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  1. #define     F_CPU 8000000
  2.  
  3.  
  4. #include <avr/interrupt.h>
  5. #include <avr/pgmspace.h>
  6. #include <util/delay.h>
  7. #include <avr/io.h>
  8. #include <stdlib.h>
  9. #include <string.h>
  10. #include "logo.h"
  11.  
  12. #include "i2c.h"
  13. #include "pcd8544.h"
  14.  
  15. #define LM75_ADDRIN 0b1001000
  16. #define LM75_ADDROUT 0b1001111
  17. #define LM75_REG_TEMP		0x00
  18.  
  19.  
  20.  
  21. unsigned char i,j,x,c,t;
  22. int32_t voltread,v;
  23. unsigned int temp;
  24. char temp_H,temp_L,dst[2]; //I2C stuff buffer.
  25.  
  26. //////////////////////////////////////////////////////////////////////////////////////////
  27.  
  28.  
  29.  
  30. int i2c_write(char i2c_addr, char reg_addr, unsigned char *dat, char len) //Write data to I2C
  31. {
  32. 	unsigned char tmp[len+1];
  33. 	tmp[0] = reg_addr & 0x1F;
  34. 	memcpy(&tmp[1], dat, len);
  35. 	return i2c_transaction(i2c_addr, len + 1, tmp, 0, NULL);
  36. }
  37.  
  38. int i2c_read(char i2c_addr, char reg_addr, unsigned char *dst, char len) //Read data from I2C
  39. {
  40. 	unsigned char tmp;
  41. 	tmp = reg_addr & 0x1F;
  42. 	return i2c_transaction(i2c_addr, 1, &tmp, len, dst);
  43. }
  44.  
  45.  
  46.  
  47.  
  48. void error(void)
  49. {
  50. 	LcdStr(1,"ERROR");
  51. 	_delay_ms(4);
  52. 	LcdClear();
  53.  
  54. }
  55.  
  56.  
  57.  
  58. void clearscreen(void)
  59. {
  60. 	LcdClear();
  61. }
  62.  
  63.  
  64.  
  65. void LcdNumber(unsigned int font_size, char c) {
  66. 	char str[100];
  67. 	int a;
  68. 	itoa(c, (char *)str, 10);
  69. 	for(a=0; a<strlen(str); a++)
  70. 	{
  71. 		LcdChr(1, str[a] );
  72. 	}
  73. }
  74.  
  75.  
  76.  
  77. void initHW(void)
  78. {
  79. 	LcdInit();
  80. 	i2c_init();
  81. 	// ADC config
  82. 	//REFS1 REFS0 ADLAR – MUX3 MUX2 MUX1 MUX0
  83. 	ADMUX = 0b01000000; //AVCC with external capacitor at AREF pin, ADC0= iejimas
  84. 	//ADEN ADSC ADFR ADIF ADIE ADPS2 ADPS1 ADPS0
  85. 	ADCSRA = 0b10000111; //ADC Enable, Free Running Select,Prescaler 128
  86. 	DDRD=225;
  87.  
  88.  
  89. 	MCUCR = 8; //ExtInterrupt0 triggered with external falling edge on INT0
  90. 	GICR = 128; //Enable ExtInterrupt0 "interruption"
  91.  
  92. }
  93.  
  94.  
  95. int adcread(void)                       // ADC nuskaitymo funkcija
  96. {
  97. 	ADCSRA |= (1 << ADSC);                 // Daroma pirmas nuskaitymas bet neisvedamas
  98. 	while (ADCSRA & (1 << ADSC));          // Laukiama kol nuskaitys
  99. 	ADCSRA |= (1 << ADSC);                 // Daromas nuskaitymas
  100. 	while (ADCSRA & (1 << ADSC));          // Laukiama kol nuskaitys
  101. 	return ADC;     			            // Grazinama ADC reiksme (10 bit) nuo 0 iki 1024
  102. }
  103.  
  104.  
  105.  
  106. void showlogo(void)
  107. {
  108. 	LcdClear();
  109. 	LcdImage(waitImage);
  110. 	LcdUpdate();
  111. }
  112.  
