Mercurial > repos > blastem
diff i2c.h @ 1414:d94855080529
Move I2C EEPROM and NOR Flash functions out of romdb.c into new files
author | Michael Pavone <pavone@retrodev.com> |
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date | Fri, 23 Jun 2017 21:48:38 -0700 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/i2c.h Fri Jun 23 21:48:38 2017 -0700 @@ -0,0 +1,22 @@ +#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_