[FPGA] FPGA+AVR Buzzer_Motor 동작 구현

Editor : Vivado 2020.2

FPGA Board : Cmod A7-35t (xc7a35tcpg236-1)

AVR Board : ATmega128A

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[요구 사항]

1. 선풍기 동작 구현

2. Button PUSH -> Buzzer ON

3. Button1 PUSH : 정지  Button2 PUSH : 약풍 Button3 PUSH : 강풍

4. Button PUSH -> FND 출력 (0,1,2)

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1. 구조 다이어그램

 

2. FSM

 

3. Vivado Top CODE

`timescale 1 ps / 1 ps

module handHeldFan
   (i_addr,
    i_clk,
    i_cs,
    i_en,
    i_pres_value,
    i_rst_n,
    i_sw,
    o_buzzer_clk,
    o_fndFont,
    o_fndSelect,
    o_motor_clk,
    sysclk);
  input i_addr;
  input i_cs;
  input i_en;
  input [7:0]i_pres_value;
  input [1:0]i_sw;
  output [3:0]o_fndSelect;
  output o_motor_clk;
  input sysclk;

  wire [7:0]PWM_Generator_0_o_fndFont;
  wire [3:0]PWM_Generator_0_o_fndSelect;
  wire PWM_Generator_0_o_pwm_out;
  wire PWM_MEM_Gen_0_o_pwm_clk;
  wire i_addr_0_1;
  wire i_clk_0_1;
  wire i_cs_0_1;
  wire i_en_0_1;
  wire [7:0]i_pres_value_0_1;
  wire i_rst_n_0_1;
  wire [1:0]i_sw_0_1;
  wire sysclk_0_1;

  assign i_addr_0_1 = i_addr;
  assign i_clk_0_1 = i_clk;
  assign i_cs_0_1 = i_cs;
  assign i_en_0_1 = i_en;
  assign i_pres_value_0_1 = i_pres_value[7:0];
  assign i_rst_n_0_1 = i_rst_n;
  assign i_sw_0_1 = i_sw[1:0];
  assign o_buzzer_clk = PWM_MEM_Gen_0_o_pwm_clk;
  assign o_fndFont[7:0] = PWM_Generator_0_o_fndFont;
  assign o_fndSelect[3:0] = PWM_Generator_0_o_fndSelect;
  assign o_motor_clk = PWM_Generator_0_o_pwm_out;
  assign sysclk_0_1 = sysclk;
  handHeldFan_PWM_Generator_0_0 PWM_Generator_0
       (.i_rst_n(i_rst_n_0_1),
        .i_sw(i_sw_0_1),
        .o_fndFont(PWM_Generator_0_o_fndFont),
        .o_fndSelect(PWM_Generator_0_o_fndSelect),
        .o_pwm_out(PWM_Generator_0_o_pwm_out),
        .sysclk(sysclk_0_1));
  handHeldFan_PWM_MEM_Gen_0_0 PWM_MEM_Gen_0
       (.i_addr(i_addr_0_1),
        .i_clk(i_clk_0_1),
        .i_cs(i_cs_0_1),
        .i_en(i_en_0_1),
        .i_pwm_value(i_pwm_value_0_1),
        .o_pwm_clk(PWM_MEM_Gen_0_o_pwm_clk),
        .sysclk(sysclk_0_1));
endmodule

 

4. AVR main.c CODE

#define F_CPU	16000000UL
#include <avr/io.h>
#include <util/delay.h>
#include "button.h"

#define PWM_ADDR_DDR	DDRD
#define PWM_ADDR_PORT	PORTD
#define PWM_DATA_DDR	DDRF
#define PWM_DATA_PORT	PORTF

#define PWM_CLK_DDR		DDRD
#define PWM_EN_DDR		DDRD
#define PWM_CS_DDR		DDRD
#define PWM_CLK_PORT	PORTD
#define PWM_EN_PORT		PORTD
#define PWM_CS_PORT		PORTD

#define PWM_SW0_DDR		DDRD
#define PWM_SW0_PORT	PORTD
#define PWM_SW1_DDR		DDRD
#define PWM_SW1_PORT	PORTD

#define PWM_ADDR	0
#define PWM_CLK		1
#define	PWM_EN		2
#define PWM_CS		3
#define PWM_SW0		4
#define PWM_SW1		5


void pwmInit()
{
	PWM_ADDR_DDR |= (1<<PWM_ADDR);
	PWM_DATA_DDR = 0xff;
	PWM_CLK_DDR |= (1<<PWM_CLK);
	PWM_EN_DDR |= (1<<PWM_EN);
	PWM_CS_DDR |= (1<<PWM_CS);
	
	PWM_SW0_DDR |= (1 << PWM_SW0);
	PWM_SW1_DDR |= (1 << PWM_SW1);
}


#define ON	1
#define OFF	0

void buzzerSound(uint8_t onOff)
{
	if(onOff == ON)
	{
		PWM_EN_PORT |= (1<<PWM_EN);
	}
	else
	{
		PWM_EN_PORT &= ~(1<<PWM_EN);
	}
}

void buzzerHzValue(uint16_t hz)
{
	PWM_CS_PORT &= ~(1<<PWM_CS);
	PWM_ADDR_PORT = (PWM_ADDR_PORT & 0xfe) | 0;
	PWM_DATA_PORT = (uint8_t)hz;
	PWM_CLK_PORT &= ~(1<<PWM_CLK);
	PWM_CLK_PORT |= (1<<PWM_CLK);
	PWM_CLK_PORT &= ~(1<<PWM_CLK);
	
	PWM_ADDR_PORT = (PWM_ADDR_PORT & 0xfe) | 1;
	PWM_DATA_PORT = (uint8_t)(hz>>8);
	PWM_CLK_PORT &= ~(1<<PWM_CLK);
	PWM_CLK_PORT |= (1<<PWM_CLK);
	PWM_CLK_PORT &= ~(1<<PWM_CLK);
	PWM_CS_PORT |= (1<<PWM_CS);
}
int main(void)
{
	pwmInit();

	while (1)
	{
		if(getButton1State())
		{
			PWM_SW0_PORT &= ~(1<<PWM_SW0);
			PWM_SW1_PORT &= ~(1<<PWM_SW1);
			buzzerSound(ON);
			buzzerHzValue(1000);
			_delay_ms(500);
			buzzerSound(OFF);
		}
		else if(getButton2State())
		{
			PWM_SW0_PORT |= (1<<PWM_SW0);
			PWM_SW1_PORT &= ~(1<<PWM_SW1);
			buzzerSound(ON);
			buzzerHzValue(4000);
			_delay_ms(500);
			buzzerSound(OFF);
		}
		else if(getButton3State())
		{
			PWM_SW0_PORT &= ~(1<<PWM_SW0);
			PWM_SW1_PORT |= (1<<PWM_SW1);
			buzzerSound(ON);
			buzzerHzValue(7000);
			_delay_ms(500);
			buzzerSound(OFF);
		}
	}
}

 

5. 동작영상 및 사진