  113. void color(unsigned char color)
  114. {
  115. 	switch(color)
  116. 	{
  117. 		case 0:PORTD=192; break; //Raudona
  118. 		case 1:PORTD=128; break; //Geltona
  119. 		case 2:PORTD=160; break; //Zalia
  120. 		case 3:PORTD=32;  break; //Zydra
  121. 		case 4:PORTD=96;  break; //Melyna
  122. 		case 5:PORTD=64;  break; //Violetine
  123. 		case 6:PORTD=0;   break; //Balta
  124. 		case 7:PORTD=224; break; //OFF
  125. 	}
  126. }
  127.  
  128. void drawframe(void)
  129. {
  130. 	for(i=0;i<9;i++)
  131. 	{
  132. 		for(j=0;j<83;j++)
  133. 		{
  134. 			LcdPixel(j,i,2);
  135. 		}
  136. 	}
  137.  
  138. 	for(i=24;i<33;i++)
  139. 	{
  140. 		for(j=0;j<83;j++)
  141. 		{
  142. 			LcdPixel(j,i,2);
  143. 			LcdPixel(j,47,2);
  144. 		}
  145. 	}
  146.  
  147. 	for(i=0;i<48;i++)
  148. 	{
  149. 		LcdPixel(0,i,1);
  150. 		LcdPixel(83,i,1);
  151. 	}
  152. }
  153.  
  154.  
  155. int main(void)
  156. {
  157. 	initHW();
  158. 	color(2);
  159. 	showlogo();
  160. 	_delay_ms(200);
  161. 	clearscreen();
  162.  
  163. 	sei();
  164.  
  165.  
  166. 	while(1)
  167. 	{
  168. 		dst[0]=0;
  169. 		dst[1]=0;
  170. 		x = i2c_read(LM75_ADDRIN, LM75_REG_TEMP, &dst[0], 2);
  171. 		if (x==0)
  172. 		{
  173. 			temp_H = dst[0];
  174. 			temp_L = dst[1];
  175. 			temp = (temp_H<<8)|temp_L;
  176. 			temp = temp>>7;
  177. 			LcdGotoXYFont(1,1);
  178. 			LcdFStr(1, PSTR(" TEMPERATURE  "));
  179. 			LcdGotoXYFont(1,2);
  180. 			LcdFStr(1, PSTR("  IN:"));
  181. 			if(temp&0x100)               //tikrinam ar neigiama temp
  182. 			{
  183. 				temp=(512-temp)>>1;
  184. 				LcdFStr(1, PSTR("-"));
  185. 				LcdNumber(1,temp);
  186. 				if(temp_L&0x80)          //tikrinam kas po kablelio
  187. 				{
  188. 					LcdFStr(1, PSTR("."));
  189. 					LcdNumber(1,5);
  190. 					LcdChr(1, 0x7B);
  191. 					LcdFStr(1, PSTR("C"));
  192. 				}
  193. 				else
  194. 				{
  195. 					LcdFStr(1, PSTR("."));
  196. 					LcdNumber(1,0);
  197. 					LcdChr(1, 0x7B);
  198. 					LcdFStr(1, PSTR("C"));
  199. 				}
  200. 			}
  201. 			else
  202. 			{
  203. 				LcdNumber(1,temp_H);
  204. 				if(temp_L & 0x80)
  205. 				{
  206. 					LcdFStr(1, PSTR("."));
  207. 					LcdNumber(1,5);
  208. 					LcdChr(1, 0x7B);
  209. 					LcdFStr(1, PSTR("C"));
  210. 				}
  211. 				else
  212. 				{
  213. 					LcdFStr(1, PSTR("."));
  214. 					LcdNumber(1,0);
  215. 					LcdChr(1, 0x7B);
  216. 					LcdFStr(1, PSTR("C"));
  217. 				}
  218. 			}
  219. 		}
  220. 		else
  221. 		{
  222. 			LcdFStr(FONT_1X, PSTR("ERROR"));
  223. 		}
  224. 		for (x=0;x<10;x++)
  225. 		{
  226. 			_delay_ms(20);
  227. 		}
  228.  
  229.  
