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* QA: re-separation into library files

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* Feature: `set_ports()` for setting GP ports
* Change: removal of `static` and `inline` keywords to enable going library
This commit is contained in:
Derisis13
2022-03-07 16:15:20 +01:00
parent 60a7b1309e
commit b6bac30388
4 changed files with 72 additions and 57 deletions
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47
PT6302.c
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@@ -1,7 +1,54 @@
//
// Created by lacko on 02/03/2022.
//
#define F_CPU 8000000UL
#include <avr/io.h>
#include <util/delay.h>
#include "PT6302.h"
inline void PT6302_startup (void)
{
DDRB |= (CSBpin | CLKBpin | DINpin);
DDRC |= RSTpin;
PORTB |= (CSBpin | CLKBpin);
PORTB &= ~DINpin;
PORTC &= ~RSTpin;
_delay_us (TPRZ);
PORTC |= RSTpin;
_delay_us (TWRSTB);
}
void transmit_bytes (const uint8_t *payload, const uint8_t size)
{
_delay_us (1);
PORTB &= ~CSBpin;
for (int i = 0; i < size; ++i)
{
uint8_t data = payload[i];
for (int j = 0; j < 8; ++j, data = (data >> 1))
{
PORTB &= ~CLKBpin;
if ((data & 0x01) == 0)
PORTB &= ~DINpin;
else
PORTB |= DINpin;
_delay_us (TCW);
PORTB |= CLKBpin;
_delay_us (TCW);
}
_delay_us (TDOFF);
}
_delay_us (DTCSH);
PORTB |= CSBpin;
}
void set_ports(uint8_t gp1, uint8_t gp2)
{
uint8_t command = 0x40;
if(gp1 != 0 )
command |= 0x01;
if (gp2 != 0)
command |= 0x02;
transmit_bytes (&command, 1);
}