i love cohost tags
##include <stdio.h> #include "debug.h" #include "../../mcu.h" Uint32 debug_tick = 0; extern bit usb_connected; void debug_task(void) { P2_2 = 1; if (debug_tick++ % 500 == 0) { P2_1 = !P2_1; P1_0 = !P1_0; P2_7 = P1_1; unsigned char test[] = {1, 2, 254, 255, 0}; //ardu(test); } P0_0 = usb_connected; } // LMAO oh gott ist das cursed //#define print sprintf(buf, //#define to_ardu ); send_ardu(buf) //print "FOSC = %d", 3 to_ardu; char __xdata ardu_buf[100]; //arduino code: //void setup() { // // put your setup code here, to run once: // Serial.begin(9600); // pinMode(3, INPUT_PULLUP); // P1_0 // pinMode(5, INPUT_PULLUP); // P1_1 // pinMode(7, OUTPUT); // P1_3 // digitalWrite(ACK, LOW); // delay(10); //} // //void wait_clock_high() { // while (digitalRead(CLOCK) == LOW); //} // //void wait_clock_low() { // while (digitalRead(CLOCK) == HIGH); //} // //int get_data() { // return digitalRead(DATA) == HIGH ? 1 : 0; // // idk what high is so ill just compare it //} // //void send_ack_high() { // digitalWrite(ACK, HIGH); //} // //void send_ack_high() { // digitalWrite(ACK, LOW); //} // //void loop() { // int read_byte = 0; // for (int i=0; i<8; i++) { // wait_clock_high(); // so data is valid // int data = get_data(); // read_byte << 1; // read_byte += data; // send_ack_high(); // wait_clock_low(); // send_ack_low(); // } // Serial.write(read_byte); //} #define CLK P1_3 #define DATA P1_4 #define ACK P1_5 #define HIGH 1 #define LOW 0 void short_wait() { for (int i=0; i<10; i++) { __asm__("nop"); } } int get_nth_bit(int n, int byte) { return (byte >> n) & 1; } int set_nth_bit(int n, int byte, int bit) { return (byte & ~(1 << n)) | (bit << n); } void send_ardu(char* str) { for (; *str; str++) { // loop through string till \0 for (int i=0; i<8; i++) { // highest bit first int bit = get_nth_bit(i, *str); DATA = bit; DATA = bit; DATA = bit; DATA = bit; CLK = HIGH; P2_7=1; while (ACK != HIGH); P2_7=0; CLK = LOW; P2_6=1; while (ACK != LOW); P2_6=0; } } }#< this tag already existed