Register display for Azoteq IQS621 ultra low power I2C multi-function sensor.

Dependents:   IQS621_HelloWorld

A library that performs a register dump of the Azoteq IQS621 ultra low power multisensor registers.

More information on the IQS621 here:

Components / IQS621
Azoteq IQS621 ultra low power sensor for ambient light, magnetic field, capacitance and inductive proximity. Empowers next-generation user interfaces.


Low Cost Evaluation Board For Azoteq IQS621ultra low power I2C sensor for ambient light, magnetic field, capacitance, inductive proximity and temperature.


Serial Terminal Output

/media/uploads/AzqDev/iqs621-1-display-i2c-ultra-low-power-sensor-for-ambient-light-capacitive-touch-magnetic-field.gif
IQS621 Register display as performed by mbed LPC1768.
Note the frame number - over half a million register dumps were performed with zero I2C errors.

Revision:
5:2f315f806f0c
Parent:
4:cfd35dc9976a
Child:
7:2cb11d8fa4a8
--- a/IQS621DisplayTerminal.cpp	Sat May 13 00:14:25 2017 +0000
+++ b/IQS621DisplayTerminal.cpp	Sun May 14 19:31:18 2017 +0000
@@ -15,19 +15,20 @@
 IQS621Display::IQS621Display() : Serial(USBTX,USBRX) // use mbed default serial port
 #endif
 
-{    
+{
     frameCounter=0;
     baud(DISPLAY_BAUD_RATE);
-}    
+}
 
 #if defined(TARGET_TEENSY3_1) || defined (TARGET_TEENSY3_2) || IQS_USE_USBSERIAL
-void IQS621Display::baud(int baudRate){}
+void IQS621Display::baud(int baudRate) {}
 #endif
 
 // display a startup message to serial port
-void IQS621Display::helloMessage(bool waitForUser) {
+void IQS621Display::helloMessage(bool waitForUser)
+{
     puts("\x1b[2J  \x1b[?25l  \x1b[H"); // ANSII/VT100 codes to clear screen, invisible cursor, home cursor
-    printf("           IQS621 Register Display\r\n\r\n"); 
+    printf("           IQS621 Register Display\r\n\r\n");
     printf("To get a smooth screen refresh effect, use a terminal program that supports ANSI/VT100 escape codes such as Tera Term.\r\n\r\n");
     printf("Handy hint - In many terminal programs, Alt-B (break) will reset your mbed Board.\r\n\r\n");
     printf("Press any key to continue...\r\n");
@@ -36,47 +37,50 @@
 }
 
 // show headings and I2C error count
-void IQS621Display::showStatus(int I2Cspeed, int I2CErrorCount) {
+void IQS621Display::showStatus(int I2Cspeed, int I2CErrorCount)
+{
     frameCounter++;
     puts("\x1b[H"); // ANSI/VT100 command for cursor home
-    printf("\t"); 
+    printf("\t");
     printf("\t IQS621 Register Display\r\n\r\n"); // heading
     printf("\t Frame number %06d", frameCounter);
     printf("\t I2C Speed %dk", I2Cspeed/1000);
     printf("\t I2C Errors %d", I2CErrorCount);
 }
 
-    
-// dump one line of text from the buffer with VT100 color formatting    
-void IQS621Display::showLine(char * buffer, char * color, int startbyte, int endbyte) {
-  for (int i=startbyte; i<=endbyte; i++) {
+
+// dump one line of text from the buffer with VT100 color formatting
+void IQS621Display::showLine(char * buffer, char * color, int startbyte, int endbyte)
+{
+    for (int i=startbyte; i<=endbyte; i++) {
         if ( color == NULL || color[i] == 0 )
-          printf("%02x ", buffer[i]);
+            printf("%02x ", buffer[i]);
         else
-        #define USE_IQS_COLOR_DISPLAY
-        #ifndef DONT_USE_IQS_COLOR_DISPLAY        
-          printf("\x1b[32m%02x\x1b[30m ", buffer[i]); // print out in green (ANSI VT100 code)
-        #else
-          printf("%02x ", buffer[i]); // print out in black & white
-        #endif
-      }
- }
+#define USE_IQS_COLOR_DISPLAY
+#ifndef DONT_USE_IQS_COLOR_DISPLAY
+            printf("\x1b[32m%02x\x1b[30m ", buffer[i]); // print out in green (ANSI VT100 code)
+#else
+            printf("%02x ", buffer[i]); // print out in black & white
+#endif
+    }
+}
 
