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morse code interpretation

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This commit is contained in:
Eggert Jung
2024-06-04 20:53:37 +02:00
parent 58fe6ef3b1
commit 3607708f8d
1 changed files with 73 additions and 12 deletions
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83
Firmware/src/main.c
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@@ -29,7 +29,46 @@
while (((PINA)&0x08)) \
; \
}
static const char *alpha[] = {
".-", //A
"-...", //B
"-.-.", //C
"-..", //D
".", //E
"..-.", //F
"--.", //G
"....", //H
"..", //I
".---", //J
"-.-", //K
".-..", //L
"--", //M
"-.", //N
"---", //O
".--.", //P
"--.-", //Q
".-.", //R
"...", //S
"-", //T
"..-", //U
"...-", //V
".--", //W
"-..-", //X
"-.--", //Y
"--..", //Z
};
static const char *num[] = {
"-----", //0
".----", //1
"..---", //2
"...--", //3
"....-", //4
".....", //5
"-....", //6
"--...", //7
"---..", //8
"----.", //9
};//stackoverflow.com
/* clang-format off */
const uint8_t PROGMEM emg_logo[640] =
{
@@ -135,28 +174,50 @@ int main(void)
//LCD_Clear();
// loop forever
uint32_t counter = 0;
uint8_t button_state = 1;
uint8_t button_state_old = 1;
uint32_t counter = 0;
uint8_t button_state = 1;
uint8_t button_state_old = 1;
char inputstring[6];
memset(inputstring, 0, sizeof(inputstring));
while (1){
button_state = !(PINA & 0x08);
if( button_state == 1 && button_state_old == 0 ){
_delay_ms(20);
if( counter>=2000 ){
for( uint8_t i = 0; i <26; i++){
int a = strcmp(alpha[i], inputstring);
if(a == 0){
LCD_PutChar("\t");
LCD_PutChar(65+i);
}
}
//LCD_PutString("\t");
//LCD_PutString(inputstring);
LCD_PutString("\r\n");
//LCD_Clear();
memset(inputstring, 0, sizeof(inputstring));
}
counter = 0;
}
if( button_state == 0 && button_state_old == 1 ){
_delay_ms(20);
/* print to LCD */
LCD_Clear();
LCD_GotoXY(0, 0);
char msg[20];
sprintf(msg, "time: %d", counter);
LCD_PutString(msg);
//LCD_Clear();
//LCD_GotoXY(0, 0);
//char msg[20];
//sprintf(msg, "time: %d", counter);
if(counter<500 && counter>=1){
LCD_PutString(".");
strcat(inputstring, ".");
}
else if (counter>=500 && counter<1500){
LCD_PutString("-");
strcat(inputstring, "-");
}
//LCD_PutString(msg);
LCD_Update();
/* ------------ */
counter = 0;
}