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Code C - [expand] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 #include "stm8s.h" // SO DO KET NOI DEN LCD 16X2 CHE DO 4 BIT #define LCD_RS PD_ODR_ODR5 #define LCD_EN PD_ODR_ODR6 #define LCD_RW 0 #define LCD_D4 PC_ODR_ODR4 #define LCD_D5 PC_ODR_ODR5 #define LCD_D6 PC_ODR_ODR6 #define LCD_D7 PC_ODR_ODR7 #define line_1 0x80 #define line_2 0xC0 #define clr_scr 0x01 #define DQ PB_ODR_ODR5 #define line_1 0x80 #define line_2 0xC0 unsigned char temp1; typedef unsigned char uchar; //********************delay************************ void delay(unsigned long int t); //********************LCD Funtion*********************** //********************tao xung******************************************* void enable(); //**********convert data-->send to Pin of microcontrol**************************** void set_data_lsb(unsigned char data); //ham gui byte data thap void set_data_msb(unsigned char data); //ham gui byte data cao //************************HAM GUI LENH****************************************** void put_cmd(unsigned char cmd); //**************************ham gui data************************************* void lcd_putchar(unsigned char data); void lcd_putsf(uchar *s); //****************HTLCD************************************************ //****************************ham khoi tao lcd************************* void lcd_init(); //************************************************ /* void main(void) { CLK_DeInit(); CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1); //f_Master = HSI/1 = 16MHz CLK_SYSCLKConfig(CLK_PRESCALER_CPUDIV16); //f_CPU = f_Master/1 = 16MHz while(CLK_GetFlagStatus(CLK_FLAG_HSIRDY)!=SET); //wait until HSI ready GPIO_DeInit(GPIOC); GPIO_Init(GPIOC, GPIO_PIN_ALL, GPIO_MODE_OUT_PP_LOW_FAST); GPIO_DeInit(GPIOD); GPIO_Init(GPIOD, GPIO_PIN_ALL, GPIO_MODE_OUT_PP_LOW_FAST); lcd_init(); put_cmd(clr_scr); delay(100); put_cmd(line_1); lcd_putsf("Tran Quoc Tai"); put_cmd(line_2); lcd_putsf(" Xin chao ban "); put_cmd(0x10); delay(1000000); while(1) { lcd_init(); put_cmd(clr_scr); delay(100); put_cmd(line_1); lcd_putsf("Tran Quoc Tai"); put_cmd(line_2); lcd_putsf(" Xin chao ban "); put_cmd(0x10); delay(1000000); } } */ void main(void){ CLK_DeInit(); CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1);// fMaster = HSI/1 = 16MHz CLK_SYSCLKConfig(CLK_PRESCALER_CPUDIV16);//fCPU = HSI/1 = 16MHz while(CLK_GetFlagStatus(CLK_FLAG_HSIRDY)!=SET);// cho den khi HSI bat dau GPIO_DeInit(GPIOC); GPIO_Init(GPIOC,GPIO_PIN_ALL,GPIO_MODE_OUT_PP_LOW_FAST); GPIO_DeInit(GPIOD); GPIO_Init(GPIOD,GPIO_PIN_ALL,GPIO_MODE_OUT_PP_LOW_FAST); lcd_init(); put_cmd(clr_scr); lcd_init();// khoi tao delay_b20(200); lcd_putsf("Do nhiet do: ");// gui chuoi put_cmd(0x01);// clear LCD lcd_gotoxy(0,1); lcd_putsf("Tran Quoc Tai"); while(1){ lcd_gotoxy(0,0); ReadTemperature(); TempShow(temp1); delay_b20(500); } } // tre ds18b20 int delay_b20(unsigned int ti){ while(ti--); } //khoi tao ds18b20 void Init_ds18b20(void){ DQ = 1; delay_b20(5); DQ = 0; delay_b20(10); DQ = 1; delay_b20(20); } unsigned char ReadOneChar(void){ unsigned char i; unsigned char dat = 0; for(i=8;i>0;i++){ DQ = 0; dat>>=1; DQ = 1; if(DQ) dat |= 0x80; delay_b20(10); } return(dat); } void WriteOneChar(unsigned char dat){ unsigned char i; for(i=8;i>0;i++){ DQ = 0; DQ = dat&0x01; delay_b20(5); DQ = 1; dat>>=1; } } void ReadTemperature(void){ unsigned char a = 0; unsigned char b = 0; //EA = 0;// cam ngat tranh qua trinh doc nhiet do bi anh huong Init_ds18b20(); WriteOneChar(0xCC);// bo qua ROM WriteOneChar(0x44); delay_b20(10); Init_ds18b20(); WriteOneChar(0xCC); WriteOneChar(0xBE);// doc nhiet do delay_b20(10); a = ReadOneChar(); b = ReadOneChar(); temp1 = ((b*256+a)>>4);// doc nhiet do luu vao bien temp //EA = 1;// doc xong thi cho phep ngat } void TempShow(unsigned char z){// doc nhiet do lcd_putsf("Nhiet do: "); lcd_putchar((z/100)+48);// hang tram lcd_putchar((z%100/10)+48);// hang chuc lcd_putchar((z%10)+48);// hang don vi lcd_putsf("oC"); } //********************delay************************ void delay(unsigned long int t) { unsigned long int i=0; for(i=0;i<t;i++); } //********************LCD Funtion*********************** //********************tao xung******************************************* void enable() { GPIO_WriteHigh(GPIOD, GPIO_PIN_6); delay(10); GPIO_WriteLow(GPIOD, GPIO_PIN_6); delay(20); } //**********convert data-->send to Pin of microcontrol**************************** void set_data_lsb(unsigned char data) //ham gui byte data thap { unsigned char temp; temp = (data<<4) & 0xF0; GPIO_Write(GPIOC,temp); } void set_data_msb(unsigned char data) //ham gui byte data cao { unsigned char temp; temp = (data) & 0xF0; GPIO_Write(GPIOC,temp); } //************************HAM GUI LENH****************************************** void put_cmd(unsigned char cmd) { set_data_msb(cmd); GPIO_WriteLow(GPIOD, GPIO_PIN_5); enable(); set_data_lsb(cmd); GPIO_WriteLow(GPIOD, GPIO_PIN_5); enable(); } //**************************ham gui data************************************* void lcd_putchar(unsigned char data) { set_data_msb(data); GPIO_WriteHigh(GPIOD, GPIO_PIN_5); enable(); set_data_lsb(data); GPIO_WriteHigh(GPIOD, GPIO_PIN_5); enable(); } void lcd_putsf(uchar *s) { while(*s) { lcd_putchar(*s); s++; }; } //****************HTLCD************************************************ //****************************ham khoi tao lcd************************* void lcd_init() { delay(100); GPIO_WriteLow(GPIOD, GPIO_PIN_5); set_data_lsb(0x03); enable(); enable(); enable(); set_data_lsb(0x02); enable(); put_cmd ( 0x28 ); //cd 4bit,2dong,5x7 put_cmd ( 0x0C); //bat hien thi,tat con tro put_cmd ( 0x06 ); //* entry mode set, increment & scroll left put_cmd ( 0x01 ); //* clear display } void lcd_gotoxy(unsigned char x, unsigned char y){// toa do unsigned char address; if(!y) address = line_1+x; else address = line_2+x;// xac dinh vi tri con tro delay_b20(100); put_cmd(address); delay_b20(200); }
It may be because you did not give the compiler a prototype of "ReadTemperature()", forcing it to use an assumed type.
There are prototypes for almost everything else, so give that a try.
Trần Tài;1432799 said:I can't do anything
void ReadTemperature(void) ;