Temperature monitor for PC, uses the SPI driven TFT and also the Mod Serial library to receive temperature data from a PC over the USB-Serial port and plot it on a display

Dependencies:   mbed Touch_tft TFT_fonts_old

Files at this revision

API Documentation at this revision

Comitter:
Mephi
Date:
Wed Jan 18 20:40:29 2012 +0000
Commit message:
First publish, as I think I\ve got everything working for the temperature monitoring

Changed in this revision

MODSERIAL.lib Show annotated file Show diff for this revision Revisions of this file
SPI_TFT.lib Show annotated file Show diff for this revision Revisions of this file
TFT_fonts.lib Show annotated file Show diff for this revision Revisions of this file
Touch_tft.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r 8e8c90cd559b MODSERIAL.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MODSERIAL.lib	Wed Jan 18 20:40:29 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/AjK/code/MODSERIAL/#af2af4c61c2f
diff -r 000000000000 -r 8e8c90cd559b SPI_TFT.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SPI_TFT.lib	Wed Jan 18 20:40:29 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/dreschpe/code/SPI_TFT/#9dc5dfdda734
diff -r 000000000000 -r 8e8c90cd559b TFT_fonts.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TFT_fonts.lib	Wed Jan 18 20:40:29 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/dreschpe/code/TFT_fonts/#31ce4466ecdf
diff -r 000000000000 -r 8e8c90cd559b Touch_tft.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Touch_tft.lib	Wed Jan 18 20:40:29 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/dreschpe/code/Touch_tft/#ef7972c29c0e
diff -r 000000000000 -r 8e8c90cd559b main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jan 18 20:40:29 2012 +0000
@@ -0,0 +1,159 @@
+/*
+Required input format
+For Temps:
+temp GPU:55 CPU:45 SYS:35
+
+
+numbers MUST be two digit, 01-99, anything over 99 is shown as 99.
+*/
+
+
+#include "mbed.h"
+#define MODSERIAL_DEFAULT_RX_BUFFER_SIZE 512            // Setting to default so it can be referenced/changed later
+#include "MODSERIAL.h"
+#include "SPI_TFT.h"
+#include "Arial12x12.h"
+#include "Arial28x28.h"
+#include "touch_tft.h"
+
+DigitalOut myled(LED1);
+
+//Serial Variables
+MODSERIAL pc(USBTX, USBRX); // tx, rx
+bool newline_detected = false;
+char messageBufferIncoming[MODSERIAL_DEFAULT_RX_BUFFER_SIZE];
+
+//Screen Variables
+touch_tft tt(p19,p20,p16,p17,p11, p12, p13, p14, p15,"TFT"); // x+,x-,y+,y-,mosi, miso, sclk, cs, reset
+
+//Other Program Variables
+const int GraphWidth = 320;
+const int ScreenWidth = 295;
+const int ScreenHeight = 195;
+uint8_t GPUtemp[GraphWidth] = { 0 };
+uint8_t CPUtemp[GraphWidth] = { 0 };
+uint8_t SYStemp[GraphWidth] = { 0 };
+
+int currentGPUtemp = 0;
+int currentCPUtemp = 0;
+int currentSYStemp = 0;
+int GraphLocation = GraphWidth;
+
+int i;
+
+void rxCallback(MODSERIAL_IRQ_INFO *q) {
+    MODSERIAL *serial = q->serial;
+    if ( serial->rxGetLastChar() == '\n') {
+        newline_detected = true;
+    }
+}
+
+void AddNewTemp(int inGPUtemp, int inCPUtemp, int inSYStemp) {
+    GPUtemp[GraphWidth - 1] = inGPUtemp;
+    CPUtemp[GraphWidth - 1] = inCPUtemp;
+    SYStemp[GraphWidth - 1] = inSYStemp;
+}
+
+void MoveOnGraph(void) {
+    for(i = 0; i < GraphWidth; i++) {
+    GPUtemp[i] = GPUtemp[i + 1];
+    CPUtemp[i] = CPUtemp[i + 1];
+    SYStemp[i] = SYStemp[i + 1];    
+    }
+}
+
+void setTemps(char* inTemps) {
+    char temp1[3];
