API tools faq
paste
Advertisement
Guest User

Untitled

a guest
Jun 25th, 2019
98
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
text 8.46 KB | None | 0 0
raw download clone embed print report
  1. /*
  2. * File: Main.c
  3. * Author:
  4. *
  5. * Created on June 13, 2019, 2:22 PM
  6. */
  7.  
  8. #define _XTAL_FREQ 32000000
  9.  
  10. // PIC16F18875 Configuration Bit Settings
  11.  
  12. // 'C' source line config statements
  13.  
  14. // CONFIG1
  15. #pragma config FEXTOSC = OFF // External Oscillator mode selection bits (EC above 8MHz; PFM set to high power)
  16. #pragma config RSTOSC = HFINT32 // Power-up default value for COSC bits (EXTOSC operating per FEXTOSC bits)
  17. #pragma config CLKOUTEN = OFF // Clock Out Enable bit (CLKOUT function is disabled; i/o or oscillator function on OSC2)
  18. #pragma config CSWEN = ON // Clock Switch Enable bit (Writing to NOSC and NDIV is allowed)
  19. #pragma config FCMEN = ON // Fail-Safe Clock Monitor Enable bit (FSCM timer enabled)
  20.  
  21. // CONFIG2
  22. #pragma config MCLRE = ON // Master Clear Enable bit (MCLR pin is Master Clear function)
  23. #pragma config PWRTE = OFF // Power-up Timer Enable bit (PWRT disabled)
  24. #pragma config LPBOREN = OFF // Low-Power BOR enable bit (ULPBOR disabled)
  25. #pragma config BOREN = OFF // Brown-out reset enable bits (Brown-out Reset Enabled, SBOREN bit is ignored)
  26. #pragma config BORV = LO // Brown-out Reset Voltage Selection (Brown-out Reset Voltage (VBOR) set to 1.9V on LF, and 2.45V on F Devices)
  27. #pragma config ZCD = OFF // Zero-cross detect disable (Zero-cross detect circuit is disabled at POR.)
  28. #pragma config PPS1WAY = ON // Peripheral Pin Select one-way control (The PPSLOCK bit can be cleared and set only once in software)
  29. #pragma config STVREN = ON // Stack Overflow/Underflow Reset Enable bit (Stack Overflow or Underflow will cause a reset)
  30.  
  31. // CONFIG3
  32. #pragma config WDTCPS = WDTCPS_31// WDT Period Select bits (Divider ratio 1:65536; software control of WDTPS)
  33. #pragma config WDTE = OFF // WDT operating mode (WDT enabled regardless of sleep; SWDTEN ignored)
  34. #pragma config WDTCWS = WDTCWS_7 // WDT Window Select bits (window always open (100%); software control; keyed access not required)
  35. #pragma config WDTCCS = SC // WDT input clock selector (Software Control)
  36.  
  37. // CONFIG4
  38. #pragma config WRT = OFF // UserNVM self-write protection bits (Write protection off)
  39. #pragma config SCANE = available // Scanner Enable bit (Scanner module is available for use)
  40. #pragma config LVP = OFF // Low Voltage Programming Enable bit (Low Voltage programming enabled. MCLR/Vpp pin function is MCLR.)
  41.  
  42. // CONFIG5
  43. #pragma config CP = OFF // UserNVM Program memory code protection bit (Program Memory code protection disabled)
  44. #pragma config CPD = OFF // DataNVM code protection bit (Data EEPROM code protection disabled)
  45.  
  46. #include <xc.h>
  47.  
  48. unsigned getSPBRG(unsigned, char, char);
  49. void GPStime();
  50. char getch();
  51. void display();
  52. void displayNumber(int);
  53.  
  54. int GPSh1;
  55. int GPSh2;
  56. int GPSm1;
  57. int GPSm2;
  58. int GPSs1;
  59. int GPSs2;
  60.  
  61. int h1;
  62. int h2;
  63. int m1;
  64. int m2;
  65. int s1;
  66. int s2;
  67.  
