM_InitStructure); //初始化Timer0 Timer0,Timer1,Timer2,Timer3,Timer4 104 1 NVIC_Timer0_Init(ENABLE,Priority_0); //中断使能, ENABLE/DISABLE; 优先级(低到高) Priority_0,Priority_1,Pr -iority_2,Priority_3 105 1 } 106 107 /**************** I2C初始化函数 *****************/ 108 void I2C_config(void) 109 { 110 1 I2C_InitTypeDef I2C_InitStructure; 111 1 I2C_InitStructure.I2C_Mode = I2C_Mode_Master; //主从选择 I2C_Mode_Master, I2C_Mode_Slave 112 1 I2C_InitStructure.I2C_Enable = ENABLE; //I2C功能使能, ENABLE, DISABLE 113 1 I2C_InitStructure.I2C_MS_WDTA = DISABLE; //主机使能自动发送, ENABLE, DISABLE C51 COMPILER V9.59.0.0 MAIN 06/10/2021 10:10:12 PAGE 3 114 1 I2C_InitStructure.I2C_Speed = 16; //总线速度=Fosc/2/(Speed*2+4), 0~63 115 1 I2C_Init(&I2C_InitStructure); 116 1 NVIC_I2C_Init(I2C_Mode_Master,DISABLE,Priority_0); //主从模式, I2C_Mode_Master, I2C_Mode_Slave; 中断使能 -, ENABLE/DISABLE; 优先级(低到高) Priority_0,Priority_1,Priority_2,Priority_3 117 1 118 1 I2C_SW(I2C_P14_P15); //I2C_P14_P15,I2C_P24_P25,I2C_P33_P32 119 1 } 120 121 /******************** task A **************************/ 122 void main(void) 123 { 124 1 u8 i; 125 1 126 1 GPIO_config(); 127 1 Timer_config(); 128 1 I2C_config(); 129 1 EA = 1; 130 1 131 1 display_index = 0; 132 1 133 1 for(i=0; i<8; i++) LED8[i] = 0x10; //上电消隐 134 1 135 1 ReadRTC(); 136 1 F0 = 0; 137 1 if(second >= 60) F0 = 1; //错误 138 1 if(minute >= 60) F0 = 1; //错误 139 1 if(hour >= 24) F0 = 1; //错误 140 1 if(F0) //有错误, 默认12:00:00 141 1 { 142 2 second = 0; 143 2 minute = 0; 144 2 hour = 12; 145 2 WriteRTC(); 146 2 } 147 1 148 1 DisplayRTC(); 149 1 LED8[2] = DIS_; 150 1 LED8[5] = DIS_; 151 1 152 1 KeyHoldCnt = 0; //键按下计时 153 1 KeyCode = 0; //给用户使用的键码 154 1 155 1 IO_KeyState = 0; 156 1 IO_KeyState1 = 0; 157 1 IO_KeyHoldCnt = 0; 158 1 cnt50ms = 0; 159 1 160 1 while (1) 161 1 { 162 2 if(B_1ms) 163 2 { 164 3 B_1ms = 0; 165 3 DisplayScan(); 166 3 if(++msecond >= 1000) //1秒到 167 3 { 168 4 msecond = 0; 169 4 ReadRTC(); 170 4 DisplayRTC(); 171 4 } 172 3 173 3 if(++cnt50ms >= 50) //50ms扫描一次行列键盘 174 3 { C51 COMPILER V9.59.0.0 MAIN 06/10/2021 10:10:12 PAGE 4 175 4 cnt50ms = 0; 176 4 IO_KeyScan(); 177 4 } 178 3 179 3 if(KeyCode != 0) //有键按下 180 3 { 181 4 if(KeyCode == 17) //hour +1 182 4 { 183 5 if(++hour >= 24) hour = 0; 184 5 WriteRTC(); 185 5 DisplayRTC(); 186 5 } 187 4 if(KeyCode == 18) //hour -1 188 4 { 189 5 if(--hour >= 24) hour = 23; 190 5 WriteRTC(); 191 5 DisplayRTC(); 192 5 } 193 4 if(KeyCode == 19) //minute +1 194 4 { 195 5 second = 0; 196 5 if(++minute >= 60) minute = 0; 197 5 WriteRTC(); 198 5 DisplayRTC(); 199 5 } 200 4 if(KeyCode == 20) //minute -1 201 4 { 202 5 second = 0; 203 5 if(--minute >= 60) minute = 59; 204 5 WriteRTC(); 205 5 DisplayRTC(); 206 5 } 207 4 208 4 KeyCode = 0; 209 4 } 210 3 } 211 2 } 212 1 } 213 214 /********************** 显示时钟函数 ************************/ 215 void DisplayRTC(void) 216 { 217 1 if(hour >= 10) LED8[0] = hour / 10; 218 1 else LED8[0] = DIS_BLACK; 219 1 LED8[1] = hour % 10; 220 1 LED8[2] = DIS_; 221 1 LED8[3] = minute / 10; 222 1 LED8[4] = minute % 10; 