Diff: main.cpp

Revision:

1:b431d2e16f4f

Parent:

0:ddb5698aa782

--- a/main.cpp	Mon Oct 30 16:59:55 2017 +0000
+++ b/main.cpp	Thu May 17 17:21:29 2018 +0000
@@ -2,37 +2,230 @@
 #include "EthernetInterface.h"
 #include "TCPServer.h"
 #include "TCPSocket.h"
+#include "ADS1299.h"
+//SPI device(SPI_MOSI, SPI_MISO, SPI_SCK);
+SPI device(PC_12, PC_11, PC_10);
+Serial pc(SERIAL_TX, SERIAL_RX);
+DigitalOut CS(D10);
+DigitalOut ledG(LED1);
+DigitalOut ledR(LED3);
+InterruptIn DDRY(D15);
+DigitalOut reset(D14);
+DigitalOut START(D9);
+
+#define buffe 356
+
+const uint32_t lenght_char=(buffe*3)+3;
+unsigned char b1[lenght_char],*b2[lenght_char];
+uint32_t ciclo,_m;
+bool a,bandera;
+
+int leer(void)    //concatena 24 bits
+{
+    uint32_t rdata;
+    rdata  = device.write(0);
+    rdata<<=8;
+    rdata|=device.write(0);
+    rdata<<=8;
+    rdata|=device.write(0);
+    return rdata;
+}
+
+int complement(uint32_t ch)// conversion twos complement
+{
+    int32_t sch;
+    if(ch>0x7FFFFF) {
+        ch|=0xFF800000;
+        ch--;
+        ch=~ch;
+        sch = -ch;
+    } else if(ch<=0x7FFFFF) {
+        sch = ch;
+    }
+    sch+= 0x7FFFFF; //offset, solo valores positivos
+    return sch;
+}
+
+int buffy(uint32_t _ch)
+{
+    //_ch+=0x7FFFFF;
+    uint8_t c1,c2,c3;
+    c1=_ch>>16;
+    b1[ciclo]=c1;
+    ciclo++;
+    c2=_ch>>8;
+    b1[ciclo]=c2;
+    ciclo++;
+    c3=_ch;
+    b1[ciclo]=c3;
+    ciclo++;
+    return 0;
+}
+
+void send_data()
+{
+    if (bandera == 0) {
+        buffy(0xffffff);
+        bandera|=1;
+    }
+
+    uint32_t statu,ch1,ch2,ch3,ch4,ch5;
+    int32_t sch2;
+    //  uint8_t c1,c2,c3;
+    statu  = leer();
+    ch1  = leer();
+    ch2  = leer();
+    ch3  = leer();
+    ch4  = leer();
+    ch5  = leer();
+
+    //  sch2=complement(ch2);
+     // buffy(sch2);
+      //sch2=complement(ch3);
+     // buffy(0);
+      //sch2=complement(ch4);
+      //buffy(0);
+      //sch2=complement(ch5);
+      //buffy(0);
+            
+            sch2=complement(ch2);
+     buffy(sch2);
+    sch2=complement(ch3);
+   buffy(sch2);
+    sch2=complement(ch4);
+     buffy(sch2);
+   sch2=complement(ch5);
+     buffy(sch2);
+
+    if(ciclo>=lenght_char) {
+        bandera&=~bandera;
+        memcpy(&b2, &b1, lenght_char);
+        ciclo=0;
+        a=1;
+    }
+
+}
 
