#include <status_led.h>
#include <asm/gpio.h>
+#ifndef CONFIG_GPIO_LED_INVERTED_TABLE
+#define CONFIG_GPIO_LED_INVERTED_TABLE {}
+#endif
+
+static led_id_t gpio_led_inv[] = CONFIG_GPIO_LED_INVERTED_TABLE;
+
+static int gpio_led_gpio_value(led_id_t mask, int state)
+{
+ int i, gpio_value = (state == CONFIG_LED_STATUS_ON);
+
+ for (i = 0; i < ARRAY_SIZE(gpio_led_inv); i++) {
+ if (gpio_led_inv[i] == mask)
+ gpio_value = !gpio_value;
+ }
+
+ return gpio_value;
+}
+
void __led_init(led_id_t mask, int state)
{
+ int gpio_value;
+
if (gpio_request(mask, "gpio_led") != 0) {
printf("%s: failed requesting GPIO%lu!\n", __func__, mask);
return;
}
- gpio_direction_output(mask, state == STATUS_LED_ON);
+ gpio_value = gpio_led_gpio_value(mask, state);
+ gpio_direction_output(mask, gpio_value);
}
void __led_set(led_id_t mask, int state)
{
- gpio_set_value(mask, state == STATUS_LED_ON);
+ int gpio_value = gpio_led_gpio_value(mask, state);
+
+ gpio_set_value(mask, gpio_value);
}
void __led_toggle(led_id_t mask)
{
gpio_set_value(mask, !gpio_get_value(mask));
}
+
+#ifdef CONFIG_GPIO_LED_STUBS
+
+/* 'generic' override of colored LED stubs, to use GPIO functions instead */
+
+#ifdef CONFIG_LED_STATUS_RED
+void red_led_on(void)
+{
+ __led_set(CONFIG_LED_STATUS_RED, CONFIG_LED_STATUS_ON);
+}
+
+void red_led_off(void)
+{
+ __led_set(CONFIG_LED_STATUS_RED, CONFIG_LED_STATUS_OFF);
+}
+#endif
+
+#ifdef CONFIG_LED_STATUS_GREEN
+void green_led_on(void)
+{
+ __led_set(CONFIG_LED_STATUS_GREEN, CONFIG_LED_STATUS_ON);
+}
+
+void green_led_off(void)
+{
+ __led_set(CONFIG_LED_STATUS_GREEN, CONFIG_LED_STATUS_OFF);
+}
+#endif
+
+#ifdef CONFIG_LED_STATUS_YELLOW
+void yellow_led_on(void)
+{
+ __led_set(CONFIG_LED_STATUS_YELLOW, CONFIG_LED_STATUS_ON);
+}
+
+void yellow_led_off(void)
+{
+ __led_set(CONFIG_LED_STATUS_YELLOW, CONFIG_LED_STATUS_OFF);
+}
+#endif
+
+#ifdef CONFIG_LED_STATUS_BLUE
+void blue_led_on(void)
+{
+ __led_set(CONFIG_LED_STATUS_BLUE, CONFIG_LED_STATUS_ON);
+}
+
+void blue_led_off(void)
+{
+ __led_set(CONFIG_LED_STATUS_BLUE, CONFIG_LED_STATUS_OFF);
+}
+#endif
+
+#endif /* CONFIG_GPIO_LED_STUBS */