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Diffstat (limited to 'fw/fe310/eos/soc/i2c.h')
-rw-r--r--fw/fe310/eos/soc/i2c.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/fw/fe310/eos/soc/i2c.h b/fw/fe310/eos/soc/i2c.h
new file mode 100644
index 0000000..20d3dc7
--- /dev/null
+++ b/fw/fe310/eos/soc/i2c.h
@@ -0,0 +1,13 @@
+#include <stdint.h>
+
+#define EOS_I2C_SPEED 100000
+
+int eos_i2c_init(uint8_t wakeup_cause);
+int eos_i2c_run(uint8_t wakeup_cause);
+void eos_i2c_start(void);
+void eos_i2c_stop(void);
+void eos_i2c_speed(uint32_t baud_rate);
+int eos_i2c_read8(uint8_t addr, uint8_t reg, uint8_t *buffer, uint16_t len);
+int eos_i2c_read16(uint8_t addr, uint16_t reg, uint8_t *buffer, uint16_t len);
+int eos_i2c_write8(uint8_t addr, uint8_t reg, uint8_t *buffer, uint16_t len);
+int eos_i2c_write16(uint8_t addr, uint16_t reg, uint8_t *buffer, uint16_t len);