+    char temp2[3];
+    char temp3[3];
+    temp1[0] = inTemps[9];
+    temp1[1] = inTemps[10];
+    temp1[2] = '\0';
+    temp2[0] = inTemps[16];
+    temp2[1] = inTemps[17];
+    temp1[2] = '\0';
+    temp3[0] = inTemps[23];
+    temp3[1] = inTemps[24];
+    temp1[2] = '\0';
+    AddNewTemp(atoi(temp1), atoi(temp2), atoi(temp3));             
+}
+
+void DrawGraphOutline(void) {
+    tt.line(0,220,319,220,White);               // Graph Line Across
+    tt.line(25,25,25,239,White);                // Graph Line Down  
+    
+    tt.locate(3,3);
+    printf("Temps");
+    
+    tt.locate(260,222);                         // X axis labels
+    printf("1");    
+    tt.locate(200,222);
+    printf("2");    
+    tt.locate(140,222);
+    printf("3");    
+    tt.locate(80,222);
+    printf("4");
+    
+    tt.locate(1,170);                         // Y axis labels
+    printf("25");    
+    tt.locate(1,120);
+    printf("50");
+    tt.locate(1,70);
+    printf("75");
+
+}
+
+void DrawGraph(void) {   
+    int pix;
+    int tempDiff;
+    int width = GraphWidth - ScreenWidth;
+    for(pix = GraphWidth; pix > width ; pix--){
+        if((GPUtemp[pix] > 0)/* && (GPUtemp[pix - 1] != GPUtemp[pix])*/){
+            if(GPUtemp[pix -1] > 0){tt.pixel(pix, 220 - (GPUtemp[pix - 1] * 2), Black);}
+            tt.pixel(pix, 220 - (GPUtemp[pix] * 2), Green);
+            }
+        if((CPUtemp[pix] > 0)/* && (CPUtemp[pix - 1] != CPUtemp[pix])*/){
+            if(CPUtemp[pix -1] > 0){tt.pixel(pix, 220 - (CPUtemp[pix - 1] * 2), Black);}
+            tt.pixel(pix, 220 - (CPUtemp[pix] * 2), Blue);
+            }
+        if((SYStemp[pix] > 0) /*&& (SYStemp[pix - 1] != SYStemp[pix])*/){
+            if(SYStemp[pix -1] > 0){tt.pixel(pix, 220 - (SYStemp[pix - 1] * 2), Black);}
+            tt.pixel(pix, 220 - (SYStemp[pix] * 2), Red);
+            }
+    }
+    tt.locate(30,30);                         
+    printf("GPU: %i", GPUtemp[GraphWidth - 1]);    
+    tt.locate(30,45);
+    printf("CPU: %i", CPUtemp[GraphWidth - 1]);    
+    tt.locate(30,60);
+    printf("SYS: %i", SYStemp[GraphWidth - 1]);    
+}
+
+int main() {
+    pc.attach(&rxCallback, MODSERIAL::RxIrq);   //Setup USB Serial connection
+    
+    tt.claim(stdout);                           // send stdout to the TFT display
+    tt.background(Black);                       // set background to black
+    tt.foreground(White);                       // set chars to white
+    tt.cls();                                   // clear the screen
+    tt.set_font((unsigned char*) Arial12x12);   // select the font
+    tt.set_orientation(1);
+    
+    tt.line(0,25,319,25,White);                 // Line Across
+    tt.line(80,0,80,24,White);                  // Line Down 1
+    tt.line(160,0,160,24,White);                // Line Down 2 
+    tt.line(240,0,240,24,White);                // Line Down 3
+    
+    DrawGraphOutline();    
+    
+    while(1) {
+        while (! newline_detected ) ;
+        pc.move(messageBufferIncoming, MODSERIAL_DEFAULT_RX_BUFFER_SIZE);
+        newline_detected = false;
+        if(strncmp(messageBufferIncoming,"temp",4) == 0) {
+            setTemps(messageBufferIncoming);
+            DrawGraph();
+            MoveOnGraph();
+        }
+    }
+}
\ No newline at end of file
diff -r 000000000000 -r 8e8c90cd559b mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Jan 18 20:40:29 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/078e4b97a13e