raspberry-pi-scrolltext-weather-report/helper.h

#ifndef HELPER_H
#define HELPER_H

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>
#include <string.h>
#include <time.h>
#include <math.h>

const char EASE_IN[] = "@\x15\r\t\x07\x06\x05\x04\x04\x03\x03\x03\x03\x02\x02\x02\x02\x02\x02\x02\x02";
const char EASE_OUT[] = "\x02\x02\x02\x02\x02\x02\x02\x02\x03\x03\x03\x03\x04\x04\x05\x06\x07\t\r\x15@";

void umlauts(char *cTemp, int cLen) {
	for(int i=0; i<cLen-1; i++) {
		if(cTemp[i] == 0xC2) {
			if(cTemp[i+1] == 0xB0) {//°
				cTemp[i] = '\'';
				if(i < cLen-2) {
					memcpy(&cTemp[i+1], &cTemp[i+2], cLen-2-i);
					cTemp[cLen-1] = '\0';
				}
				else
					cTemp[i+1] = '\0';
			}
		} else if(cTemp[i] == 0xC3) {
			switch (cTemp[i+1]) {
			case 0xA4:
				memcpy(&cTemp[i], "ae", 2);
				break;
			case 0xB6:
				memcpy(&cTemp[i], "oe", 2);
				break;
			case 0xBC:
				memcpy(&cTemp[i], "ue", 2);
				break;
			case 0x84:
				memcpy(&cTemp[i], "Ae", 2);
				break;
			case 0x96:
				memcpy(&cTemp[i], "Oe", 2);
				break;
			case 0x9C:
				memcpy(&cTemp[i], "Ue", 2);
				break;
			case 0x9F:
				memcpy(&cTemp[i], "ss", 2);
				break;
			default:
				break;
			}
		}
	}
}

void debugPrint(uint8_t *bImg, int iPitch) {
	for(int row=0; row<8; row++) {
		for(int col=0; col<iPitch*8; col++) {
			char c = ' ';
			if(bImg[col/8+row*iPitch] & (1 << (7-col%8))) c = '#';
			putchar(c);
		}
		putchar('\n');
	}
}

#endif