updated software with interrupt function, timing report, and added headers for "cleaner" code

Author: dsa-shua

systolic-array-software/SystolicArray.h

@@ -0,0 +1,123 @@
+#include "xparameters.h"
+#include "xgpio.h"
+
+
+#define AUX_ADDR	 		0x41200000
+#define CLEAR_ADDR 		0x41210000
+#define DATA_IN_ADDR 	0x41220000
+#define DATA_OUT_ADDR 	0x41230000
+#define EN_ADDR			0x41240000
+
+#define AUX_ID			0
+#define CLEAR_ID 			1
+#define DIN_ID 			2
+#define DOUT_ID 			3
+#define EN_ID				4
+
+#define TO_PL				0
+#define TO_PS				1
+
+// Shiftting
+#define _write			0
+#define _load				1
+#define _idx 				2
+#define _reg_select 		5
+
+
+#define set_write			1
+#define set_load			2
+#define set_matmul		0
+#define set_read			3
+
+#define write(data) XGpio_DiscreteWrite(&xDIN,1, data)
+#define set(aux) XGpio_DiscreteWrite(&xAux,1, aux)
+#define en(x) XGpio_DiscreteWrite(&xEN, 1, x)
+#define read() XGpio_DiscreteRead(&xDOUT,1)
+#define clean(x)	XGpio_DiscreteWrite(&xClear, 1, x)
+
+#define aux_bit(mode_, reg_select_, idx_) ((reg_select_ << _reg_select) | (idx_ << _idx) | (mode_))
+
+#define shutdown() en(0)
+
+XGpio xAux, xClear, xDIN, xDOUT, xEN;
+
+
+void mem_write(int data, int reg_select, int idx){
+	en(0);
+	write(data);
+	set(aux_bit(set_write, reg_select, idx));
+	en(1);
+}
+
+void load_regs(){
+	en(0);
+	set(set_load);
+	en(1);
+}
+
+void do_matmul(){
+	en(0);
+	set(set_matmul);
+	en(1);
+}
+
+volatile u32 mem_read(int reg_select, int idx){
+	en(0);
+	set(aux_bit(set_read, reg_select,idx));
+	en(1);
+	return read();
+}
+
+u32 show_aux(int mode_, int reg_select_, int idx_){
+	return ((reg_select_ << _reg_select) | (idx_ << _idx) | (mode_));
+}
+
+
+void LED_TEST(){
+	en(0);
+	usleep(500000);
+	set(set_read);
+	usleep(500000);
+	set(set_write);
+	usleep(500000);
+	set(set_load);
+	usleep(500000);
+	set(set_matmul);
+}
+
+int connectFPGA(){
+	// AXI GPIO SETUP
+		if(XGpio_Initialize(&xAux, AUX_ID) != XST_SUCCESS){
+			printf( "aux init fail\n");
+			return 1;
+		}
+
+		if(XGpio_Initialize(&xClear, CLEAR_ID) != XST_SUCCESS){
+				printf("clear init fail\n");
+				return 1;
+		}
+
+		if(XGpio_Initialize(&xDIN, DIN_ID) != XST_SUCCESS){
+					printf("din init fail\n");
+					return 1;
+		}
+
+		if(XGpio_Initialize(&xDOUT, DOUT_ID) != XST_SUCCESS){
+					printf("dout init fail\n");
+					return 1;
+		}
+
+		if(XGpio_Initialize(&xEN, EN_ID) != XST_SUCCESS){
+					printf("en init fail\n");
+					return 1;
+		}
+
+
+		XGpio_SetDataDirection(&xAux, 1, TO_PL);
+		XGpio_SetDataDirection(&xClear, 1, TO_PL);
+		XGpio_SetDataDirection(&xDIN, 1, TO_PL);
+		XGpio_SetDataDirection(&xDOUT, 1, TO_PS);
+		XGpio_SetDataDirection(&xEN, 1, TO_PL);
+
+		return 0;
+}