Revision 0:924cb994fc16, committed 2016-10-20

Comitter:

isaackod

Date:

Thu Oct 20 16:49:21 2016 +0000

Commit message:

First commit. Cell not fully implemented yet

Changed in this revision

diff -r 000000000000 -r 924cb994fc16 CELL_CTRL/cell_ctrl.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CELL_CTRL/cell_ctrl.cpp	Thu Oct 20 16:49:21 2016 +0000
@@ -0,0 +1,100 @@
+
+#include "cell_ctrl.h"
+
+//These are functions to connect the modem to a port, and to reset the modem.
+
+void cell_ctrl_init(Serial* io, Serial pc, char* buffer){
+     // Enable echo
+    io->printf("ATE1\r");
+    collectResponseString(io, buffer, BUFFER_SIZE, TIMEOUT_MS, 0);
+    pc.printf("%s", buffer);
+    
+    // Disable the forwarding of +++ to the actual data connection
+    io->printf("AT#SKIPESC=1\r");
+    collectResponseString(io, buffer, BUFFER_SIZE, TIMEOUT_MS, 0);
+    pc.printf("%s", buffer);
+    
+    // Flow control (none)
+    //io->printf("AT+IFC=2,2\r");
+    io->printf("AT+IFC=0,0\r");
+    collectResponseString(io, buffer, BUFFER_SIZE, TIMEOUT_MS, 0);
+    pc.printf("%s", buffer);
+    
+    io->printf("AT+CSQ\r");
+    collectResponseString(io, buffer, BUFFER_SIZE, TIMEOUT_MS, 0);
+    pc.printf("%s", buffer);
+    
+    io->printf("AT+CDV*22899\r");
+    collectResponseString(io, buffer, BUFFER_SIZE, TIMEOUT_MS, 0);
+    pc.printf("%s", buffer);
+    
+    // Config socket
+    io->printf("AT#SCFG=1,1,%i,%i,%i,1\r", 
+        PACKET_SIZE, 
+        int(INACTIVITY_TIMEOUT), 
+        int(CONNECTION_TIMEOUT));
+    collectResponseString(io, buffer, BUFFER_SIZE, TIMEOUT_MS, 0);
+    pc.printf("%s", buffer);
+
+    // Set context (ppp?)
+    io->printf("AT#SGACT=1,1\r");
+    collectResponseString(io, buffer, BUFFER_SIZE, 30000, 0);
+    pc.printf("%s", buffer);
+    
+    // Connect to TCP server
+    io->printf("AT#SD=1,0,%i,\"%s\",0,1,0\r", PORT, ADDRESS);
+    collectResponseString(io, buffer, BUFFER_SIZE, 30000, '\n');
+    pc.printf("%s", buffer);
+    
+    pc.printf("Entering message loop. Now in data mode.\r\n");
+    
+}
+
+void cell_ctrl_rst(Serial* io, Serial pc, char* buffer){
+    // Send escape sequence
+    wait(1.5);
+    io->printf("+++");
+    wait(1.5);
+    collectResponseString(io, buffer, BUFFER_SIZE, 15000, 0);
+    pc.printf("%s", buffer);
+   
+    // Get socket status
+    io->printf("AT#SS\r");
+    collectResponseString(io, buffer, BUFFER_SIZE, 1000, 0);
+    pc.printf("%s", buffer);
+    
+    // Reboot the modem
+    pc.printf("Performing hard reset of the modem and waiting 10 seconds. \r\n");
+    io->printf("AT#REBOOT\r");
+    collectResponseString(io, buffer, BUFFER_SIZE, 1000, 0);
+    pc.printf("%s", buffer);
+    
+    wait(10.0);
+    
+    pc.printf("Restarting the program...\r\n");
+    
+}
+
+bool collectResponseString(Serial* io, char* buffer, int size, int timeout_ms, char terminator) {
+    mbed::Timer tmr;
+    tmr.start();
+    int i = 0;
+    char byte;
+    bool notimeout = true;
+    while (i < size-1) {
+        if (tmr.read_ms() > timeout_ms) {
+            notimeout = false;
+            break;
+        }
+        if (io->readable()) {
+            byte = io->getc();
+            buffer[i] = byte;
+            i++;
+            if (byte == terminator) {
+                break;    
+            }
+        }
+    }
+    buffer[i] = '\0';
+    return notimeout;
+}
\ No newline at end of file

