initial commit

sdk/software/examples/int_test/Makefile

@@ -0,0 +1,11 @@
+TARGET = int_test
+
+CFLAGS += -O3 -g
+
+C_SRCS := $(wildcard ./*.c )
+
+OBJDIR = obj
+COMMON_DIR = ../../bsp
+GCC_DIR=../../../toolchains/loongson-gnu-toolchain-8.3-x86_64-loongarch32r-linux-gnusf-v2.0
+PICOLIBC_DIR=../../../toolchains/picolibc
+include ../../bsp/common.mk

sdk/software/examples/int_test/main.c

@@ -0,0 +1,96 @@
+#include <stdio.h> 
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+
+#include "common_func.h"
+
+//BSP板级支持包所需全局变量
+unsigned long UART_BASE = 0xbf000000;					//UART16550的虚地址
+unsigned long CONFREG_TIMER_BASE = 0xbf20f100;			//CONFREG计数器的虚地址
+unsigned long CONFREG_CLOCKS_PER_SEC = 50000000L;		//CONFREG时钟频率
+unsigned long CORE_CLOCKS_PER_SEC = 33000000L;			//处理器核时钟频率
+
+
+int Ball_x = 400;
+int Ball_y = 100;
+int Ball_r = 5;
+
+int Plane_x = 400;
+int Plane_y = 400;
+int Plane_l = 100;
+int Plane_w = 5;
+
+int  simu_flag;
+volatile unsigned char int_flag;
+
+void Timer_IntrHandler(void);
+void Button_IntrHandler(unsigned char button_state);
+
+int main(int argc, char** argv)
+{
+	int_flag = 0;
+	DVI_Draw_Rect(Plane_x,Plane_y,Plane_l,Plane_w);
+    DVI_Draw_SQU(Ball_x,Ball_y,Ball_r);
+
+	simu_flag = RegRead(0xbf20f500);
+	RegWrite(0xbf20f004,0x0f);//edge
+	RegWrite(0xbf20f008,0x1f);//pol
+	RegWrite(0xbf20f00c,0x1f);//clr
+	RegWrite(0xbf20f000,0x1f);//en
+	if(simu_flag){
+		RegWrite(0xbf20f104,5000);//timercmp 0.1ms
+	}
+	else{
+		RegWrite(0xbf20f104,50000000);//timercmp 1s
+	}
+	RegWrite(0xbf20f108,0x1);//timeren
+
+	while(int_flag == 0)
+	{
+		
+	}
+
+	return 0;
+}
+
+void HWI0_IntrHandler(void)
+{	
+	unsigned int int_state;
+	int_state = RegRead(0xbf20f014);
+
+	if((int_state & 0x10) == 0x10){
+		Timer_IntrHandler();
+	}
+	else if(int_state & 0xf){
+		Button_IntrHandler(int_state & 0xf);
+	}
+}
+
+void Timer_IntrHandler(void)
+{
+	RegWrite(0xbf20f108,0);//timeren
+	RegWrite(0xbf20f108,1);//timeren
+	printf("timer int\n");
+}
+
+void Button_IntrHandler(unsigned char button_state)
+{
+	if((button_state & 0b1000) == 0b1000){
+		printf("button4 int\n");
+		int_flag = 1;
+		RegWrite(0xbf20f00c,0x8);//clr
+	}
+	else if((button_state & 0b0100) == 0b0100){
+		printf("button3 int\n");
+		RegWrite(0xbf20f00c,0x4);//clr
+	}
+	else if((button_state & 0b0010) == 0b0010){
+		printf("button2 int\n");
+		RegWrite(0xbf20f00c,0x2);//clr
+	}
+	else if((button_state & 0b0001) == 0b0001){
+		printf("button1 int\n");
+		RegWrite(0xbf20f00c,0x1);//clr
+	}
+}