Matthew Green
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
Revision 0:8e8c90cd559b, committed 2012-01-18
- 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
--- /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
--- /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
--- /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
--- /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
--- /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
--- /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