From 3529a847eaf2057928742178cca16eee57db31d0 Mon Sep 17 00:00:00 2001
From: chen <15335560115@163.com>
Date: 星期五, 15 八月 2025 19:52:47 +0800
Subject: [PATCH] 初步调好demo,会有丢失测距后回来回复测距大概率蜂鸣器一直震的现象未解决

---
 keil/include/board/board.c |   33 +++++++++++++++++++++++++++------
 1 files changed, 27 insertions(+), 6 deletions(-)

diff --git a/keil/include/board/board.c b/keil/include/board/board.c
index 6baa1ec..e9800d2 100644
--- a/keil/include/board/board.c
+++ b/keil/include/board/board.c
@@ -63,6 +63,7 @@
 static GPIO_IRQ_HANDLER_T button_irq_handler = NULL;
 static GPIO_IRQ_HANDLER_T accelerate_irq_handler=NULL;
  GPIO_IRQ_HANDLER_T _4Gusart_irq_handler=NULL;
+static GPIO_IRQ_HANDLER_T _SOSusart_falling_irq_handler=NULL;
 extern struct UART_CFG_T test_uart_cfg;
 extern struct ADC_CFG_T usr_adc_cfg;
 void board_clock_run(void)
@@ -404,7 +405,8 @@
 		accelerate_irq_handler=irq_handler;
 		gpio_pin_set_dir(ACCLERATE_DETECT_Pin , GPIO_DIR_IN, 0);
 		io_pull_set(ACCLERATE_DETECT_Pin, IO_PULL_DOWN, IO_PULL_UP_LEVEL4);
-        gpio_enable_irq(ACCLERATE_DETECT_Pin, GPIO_IRQ_TYPE_RISING_EDGE, accelerate_irq_handler);
+     gpio_enable_irq(ACCLERATE_DETECT_Pin, GPIO_IRQ_TYPE_RISING_EDGE, accelerate_irq_handler);
+	
 }
 void board_4GUsart_detection_init(GPIO_IRQ_HANDLER_T irq_handler)  //4G 串口输入检测中断,下拉触发
 {
@@ -415,12 +417,22 @@
         gpio_enable_irq(_4G_USART_RX_Pin, GPIO_IRQ_TYPE_FALLING_EDGE, _4Gusart_irq_handler);
 		power_wakeup_enable((enum POWER_WAKEUP_SOURCE_T)_4G_USART_RX_Pin, POWER_WAKEUP_LEVEL_LOW);
 }
+void board_SOS_fall_detection_init(GPIO_IRQ_HANDLER_T irq_handler)  //sos输入中断
+{
+        _SOSusart_falling_irq_handler=irq_handler;  
+        io_pin_mux_set(SCL_PIN,IO_FUNC0);//把原先io 变为普通GPIO
+				gpio_pin_set_dir(SCL_PIN , GPIO_DIR_IN, 0);
+				io_pull_set(SCL_PIN , IO_PULL_UP, IO_PULL_UP_LEVEL4);
+				gpio_enable_irq(SCL_PIN, GPIO_IRQ_TYPE_FALLING_EDGE, _SOSusart_falling_irq_handler);
+				//gpio_enable_irq(SCL_PIN, GPIO_IRQ_TYPE_RISING_EDGE, _SOSusart_irq_handler);
+		power_wakeup_enable((enum POWER_WAKEUP_SOURCE_T)SCL_PIN, POWER_WAKEUP_LEVEL_LOW);
+}
 void board_button_init(GPIO_IRQ_HANDLER_T irq_handler)
 {
     button_irq_handler = irq_handler;
-    gpio_pin_set_dir(BOARD_SW_1, GPIO_DIR_IN, 0);
-    io_pull_set(BOARD_SW_1, IO_PULL_UP, IO_PULL_UP_LEVEL3);
-    gpio_enable_irq(BOARD_SW_1, GPIO_IRQ_TYPE_FALLING_EDGE, button_irq_handler);
+    gpio_pin_set_dir(SCL_PIN, GPIO_DIR_IN, 0);
+    io_pull_set(SCL_PIN, IO_PULL_UP, IO_PULL_UP_LEVEL3);
+    gpio_enable_irq(SCL_PIN, GPIO_IRQ_TYPE_FALLING_EDGE, button_irq_handler);
 
     power_wakeup_enable((enum POWER_WAKEUP_SOURCE_T)BOARD_SW_1, POWER_WAKEUP_LEVEL_LOW);
 }
@@ -430,7 +442,14 @@
     gpio_pin_set_dir(BOARD_LED_1, GPIO_DIR_OUT, 0);
     gpio_pin_set_dir(BOARD_LED_2, GPIO_DIR_OUT, 0);
 }
-
+void board_output_init(void)
+{
+		//adc采集gnd默认拉高
+		io_pin_mux_set(ADC_GND_ENABLE, IO_FUNC0);
+    gpio_pin_set_dir(ADC_GND_ENABLE , GPIO_DIR_OUT, 1);
+//		io_open_drain_set(ADC_GND_ENABLE, 1);
+    io_pull_set(ADC_GND_ENABLE,IO_HIGH_Z,IO_PULL_UP_NONE);//
+}
 void board_led_on(enum IO_PIN_T idx)
 {
     gpio_pin_set(idx);
@@ -456,17 +475,19 @@
     board_led_off(BOARD_LED_1);
 #endif
 }
-
+extern volatile int32_t m_EUART_DMA_RXPtr;
 void board_restore_from_power_down(void)
 {
 	uart_open(UART_ID1, &test_uart_cfg);
 	AIR780EUartInit();
 	adc_open(&usr_adc_cfg);
+	 m_EUART_DMA_RXPtr = 0;
 #if defined(UCI_INTF_PORT)
     uci_tl_resume();
 #else
     // button - restore interrupt type
 	gpio_enable_irq(_4G_USART_RX_Pin, GPIO_IRQ_TYPE_FALLING_EDGE, _4Gusart_irq_handler);
+	gpio_enable_irq(ACCLERATE_DETECT_Pin, GPIO_IRQ_TYPE_RISING_EDGE, accelerate_irq_handler);
 //    if (button_irq_handler)
 //    {
 //        gpio_enable_irq(BOARD_SW_1, GPIO_IRQ_TYPE_FALLING_EDGE, button_irq_handler);

--
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