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Diffstat (limited to 'src/lpc176x/i2c.c')
-rw-r--r--src/lpc176x/i2c.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/lpc176x/i2c.c b/src/lpc176x/i2c.c
index 7ed631af..519dd504 100644
--- a/src/lpc176x/i2c.c
+++ b/src/lpc176x/i2c.c
@@ -9,6 +9,7 @@
#include "gpio.h" // i2c_setup
#include "internal.h" // gpio_peripheral
#include "sched.h" // sched_shutdown
+#include "i2ccmds.h" // I2C_BUS_SUCCESS
struct i2c_info {
LPC_I2C_TypeDef *i2c;
@@ -122,7 +123,7 @@ i2c_stop(LPC_I2C_TypeDef *i2c, uint32_t timeout)
i2c_wait(i2c, IF_STOP, timeout);
}
-void
+int
i2c_write(struct i2c_config config, uint8_t write_len, uint8_t *write)
{
LPC_I2C_TypeDef *i2c = config.i2c;
@@ -133,9 +134,11 @@ i2c_write(struct i2c_config config, uint8_t write_len, uint8_t *write)
while (write_len--)
i2c_send_byte(i2c, *write++, timeout);
i2c_stop(i2c, timeout);
+
+ return I2C_BUS_SUCCESS;
}
-void
+int
i2c_read(struct i2c_config config, uint8_t reg_len, uint8_t *reg
, uint8_t read_len, uint8_t *read)
{
@@ -159,4 +162,6 @@ i2c_read(struct i2c_config config, uint8_t reg_len, uint8_t *reg
read++;
}
i2c_stop(i2c, timeout);
+
+ return I2C_BUS_SUCCESS;
}