diff options
Diffstat (limited to 'src/atsam/i2c.c')
| -rw-r--r-- | src/atsam/i2c.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/atsam/i2c.c b/src/atsam/i2c.c index 0661727c..8c3dc8ad 100644 --- a/src/atsam/i2c.c +++ b/src/atsam/i2c.c @@ -10,6 +10,7 @@ #include "gpio.h" // i2c_setup #include "internal.h" // gpio_peripheral #include "sched.h" // sched_shutdown +#include "i2ccmds.h" // I2C_BUS_SUCCESS #if CONFIG_MACH_SAME70 #include "same70_i2c.h" // Fixes for upstream header changes @@ -126,7 +127,7 @@ i2c_setup(uint32_t bus, uint32_t rate, uint8_t addr) return (struct i2c_config){ .twi=p_twi, .addr=addr}; } -void +int i2c_write(struct i2c_config config, uint8_t write_len, uint8_t *write) { Twi *p_twi = config.twi; @@ -150,9 +151,11 @@ i2c_write(struct i2c_config config, uint8_t write_len, uint8_t *write) p_twi->TWI_CR = TWI_CR_STOP; while (!(p_twi->TWI_SR & TWI_SR_TXCOMP)) ; + + 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) { @@ -192,4 +195,6 @@ i2c_read(struct i2c_config config, uint8_t reg_len, uint8_t *reg while (!(p_twi->TWI_SR & TWI_SR_TXCOMP)) ; (void)p_twi->TWI_SR; + + return I2C_BUS_SUCCESS; } |