54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
|
#include "led.h"
|
|||
|
|
|
|||
|
|
static uint32_t last_tick = 0;
|
|||
|
|
static uint32_t net_led_tick = 0;
|
|||
|
|
|
|||
|
|
/* 联网状态标志：0=未联网，1=联网成功 */
|
|||
|
|
volatile uint8_t g_net_led_connected = 0;
|
|||
|
|
|
|||
|
|
void ledInit(void)
|
|||
|
|
{
|
|||
|
|
GPIO_InitTypeDef g = {0};
|
|||
|
|
|
|||
|
|
__HAL_RCC_GPIOC_CLK_ENABLE();
|
|||
|
|
__HAL_RCC_GPIOA_CLK_ENABLE();
|
|||
|
|
|
|||
|
|
g.Mode = GPIO_MODE_OUTPUT_PP;
|
|||
|
|
g.Pull = GPIO_NOPULL;
|
|||
|
|
g.Speed = GPIO_SPEED_FREQ_LOW;
|
|||
|
|
|
|||
|
|
/* LED2 - PC13 */
|
|||
|
|
g.Pin = LED2_Pin;
|
|||
|
|
HAL_GPIO_Init(LED2_Port, &g);
|
|||
|
|
|
|||
|
|
/* 联网指示灯 - PA1, 默认熄灭 */
|
|||
|
|
g.Pin = NET_LED_Pin;
|
|||
|
|
HAL_GPIO_Init(NET_LED_Port, &g);
|
|||
|
|
|
|||
|
|
LED2_OFF;
|
|||
|
|
NET_LED_OFF;
|
|||
|
|
g_net_led_connected = 0;
|
|||
|
|
|
|||
|
|
last_tick = HAL_GetTick();
|
|||
|
|
net_led_tick = HAL_GetTick();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* 主动事件: 每500ms LED2闪烁一次 */
|
|||
|
|
void activeEvents(void)
|
|||
|
|
{
|
|||
|
|
if (HAL_GetTick() - last_tick >= 200) {
|
|||
|
|
last_tick = HAL_GetTick();
|
|||
|
|
LED2_TOGGLE;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* 联网指示灯控制：未联网时每 500ms 闪烁，联网成功后常亮 */
|
|||
|
|
if (!g_net_led_connected) {
|
|||
|
|
if (HAL_GetTick() - net_led_tick >= 500) {
|
|||
|
|
net_led_tick = HAL_GetTick();
|
|||
|
|
NET_LED_TOGGLE;
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
NET_LED_ON;
|
|||
|
|
}
|
|||
|
|
}
|