  68. void main(void)
  69. {
  70. TRISA = 0b00000000; //Bits A0-A3 for multiplexing
  71. TRISB = 0b00000000; //Bits B0-B5 & A4 For number display (7 segments)
  72. TRISD = 0b11111111; //Inputs for clock GMT offset
  73. TRISE = 0b111; //inputs for clock settings
  74.  
  75. //A register still has A5-A7 free (3 bits)
  76. //B register is all used (except for B6/B7 but those are for debugging) (0 bits)
  77. //C register C0-C5 is free C6/C7 is used for RX/TX (6 bits)
  78. //D register is free (8 bits)
  79. //E register is free (3 bits)
  80.  
  81. PORTC = 0;
  82. TRISC = 0b10000000; // all outputs, except RX on RC7
  83. ANSELC = 0b00000000; // disable analog
  84. ANSELE = 0b000;
  85. ANSELD = 0b00000000;
  86.  
  87. PORTA = 0x00;
  88. PORTB = 0x00;
  89. //PORTC = 0x00;
  90. PORTD = 0x00;
  91. PORTE = 0b000;
  92.  
  93. RC6PPS = 0x10;
  94.  
  95. //init USART
  96. // SPEN RX9 SREN CREN ADDEN FERR OERR RX9D
  97. RCSTA = 0b00110000; // TX9D=0 -->8-bit; SPEN=1, CREN=1, addr-det disabled.
  98. // CSRC TX9 TXEN SYNC SENDB BRGH TRMT TX9D
  99. TXSTA = 0b00100100; // TX9D=0 -->8-bit; BRGH=1; TXEN=1 --> enable, SYNC=0 --> async
  100. //ABDOVF RCIDL NOP SCKP BRG16 NOP WUE ABDEN
  101. BAUDCON = 0b00001000; // SCKP=0 -> not inverted, BRG16=1, WUE=0, ABDEN=0
  102. SPEN = 1;
  103.  
  104. unsigned brg = getSPBRG(9600, 1, 1);
  105. SPBRGL = brg & 0xFF;
  106. SPBRGH = brg >> 8;
  107.  
  108. //TXREG = 'X';
  109.  
  110. //__delay_ms(500);
  111. //GPStime();
  112. //__delay_ms(500);
  113. h1 = GPSh1;
  114. h2 = GPSh2;
  115. m1 = GPSm1;
  116. m2 = GPSm2;
  117. s1 = GPSs1;
  118. s2 = GPSs2;
  119.  
  120. while(1){
  121. //while (!RCIF);
  122. //char recv = RCREG;
  123. //while (!TXIF);
  124. //TXREG = recv; Debugging code for arduino serial
  125.  
  126. LATA0 = 1;
  127. __delay_ms(1000);
  128. LATA0 = 0;
  129. __delay_ms(1000);
  130. LATA0 = 1;
  131. __delay_ms(1000);
  132.  
  133. GPStime();
  134.  
  135. LATA0 = 0;
  136. __delay_ms(1000);
  137.  
  138. }
  139. return;
  140. }
  141.  
  142. unsigned getSPBRG(unsigned baudrate, char brg16, char brgh) {
  143. unsigned mult;
  144. if (brg16 == 0 && brgh == 0) mult = 64;
  145. else if (brg16 == 1 && brgh == 1) mult = 4;
  146. else mult = 16;
  147.  
  148. // baudrate = fOsc / (mult*(spbrg + 1))
  149. // baudrate * (spbrg + 1) = fOsc / mult
  150. // spbrg + 1 = (fOsc / mult) / baudrate
  151. // spbrg = (fOsc / mult) / baudrate - 1
  152. return (_XTAL_FREQ / mult) / baudrate - 1;
  153. }
  154.  
  155. void GPStime(){
  156.  
