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add serial port support

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Silentium 2019-01-13 00:30:34 +01:00
parent e545e50462
commit ea2d28f9c7
1 changed files with 23 additions and 6 deletions
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29
src/main.cpp
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@ -20,6 +20,10 @@ void shiftout(uint8_t bit)
} }
uint8_t buffer[120]; uint8_t buffer[120];
String message = "N\x0f""chster Halt: Kronenplatz";
String newMessage;
int ticks = 0;
int runde = 120;
void write_letter_at(int startcol, uint8_t letter) { void write_letter_at(int startcol, uint8_t letter) {
for (int8_t x = 0; x < 5; x++) { for (int8_t x = 0; x < 5; x++) {
@ -39,9 +43,24 @@ void setup()
write_letter_at(0, 'H'); write_letter_at(0, 'H');
write_letter_at(6, 'i'); write_letter_at(6, 'i');
write_letter_at(12, '!'); write_letter_at(12, '!');
Serial.begin(9600);
} }
const char *message = "N\x0f""chster Halt: Kronenplatz"; void receive_serial() {
if (Serial.available() > 0) {
char receivedChar = Serial.read();
if (receivedChar == '\n') {
message = newMessage;
newMessage = "";
ticks = 0;
runde = 120;
}
else if (receivedChar != '\r') {
newMessage += receivedChar;
}
}
}
void letters(int round) { void letters(int round) {
for (int i = 0; i < width; i++) { for (int i = 0; i < width; i++) {
@ -49,15 +68,12 @@ void letters(int round) {
} }
int pos = 0; int pos = 0;
for (unsigned c = 0; c < strlen(message); c++) { for (unsigned c = 0; c < message.length(); c++) {
write_letter_at(round + pos, message[c]); write_letter_at(round + pos, message[c]);
pos += 6; pos += 6;
} }
} }
int ticks = 0;
int runde = 120;
void loop() void loop()
{ {
for (uint8_t y = 0; y < lines; y++) { for (uint8_t y = 0; y < lines; y++) {
@ -80,8 +96,9 @@ void loop()
letters(runde); letters(runde);
if (runde == -(6 * (int)strlen(message))) { if (runde == -(6 * (int)message.length())) {
runde = 120; runde = 120;
} }
} }
receive_serial();
} }