223 1 LED8[6] = second / 10; 224 1 LED8[7] = second % 10; 225 1 } 226 227 /********************** 读RTC函数 ************************/ 228 void ReadRTC(void) 229 { 230 1 u8 tmp[3]; 231 1 232 1 I2C_ReadNbyte(2, tmp, 3); 233 1 second = ((tmp[0] >> 4) & 0x07) * 10 + (tmp[0] & 0x0f); 234 1 minute = ((tmp[1] >> 4) & 0x07) * 10 + (tmp[1] & 0x0f); 235 1 hour = ((tmp[2] >> 4) & 0x03) * 10 + (tmp[2] & 0x0f); 236 1 } C51 COMPILER V9.59.0.0 MAIN 06/10/2021 10:10:12 PAGE 5 237 238 /********************** 写RTC函数 ************************/ 239 void WriteRTC(void) 240 { 241 1 u8 tmp[3]; 242 1 243 1 tmp[0] = ((second / 10) << 4) + (second % 10); 244 1 tmp[1] = ((minute / 10) << 4) + (minute % 10); 245 1 tmp[2] = ((hour / 10) << 4) + (hour % 10); 246 1 I2C_WriteNbyte(2, tmp, 3); 247 1 } 248 249 250 /***************************************************** 251 行列键扫描程序 252 使用XY查找4x4键的方法，只能单键，速度快 253 254 Y P04 P05 P06 P07 255 | | | | 256 X | | | | 257 P00 ---- K00 ---- K01 ---- K02 ---- K03 ---- 258 | | | | 259 P01 ---- K04 ---- K05 ---- K06 ---- K07 ---- 260 | | | | 261 P02 ---- K08 ---- K09 ---- K10 ---- K11 ---- 262 | | | | 263 P03 ---- K12 ---- K13 ---- K14 ---- K15 ---- 264 | | | | 265 ******************************************************/ 266 267 268 u8 code T_KeyTable[16] = {0,1,2,0,3,0,0,0,4,0,0,0,0,0,0,0}; 269 270 void IO_KeyDelay(void) 271 { 272 1 u8 i; 273 1 i = 60; 274 1 while(--i) ; 275 1 } 276 277 void IO_KeyScan(void) //50ms call 278 { 279 1 u8 j; 280 1 281 1 j = IO_KeyState1; //保存上一次状态 282 1 283 1 P0 = 0xf0; //X低，读Y 284 1 IO_KeyDelay(); 285 1 IO_KeyState1 = P0 & 0xf0; 286 1 287 1 P0 = 0x0f; //Y低，读X 288 1 IO_KeyDelay(); 289 1 IO_KeyState1 |= (P0 & 0x0f); 290 1 IO_KeyState1 ^= 0xff; //取反 291 1 292 1 if(j == IO_KeyState1) //连续两次读相等 293 1 { 294 2 j = IO_KeyState; 295 2 IO_KeyState = IO_KeyState1; 296 2 if(IO_KeyState != 0) //有键按下 297 2 { 298 3 F0 = 0; C51 COMPILER V9.59.0.0 MAIN 06/10/2021 10:10:12 PAGE 6 299 3 if(j == 0) F0 = 1; //第一次按下 300 3 else if(j == IO_KeyState) 301 3 { 302 4 if(++IO_KeyHoldCnt >= 20) //1秒后重键 303 4 { 304 5 IO_KeyHoldCnt = 18; 305 5 F0 = 1; 306 5 } 307 4 } 308 3 if(F0) 309 3 { 310 4 j = T_KeyTable[IO_KeyState >> 4]; 311 4 if((j != 0) && (T_KeyTable[IO_KeyState& 0x0f] != 0)) 312 4 KeyCode = (j - 1) * 4 + T_KeyTable[IO_KeyState & 0x0f] + 16; //计算键码，17~32 313 4 } 314 3 } 315 2 else IO_KeyHoldCnt = 0; 316 2 } 317 1 P0 = 0xff; 318 1 } 319 320 321 /********************** 显示扫描函数 ************************/ 322 void DisplayScan(void) 323 { 324 1 P7 = ~T_COM[7-display_index]; 325 1 P6 = ~t_display[LED8[display_index]]; 326 1 if(++display_index >= 8) display_index = 0; //8位结束回0 327 1 } 328 329 330 MODULE INFORMATION: STATIC OVERLAYABLE CODE SIZE = 776 ---- CONSTANT SIZE = 67 ---- XDATA SIZE = ---- ---- PDATA SIZE = ---- ---- DATA SIZE = 20 18 IDATA SIZE = ---- ---- BIT SIZE = 1 ---- EDATA SIZE = ---- ---- HDATA SIZE = ---- ---- XDATA CONST SIZE = ---- ---- FAR CONST SIZE = ---- ---- END OF MODULE INFORMATION. C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)