  157. if(getch() == '$' && getch() == 'G' && getch() == 'P' && getch() == 'G' && getch() == 'G' && getch() == 'A'){
  158. char ch;
  159. LATA0 = 0;
  160. //do {
  161. // ch = getch();
  162. //} while (ch != 'E' && ch != 'W');
  163. getch(); // read a comma
  164. GPSh1 = getch() - '0';
  165. GPSh2 = getch() - '0';
  166. GPSm1 = getch() - '0';
  167. GPSm2 = getch() - '0';
  168. GPSs1 = getch() - '0';
  169. GPSs2 = getch() - '0';
  170. }
  171.  
  172. }
  173.  
  174. char getch(){
  175. while(!RCIF);
  176. return RCREG;
  177. }
  178.  
  179. void display(){
  180. //8888888888888888888888888888888888
  181. displayNumber(h1); //First Display
  182. LATA0 = 0;
  183. __delay_ms(1);
  184. LATA0 = 1;
  185. //8888888888888888888888888888888888
  186. displayNumber(h2); //Second Display
  187. LATA1 = 0;
  188. __delay_ms(1);
  189. LATA1 = 1;
  190. //8888888888888888888888888888888888
  191. displayNumber(m1);
  192. LATA2 = 0;
  193. __delay_ms(1);
  194. LATA2 = 1;
  195. //8888888888888888888888888888888888
  196. displayNumber(m2);
  197. LATA3 = 0;
  198. __delay_ms(1);
  199. LATA3 = 1;
  200. //8888888888888888888888888888888888
  201. }
  202.  
  203. void displayNumber(int display){
  204.  
  205. if(display == 1){
  206. LATB0 = 1;
  207. LATB1 = 1;
  208. LATB2 = 1;
  209. LATB3 = 0;
  210. LATB4 = 0;
  211. LATB5 = 1;
  212. LATA4 = 1;
  213. }else if(display == 2){
  214. LATB0 = 1;
  215. LATB1 = 0;
  216. LATB2 = 0;
  217. LATB3 = 1;
  218. LATB4 = 0;
  219. LATB5 = 0;
  220. LATA4 = 0;
  221. }else if(display == 3){
  222. LATB0 = 1;
  223. LATB1 = 1;
  224. LATB2 = 0;
  225. LATB3 = 0;
  226. LATB4 = 0;
  227. LATB5 = 0;
  228. LATB4 = 0;
  229. }else if(display == 4){
  230. LATB0 = 0;
  231. LATB1 = 1;
  232. LATB2 = 1;
  233. LATB3 = 0;
  234. LATB4 = 0;
  235. LATB5 = 1;
  236. LATA4 = 0;
  237. }else if(display == 5){
  238. LATB0 = 0;
  239. LATB1 = 1;
  240. LATB2 = 0;
  241. LATB3 = 0;
  242. LATB4 = 1;
  243. LATB5 = 0;
  244. LATA4 = 0;
  245. }else if(display == 6){
  246. LATB0 = 0;
  247. LATB1 = 0;
  248. LATB2 = 0;
  249. LATB3 = 0;
  250. LATB4 = 1;
  251. LATB5 = 0;
  252. LATA4 = 0;
  253. }else if(display == 7){
  254. LATB0 = 1;
  255. LATB1 = 1;
  256. LATB2 = 1;
  257. LATB3 = 0;
  258. LATB4 = 0;
  259. LATB5 = 0;
  260. LATA4 = 1;
  261. }else if(display == 8){
  262. LATB0 = 0;
  263. LATB1 = 0;
  264. LATB2 = 0;
  265. LATB3 = 0;
  266. LATB4 = 0;
  267. LATB5 = 0;
  268. LATA4 = 0;
  269. }else if(display == 9){
  270. LATB0 = 0;
  271. LATB1 = 1;
  272. LATB2 = 0;
  273. LATB3 = 0;
  274. LATB4 = 0;
  275. LATB5 = 0;
  276. LATA4 = 0;
  277. }else if(display == 0){
  278. LATB0 = 0;
  279. LATB1 = 0;
  280. LATB2 = 0;
  281. LATB3 = 0;
  282. LATB4 = 0;
  283. LATB5 = 0;
  284. LATA4 = 1;
  285. }
  286. }
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!