Bài 9: PIC led ma trận

Tài liệu

Bài 9: PIC led ma trận

Yêu cầu: hiển thị led ma trận

Thiết bị sử dụng

PIC 16F887
Led ma trận 8x8
IC 74HC595

Mạch đi dây

Chương trình điều khiển

#define DATA PIN_C1 //DS
#define LATCH PIN_C3 //ST_CP
#define CLOCK PIN_C0 //SH_CP //unsigned int32
/*unsigned int32 characterHEX[][8] = {
{0x18,0x3C,0x66,0x66,0x7E,0x66,0x66,0x66},//A //Gi?i mã cho led ma tr?n
{0x78,0x64,0x68,0x78,0x64,0x66,0x66,0x7C},//B
{0x3C,0x62,0x60,0x60,0x60,0x62,0x62,0x3C},//C
{0x78,0x64,0x66,0x66,0x66,0x66,0x64,0x78},//D
{0x7E,0x60,0x60,0x7C,0x60,0x60,0x60,0x7E},//E
{0x7E,0x60,0x60,0x7C,0x60,0x60,0x60,0x60},//F
{0x3C,0x62,0x60,0x60,0x66,0x62,0x62,0x3C},//G
{0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x66},//H
{0x7E,0x18,0x18,0x18,0x18,0x18,0x18,0x7E},//I
{0x7E,0x18,0x18,0x18,0x18,0x18,0x1A,0x0C},//J
{0x62,0x64,0x68,0x70,0x70,0x68,0x64,0x62},//K
{0x60,0x60,0x60,0x60,0x60,0x60,0x60,0x7E},//L
{0xC3,0xE7,0xDB,0xDB,0xC3,0xC3,0xC3,0xC3},//M
{0x62,0x62,0x52,0x52,0x4A,0x4A,0x46,0x46},//N
{0x3C,0x66,0x66,0x66,0x66,0x66,0x66,0x3C},//O
{0x7C,0x62,0x62,0x7C,0x60,0x60,0x60,0x60},//P
{0x38,0x64,0x64,0x64,0x64,0x6C,0x64,0x3A},//Q
{0x7C,0x62,0x62,0x7C,0x70,0x68,0x64,0x62},//R
{0x1C,0x22,0x30,0x18,0x0C,0x46,0x46,0x3C},//S
{0x7E,0x18,0x18,0x18,0x18,0x18,0x18,0x18},//T
{0x66,0x66,0x66,0x66,0x66,0x66,0x66,0x3C},//U
{0x66,0x66,0x66,0x66,0x66,0x66,0x3C,0x18},//V
{0x81,0x81,0x81,0x81,0x81,0x99,0x99,0x66},//W
{0x42,0x42,0x24,0x18,0x18,0x24,0x42,0x42},//X
{0xC3,0x66,0x3C,0x18,0x18,0x18,0x18,0x18},//Y
{0x7E,0x02,0x04,0x08,0x10,0x20,0x40,0x7E}//Z
};*/
int character1HEX[11][8] = {
{0x18,0x38,0x58,0x18,0x18,0x18,0x18,0x7E},//1
{0x3C,0x66,0x66,0x0C,0x18,0x30,0x7E,0x7E},//2
{0x7E,0x0C,0x18,0x3C,0x06,0x06,0x46,0x3C},//3
{0x0C,0x18,0x30,0x6C,0x6C,0x7E,0x0C,0x0C},//4
{0x7E,0x60,0x60,0x7C,0x06,0x06,0x46,0x3C},//5
{0x04,0x08,0x10,0x38,0x6C,0x66,0x66,0x3C},//6
{0x7E,0x46,0x0C,0x18,0x18,0x18,0x18,0x18},//7
{0x3C,0x66,0x66,0x3C,0x66,0x66,0x66,0x3C},//8
{0x3C,0x66,0x66,0x36,0x1C,0x08,0x10,0x20},//9
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},// kho?ng tr?ng
{0x00,0x66,0xFF,0xFF,0x7E,0x3C,0x18,0x00}// hình trái tim, kí hi?u là '&'
};
int y[] = {0b11111110, 0b11111101,0b11111011,0b11110111,0b11101111,0b11011111,0b10111111,0b01111111};
void IC_74hc595(int8 dulieu)
{
int i;
output_low(CLOCK);
for(i=0;i<=7;i++)
{
if((dulieu & 0x80)==0)
output_low(DATA);
else
output_high(DATA);
dulieu=dulieu<<1;
output_high(CLOCK);
output_low(CLOCK);
}
}
void main()
{
set_tris_c(0x00);
set_tris_d(0x00);