Newer
Older
DE2_115_PROG / software / qsys_tutorial_lcd4 / hex_out.c
@takayun takayun on 16 Dec 2016 1 KB initial commit
/*
 * hex_out.c
 *
 *  Created on: 2016/11/24
 *      Author: takayun
 */
#include "hex_out.h"
#include "hex_encoder.h"
#include "sys_except.h"

void print_block(char * str, unsigned int size, enum BLOCK_N block_i) {
	int i;
	if (block_i == HEX0_3) {
		if (size > 4) panic();
		for (i = 0; i < size; i++) {
			encodeLatHex(i,str[size-1-i]);
		}
	}
	else if (block_i == HEX4_5) {
		if (size > 2) panic();
		for (i = 0; i < size; i++) {
			encodeLatHex(i+4,str[size-1-i]);
		}
	}
	else if (block_i == HEX6_7) {
		if (size > 2) panic();
		for (i = 0; i < size; i++) {
			encodeLatHex(i+6,str[size-1-i]);
		}
	}
}

void clear_block(enum BLOCK_N block_i) {
	if (block_i == HEX0_3) {
		print_block("    ", 4, HEX0_3);
	}
	else if (block_i == HEX4_5) {
		print_block("  ", 2, HEX4_5);
	}
	else if (block_i == HEX6_7) {
		print_block("  ", 2, HEX6_7);
	}
}

void print_number(char num) {
	int i;
	char buf[5];
	char val;
	for (i = 0; i < 4; i++) {
		if (num < 0) {
			buf[0] = '-';
			val = -num;
		} else {
			buf[0] = ' ';
			val = num;
		}
		buf[1] = val/100%10 + '0';
		buf[2] = val/10%10 + '0';
		buf[3] = val%10 + '0';
	}
	clear_block(HEX0_3);
	print_block(buf, 4, HEX0_3);
}