John Halfpenny
/
Accellerometer_project
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Dependencies: USBDevice mbed DipCortex-USB-EEProm
Diff: main.cpp
- Revision:
- 9:f37125673b91
- Parent:
- 8:9a3d2d28e7e5
- Child:
- 10:ba3a28345f76
--- a/main.cpp Thu Sep 03 17:13:29 2015 +0000
+++ b/main.cpp Fri Sep 11 10:37:33 2015 +0000
@@ -4,9 +4,13 @@
// Laurence Halfpenny
// August 2015
-#include "mbed.h"
-#include "main.h"
-#include "USBSerial.h"
+#include <stdint.h>
+#include <string.h>
+#include "mbed.h" // Needed for MBED library functions
+#include "main.h" // Needed for definitions of things that can be changed
+#include "USBSerial.h" // Needed for USB serial port
+#include "DipCortex-EEprom.h"
+#include "LPC13Uxx.h"
USBSerial pc; // USB CDC serial port
@@ -15,17 +19,29 @@
AnalogIn Y_in(P0_12); // Y accelleration voltage
AnalogIn X_in(P0_13); // X accelleration voltage
+// On-board LED
+DigitalOut LED(P0_1);
+
+// Push button
+// Logic FALSE when pushed, logic TRUE when no pushed
+DigitalIn BUTTON(P0_16);
+
// Acceleration values
int Z_accelleration=0;
int Y_accelleration=0;
int X_accelleration=0;
// Storage arrays for X,Y,Z
+// Pack them to save RAM space
+#pragma pack(push,1)
uint16_t Z_store[MAXSAMPLES]={};
uint16_t Y_store[MAXSAMPLES]={};
uint16_t X_store[MAXSAMPLES]={};
+#pragma pack(pop)
+
int Sample_index=0;
int Last_sample=0;
+int EEPROM_index=0;
// Control variables
bool monitoring=FALSE; // Controls whether monitoring is running or stopped
@@ -57,6 +73,10 @@
return ( prevCharIn );
}
+// ------------------------------------------------------------------------------------------------------------
+// Read and Write the EEPROM
+// ------------------------------------------------------------------------------------------------------------
+
// ------------------------------------------------------------------------------------------------------------
// Initialise the LPC1347 processor
@@ -72,6 +92,12 @@
// Enable RAM1
LPC_SYSCON->SYSAHBCLKCTRL |= (0x1 << 26);
+
+ // Clear the LED
+ LED=FALSE;
+
+ // Pull the BUTTON pin up to logic high
+ BUTTON.mode(PullUp);
}
// ------------------------------------------------------------------------------------------------------------
@@ -79,30 +105,32 @@
// ------------------------------------------------------------------------------------------------------------
void monitor_accelleration(void)
{
+ LED = !LED; // Toggle the LED each sample
+
X_accelleration=X_in.read_u16(); // Read and print X accelleration
X_store[Sample_index]=X_accelleration;
X_accelleration=(X_accelleration-(0xFFFF/2)); // Convert to change in accelleration
X_accelleration=X_accelleration/16;
- pc.printf("X: %d ",X_accelleration);
+ //pc.printf("X: %d ",X_accelleration);
Y_accelleration=Y_in.read_u16(); // Read and print Y accelleration
Y_store[Sample_index]=Y_accelleration;
Y_accelleration=(Y_accelleration-(0xFFFF/2)); // Convert to change in accelleration
Y_accelleration=Y_accelleration/16;
- pc.printf("Y: %d ",Y_accelleration);
+ //pc.printf("Y: %d ",Y_accelleration);
Z_accelleration=Z_in.read_u16(); // Read and print Z accelleration
Z_store[Sample_index]=Z_accelleration;
Z_accelleration=(Z_accelleration-(0xFFFF/2)); // Convert to change in accelleration
Z_accelleration=Z_accelleration/16;
- pc.printf("Z: %d \r\n",Z_accelleration);
