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code cleanup

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Silentium 2019-04-18 21:19:30 +02:00
parent 79b13cb100
commit beac9ae2f5
1 changed files with 56 additions and 53 deletions
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85
src/main.cpp
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@ -4,53 +4,58 @@
#include "font.h"
const int width = 120;
const int lines = 7;
const int WIDTH = 120;
const int LINES = 7;
const int LINE_PINS[7] = { 2, 3, 4, 5, 6, 7, 8 };
const int line_pins[7] = { 2, 3, 4, 5, 6, 7, 8 };
uint8_t buffer[120];
String message = "9600N1 ISO8859-15 https://github.com/silentium83/zielanzeige/tree/develop";
String newMessage;
int ticks = 0;
int runde = 120;
// Shift register needs to use raw AVR
// B1 is clock
// B2 is data
void shiftout(uint8_t bit)
{
void shiftout(uint8_t bit) {
PORTB = bit << 2;
PORTB |= 0x02;
PORTB = 0;
}
uint8_t buffer[120];
String message = "ISO8859-15 9600N1 https://github.com/silentium83/zielanzeige/tree/develop";
String newMessage;
int ticks = 0;
int runde = 120;
void write_letter_at(int startcol, uint8_t letter) {
for (int8_t x = 0; x < 5; x++) {
if (startcol + x >= 0 && startcol + x < width) {
buffer[startcol + x] = pgm_read_byte_near(&font_5x7_col[letter][x]);
for (int_fast8_t x = 0; x < 5; x++) {
int col = startcol + x;
if (col >= 0 && col < WIDTH) {
buffer[col] = pgm_read_byte(&font_5x7_col[letter][x]);
}
}
}
void setup()
{
for (uint8_t i = 2; i <= 10; i++) {
pinMode(i, OUTPUT);
void letters(int round) {
for (int i = 0; i < WIDTH; i++) {
buffer[i] = 0;
}
pinMode(13, OUTPUT);
write_letter_at(0, 'H');
write_letter_at(6, 'i');
write_letter_at(12, '!');
Serial.begin(9600);
int pos = 0;
for (unsigned int c = 0; c < message.length(); c++) {
write_letter_at(round + pos, message[c]);
pos += 6;
}
}
void receive_serial() {
if (Serial.available() > 0) {
while (Serial.available() > 0) {
char receivedChar = Serial.read();
if (receivedChar == '\n') {
switch (receivedChar) {
case '\b': // backspace
if (newMessage.length() > 0) {
newMessage.remove(newMessage.length() - 1);
}
break;
case '\n': // newline
case '\r': // carriage return
if (newMessage.length() > 0) {
if (message != newMessage) {
message = newMessage;
ticks = 0;
@ -58,37 +63,35 @@ void receive_serial() {
}
newMessage = "";
}
else if (receivedChar != '\r') {
break;
default:
newMessage += receivedChar;
break;
}
}
}
void letters(int round) {
for (int i = 0; i < width; i++) {
buffer[i] = 0;
void setup() {
for (uint_fast8_t i = 2; i <= 10; i++) {
pinMode(i, OUTPUT);
}
pinMode(13, OUTPUT);
int pos = 0;
for (unsigned c = 0; c < message.length(); c++) {
write_letter_at(round + pos, message[c]);
pos += 6;
}
Serial.begin(9600);
}
void loop()
{
for (uint8_t y = 0; y < lines; y++) {
for (uint8_t x = 0; x < width; x++) {
void loop() {
for (uint_fast8_t y = 0; y < LINES; y++) {
for (uint_fast8_t x = 0; x < WIDTH; x++) {
uint8_t bit = (buffer[x] & (1 << y)) ? 1 : 0;
shiftout(bit);
}
digitalWrite(13, 1);
digitalWrite(line_pins[y], 1);
digitalWrite(LINE_PINS[y], 1);
delayMicroseconds(200);
digitalWrite(13, 0);
digitalWrite(line_pins[y], 0);
digitalWrite(LINE_PINS[y], 0);
}
ticks++;