From 6dac8ae492d4e6c93e6548997696df4a3edb669a Mon Sep 17 00:00:00 2001
From: Michael Wiebusch <m.wiebusch@gsi.de>
Date: Thu, 11 Dec 2014 11:34:10 +0100
Subject: [PATCH] own module for Touchpad

---
 firmware/TM1001A.c     | 42 +++++--------------------
 firmware/TM1001A.h     | 71 ++++++++++++++++++++++++++++++++++++++++++
 firmware/USBtoSerial.c |  4 +--
 firmware/makefile      |  2 +-
 4 files changed, 82 insertions(+), 37 deletions(-)
 create mode 100644 firmware/TM1001A.h

diff --git a/firmware/TM1001A.c b/firmware/TM1001A.c
index 7250b69..48a1f35 100644
--- a/firmware/TM1001A.c
+++ b/firmware/TM1001A.c
@@ -1,3 +1,11 @@
+
+
+
+#include <avr/io.h> 
+#include <stdlib.h>
+#include <util/delay.h>
+#include "TM1001A.h"
+
 // This code is based on the work of Frank H. (franky1969) from the
 // Mikrocontroller.net forum.
 // I modified the code thusly that it runs on an ATMega8 with more than 8 MHz
@@ -13,43 +21,11 @@
 // June 2013
 
 
-// define here the port and the pin where you cave connected
-// the ADB (I/O) line from your TM1001A touchpad
-#define ADB_BIT (1<<1)
-#define ADB_PIN PINB
-#define ADB_POUT PORTB
-#define ADB_PDIR DDRB
-
-// when touchpad is in keypad mode the next two defines set the number
-// of rows and columns of the
-#define PAD_ROWS 2
-#define PAD_COLS 3
-
-
-
-
-
-
-
-
-
-
-
 #define TAKT F_CPU
 
 //Bits Makro
 #define BITS(H,L)  (0b##H ##L)
 
-#define MIN_ABS_X 150
-#define MAX_ABS_X 1450
-#define MIN_ABS_Y 210
-#define MAX_ABS_Y 1130
-
-#define PAD_WIDTH (MAX_ABS_X-MIN_ABS_X)
-#define PAD_HEIGHT (MAX_ABS_Y-MIN_ABS_Y)
-#define PAD_COL_WIDTH (PAD_WIDTH/PAD_COLS)
-#define PAD_ROW_HEIGHT (PAD_HEIGHT/PAD_ROWS)
-
 //Vorteiler Timer 0 und 1 bei 2313, 8515, Mega8 (nicht Timer 2)
 #define TIMER_VT_1_B BITS(0000,0001)  
 #define TIMER_VT_8_B BITS(0000,0010)  
@@ -65,8 +41,6 @@
 
 
 
-typedef unsigned char u08;
-typedef unsigned short int u16;
 
 #define COM_TALK0 BITS(0011,1100) //Adresse 3, Talk, Register0
 #define COM_TALK1 BITS(0011,1101) //Adresse 3, Talk, Register1
diff --git a/firmware/TM1001A.h b/firmware/TM1001A.h
new file mode 100644
index 0000000..ba5de09
--- /dev/null
+++ b/firmware/TM1001A.h
@@ -0,0 +1,71 @@
+// This code is based on the work of Frank H. (franky1969) from the
+// Mikrocontroller.net forum.
+// I modified the code thusly that it runs on an ATMega8 with more than 8 MHz
+// (make use of the counter 0 overflow interrupt to count to numbers greater
+// than 255) and added a set of functions that make your life easy,
+// i.e. spare you the work of crawling through the ADB register documentation yourself.
+//
+// You cannot use counter 0 for any other thing when using the touchpad!
+//
+// Have fun! - Michael W. (acidbourbon)
+//
+// acidbourbon.wordpress.com
+// June 2013
+
+
+// define here the port and the pin where you cave connected
+// the ADB (I/O) line from your TM1001A touchpad
+#define ADB_BIT (1<<1)
+#define ADB_PIN PINB
+#define ADB_POUT PORTB
+#define ADB_PDIR DDRB
+
+// when touchpad is in keypad mode the next two defines set the number
+// of rows and columns of the
+#define PAD_ROWS 2
+#define PAD_COLS 3
+
+
+#define MIN_ABS_X 150
+#define MAX_ABS_X 1450
+#define MIN_ABS_Y 210
+#define MAX_ABS_Y 1130
+
+#define PAD_WIDTH (MAX_ABS_X-MIN_ABS_X)
+#define PAD_HEIGHT (MAX_ABS_Y-MIN_ABS_Y)
+#define PAD_COL_WIDTH (PAD_WIDTH/PAD_COLS)
+#define PAD_ROW_HEIGHT (PAD_HEIGHT/PAD_ROWS)
+
+typedef unsigned char u08;
+typedef unsigned short int u16;
+
+
+ISR( TIMER0_OVF_vect);
+
+uint16_t t0ext(void);
+
+void t0rst(void);
+
+u08 adb(void);
+
+void touchpad_init(void);
+
+uint8_t touchpad_read(void);
+
+void touchpad_set_abs_mode(void);
+
+void touchpad_set_rel_mode_100dpi(void);
+
+void touchpad_set_rel_mode_200dpi(void);
+
+uint8_t z_pressure(void);
+
+uint16_t x_abs(void);
+
+uint16_t y_abs(void);
+
+int8_t delta_y(void);
+
+int8_t delta_x(void);
+
+uint8_t decode_field(void);
diff --git a/firmware/USBtoSerial.c b/firmware/USBtoSerial.c
index a334ba0..685511f 100644
--- a/firmware/USBtoSerial.c
+++ b/firmware/USBtoSerial.c
@@ -33,13 +33,13 @@
  *  Main source file for the USBtoSerial project. This file contains the main tasks of
  *  the project and is responsible for the initial application hardware configuration.
  */
-#define F_CPU 16e6
+// #define F_CPU 16e6
 
 #include <avr/io.h> 
 #include <stdlib.h>
 #include "USBtoSerial.h"
 #include <util/delay.h>
-#include "TM1001A.c"
+#include "TM1001A.h"
 // #include "rfm70.c"
 #include "pins.h"
 #include "leds.c"
diff --git a/firmware/makefile b/firmware/makefile
index 6a9fd09..0bbdfba 100644
--- a/firmware/makefile
+++ b/firmware/makefile
@@ -18,7 +18,7 @@ F_CPU        = 16000000
 F_USB        = $(F_CPU)
 OPTIMIZATION = s
 TARGET       = USBtoSerial
-SRC          = $(TARGET).c Descriptors.c $(LUFA_SRC_USB) $(LUFA_SRC_USBCLASS)
+SRC          = $(TARGET).c Descriptors.c $(LUFA_SRC_USB) $(LUFA_SRC_USBCLASS) TM1001A.c
 LUFA_PATH    = ../LUFA/LUFA-130303/LUFA
 CC_FLAGS     = -DUSE_LUFA_CONFIG_HEADER -IConfig/
 LD_FLAGS     =
-- 
2.43.0