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author | Josh Blum <josh@joshknows.com> | 2010-08-16 19:51:20 -0700 |
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committer | Josh Blum <josh@joshknows.com> | 2010-08-16 19:51:20 -0700 |
commit | 0541029e4ecd06e840966b4005af316b92eeb9e5 (patch) | |
tree | 8d78c73a451634c7db7c04c861ff3654dc8797f4 /firmware/microblaze/lib/i2c.h | |
parent | ef6953024f1075a729e85f2511c75de337879888 (diff) | |
parent | 230368da5c55c0eb587960db50f68e1b618f271c (diff) | |
download | uhd-0541029e4ecd06e840966b4005af316b92eeb9e5.tar.gz uhd-0541029e4ecd06e840966b4005af316b92eeb9e5.tar.bz2 uhd-0541029e4ecd06e840966b4005af316b92eeb9e5.zip |
Merge branch 'premerge'
Diffstat (limited to 'firmware/microblaze/lib/i2c.h')
-rw-r--r-- | firmware/microblaze/lib/i2c.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/firmware/microblaze/lib/i2c.h b/firmware/microblaze/lib/i2c.h index ecb6aa0d2..77129e922 100644 --- a/firmware/microblaze/lib/i2c.h +++ b/firmware/microblaze/lib/i2c.h @@ -20,20 +20,38 @@ #define INCLUDED_I2C_H #include <stdbool.h> +#include "stdint.h" + +typedef enum { I2C_STATE_IDLE, + I2C_STATE_CONTROL_BYTE_SENT, + I2C_STATE_DATA, + I2C_STATE_LAST_BYTE, + I2C_STATE_DATA_READY, + I2C_STATE_ERROR + } i2c_state_t; + +typedef enum { I2C_DIR_WRITE=0, I2C_DIR_READ=1 } i2c_dir_t; void i2c_init(void); bool i2c_read (unsigned char i2c_addr, unsigned char *buf, unsigned int len); bool i2c_write(unsigned char i2c_addr, const unsigned char *buf, unsigned int len); +bool i2c_async_read(uint8_t addr, unsigned int len); +bool i2c_async_write(uint8_t addr, const uint8_t *buf, unsigned int len); +bool i2c_async_data_ready(void *); +//static void i2c_irq_handler(unsigned irq); +void i2c_register_callback(void (*callback)(void)); // Write 24LC024 / 24LC025 EEPROM on motherboard or daughterboard. // Which EEPROM is determined by i2c_addr. See i2c_addr.h bool eeprom_write (int i2c_addr, int eeprom_offset, const void *buf, int len); +bool eeprom_write_async (int i2c_addr, int eeprom_offset, const void *buf, int len, void (*callback)(void)); // Read 24LC024 / 24LC025 EEPROM on motherboard or daughterboard. // Which EEPROM is determined by i2c_addr. See i2c_addr.h bool eeprom_read (int i2c_addr, int eeprom_offset, void *buf, int len); +bool eeprom_read_async(int i2c_addr, int eeprom_offset, void *buf, int len, void (*callback)(void)); #endif /* INCLUDED_I2C_H */ |