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authorJosh Blum <josh@joshknows.com>2010-08-16 19:51:20 -0700
committerJosh Blum <josh@joshknows.com>2010-08-16 19:51:20 -0700
commit0541029e4ecd06e840966b4005af316b92eeb9e5 (patch)
tree8d78c73a451634c7db7c04c861ff3654dc8797f4 /firmware/microblaze/lib/i2c.h
parentef6953024f1075a729e85f2511c75de337879888 (diff)
parent230368da5c55c0eb587960db50f68e1b618f271c (diff)
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Merge branch 'premerge'
Diffstat (limited to 'firmware/microblaze/lib/i2c.h')
-rw-r--r--firmware/microblaze/lib/i2c.h18
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 */