NRF52840 Eval Kit User Manual
Vision: V1.0.1 Date: 2019.01.19
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{
int8_t
rslt
=
0
;
/* Return 0 for Success, non-zero for failure
*/
/*
* The parameter dev_id can be used as a variable to store the
I2C address of the device
*/
/*
* Data on the bus should be like
* |------------+---------------------|
* | I2C action | Data |
* |------------+---------------------|
* | Start | - |
* | Write | (reg_addr) |
* | Stop | - |
* | Start | - |
* | Read | (reg_data[0]) |
* | Read | (....) |
* | Read | (reg_data[len - 1]) |
* | Stop | - |
* |------------+---------------------|
*/
return
rslt
;
}
int8_t
user_i2c_write
(
uint8_t
dev_id
,
uint8_t
reg_addr
,
uint8_t
*
reg_data
,
uint16_t
len
)
{
int8_t
rslt
=
0
;
/* Return 0 for Success, non-zero for failure
*/
/*
* The parameter dev_id can be used as a variable to store the
I2C address of the device
*/
/*
* Data on the bus should be like
* |------------+---------------------|
* | I2C action | Data |
* |------------+---------------------|
* | Start | - |
* | Write | (reg_addr) |
* | Write | (reg_data[0]) |
* | Write | (....) |
* | Write | (reg_data[len - 1]) |
* | Stop | - |
