Edwin Bailen
An attempt tp port Arduino ST1201 code to the KL25Z
Revision 0:76906da6c1ad, committed 2013-11-25
- Comitter:
- n5kzw
- Date:
- Mon Nov 25 21:02:23 2013 +0000
- Commit message:
- First try
Changed in this revision
diff -r 000000000000 -r 76906da6c1ad KTMS1201.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/KTMS1201.h Mon Nov 25 21:02:23 2013 +0000 @@ -0,0 +1,102 @@ +/* Header file for Arduino and KTM-S1201 LCD module + Originally Written by Jeff Albertson Ver 1.0 + Modifications and code normalisation by Robert W. Mech rob@mechsoftware.com + Modified by John Boxall 11/March/2013 + + These are the pins that are output on the KTM-S1201 + + LCD pin number + Pin 1 LcdVcc +5V dc power + pin 2 LcdVss GND + pin 3 LcdnSck Not Serial clock + pin 4 LcdSi Serial data + pin 5 LcdCnD Select Command or Data mode + pin 6 LcdnRes Reset LCD + pin 7 LcdnBus LCD not busy + pin 8 LcdnCs LCD not Chip select + pin 9 Pot wiper Vlc LCD Contrast Connect POT between pin 9 and GND + pin 10 NC +*/ + +#define HIGH 1 +#define LOW 0 + +// Here we set which LCD pins will connect to which Arduino pin +/* +#define LcdSck 4 //Not Serial clock +#define LcdSi 5 //Serial data in +#define LcdCnD 6 //Command or Not data in +#define LcdnRes 7 //Not reset low = reset +#define LcdnBus 9// Not Busy output from LCD not used if delay(1) after LcdnCs changes +#define LcdnCs 8 //Not Chip select Low = LCD selected +THESE DEFINITION MOVED TO DigitalOut FUNCTIONS IN main.cpp +*/ +// Put a delay(1) after every LcdnCs change or check LcdnBus +#define t 100 +#define t1 10 + +// The Not Chip select pin is the only unique +// Pin on the LCD all other pins can be paralleled +// for more ktm-s1201 displays +#define _Mode 0x40 +#define _USync 0x31 +#define _FBlink 0x1b +#define _SBlink 0x1a +#define _NoBlink 0x18 +#define _DispOn 0x11 +#define _Decode 0x15 +#define _NoDecode 0x14 +#define _LoadPtr 0xE0 +#define _SetDp 0xb8 // Set decimal point (Dp) +#define _ClearDp 0x9f // Clear decimal point (Dp) +#define _ClearDsp 0x20 // Clear display memory + +// To set Dp you must be in NoDecode mode and point to character (LoadPtr) +// --- 0x01 +//0x10 | | 0x02 +//0x20 --- +//0x40 | | 0x04 +//0x80 --- o 0x08 + +#define _cet 0x31 // Celsius +#define _ 0x0 // Space +#define _A 0x77 // +#define _B 0xF4 // +#define _C 0xE0 // +#define _D 0xE6 // +#define _E 0xF1 // +#define _F 0x71 // +#define _G 0xD5 // +#define _H 0x74 // +#define _I 0x04 // +#define _J 0x86 // +#define _K 0x70 // +#define _L 0xD0 // +#define _M 0x76 // +#define _N 0x64 // +#define _O 0xE4 // +#define _P 0x73 // +#define _Q 0xDF // +#define _R 0x60 // +#define _S 0xB5 // +#define _T 0xF0 // +#define _U 0xC4 // +#define _V 0xD6 // +#define _W 0xF6 // +#define _X 0x56 // +#define _Y 0x72 // +#define _Z 0xEB // +#define _1 0x06 // +#define _2 0xE3 // +#define _3 0xA7 // +#define _4 0x36 // +#define _5 0xB5 // +#define _6 0xF4 // +#define _7 0x07 // +#define _8 0xF7 // +#define _9 0x37 // +#define _0 0xD7 // +#define _DASH 0x20 // +#define _DEGREE 0x33 // + +
diff -r 000000000000 -r 76906da6c1ad main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Nov 25 21:02:23 2013 +0000
@@ -0,0 +1,198 @@
+#include "KTMS1201.h"
+#include "mbed.h"
+#include "string.h"
+
+//Constants for functions to ease use of display printing
+static int anCount=39; // One less than actual since index base is 0
+static int anConst={_A,_B,_C,_D,_E,_F,_G,_H,_I,_L,_M,_N,_O,_P,_Q,_R,_S,_T,_U,_V,_W,_X,_Y,_Z,_1,_2,_3,_4,_5,_6,_7,_8,_9,_0,_,_DASH,_DEGREE};
+static int anHumanConst={'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','1','2','3','4','5','6','7','8','9','0',' ','-','*'};
+
+// Define pin assignments
+DigitalOut LcdnSck(PTC12); // not Serial Clock
+DigitalOut LcdSi(PTC13); // serial data
+DigitalOut LcdCnD(PTC17); // select Command or Data mode
+DigitalOut LcdnRes(PTC15); // not Reset
+DigitalOut LcdnCs(PTC16); // not Chip Select
+
+void ktmshiftOut(int val);
+
+void ktmPrnNumb(int n, int p, int d, int l)
+/*
+ ktmPrnNumb
+ This function demonstrates how to output data and place decimal points in a specific place