diff -r 000000000000 -r 924cb994fc16 CELL_CTRL/cell_ctrl.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CELL_CTRL/cell_ctrl.h	Thu Oct 20 16:49:21 2016 +0000
@@ -0,0 +1,20 @@
+#ifndef CELL_H
+#define CELL_H
+
+#include "mbed.h"
+
+#define BUFFER_SIZE 1024
+#define TIMEOUT_MS 1000
+#define PORT 9873
+#define INACTIVITY_TIMEOUT 20.0
+#define CONNECTION_TIMEOUT 20.0
+#define PACKET_SIZE 1428
+#define ADDRESS "52.36.17.98"
+
+//io connects with the modem, pc is for debugging
+void cell_ctrl_init(Serial* io, Serial pc);
+bool collectResponseString(Serial* io,char* buffer, int size, int timeout_ms, char terminator);
+void cell_ctrl_rst(Serial* io, Serial pc, char* buffer);
+
+
+#endif
\ No newline at end of file

diff -r 000000000000 -r 924cb994fc16 MPL3115A2.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MPL3115A2.lib	Thu Oct 20 16:49:21 2016 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/users/isaackod/code/MPL3115A2_for_weather_shield/#9ba8fde79093

diff -r 000000000000 -r 924cb994fc16 htu21d.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/htu21d.lib	Thu Oct 20 16:49:21 2016 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/users/isaackod/code/htu21d_for_weather_shield/#fe060047cc24

diff -r 000000000000 -r 924cb994fc16 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Oct 20 16:49:21 2016 +0000
@@ -0,0 +1,86 @@
+#include "mbed.h"
+#include "MPL3115A2.h"
+#include "htu21d.h"
+
+
+I2C i2c(I2C_SDA, I2C_SCL);       // sda, scl
+Serial pc(USBTX, USBRX); // tx, rx
+MPL3115A2 mpl(&i2c, &pc);
+htu21d htu(i2c);
+DigitalOut bled(PTC3);
+DigitalOut gled(PTC12);
+AnalogIn light(A1);
+AnalogIn lightref(A3);
+
+float readLightSensor(AnalogIn sig, AnalogIn ref);
+
+int main() {
+    pc.baud(115200);
+    wait_ms(300);
+    gled.write(1);
+    bled.write(1);
+
+ 
+    pc.printf("** Temperature Shield **\r\n");
+ 
+ 
+    // Initialize the MPL3115A2 pressure and temp.
+    Temperature t;
+    Pressure p;
+    
+    mpl.init();
+    pc.printf("MPL3115A2 ID: 0x%X\r\n", mpl.whoAmI());
+    // Offsets for Dacula, GA
+    mpl.setOffsetTemperature(20);
+    mpl.setOffsetPressure(-32);
+   
+   
+     //initialize the HTU21D humidity and temp.
+    float H21Temp = 0.0;                      //Temperture from HTU21D
+    float H21Hum = 0.0;                       //Humidity from HTU21D
+    int htu21 = htu.softReset();
+    if(htu21 == 0){
+        pc.printf(" - HTU21D broken...\r\n");
+    } 
+    else{
+         uint8_t HTU21DuserReg = htu.getUserReg();
+         pc.printf("HTU21D UserReg: 0x%02x   SN: 0x%04x %08x %04x\r\n", 
+                   HTU21DuserReg, htu.HTU21sn.HTU21D_sna, htu.HTU21sn.HTU21D_snb, htu.HTU21sn.HTU21D_snc);
+    }
+    
+    //main loop
+    while(1) 
+    {   
+        //read mpl
+        bled = 0;
+        wait(1);
+        mpl.readTemperature(&t);
+        mpl.readPressure(&p);
+        bled = 1;
+        pc.printf("Temp: %s C, Pressure: %sPa \r\n", t.print(), p.print());
+
+        //read htu
+        gled = 0;
+        wait(1);
+        if(htu21 == 1) {    //if HTU21D didn't initialize, don't access HTU21D anymore
+            H21Hum = htu.getHum();
+            if((double)H21Hum == 255.0) pc.printf("\r\n*** HTU21D Hum error!!\r\n");
+            H21Temp = htu.getTemp();
+            if((double)H21Temp == 255.0) pc.printf("\r\n*** HTU21D Temp error!!\r\n");
+        }
+        gled = 1;
+        pc.printf("Temp: %7.2f C   Hum: %4.1f %% \r\n ", H21Temp, H21Hum);
+        
+        //read photoresistor
+        wait(1);
+        float lightLvl = readLightSensor(light,lightref);
+        pc.printf("Light: %3.2f \r\n", lightLvl);
+
+    }
+}
+
+float readLightSensor(AnalogIn sig, AnalogIn ref){
+    float opVoltage = 3.3/ref.read();
+    float lightSen = opVoltage *sig.read();
+    return lightSen;
+    }
\ No newline at end of file

diff -r 000000000000 -r 924cb994fc16 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Oct 20 16:49:21 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/552587b429a1
\ No newline at end of file