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drivers: i2c_nrfx_twi[m]: Make transfer timeout value configurable

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Add a Kconfig option allowing users to configure the transfer timeout
value, as the default 500 ms may not be sufficient in specific cases.

Signed-off-by: Andrzej Głąbek <andrzej.glabek@nordicsemi.no>
This commit is contained in:
Andrzej Głąbek 2022-12-09 13:00:07 +01:00 • committed by Carles Cufí
commit 1a6e26db33
3 changed files with 18 additions and 2 deletions
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8
drivers/i2c/Kconfig.nrfx
View file

@ -12,6 +12,14 @@ menuconfig I2C_NRFX
if I2C_NRFX
config I2C_NRFX_TRANSFER_TIMEOUT
int "Transfer timeout [ms]"
default 500
help
Timeout in milliseconds used for each I2C transfer.
0 means that the driver should use the K_FOREVER value,
i.e. it should wait as long as necessary.
config I2C_0_NRF_TWI
def_bool HAS_HW_NRF_TWI0
select NRFX_TWI0

6
drivers/i2c/i2c_nrfx_twi.c
View file

@ -16,7 +16,11 @@
#include <zephyr/irq.h>
LOG_MODULE_REGISTER(i2c_nrfx_twi, CONFIG_I2C_LOG_LEVEL);
#define I2C_TRANSFER_TIMEOUT_MSEC K_MSEC(500)
#if CONFIG_I2C_NRFX_TRANSFER_TIMEOUT
#define I2C_TRANSFER_TIMEOUT_MSEC K_MSEC(CONFIG_I2C_NRFX_TRANSFER_TIMEOUT)
#else
#define I2C_TRANSFER_TIMEOUT_MSEC K_FOREVER
#endif
struct i2c_nrfx_twi_data {
struct k_sem transfer_sync;

6
drivers/i2c/i2c_nrfx_twim.c
View file

@ -18,7 +18,11 @@
#include <zephyr/irq.h>
LOG_MODULE_REGISTER(i2c_nrfx_twim, CONFIG_I2C_LOG_LEVEL);
#define I2C_TRANSFER_TIMEOUT_MSEC K_MSEC(500)
#if CONFIG_I2C_NRFX_TRANSFER_TIMEOUT
#define I2C_TRANSFER_TIMEOUT_MSEC K_MSEC(CONFIG_I2C_NRFX_TRANSFER_TIMEOUT)
#else
#define I2C_TRANSFER_TIMEOUT_MSEC K_FOREVER
#endif
struct i2c_nrfx_twim_data {
struct k_sem transfer_sync;