diff options
Diffstat (limited to 'src/linux')
| -rw-r--r-- | src/linux/gpio.h | 4 | ||||
| -rw-r--r-- | src/linux/i2c.c | 9 |
2 files changed, 9 insertions, 4 deletions
diff --git a/src/linux/gpio.h b/src/linux/gpio.h index df9de752..d72007c2 100644 --- a/src/linux/gpio.h +++ b/src/linux/gpio.h @@ -49,8 +49,8 @@ struct i2c_config { }; struct i2c_config i2c_setup(uint32_t bus, uint32_t rate, uint8_t addr); -void i2c_write(struct i2c_config config, uint8_t write_len, uint8_t *write); -void i2c_read(struct i2c_config config, uint8_t reg_len, uint8_t *reg +int i2c_write(struct i2c_config config, uint8_t write_len, uint8_t *write); +int i2c_read(struct i2c_config config, uint8_t reg_len, uint8_t *reg , uint8_t read_len, uint8_t *read); #endif // gpio.h diff --git a/src/linux/i2c.c b/src/linux/i2c.c index b328dc56..2b8a7988 100644 --- a/src/linux/i2c.c +++ b/src/linux/i2c.c @@ -13,6 +13,7 @@ #include "command.h" // shutdown #include "internal.h" // report_errno #include "sched.h" // sched_shutdown +#include "i2ccmds.h" // I2C_BUS_SUCCESS DECL_ENUMERATION_RANGE("i2c_bus", "i2c.0", 0, 15); @@ -84,7 +85,7 @@ i2c_setup(uint32_t bus, uint32_t rate, uint8_t addr) return (struct i2c_config){.fd=fd, .addr=addr}; } -void +int i2c_write(struct i2c_config config, uint8_t write_len, uint8_t *data) { int ret = write(config.fd, data, write_len); @@ -93,9 +94,11 @@ i2c_write(struct i2c_config config, uint8_t write_len, uint8_t *data) report_errno("write value i2c", ret); try_shutdown("Unable write i2c device"); } + + 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 *data) { @@ -124,4 +127,6 @@ i2c_read(struct i2c_config config, uint8_t reg_len, uint8_t *reg if(ret < 0) { try_shutdown("Unable to read i2c device"); } + + return I2C_BUS_SUCCESS; } |