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//2017-08-10
//該程序用于ESP-32建立TCP Server并實現串口透傳
//修改自ESP-32庫的Example>WiFi>WiFiTelnetToSerial
//WiFiTelnetToSerial - Example Transparent UART to Telnet Server for ESP32
#include <WiFi.h>
#include <WiFiMulti.h>
WiFiMulti wifiMulti;
//how many clients should be able to telnet to this ESP32
#define MAX_SRV_CLIENTS 3//此處設置WiFi最大連接數（請至少允許2個設備連接，保證電腦端和安卓端同時正常運行）
const char* ssid = "NUEDC2017-H";//SSID
const char* password = "nuedc2017-h";//密碼
WiFiServer server(2323);//設備端口（TCP Server服務器與端口：192.168.0.3:2323）
WiFiClient serverClients[MAX_SRV_CLIENTS];
//此處開啟了G16、G17作為串口，此應用下可不理會
HardwareSerial Serial1(2); // UART1/Serial1 pins 16,17
void setup() {
Serial.begin(9600);//此處應與上位機波特率一致
Serial.println("\nConnecting");
wifiMulti.addAP(ssid, password);
//wifiMulti.addAP("ssid_from_AP_2", "your_password_for_AP_2");
//wifiMulti.addAP("ssid_from_AP_3", "your_password_for_AP_3");
Serial.println("Connecting Wifi ");
for (int loops = 10; loops > 0; loops--) {
if (wifiMulti.run() == WL_CONNECTED) {
Serial.println("");
Serial.print("WiFi connected ");
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
break;
}
else {
Serial.println(loops);
delay(1000);
}
}
if (wifiMulti.run() != WL_CONNECTED) {
Serial.println("WiFi connect failed");
delay(1000);
ESP.restart();
}
//start UART and the server
Serial1.begin(9600);
server.begin();
server.setNoDelay(true);
Serial.print("Ready! Use Telnet ");
Serial.print(WiFi.localIP());
Serial.println(":2323 to connect");
}
void loop() {
uint8_t i;
if (wifiMulti.run() == WL_CONNECTED) {
//check if there are any new clients
if (server.hasClient()){
for(i = 0; i < MAX_SRV_CLIENTS; i++){
//find free/disconnected spot
if (!serverClients[i] || !serverClients[i].connected()){
if(serverClients[i]) serverClients[i].stop();
serverClients[i] = server.available();
if (!serverClients[i]) Serial.println("available broken");//?
Serial.print("New client: ");
Serial.print(i); Serial.print(' ');
Serial.println(serverClients[i].remoteIP());
break;
}
}
if (i >= MAX_SRV_CLIENTS) {
//no free/disconnected spot so reject
server.available().stop();
}
}
//check clients for data
for(i = 0; i < MAX_SRV_CLIENTS; i++){
if (serverClients[i] && serverClients[i].connected()){
if(serverClients[i].available()){
//get data from the telnet client and push it to the UART
while(serverClients[i].available()) Serial1.write(serverClients[i].read());
}
}
else {
if (serverClients[i]) {
serverClients[i].stop();
}
}
}
//check UART for data
if(Serial.available()){
size_t len = Serial.available();
uint8_t sbuf[len];
Serial.readBytes(sbuf, len);
//push UART data to all connected telnet clients
for(i = 0; i < MAX_SRV_CLIENTS; i++){
if (serverClients[i] && serverClients[i].connected()){
serverClients[i].write(sbuf, len);
delay(1);
}
}
}
}
else {
Serial.println("WiFi not connected!");
for(i = 0; i < MAX_SRV_CLIENTS; i++) {
if (serverClients[i]) serverClients[i].stop();
}
delay(1000);
}
}

復制代碼

#include "stm32f10x.h"
#include "LED_TEST_VET6.H"
#include "delay.h"
#include "dac.h"
#include "math.h"
#include "adc.h"
#include "usart.h"
#include "AD9854.h"
#include "zlg7290.h"
#include "exti.h"
#include "oled.h"
#define Vppin_up 409
#define Vppin_low 1
#define sweep_step_up 2000
#define sweep_step_low 10
int Vppin100mv[50]={98,98,99,101,100,101,102,103,104,105,
106,107,105,108,108,108,109,109,110,110,
110,111,113,113,113,113,113,113,113,113,
112,111,109,108,107,105,104,103,102,101,
101,101,101,101,101,101,101,104,105,107};
float Vpp_num[50];
char Mode=4;
//PB5 INT ;PB7 SDA; PB6 SCL
float Mhz=1.0;
float Vpp=0;
int Vppin=5;//5~100mv
int sweep_step=1000;//Khz
float sweep_start=1;
float sweep_end=50;
void sweep(void);
void Test_key(void);
void num_goback(void);