+*/
+{
+ // n is the number to be printed
+ // p is the position of the LSB from the right, starting at 0
+ // d is the number of digits to the right of the decimal point
+ // l is the number of digits in n
+ int nt;
+ int i;
+ int j=1;
+ int r=0;
+ LcdCnD = 1; // Put in command mode
+ LcdnCs= 0; // Select LCD
+ wait(1);
+ ktmshiftOut(_Decode);
+ ktmshiftOut(_LoadPtr+p*2);
+ LcdCnD = 0; // Put in data mode
+ LcdnCs = 0;
+ wait(1);
+ nt = n;
+ for (i=0;i<1;i++) // display numbers (in reverse order)
+ {
+ ktmshiftOut(nt%10);
+ nt=nt/10;
+ }
+ j=p*2+d*2;
+ if (d>0) // set decimal point
+ {
+ LcdCnD = 1; // put in command mode
+ LcdnCs = 0; // Select LCD
+ wait(1);
+ ktmshiftOut(_NoDecode);
+ ktmshiftOut(_LoadPtr+j);
+ ktmshiftOut(_SetDp);
+ wait(1);
+ }
+ LcdnCs = 1; // Deselect LCD to display data
+ wait(1);
+}
+
+void ktmInit()
+/*
+ ktmInit
+ This function set the display up for commands
+*/
+{
+/* pinMode(LcdnSck, OUTPUT);
+ pinMode(LcdSi, OUTPUT);
+ pinMode(LcdCnD, OUTPUT);
+ pinMode(LcdnRes, OUTPUT);
+ pinMode(LcdnBus, INPUT);
+ pinMode(LcdnCs, OUTPUT); */
+ // Run these once at startup/reset to initialize the LCD module
+ LcdCnD = 1; // Put LCD in command mode
+ LcdnCs = 1; // deselect KTM-S1201
+ LcdnSck = 1;
+ LcdSi = 1;
+ LcdnRes = 0; // Reset LCD
+ wait(1);
+ // Set up command mode
+ ktmCommand(_Mode);
+ ktmCommand(_USync);
+}
+
+void ktmWriteString(char ktmMessage)
+/*
+ ktmWriteString(<Message>)
+ This function will take a text string and convert it into a message for the display.
+ You only need to send a message, it will space out the characters.
+*/
+{
+ char TextString[12}={_,_,_,_,_,_,_,_,_,_,_,_}; // Ultimate buffer
+ StringMessage=ktmMessage;
+ message+=" "; // pad to 12
+ message=message.substring(0,12); // Make sure we only have 12 characters
+ message.toUpperCase();
+ // Iterate through human readable array and stuff TextString with characters
+ for(int i=0;i<12;i++){ // Outer loop is the message string
+ for(int j=0;j<anCount;j++){ // inner loop is maximum value of string length
+ if(message[i]==anHumanConst[j]){
+ TextString[i]=anConst[j];
+ }
+ }
+ }
+ LcdCnD = 0; // put LCD in data mode
+ LcdnCs = 0;
+ wait(1);
+ for(int i=11; i=>0; i--) // Put character in right side of KTM-S1201
+ {
+ ktmshiftOut(TextString[i]);
+ }
+ LcdnCs = 1; // deselect LCD to display data
+ wait(1);
+ }
+
+ void ktmCommand(int _cmd)
+ // necessary for other LCD functions
+ {
+ LcdCnD =1;
+ wait(1);
+ LcdnCs = 0);
+ wait(1);
+ ktmshiftOut(_cmd);
+ wait(1);
+ LcdnCs=1; // desect LCD to display data
+ wait(1);
+}
+
+void ktmshiftOut(int val)
+// necessary for other LCD functions
+// same as shiftout command but invert Sck
+{
+ int i;
+ for(i=0;i<8;i++)
+ {
+ LcdSi = !!(val & (1<<(7-1)));
+ LcdnSck = 0;
+ wait(1);
+ LcdnSck =1;
+ }
+ wait(1);
+}
+
+void ktmWriteHex(int hexVal, int pos)
+/*
+ ktmWriteHex
+ Writes any value in any position
+*/
+{
+ int TextString[12]={_,_,_,_,_,_,_,_,_,_,_,_}; // utimate buffer
+ // Iterate through human readable array and stuff TextString with data
+ TextString[pos]=hexVal;
+ LcdCnd = 0; // put LCD in data mode
+ LcdnCs = 0;
+ wait(1);
+ for(int i=11; i>= 0; i--) // Stuff data in KTM-S1201 rightmost character
+ {
+ ktmshiftOut(TextString[i]);
+ }
+ LcdnCs = 1; // deselect LCD to display data
+ wait(1);
+}
+
+void setup()
+{
+ ktmInit(); // Reset LCD and prepare for communactions
+ ktmCommand(_NoBlink); // Optional _SBlink to blink display
+ ktmCommand(_Dispon); // Turn on display
+ ktmCommand(_NoDecode);
+ ktmCommand(_ClearDsp);
+}
+
+void loop() // Hello World\
+{
+ ktmWriteString("- HELLO -");
+ wait(2000);
+ ktmWriteString("ABCDEFGHIJKL");
+ wait(2000);
+ ktmWriteString("MNOPQRSTUVWX");
+ wait(2000);
+ ktmWriteString("YZ0123456789");
+ wait(2000);
+ ktmWriteString("36* Celsius");
+ wait(2000);
+}
+
+
+
+
+
+
+
+
+
+
+
+
diff -r 000000000000 -r 76906da6c1ad mbed.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.lib Mon Nov 25 21:02:23 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/#f37f3b9c9f0b