Diff: Components/Display/Display.h

Revision:

56:37d1736bd896

Child:

57:fa4c622b04a7

diff -r a37f407230ca -r 37d1736bd896 Components/Display/Display.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Components/Display/Display.h	Mon Mar 13 17:57:03 2017 +0100
@@ -0,0 +1,345 @@
+/**
+ ******************************************************************************
+ * @file    Display.h
+ * @author  AST / EST
+ * @version V0.0.1
+ * @date    14-April-2015
+ * @brief   Header file for display
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *   1. Redistributions of source code must retain the above copyright notice,
+ *      this list of conditions and the following disclaimer.
+ *   2. Redistributions in binary form must reproduce the above copyright notice,
+ *      this list of conditions and the following disclaimer in the documentation
+ *      and/or other materials provided with the distribution.
+ *   3. Neither the name of STMicroelectronics nor the names of its contributors
+ *      may be used to endorse or promote products derived from this software
+ *       without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+*/
+
+
+#ifndef __DISPLAY_H
+#define __DISPLAY_H
+
+
+/* Includes ------------------------------------------------------------------*/
+
+#include "mbed.h"
+#include "Stmpe1600.h"
+#include "DevI2C.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define DP  (1<<7)
+#define NOT_7_NO_DP( ... ) (uint8_t) ~( __VA_ARGS__ + DP )
+#define S0 (1<<0)
+#define S1 (1<<1)
+#define S2 (1<<2)
+#define S3 (1<<3)
+#define S4 (1<<4)
+#define S5 (1<<5)
+#define S6 (1<<6)
+
+#ifndef __cpluplus  
+/* refer to http://www.twyman.org.uk/Fonts/ */
+static const uint8_t ascii_to_display_lut[256]={
+	0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,
+	[32]=           0,
+	0,0,0,0,0,0,0,0,
+	0,
+	[42]=           NOT_7_NO_DP(),
+	0,0,
+	[45]=           S6,
+	0,0,
+	[48]=           NOT_7_NO_DP(S6),
+	[49]=           S1+S2,
+	[50]=           S0+S1+S6+S4+S3,
+	[51]=           NOT_7_NO_DP(S4+S5),
+	[52]=           S5+S1+S6+S2,
+	[53]=           NOT_7_NO_DP(S1+S4),
+	[54]=           NOT_7_NO_DP(S1),
+	[55]=           S0+S1+S2,
+	[56]=           NOT_7_NO_DP(0),
+	[57]=           NOT_7_NO_DP(S4),
+	0,0,0,
+	[61]=           S3+S6,
+	0,
+	[63]=           NOT_7_NO_DP(S5+S3+S2),
+	[64]=           S0+S3,
+	[65]=           NOT_7_NO_DP(S3),
+	[66]=           NOT_7_NO_DP(S0+S1), /* as b  */
+	[67]=           S0+S3+S4+S5, // same as [
+	[68]=           S0+S3+S4+S5, // same as [ DUMMY
+	[69]=           NOT_7_NO_DP(S1+S2),
+	[70]=           S6+S5+S4+S0,
+	[71]=           NOT_7_NO_DP(S4), /* same as 9 */
+	[72]=           NOT_7_NO_DP(S0+S3),
+	[73]=           S1+S2,
+	[74]=           S1+S2+S3+S4,
+	[75]=           NOT_7_NO_DP(S0+S3), /* same as H */
+	[76]=           S3+S4+S5,
+	[77]=           S0+S4+S2, /* same as  m*/
+	[78]=           S2+S4+S6, /* same as n*/
+	[79]=           NOT_7_NO_DP(S6),
+	[80]=           S0+S1+S2+S5+S6, // sames as 'q'
+	[81]=           NOT_7_NO_DP(S3+S2),
+	[82]=           S4+S6,
+	[83]=           NOT_7_NO_DP(S1+S4), /* sasme as 5 */
+	[84]=           NOT_7_NO_DP(S0+S1+S2), /* sasme as t */
+	[85]=           NOT_7_NO_DP(S6+S0),
+	[86]=           S4+S3+S2, // is u but u use U
+	[87]=           S1+S3+S5,
+	[88]=           NOT_7_NO_DP(S0+S3), // similar to H
+	[89]=           NOT_7_NO_DP(S0+S4),
+	[90]=           S0+S1+S6+S4+S3, // same as 2
+	[91]=           S0+S3+S4+S5,
+	0,
+	[93]=           S0+S3+S2+S1,
+	[94]=           S0, /* use as top bar */
+	[95]=           S3,	
+	0,
+	[97]=           S2+ S3+ S4+ S6 ,
+	[98]=           NOT_7_NO_DP(S0+S1),
+	[99]=           S6+S4+S3,
+	[100]=           NOT_7_NO_DP(S0+S5),
+	[101]=           NOT_7_NO_DP(S2),