float GetVpp(void);
float GetVpp1(void);
void sweep3(void);
void sweep_100mv(void);
void sweep3_100mv(void);
int main(void)
{
LED_Init();//初始化
delay_init();
OLED_Init(); //初始化OLED
OLED_Clear();
Dac1_Init();//DAC通道1初始化
Dac2_Init();//DAC通道2初始化
EXTIX_Init();
uart_init(9600);
AD9854_Init();
// AD9854_SetSine_double(27000000,1844);
Adc_Init();
ZLG7290_Init();
while(1)
{
if(Mode==1)
AD9854_SetSine_double(Mhz*1000000,Vppin*10);
if(Mode==2)
sweep();
if(Mode==3)
sweep3_100mv();
if(Mode==4)
sweep_100mv();
}
}
float GetVpp()//PA1
{ u16 adcx;
float temp;
adcx=Get_Adc_Average(ADC_Channel_1,10);
temp=(float)adcx*(3.3/4096);
return temp;
}
float GetVpp1()//PA0
{ u16 adcx;
float temp;
adcx=Get_Adc_Average(ADC_Channel_0,10);
temp=(float)adcx*(3.3/4096);
return temp;
}
void sweep()
{
for(Mhz=sweep_start;Mhz<sweep_end;Mhz=sweep_step/1000.0+Mhz)
{
AD9854_SetSine_double(Mhz*1000000.0,Vppin*10);
delay_ms(10);
}
for(Mhz=sweep_end;Mhz>sweep_start;Mhz=-sweep_step/1000.0+Mhz)
{
AD9854_SetSine_double(Mhz*1000000.0,Vppin*10);
delay_ms(10);
}
}
void sweep_100mv()
{
char i=0;
{
for(i=1;i<=50;i++)
{AD9854_SetSine_double(i*1000000.0,Vppin100mv[i-1]*10);
Vpp=GetVpp();
printf("A%d,%f\r\n",i,Vpp);
printf("A%f,%f\r\n",i+0.5,Vpp);
OLED_ShowNum(48,4,Vpp,4,16);
OLED_ShowNum(48,2,i,4,16);
}
for(i=50;i>1;i--)
{AD9854_SetSine_double(i*1000000.0,Vppin100mv[i-1]*10);
Vpp=GetVpp();
printf("A%d,%f\r\n",i,Vpp);
printf("A%f,%f\r\n",i+0.5,Vpp);
OLED_ShowNum(48,4,Vpp,4,16);
OLED_ShowNum(48,2,i,4,16);
}
}
}
void sweep3_100mv()
{
u8 i;
u8 j;
{
for(i=1;i<=50;i++)
{AD9854_SetSine_double(i*1000000.0,Vppin100mv[i-1]*10);
Vpp=GetVpp();
Vpp_num[i-1]=Vpp;
OLED_ShowNum(48,4,Vpp,4,16);
OLED_ShowNum(48,2,i,4,16);
}
for(j=0;j<200;j++)
{
for(i=1;i<50;i++)
{
Dac1_Set_Vol(i*66);//PA4
Dac2_Set_Vol((Vpp_num[i-1]-0.5)*1650);//PA5
delay_us(100);
}
}
// for(i=50;i>1;i--)
// {AD9854_SetSine_double(i*1000000.0,Vppin100mv[i-1]*10);
// Vpp=GetVpp();
// Vpp_num[i-1]=Vpp;
// }
// for(i=50;i>1;i--)
// {
// Dac1_Set_Vol(i*66);//PA4
// Dac2_Set_Vol((Vpp_num[i-1]-0.5)*1650);//PA5
// delay_us(100);
// }
}
}
void Test_key()
{
u8 KeyValue=0;
u8 RepeatCnt=0;
u8 FnKeyValue=0;
ZLG7290_ReadReg(ZLG7290_Key,&KeyValue);
ZLG7290_ReadReg(ZLG7290_RepeatCnt,&RepeatCnt);
ZLG7290_ReadReg(ZLG7290_FunctionKey,&FnKeyValue);
{ AD9854_Init();
printf("%d\r\n",KeyValue);
if(Mode==1)//點頻
{
switch (KeyValue)
{
case 4:
Mhz++;
break;
case 3:
Mhz--;
break;
case 2:
Vppin+=1;
break;
case 1:
Vppin-=1;
break;
case 20:
Mhz+=10;
break;
case 19:
Mhz-=10;
break;
case 18:
Vppin+=10;
break;
case 17:
Vppin-=10;
break;
}
num_goback();
OLED_ShowNum(48,2,Mhz,4,16);
OLED_ShowNum(48,4,Vppin,4,16);
}
if(Mode==2)
{
if(FnKeyValue==255)
{
switch (KeyValue)
{
case 4:
sweep_step+=10;;
break;
case 3:
sweep_step-=10;
break;
case 2:
Vppin+=1;
break;
case 1:
Vppin-=1;
break;
case 20:
sweep_step+=100;
break;
case 19:
sweep_step-=100;
break;
case 18:
Vppin+=10;
break;
case 17:
Vppin-=10;
break;
}
num_goback();
OLED_ShowNum(48,2,sweep_step,4,16);
OLED_ShowNum(48,4,Vppin,4,16);
}
if(FnKeyValue==254)//調范圍
{ switch (KeyValue)
{
case 4:
sweep_start+=1;
break;
case 3:
sweep_start-=1;
break;
case 2:
sweep_end+=1;
break;
case 1:
sweep_end-=1;
break;
case 20:
sweep_start+=10;
break;
case 19:
sweep_start-=10;
break;
case 18:
sweep_end+=10;
break;
case 17:
sweep_end-=10;
break;
}
num_goback();
OLED_ShowNum(48,6,sweep_start,2,16);
OLED_ShowNum(72,6,sweep_end,2,16);
}
}
if(KeyValue>=9&&KeyValue<=12)
{
OLED_Clear();
switch (KeyValue)
{
case 12:
Mode=1;
showCinese_byrow(0,0,0,"45860");
showCinese_byrow(0,1,0,"018");
showCinese_byrow(0,2,0,"238");
OLED_ShowNum(48,2,Mhz,4,16);
OLED_ShowNum(48,4,Vppin,4,16);
OLED_ShowString(96,2,"Mhz",16);
OLED_ShowString(96,4,"mV",16);
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