 int main()
 {
-    printf("TCP server example\n");
-    
+
+    pc.printf("hi, ");
+////////////seteo de ethernet
     EthernetInterface eth;
     eth.connect();
-    
-    printf("The Server IP address is '%s'\n", eth.get_ip_address());
-    
+    pc.printf("The Server IP address is '%s'  ", eth.get_ip_address());
     TCPServer srv;
     TCPSocket client_sock;
     SocketAddress client_addr;
-    char *buffer = new char[256];
-    
-    /* Open the server on ethernet stack */
     srv.open(&eth);
-    
-    /* Bind the HTTP port (TCP 80) to the server */
-    srv.bind(eth.get_ip_address(), 23);
-    
-    /* Can handle x simultaneous connections */
+    srv.bind(eth.get_ip_address(), 8085);
     srv.listen(1);
+    ledG = 1;
+    srv.accept(&client_sock, &client_addr);
+    pc.printf("Accepted %s:%d  ", client_addr.get_ip_address(),
+              client_addr.get_port());
+
+    ///////////////////Wake up ADS
+    //  pc.printf("ADS1299- Nucleo -F767ZI \n");
+    device.format(8,1);
+    device.frequency(4000000);
+    START=0;
+    reset=1;
+    wait(0.2);
+    reset=0;
+    CS=1;
+    wait_us(10);
+    reset = !reset;
+    wait_us(40);
+/////////////////////////////////////
+
+
+
+/////////////SDATAC para escribir sobre registros
+    CS = 0;
+    wait_us(1);
+    device.write(0x11);
+    wait_us(4);//tsccs = 4 Tclk
+    CS = 1;
+    wait_us(2);//tsch = 2 Tclk
+//////////////////////////////////////////////////////////
+
+    ////////////leer ID
+    int _id;
+    CS = 0;
+    wait_us(1);
+    device.write(RREG|ID);  //read
+    device.write(0x00);
+    _id=device.write(0x00);
+    wait_us(4);
+    CS=1;
+    wait_us(2);
+////////////////////////
+    pc.printf("ID register: %X\n",_id);
+
+
 
-    srv.accept(&client_sock, &client_addr);
-    printf("Accepted %s:%d\n", client_addr.get_ip_address(), 
-                    client_addr.get_port());
-    strcpy(buffer, "Hello \n\r");
-    client_sock.send(buffer, strlen(buffer));
-    client_sock.recv(buffer, 256);
-    
+////////// SETEAR CONFIGURACION   (todos los registros)
+    CS = 0;
+    wait_us(5);
+    device.write(WREG|CONFIG1);  //write desde config 1
+    device.write(0x16);         // escribir sobre 23 registros
+    device.write(0x94);        //CONFIG1
+    device.write(0xc0);       //CONFIG2     //c0 normal   //d0 Test source
+    device.write(0xe0);      //CONFIG3
+    device.write(0x00);     //LOFF
+    device.write(0x68);          //CH1SET   //ref channel
+    device.write(0x60);         //CH2SET     //65 cuadrada  //60 electrodo
+    device.write(0x60);        //CH3SET
+    device.write(0x60);       //CH4SET
+    device.write(0x60);      //CH5SET // si no los uso 81
+    device.write(0x81);     //CH6SET
+    device.write(0x81);    //CH7SET
+    device.write(0x81);   //CH8SET
+    device.write(0x00);          //BIAS_SENSP
+    device.write(0x00);         //BIAS_SENSN
+    device.write(0x00);        //LOFF_SENSP
+    device.write(0x00);       //LOFF_SENSN
+    device.write(0x00);      //LOFF_FLIP
+    device.write(0x00);     //LOFF_STATP
+    device.write(0x00);    //LOFF_STATN
+    device.write(0x0f);   //GPIO
+    device.write(0x20);  //MISC1
+    device.write(0x00); //MISC2
+    device.write(0x00);//CONFIG4
+    wait_us(4);
+    CS=1;
+    wait_us(2);
+///////////////////////////////////////
+
+////////////////INICIO A _RDATAC
+    CS = 0;
+    wait_us(1);
+    device.write(_RDATAC);
+    wait_us(4);
+    CS=1;
+    wait_us(2);
+    START=1;
+    CS = 0;
+    wait_ms(10);//tsettle
+//////////////////////////
+//    int _by=0;
+    // client_sock.recv(reading, 8);
+    // client_sock.set_blocking(false);
+    // DDRY.mode(PullUp);
+//NVIC_SetPriority(TIMER3_IRQn, 200);
+    send_data();
+    DDRY.fall(&send_data);
+    //  DDRY.disable_irq();
+  wait_ms(buffe);
+    // restart.attach(&send_data, 0.001);
+    while(1) {
+        while (a==1) {
+            client_sock.send(&b2, lenght_char);
+            a=0;
+        }
+        //   fflush();
+        __wfi();
+    }
     client_sock.close();
-    delete[] buffer;
-}
+}
\ No newline at end of file