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Add disable() to swi2c as well

This commit is contained in:
Alex Voinea 2022-02-25 19:44:59 +01:00 committed by D.R.racer
parent abbf2a3927
commit 47e610a2c6
2 changed files with 11 additions and 0 deletions
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8
Firmware/swi2c.c
View File

@ -44,6 +44,14 @@ void swi2c_init(void)
SET_OUTPUT(SWI2C_SDA); //finally make the SDA line an output since the bus is idle for sure. SET_OUTPUT(SWI2C_SDA); //finally make the SDA line an output since the bus is idle for sure.
} }
void swi2c_disable(void)
{
SET_INPUT(SWI2C_SDA);
WRITE(SWI2C_SDA, 0);
SET_INPUT(SWI2C_SCL);
WRITE(SWI2C_SCL, 0);
}
static void __delay(void) static void __delay(void)
{ {
_delay_us(1.5); _delay_us(1.5);

3
Firmware/swi2c.h
View File

@ -13,6 +13,9 @@ extern "C" {
//initialize //initialize
extern void swi2c_init(void); extern void swi2c_init(void);
//deinit pins
extern void swi2c_disable(void);
//check device address acknowledge //check device address acknowledge
extern uint8_t swi2c_check(uint8_t dev_addr); extern uint8_t swi2c_check(uint8_t dev_addr);