  230. 		x = i2c_read(LM75_ADDROUT, LM75_REG_TEMP, &dst[0], 2);
  231. 		if (x==0)
  232. 		{
  233. 			LcdGotoXYFont(1,3);
  234. 			LcdFStr(FONT_1X, PSTR(" OUT:"));
  235. 			temp_H = dst[0];
  236. 			temp_L = dst[1];
  237. 			temp = (temp_H<<8)|temp_L;
  238. 			temp = temp>>7;
  239. 			if(temp&0x100)
  240. 			{
  241. 				temp=(512-temp)>>1;
  242. 				LcdFStr(1, PSTR("-"));
  243. 				LcdNumber(1,temp);
  244. 				if(temp_L&0x80)
  245. 				{
  246. 					LcdFStr(1, PSTR("."));
  247. 					LcdNumber(1,5);
  248. 					LcdChr(1, 0x7B);
  249. 					LcdFStr(1, PSTR("C"));
  250. 				}
  251. 				else
  252. 				{
  253. 					LcdFStr(1, PSTR("."));
  254. 					LcdNumber(1,0);
  255. 					LcdChr(1, 0x7B);
  256. 					LcdFStr(1, PSTR("C"));
  257. 				}
  258. 			}
  259. 			else
  260. 			{
  261. 				LcdNumber(1,temp_H);
  262. 				if(temp_L & 0x80)
  263. 				{
  264. 					LcdFStr(1, PSTR("."));
  265. 					LcdNumber(1,5);
  266. 					LcdChr(1, 0x7B);
  267. 					LcdFStr(1, PSTR("C"));
  268. 				}
  269. 				else
  270. 				{
  271. 					LcdFStr(1, PSTR("."));
  272. 					LcdNumber(1,0);
  273. 					LcdChr(1, 0x7B);
  274. 					LcdFStr(1, PSTR("C"));
  275. 				}
  276. 			}
  277. 		}
  278. 		else
  279. 		{
  280. 			LcdFStr(FONT_1X, PSTR("i2c_error"));
  281. 		}
  282. 		for (x=0;x<10;x++)
  283. 		{
  284. 			_delay_ms(20);
  285. 		}
  286. 		LcdGotoXYFont(1,4);
  287. 		LcdFStr(FONT_1X, PSTR("   BATTERY    "));
  288.  
  289. 		voltread = adcread();
  290. 		voltread = (voltread*2000)/1023;
  291.  
  292.  
  293. 		if(voltread<1000)
  294. 		{
  295. 			LcdGotoXYFont(2,5);
  296. 			LcdNumber(1,voltread/100);
  297. 			LcdFStr(FONT_1X, PSTR("."));
  298. 			LcdNumber(1,voltread/10%10);
  299. 			LcdNumber(1,voltread%10);
  300. 			LcdFStr(FONT_1X, PSTR("V"));
  301. 		}
  302. 		else
  303. 		{
  304. 			LcdGotoXYFont(2,5);
  305. 			LcdNumber(1,voltread/1000);
  306. 			LcdNumber(1,voltread/100%10);
  307. 			LcdFStr(FONT_1X, PSTR("."));
  308. 			LcdNumber(1,voltread/10%10);
  309. 			LcdNumber(1,voltread%10);
  310. 			LcdFStr(FONT_1X, PSTR("V"));
  311. 		}
  312. 		//LcdGotoXYFont(2,5);
  313. 		//LcdNumber(1,voltread/100);
  314. 		//LcdFStr(FONT_1X, PSTR("."));
  315. 		//LcdNumber(1,voltread/10%10);
  316. 		//LcdNumber(1,voltread%10);
  317. 		//LcdFStr(FONT_1X, PSTR("V"));
  318.  
  319. 		drawframe();
  320. 		LcdUpdate();
  321. 		_delay_ms(50);
  322. 		clearscreen();
  323. 	}
  324. 	return 0;
  325. }
  326.  
  327.  
  328. ISR(INT1_vect)
  329. {
  330. 	cli();
  331. 	_delay_ms(50);
  332. while(!(PIND&PD5)){}
  333. color(c);
  334. c++;
  335. c %= 8;
  336. sei();
  337. }
  338.  
  339.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp:4:27: fatal error: avr/interrupt.h: No such file or directory
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/QY1pdc
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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