allocate_buffer P1(int, size)
{
buffer_t *buf;
#ifndef DISALLOW_BUFFER_TYPE
if ((size < 0) || (size > max_buffer_size)) {
error("Illegal buffer size.\n");
}
if (size == 0) {
return null_buffer();
}
/* using calloc() so that memory will be zero'd out when allocated */
buf = (buffer_t *) DCALLOC(sizeof(buffer_t) + size - 1, 1,
TAG_BUFFER, "allocate_buffer");
buf->size = size;
buf->ref = 1;
return buf;
#else
return NULL;
#endif
}
/* Main Function */
int main(void){
enum states{
setup,
drawing,
readusart,
} currentstate = setup;
unsigned char STRING1[]="YAY THIS";
unsigned char STRING2[]="WORKS!!!";
unsigned char STR1CMP[9];
unsigned char STR2CMP[9];
unsigned char x, i, j;
unsigned char send[50];
while(1){
switch(currentstate){
case setup:
initialize();
clearArray();
PORTB = 0b10000000;
PORTC |= 0b10000000;
ht1632_initialize();
PORTC |= 0b01000000;
InitializeUART();
PORTC |= 0b00100000;
sprintf(send, "Initialized...\n");
PORTC |= 0b00010000;
SendStringUART(send);
_delay_ms(200);
PORTC = 0;
strcpy(STRING1, "YAY THIS");
strcpy(STRING2, "WORKS!!!");
currentstate = drawing;
break;
case drawing:
for(x=1;x<sizeof(STRING1);x++) {
null_buffer();
for(i=0;i<8;i++){
for(j=0;j<8;j++){
set_buffer(STRING1[x-1]);
if (~buffer[i][j] & (1<<0)) {
ht1632_plot(j+(8*(x-1))-1,i,GREEN);
PORTC = ~PORTC;
} else {
ht1632_plot(j+(8*(x-1))-1,i,BLACK);
PORTC = ~PORTC;
}
}
}
}
for(x=1;x<sizeof(STRING2);x++) {
null_buffer();
for(i=0;i<8;i++){
for(j=0;j<8;j++){
set_buffer(STRING2[x-1]);
if (~buffer[i][j] & (1<<0)) {
ht1632_plot(j+(8*(x-1))-1,i+8,GREEN);
PORTC = ~PORTC;
} else {
ht1632_plot(j+(8*(x-1))-1,i+8,BLACK);
PORTC = ~PORTC;
}
}
}
}
PORTC = 0;
currentstate = readusart;
break;
case readusart:
strcpy(STR1CMP, STRING1);
strcpy(STR2CMP, STRING2);
NewScreen(STRING1, STRING2);
if((strcmp(STRING1, "RESETRES") == 0)){
currentstate = setup;
}else if((strcmp(STRING1, STR1CMP) != 0) | (strcmp(STRING2, STR2CMP) != 0)){
currentstate = drawing;
}
break;
}
}
}