+	[102]=           S6+S5+S4+S0, /* same as F */
+	[103]=           NOT_7_NO_DP(S4), /* same as 9 */
+	[104]=           S6+S5+S4+S2,
+	[105]=           S4,
+	[106]=           S1+S2+S3+S4,
+	[107]=           S6+S5+S4+S2, /* a h */
+	[108]=           S3+S4,
+	[109]=           S0+S4+S2, /* same as  */
+	[110]=           S2+S4+S6,
+	[111]=           S6+S4+S3+S2,
+	[112]=           NOT_7_NO_DP(S3+S2), // same as P
+	[113]=           S0+S1+S2+S5+S6,
+	[114]=           S4+S6,
+	[115]=           NOT_7_NO_DP(S1+S4),
+	[116]=           NOT_7_NO_DP(S0+S1+S2),
+	[117]=           S4+S3+S2+S5+S1, // U
+	[118]=           S4+S3+S2, // is u but u use U
+	[119]=           S1+S3+S5,
+	[120]=           NOT_7_NO_DP(S0+S3), // similar to H
+	[121]=           NOT_7_NO_DP(S0+S4),
+	[122]=           S0+S1+S6+S4+S3, // same as 2
+	0,0,0,
+	[126]=           S0+S3+S6 /* 3 h bar */
+};
+#else 
+/* refer to http://www.twyman.org.uk/Fonts/ */
+static const uint8_t ascii_to_display_lut[256]={
+      [' ']=           0,
+      ['-']=           S6,
+      ['_']=           S3,
+      ['=']=           S3+S6,
+      ['~']=           S0+S3+S6, /* 3 h bar */
+      ['^']=           S0, /* use as top bar */
+
+      ['?']=           NOT_7_NO_DP(S5+S3+S2),
+      ['*']=           NOT_7_NO_DP(),
+      ['[']=           S0+S3+S4+S5,
+      [']']=           S0+S3+S2+S1,
+      ['@']=           S0+S3,
+
+      ['0']=           NOT_7_NO_DP(S6),
+      ['1']=           S1+S2,
+      ['2']=           S0+S1+S6+S4+S3,
+      ['3']=           NOT_7_NO_DP(S4+S5),
+      ['4']=           S5+S1+S6+S2,
+      ['5']=           NOT_7_NO_DP(S1+S4),
+      ['6']=           NOT_7_NO_DP(S1),
+      ['7']=           S0+S1+S2,
+      ['8']=           NOT_7_NO_DP(0),
+      ['9']=           NOT_7_NO_DP(S4),
+    
+      ['a']=           S2+ S3+ S4+ S6 ,
+      ['b']=           NOT_7_NO_DP(S0+S1),
+      ['c']=           S6+S4+S3,
+      ['d']=           NOT_7_NO_DP(S0+S5),
+      ['e']=           NOT_7_NO_DP(S2),
+      ['f']=           S6+S5+S4+S0, /* same as F */
+      ['g']=           NOT_7_NO_DP(S4), /* same as 9 */
+      ['h']=           S6+S5+S4+S2,
+      ['i']=           S4,
+      ['j']=           S1+S2+S3+S4,
+      ['k']=           S6+S5+S4+S2, /* a h */
+      ['l']=           S3+S4,
+      ['m']=           S0+S4+S2, /* same as  */
+      ['n']=           S2+S4+S6,
+      ['o']=           S6+S4+S3+S2,
+      ['p']=           NOT_7_NO_DP(S3+S2), // same as P
+      ['q']=           S0+S1+S2+S5+S6,
+      ['r']=           S4+S6,
+      ['s']=           NOT_7_NO_DP(S1+S4),
+      ['t']=           NOT_7_NO_DP(S0+S1+S2),
+      ['u']=           S4+S3+S2+S5+S1, // U
+      ['v']=           S4+S3+S2, // is u but u use U
+      ['w']=           S1+S3+S5,
+      ['x']=           NOT_7_NO_DP(S0+S3), // similar to H
+      ['y']=           NOT_7_NO_DP(S0+S4),
+      ['z']=           S0+S1+S6+S4+S3, // same as 2
+      
+      ['A']=           NOT_7_NO_DP(S3),
+      ['B']=           NOT_7_NO_DP(S0+S1), /* as b  */
+      ['C']=           S0+S3+S4+S5, // same as [
+      ['E']=           NOT_7_NO_DP(S1+S2),
+      ['F']=           S6+S5+S4+S0,
+      ['G']=           NOT_7_NO_DP(S4), /* same as 9 */
+      ['H']=           NOT_7_NO_DP(S0+S3),
+      ['I']=           S1+S2,
+      ['J']=           S1+S2+S3+S4,
+      ['K']=           NOT_7_NO_DP(S0+S3), /* same as H */
+      ['L']=           S3+S4+S5,
+      ['M']=           S0+S4+S2, /* same as  m*/
+      ['N']=           S2+S4+S6, /* same as n*/
+      ['O']=           NOT_7_NO_DP(S6),
+      ['P']=           S0+S1+S2+S5+S6, // sames as 'q'
+      ['Q']=           NOT_7_NO_DP(S3+S2),
+      ['R']=           S4+S6,
+      ['S']=           NOT_7_NO_DP(S1+S4), /* sasme as 5 */
