diff options
Diffstat (limited to 'src/atsamd/i2c.c')
| -rw-r--r-- | src/atsamd/i2c.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/atsamd/i2c.c b/src/atsamd/i2c.c index 3c316142..18506a27 100644 --- a/src/atsamd/i2c.c +++ b/src/atsamd/i2c.c @@ -9,6 +9,7 @@ #include "command.h" // shutdown #include "gpio.h" // i2c_setup #include "sched.h" // sched_shutdown +#include "i2ccmds.h" // I2C_BUS_SUCCESS #define TIME_RISE 125ULL // 125 nanoseconds #define I2C_FREQ 100000 @@ -86,7 +87,7 @@ i2c_stop(SercomI2cm *si) si->CTRLB.reg = SERCOM_I2CM_CTRLB_CMD(3); } -void +int i2c_write(struct i2c_config config, uint8_t write_len, uint8_t *write) { SercomI2cm *si = (SercomI2cm *)config.si; @@ -94,9 +95,11 @@ i2c_write(struct i2c_config config, uint8_t write_len, uint8_t *write) while (write_len--) i2c_send_byte(si, *write++); i2c_stop(si); + + 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) { @@ -143,4 +146,6 @@ i2c_read(struct i2c_config config, uint8_t reg_len, uint8_t *reg // read received data byte *read++ = si->DATA.reg; } + + return I2C_BUS_SUCCESS; } |