高阻输入读取按键

source/.vscode/settings.json

@@ -4,6 +4,8 @@
         "bsp_config.h": "c",
         "stc_macro.h": "c",
         "type.h": "c",
-        "main.h": "c"
+        "main.h": "c",
+        "bsp_config_delay.h": "c",
+        "bsp_key.h": "c"
     }
 }

source/app/main.c

@@ -83,6 +83,7 @@ void L0_main_init(void)
 {
   	//Lc_delay_ms(200);
   	L0_board_config();
+	bsp_key_init();
 	L0_uart0_buf_init();//串口初始化
 	EA = 1;
 	//Lc_delay_ms(100);
@@ -119,21 +120,30 @@ void main(void)
 		delayInMs(500);
 	}
 #endif
-
+	U8 key = 0;
 	//初始化
 	L0_main_init();
 	//验证加密信息
 	//L3_encrypt_handler();
 	//主循环
+	// L0_board_config();
+	// bsp_key_init();
 	while(1)
 	{
 		if(1 == s_nos_tick.t1s_heatbeart)
 		{
 			s_nos_tick.t1s_heatbeart = 0;
 			LED0 ^= 1;
-			// L0_uart0_uc('.');
+			// KR1 ^= 1;
+			// KC1 ^= 1;
+			L0_uart0_uc('.');
 			// L0_uart0_sendArray("v2.7",4);
-			L0_uartN_sendstr(0,"v2.8111");
+			// L0_uartN_sendstr(0,"v2.8111");
+		}
+
+		key = bsp_key_scan();
+		if(key != BSP_KEY_NUM_MAX){
+			L0_uart0_uchex(key);
 		}
 		
 		//L1_ADS1213_main();

source/app/main.h

@@ -42,6 +42,7 @@
 
 #include "../bsp/bsp_config.h"
 #include "../bsp/bsp_config_delay.h"
+#include "../bsp/bsp_key.h"
 #include "../bsp/chipid.h"
 #include "../bsp/cs1232.h"
 #include "../bsp/rs485.h"

source/bsp/bsp_config_delay.c

@@ -1,9 +1,10 @@
 #include "bsp_config_delay.h"
 
-#if (TYPE_MCU == TYPE_MCU_STC_8H 
-    || TYPE_MCU == TYPE_MCU_STC_8G 
-    || TYPE_MCU == TYPE_MCU_STC_8A 
-    || TYPE_MCU == TYPE_MCU_STC_8F)
+#if ((TYPE_MCU == TYPE_MCU_STC_8H)  \
+    || (TYPE_MCU == TYPE_MCU_STC_8G)    \
+    || (TYPE_MCU == TYPE_MCU_STC_8A)    \
+    || (TYPE_MCU == TYPE_MCU_STC_8F))   \
+    
 #if (D_sys_MainFre == MainFre_22M)
 
 void Delay100us()		//@22.1184MHz

source/bsp/bsp_key.c

@@ -0,0 +1,155 @@
+#include "bsp_key.h"
+#include "bsp_config_delay.h"
+
+U8 bsp_key_init(void)
+{
+	D_stdIO_P3(BITN6);
+	D_stdIO_P1(BITN7);
+	D_stdIO_P0(BITN6);
+	D_stdIO_P4(BITN3);
+	D_HighR_P1(BITN0);
+	D_HighR_P0(BITN7);
+	D_HighR_P1(BITN3);
+	D_HighR_P2(BITN0);
+
+	KR1 = KR2 = KR3 = KR4 = 1;
+	KC1 = KC2 = KC3 = KC4 = 1;
+
+	return 0;
+}
+
+void scan_row(U8 r)
+{
+	KR1 = 0;
+	KR2 = 0;
+	KR3 = 0;
+	KR4 = 0;
+	switch(r){
+		case 1:
+			KR1 = 1;break;
+		case 2:
+			KR2 = 1;break;
+		case 3:
+			KR3 = 1;break;
+		case 4:
+			KR4 = 1;break;
+		default:
+			break;
+	}
+}
+
+U8 scan_col(U8 c)
+{
+	if(c == 1)
+	{
+		if(KC1 == 1)
+		{
+			delayInMs(10);
+			if(KC1 == 1)
+			{
+				while(KC1 == 1);
+				return 1;
+			}
+		}
+	}
+	else if(c == 2){
+		if(KC2 == 1)
+		{
+			delayInMs(10);
+			if(KC2 == 1)
+			{
+				while(KC2 == 1);
+				return 1;
+			}
+		}
+	}
+	else if(c == 3){
+		if(KC3 == 1)
+		{
+			delayInMs(10);
+			if(KC3 == 1)
+			{
+				while(KC3 == 1);
+				return 1;
+			}
+		}
+	}
+	else if(c == 4){
+		if(KC4 == 1)
+		{
+			delayInMs(10);
+			if(KC4 == 1)
+			{
+				while(KC4 == 1);
+				return 1;
+			}
+		}
+	}
+	return 0;
+}
+
+U8 bsp_key_scan(void)
+{
+	U8 key = BSP_KEY_NUM_MAX;
+	//扫描第1行
+	scan_row(1);
+	if(scan_col(1) > 0){
+		return 0;
+	}
+	if(scan_col(2) > 0){
+		return 1;
+	}
+	if(scan_col(3) > 0){
+		return 2;
+	}
+	if(scan_col(4) > 0){
+		return 3;
+	}
+
+	// //扫描第2行
+	// scan_row(2);
+	// if(scan_col(1) > 0){
+	// 	key = 4;
+	// }
+	// if(scan_col(2) > 0){
+	// 	key = 5;
+	// }
+	// if(scan_col(3) > 0){
+	// 	key = 6;
+	// }
+	// if(scan_col(4) > 0){
+	// 	key = 7;
+	// }
+
+	// //扫描第3行
+	// scan_row(3);
+	// if(scan_col(1) > 0){
+	// 	key = 8;
+	// }
+	// if(scan_col(2) > 0){
+	// 	key = 9;
+	// }
+	// if(scan_col(3) > 0){
+	// 	key = 10;
+	// }
+	// if(scan_col(4) > 0){
+	// 	key = 11;
+	// }
+
+	// //扫描第4行
+	// scan_row(4);
+	// if(scan_col(1) > 0){
+	// 	key = 12;
+	// }
+	// if(scan_col(2) > 0){
+	// 	key = 13;
+	// }
+	// if(scan_col(KC3) > 0){
+	// 	key = 14;
+	// }
+	// if(scan_col(KC4) > 0){
+	// 	key = 15;
+	// }
+
+	return key;
+}

source/bsp/bsp_key.h

@@ -0,0 +1,11 @@
+#ifndef _BSP_KEY_H
+#define _BSP_KEY_H
+
+#include "bsp_config.h"
+
+#define BSP_KEY_NUM_MAX 99
+
+extern U8 bsp_key_init(void);
+extern U8 bsp_key_scan(void);
+
+#endif