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[FIX] matrix lcd

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Sem van der Hoeven
2021-03-31 16:14:19 +02:00
parent a448a04a64
commit 25db0b03f0
8 changed files with 209 additions and 146 deletions
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44
Microcontrollers/LCDMatrix/main.c
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@@ -14,6 +14,7 @@
** Author: dkroeske@gmail.com
** -------------------------------------------------------------------------*/
#define F_CPU 10e6
#include <avr/io.h>
#include <util/delay.h>
@@ -92,6 +93,21 @@ Version : DMK, Initial code
}
}
void matrix_clear()
{
twi_start();
twi_tx(0xE0);
twi_tx(0x00);
for (int i = 0; i < 16; i++)
{
twi_tx(0x00);
}
twi_stop();
}
void turn_on_set_led()
/******************************************************************/
int main( void )
/*
@@ -126,23 +142,21 @@ Version : DMK, Initial code
twi_tx(0x81); // Display OFF - Blink On
twi_stop();
matrix_clear();
while (1)
{
twi_start();
twi_tx(0xE0); // Display I2C addres + R/W bit
twi_tx(0x00); // Address
twi_tx(0x00); // data
twi_stop();
wait(500);
twi_start();
twi_tx(0xE0); // Display I2C addres + R/W bit
twi_tx(0x00); // Address
twi_tx(0x01); // data
twi_stop();
wait(500);
for (int i = 0; i < 16; i += 2)
{
twi_start();
twi_tx(0xE0);
twi_tx((char)i);
twi_tx(0xFF);
twi_stop();
wait(200);
}
matrix_clear();
}
return 1;