+ //pc.printf("Z: %d \r\n",Z_accelleration);
- pc.printf("Sample index: %d \r\n",Sample_index);
+ //pc.printf("Sample index: %d \r\n",Sample_index);
Sample_index++;
if (Sample_index>=MAXSAMPLES)
{
- pc.printf("Stopping - full!\r\n");
+ //pc.printf("Stopping - full!\r\n");
monitoring=FALSE;
monitor_tick.detach();
Last_sample=Sample_index;
@@ -115,7 +143,7 @@
int main( void )
{
int i;
- // Initalise the LPC1347
+ // Initalise the LPC1347 & WiFiDIPCORTEX board
init();
// Wait for terminal program to start
@@ -129,57 +157,80 @@
pc.printf("| Version 1.2 |\r\n");
pc.printf("+-------------------------------------------+\r\n");
-
- // Forever check for commands from the keyboard
- while (TRUE)
+ // If the BUTTON is pushed (logic FALSE) start logging otherwise go into keyboard menu
+ if (BUTTON==FALSE)
{
- pc.printf("+-------------------------------------------+\r\n");
- pc.printf("| V 1.2 MENU: |\r\n");
- pc.printf("| 1: Start monitoring |\r\n");
- pc.printf("| 2: Stop monitoring |\r\n");
- pc.printf("| 3: Stop / Dump values |\r\n");
- pc.printf("+-------------------------------------------+\r\n");
-
- switch(WaitForSerialCommand())
+ // Start the monitoring
+ Sample_index=0;
+ monitoring=TRUE;
+ monitor_tick.attach(&monitor_accelleration,MONITORINTERVAL);
+ // Wait for the monitoring to finish and then save it to EEPROM
+ while (monitoring==TRUE)
+ {
+ // Just wait for monitoring to finish
+ }
+ // Now copy the storage arrays to EEPROM
+
+ // Now wait for ever
+ while (TRUE)
{
- case '1':
- pc.printf("Starting monitor\r\n");
- Sample_index=0;
- monitoring=TRUE;
- monitor_tick.attach(&monitor_accelleration,MONITORINTERVAL);
- break;
-
- case '2':
- pc.printf("Stopping monitoring\r\n");
- monitoring=FALSE;
- monitor_tick.detach();
- Last_sample=Sample_index;
- break;
-
- case '3':
- if (monitoring==TRUE)
- {
+ }
+ }
+ else
+ {
+ // Forever check for commands from the keyboard
+ while (TRUE)
+ {
+ pc.printf("+-------------------------------------------+\r\n");
+ pc.printf("| V 1.2 MENU: |\r\n");
+ pc.printf("| 1: Start monitoring |\r\n");
+ pc.printf("| 2: Stop monitoring |\r\n");
+ pc.printf("| 3: Stop / Dump values |\r\n");
+ pc.printf("+-------------------------------------------+\r\n");
+
+ switch(WaitForSerialCommand())
+ {
+ case '1':
+ pc.printf("Starting monitor\r\n");
+ Sample_index=0;
+ monitoring=TRUE;
+ monitor_tick.attach(&monitor_accelleration,MONITORINTERVAL);
+ break;
+
+ case '2':
pc.printf("Stopping monitoring\r\n");
monitoring=FALSE;
+ LED=FALSE;
monitor_tick.detach();
- Last_sample=Sample_index;
- }
+ Last_sample=Sample_index;
+ break;
- if (Last_sample>0)
- {
- for (i=0; i<Last_sample; i++)
+ case '3':
+ if (monitoring==TRUE)
{
- pc.printf("No.: %d ",i);
- pc.printf("X: %d ",X_store[i]);
- pc.printf("Y: %d ",Y_store[i]);
- pc.printf("Z: %d \r\n",Z_store[i]);
+ pc.printf("Stopping monitoring\r\n");
+ monitoring=FALSE;
+ LED=FALSE;
+ monitor_tick.detach();
+ Last_sample=Sample_index;
}
- }
- break;
-
- default:
- pc.printf("Invalid command\r\n");
- break;
+
+ if (Last_sample>0)
+ {
+ for (i=0; i<Last_sample; i++)
+ {
+ pc.printf("No.: %d ",i);
+ pc.printf("X: %d ",X_store[i]);
+ pc.printf("Y: %d ",Y_store[i]);
+ pc.printf("Z: %d \r\n",Z_store[i]);
+ }
+ }
+ break;
+
+ default:
+ pc.printf("Invalid command\r\n");
+ break;
+ }
}
}
