view i2c.h @ 1971:80920c21bb52

Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
author Michael Pavone <pavone@retrodev.com>
date Fri, 08 May 2020 11:40:30 -0700
parents d94855080529
children
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#ifndef I2C_H_
#define I2C_H_

typedef struct {
	char        *buffer;
	uint32_t    size;
	uint16_t    address;
	uint8_t     host_sda;
	uint8_t     slave_sda;
	uint8_t     scl;
	uint8_t     state;
	uint8_t     counter;
	uint8_t     latch;
} eeprom_state;

void eeprom_init(eeprom_state *state, uint8_t *buffer, uint32_t size);
void * write_eeprom_i2c_w(uint32_t address, void * context, uint16_t value);
void * write_eeprom_i2c_b(uint32_t address, void * context, uint8_t value);
uint16_t read_eeprom_i2c_w(uint32_t address, void * context);
uint8_t read_eeprom_i2c_b(uint32_t address, void * context);

#endif //I2C_H_