michaelh/zephyr
1
0
Fork 0
Code Releases Activity

drivers: misc: grove_lcd_rgb: use k_sleep

Browse source 
The driver is sleeping in milliseconds using a custom wrapper around
k_busy_wait, move to k_sleep.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
This commit is contained in:
Gerard Marull-Paretas 2022-01-29 18:45:07 +01:00 • committed by Marti Bolivar
commit 825655f0dc
1 changed files with 4 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

17
drivers/misc/grove_lcd_rgb/grove_lcd_rgb.c
View file

@ -20,8 +20,6 @@
#include <logging/log.h>
LOG_MODULE_REGISTER(grove_lcd);
#define SLEEP_IN_US(_x_) ((_x_) * 1000)
#define GROVE_RGB_BACKLIGHT_ADDR (0x62)
struct command {
@ -92,13 +90,6 @@ static void rgb_reg_set(const struct device *i2c, uint8_t addr, uint8_t dta)
i2c_write(i2c, data, sizeof(data), GROVE_RGB_BACKLIGHT_ADDR);
}
static inline void sleep(uint32_t sleep_in_ms)
{
k_busy_wait(SLEEP_IN_US(sleep_in_ms));
}
/********************************************
* PUBLIC FUNCTIONS
*******************************************/
@ -144,7 +135,7 @@ void glcd_clear(const struct device *port)
i2c_write_dt(&rom->bus, clear, sizeof(clear));
LOG_DBG("clear, delay 20 ms");
sleep(20);
k_sleep(K_MSEC(20));
}
@ -161,7 +152,7 @@ void glcd_display_state_set(const struct device *port, uint8_t opt)
i2c_write_dt(&rom->bus, data, sizeof(data));
LOG_DBG("set display_state options, delay 5 ms");
sleep(5);
k_sleep(K_MSEC(5));
}
@ -230,7 +221,7 @@ void glcd_function_set(const struct device *port, uint8_t opt)
i2c_write_dt(&rom->bus, data, sizeof(data));
LOG_DBG("set function options, delay 5 ms");
sleep(5);
k_sleep(K_MSEC(5));
}
@ -278,7 +269,7 @@ int glcd_initialize(const struct device *port)
* VDD to power on, so pause a little here, 30 ms min, so we go 50
*/
LOG_DBG("delay 50 ms while the VDD powers on");
sleep(50);
k_sleep(K_MSEC(50));
/* Configure everything for the display function first */
cmd = GLCD_CMD_FUNCTION_SET | GLCD_FS_ROWS_2;