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Initialize led driver during bringup for nucleo-f446re board.

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This commit is contained in:
Hank Wu 2023-09-29 15:04:30 +13:00 committed by Xiang Xiao
parent 8c6be8e1f3
commit f144169f44
2 changed files with 36 additions and 114 deletions
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14
boards/arm/stm32/nucleo-f446re/src/stm32_bringup.c
View File

@ -54,6 +54,10 @@
# include <nuttx/video/fb.h>
#endif
#ifdef CONFIG_USERLED
# include <nuttx/leds/userled.h>
#endif
#include "stm32_romfs.h"
#include "nucleo-f446re.h"
@ -250,6 +254,16 @@ int stm32_bringup(void)
}
#endif
#ifdef CONFIG_USERLED
/* Register the LED driver */
ret = userled_lower_initialize("/dev/userleds");
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: userled_lower_initialize() failed: %d\n", ret);
}
#endif
#ifdef CONFIG_DAC
/* Initialize DAC and register the DAC driver. */

136
boards/arm/stm32/nucleo-f446re/src/stm32_userleds.c
View File

@ -39,106 +39,16 @@
#ifndef CONFIG_ARCH_LEDS
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/* LED Power Management */
#ifdef CONFIG_PM
static void led_pm_notify(struct pm_callback_s *cb, int domain,
enum pm_state_e pmstate);
static int led_pm_prepare(struct pm_callback_s *cb, int domain,
enum pm_state_e pmstate);
#endif
/****************************************************************************
* Private Data
****************************************************************************/
#ifdef CONFIG_PM
static struct pm_callback_s g_ledscb =
/* This array maps an LED number to GPIO pin configuration */
static const uint32_t g_ledcfg[BOARD_NLEDS] =
{
.notify = led_pm_notify,
.prepare = led_pm_prepare,
GPIO_LD2,
};
#endif
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: led_pm_notify
*
* Description:
* Notify the driver of new power state. This callback is called after
* all drivers have had the opportunity to prepare for the new power state.
*
****************************************************************************/
#ifdef CONFIG_PM
static void led_pm_notify(struct pm_callback_s *cb, int domain,
enum pm_state_e pmstate)
{
switch (pmstate)
{
case(PM_NORMAL):
{
/* Restore normal LEDs operation */
}
break;
case(PM_IDLE):
{
/* Entering IDLE mode - Turn leds off */
}
break;
case(PM_STANDBY):
{
/* Entering STANDBY mode - Logic for PM_STANDBY goes here */
}
break;
case(PM_SLEEP):
{
/* Entering SLEEP mode - Logic for PM_SLEEP goes here */
}
break;
default:
{
/* Should not get here */
}
break;
}
}
#endif
/****************************************************************************
* Name: led_pm_prepare
*
* Description:
* Request the driver to prepare for a new power state. This is a warning
* that the system is about to enter into a new power state. The driver
* should begin whatever operations that may be required to enter power
* state. The driver may abort the state change mode by returning a
* non-zero value from the callback function.
*
****************************************************************************/
#ifdef CONFIG_PM
static int led_pm_prepare(struct pm_callback_s *cb, int domain,
enum pm_state_e pmstate)
{
/* No preparation to change power modes is required by the LEDs driver.
* We always accept the state change by returning OK.
*/
return OK;
}
#endif
/****************************************************************************
* Public Functions
@ -150,9 +60,15 @@ static int led_pm_prepare(struct pm_callback_s *cb, int domain,
uint32_t board_userled_initialize(void)
{
/* Configure LD2 GPIO for output */
int i;
/* Configure LED GPIOs for output */
for (i = 0; i < BOARD_NLEDS; i++)
{
stm32_configgpio(g_ledcfg[i]);
}
stm32_configgpio(GPIO_LD2);
return BOARD_NLEDS;
}
@ -162,9 +78,9 @@ uint32_t board_userled_initialize(void)
void board_userled(int led, bool ledon)
{
if (led == 1)
if ((unsigned)led < BOARD_NLEDS)
{
stm32_gpiowrite(GPIO_LD2, ledon);
stm32_gpiowrite(g_ledcfg[led], ledon);
}
}
@ -174,22 +90,14 @@ void board_userled(int led, bool ledon)
void board_userled_all(uint32_t ledset)
{
stm32_gpiowrite(GPIO_LD2, (ledset & BOARD_LD2_BIT) != 0);
int i;
/* Configure LED GPIOs for output */
for (i = 0; i < BOARD_NLEDS; i++)
{
stm32_gpiowrite(g_ledcfg[i], (ledset & (1 << i)) != 0);
}
}
/****************************************************************************
* Name: stm32_led_pminitialize
****************************************************************************/
#ifdef CONFIG_PM
void stm32_led_pminitialize(void)
{
/* Register to receive power management callbacks */
int ret = pm_register(&g_ledscb);
DEBUGASSERT(ret == OK);
UNUSED(ret);
}
#endif /* CONFIG_PM */
#endif /* !CONFIG_ARCH_LEDS */