 // formatted hex display of IQS621 registers
-void IQS621Display::showRegisters(char * buffer, char * color) {
-    
-    printf("\r\n\r\n Device ID & Version (46) [00] "); showLine(buffer,color,0x00,0x02);
-    printf("\r\n\r\n         Events and Flags [10] "); showLine(buffer,color,0x10,0x1e);
-    printf("\r\n\r\n  Channels 0-6 Raw Values [20] "); showLine(buffer,color,0x20,0x2d);
-    printf("\r\n\r\n   Long Term Average Data [30] "); showLine(buffer,color,0x30,0x33);
-    printf("\r\n\r\n      Proxfusion Settings [40] "); showLine(buffer,color,0x40,0x4d);
-    printf("\r\n\r\n    Proxfusion Thresholds [50] "); showLine(buffer,color,0x50,0x54);
-    printf("\r\n\r\n   Metal Detect Threshold [60] "); showLine(buffer,color,0x60,0x63);
-    printf("\r\n\r\n   Ambient Light Settings [70] "); showLine(buffer,color,0x70,0x73);
-    printf("\r\n\r\n Ambient Light Thresholds [80] "); showLine(buffer,color,0x80,0x83);
-    printf("\r\n\r\n     Hall Sensor Settings [90] "); showLine(buffer,color,0x90,0x93);
-    printf("\r\n\r\n   Hall Switch Thresholds [A0] "); showLine(buffer,color,0xa0,0xa2);
-    printf("\r\n\r\n   Temperature Cal/Limits [C0] "); showLine(buffer,color,0xc0,0xc3);
-    printf("\r\n\r\n  Device & Power Settings [D0] "); showLine(buffer,color,0xd0,0xd7); 
+void IQS621Display::showRegisters(char * buffer, char * color, bool showAllRegisters)
+{
+    bool d = showAllRegisters; // if true show all 16 registers per line
+    printf("\r\n\r\n Device ID & Version (46) [00] ");    showLine(buffer,color,0x00,d?0x02:0x0f);
+    printf("\r\n\r\n         Events and Flags [10] ");    showLine(buffer,color,0x10,d?0x1e:0x1f);
+    printf("\r\n\r\n  Channels 0-6 Raw Values [20] ");    showLine(buffer,color,0x20,d?0x2d:0x2f);
+    printf("\r\n\r\n   Long Term Average Data [30] ");    showLine(buffer,color,0x30,d?0x33:0x3f);
+    printf("\r\n\r\n      Proxfusion Settings [40] ");    showLine(buffer,color,0x40,d?0x4d:0x4f);
+    printf("\r\n\r\n    Proxfusion Thresholds [50] ");    showLine(buffer,color,0x50,d?0x54:0x5f);
+    printf("\r\n\r\n   Metal Detect Threshold [60] ");    showLine(buffer,color,0x60,d?0x63:0x6f);
+    printf("\r\n\r\n   Ambient Light Settings [70] ");    showLine(buffer,color,0x70,d?0x73:0x7f);
+    printf("\r\n\r\n Ambient Light Thresholds [80] ");    showLine(buffer,color,0x80,d?0x83:0x8f);
+    printf("\r\n\r\n     Hall Sensor Settings [90] ");    showLine(buffer,color,0x90,d?0x93:0x9f);
+    printf("\r\n\r\n   Hall Switch Thresholds [A0] ");    showLine(buffer,color,0xa0,d?0xa2:0xaf);
+    printf("\r\n\r\n   Temperature Cal/Limits [C0] ");    showLine(buffer,color,0xc0,d?0xc3:0xcf);
+    printf("\r\n\r\n  Device & Power Settings [D0] ");    showLine(buffer,color,0xd0,d?0xd7:0xdf);
     printf("\r\n\r\n");
 }
\ No newline at end of file