+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2015 Stefan Roese <sr@denx.de>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
u8 pwm; /* Pulse width modulation, see PCA9551_7.pdf p. 6 */
};
-static int freq0, freq1;
+static int freq_last = -1;
+static int mask_last = -1;
+static int idx_last = -1;
+static int mode_last;
static int pca9551_led_get_state(int led, int *state)
{
}
/*
- * Functions referenced by cmd_led.c
+ * Functions referenced by cmd_led.c or status_led.c
*/
+void __led_init(led_id_t id, int state)
+{
+}
+
void __led_set(led_id_t mask, int state)
{
- if (state == STATUS_LED_OFF)
+ if (state == CONFIG_LED_STATUS_OFF)
pca9551_led_set_state(mask, PCA9551_LED_STATE_OFF);
else
pca9551_led_set_state(mask, PCA9551_LED_STATE_ON);
{
struct pca9551_blink_rate rate;
int mode;
- int blink;
+ int idx;
- if ((freq0 == 0) || (freq == freq0)) {
- blink = 0;
- mode = PCA9551_LED_STATE_BLINK0;
- freq0 = freq;
+ if ((freq == freq_last) || (mask == mask_last)) {
+ idx = idx_last;
+ mode = mode_last;
} else {
- blink = 1;
- mode = PCA9551_LED_STATE_BLINK1;
- freq1 = freq;
+ /* Toggle blink index */
+ if (idx_last == 0) {
+ idx = 1;
+ mode = PCA9551_LED_STATE_BLINK1;
+ } else {
+ idx = 0;
+ mode = PCA9551_LED_STATE_BLINK0;
+ }
+
+ idx_last = idx;
+ mode_last = mode;
}
+ freq_last = freq;
+ mask_last = mask;
rate.psc = ((freq * 38) / 1000) - 1;
rate.pwm = 128; /* 50% duty cycle */
- pca9551_led_set_blink_rate(blink, rate);
+ pca9551_led_set_blink_rate(idx, rate);
pca9551_led_set_state(mask, mode);
}