+      ['T']=           NOT_7_NO_DP(S0+S1+S2), /* sasme as t */
+      ['U']=           NOT_7_NO_DP(S6+S0),
+      ['V']=           S4+S3+S2, // is u but u use U
+      ['W']=           S1+S3+S5,
+      ['X']=           NOT_7_NO_DP(S0+S3), // similar to H
+      ['Y']=           NOT_7_NO_DP(S0+S4),
+      ['Z']=           S0+S1+S6+S4+S3 // same as 2
+};
+#endif
+
+#undef S0
+#undef S1
+#undef S2
+#undef S3
+#undef S4
+#undef S5
+#undef S6
+#undef DP
+
+#define DISPLAY_DELAY   1  // in mSec 		
+
+/* Classes -------------------------------------------------------------------*/
+/** Class representing Display
+ */ 
+
+class Display
+{
+public:
+     /** Constructor
+     * @param[in] &stmpe_1600 device handler to be used for display control
+     */    
+    Display(STMPE1600 &stmpe_1600) : stmpe1600(stmpe_1600) {
+	    stmpe1600.setGPIOdir (GPIO_7,  OUTPUT);  // Digit1	 
+	    stmpe1600.setGPIOdir (GPIO_8,  OUTPUT);  // Digit2	 
+	    stmpe1600.setGPIOdir (GPIO_9,  OUTPUT);  // Digit3	 
+	    stmpe1600.setGPIOdir (GPIO_10, OUTPUT);  // Digit4	 	 
+	 
+	    stmpe1600.setGPIOdir (GPIO_0,  OUTPUT);  // SegmentA	 	 	 
+	    stmpe1600.setGPIOdir (GPIO_1,  OUTPUT);  // SegmentB	 	 	 
+	    stmpe1600.setGPIOdir (GPIO_2,  OUTPUT);  // SegmentC	 	 
+	    stmpe1600.setGPIOdir (GPIO_3,  OUTPUT);  // SegmentD	 	 
+	    stmpe1600.setGPIOdir (GPIO_4,  OUTPUT);  // SegmentE	 	 
+	    stmpe1600.setGPIOdir (GPIO_5,  OUTPUT);  // SegmentF	 	 
+	    stmpe1600.setGPIOdir (GPIO_6,  OUTPUT);  // SegmentG	 	 	  	 
+    }
+     
+	/*** Interface Methods ***/
+	/**
+	 * @brief       Print the string on display
+	 * @param[in]   String to be printed
+	 * @param[in]   String lenght [min 1, max 4]
+	 * @return      void
+	 */				
+    void display_string (char str[4], char strlen)
+    {
+        int i, dgt;
+        const char *pc;
+        uint8_t data[2];
+        uint16_t *pdata = (uint16_t*)data;				
+			
+        for (i=0, dgt=4-strlen, pc=str; i<strlen && *pc!=0; i++, pc++, dgt++) {
+			_V2_Set7Segment( ascii_to_display_lut[(uint8_t)*pc], dgt);
+			if ( (pc+1)== '.') {
+				pc++;
+			}
+			wait_ms(DISPLAY_DELAY);					
+			stmpe1600.read_16_bit_reg(GPSR_0_7, pdata);
+			*pdata = *pdata | (uint16_t)0x0780;				// all digits off
+			stmpe1600.write_16_bit_reg(GPSR_0_7, pdata);
+       	}
+   	}
+	 
+	/**
+	 * @brief       Print the digit on display
+	 * @param[in]   Digit value to be printed
+	 * @param[in]   Digit to be used [min 0, max 3]
+	 * @return      void
+	 */				 
+    void DisplayDigit (char *val, char dgt)	
+    {
+        uint8_t data[2];
+        uint16_t *pdata = (uint16_t*)data;		
+			
+	    stmpe1600.read_16_bit_reg(GPSR_0_7, pdata);
+        *pdata = *pdata | (uint16_t)0x0780;				// all digits off
+	    stmpe1600.write_16_bit_reg(GPSR_0_7, pdata);
+        _V2_Set7Segment( ascii_to_display_lut[(uint8_t)*val], dgt);						
+    }		
+		
+private:		
+    void _V2_Set7Segment( int Leds, int digit )
+    {
+        //Digits_off();
+        uint16_t dgt;
+        dgt = 1<<digit;
+        dgt = ((uint16_t)dgt)<<7;
+        dgt = ~dgt;	
+        uint8_t data[2];
+        uint16_t *pdata = (uint16_t*)data;			 
+
+		 
+        /* set the exppinname state to lvl */
+	    stmpe1600.read_16_bit_reg(GPSR_0_7, pdata);
+        *pdata = *pdata  | (uint16_t)0x007F;      // 7 segments off
+	    stmpe1600.write_16_bit_reg(GPSR_0_7, pdata);
+		 
+        int mask=1;
+        for (int i=0; i<7; i++) { 
+            if (Leds & mask) *pdata = *pdata & ~(uint16_t)mask;  
+            mask = mask<<1;
+        }		 
+        *pdata = *pdata & dgt;
+	    stmpe1600.write_16_bit_reg(GPSR_0_7, pdata);
+    }				
+	STMPE1600 &stmpe1600;
+};
+
+#ifdef __cplusplus
+}
+#endif
+#endif // __DISPLAY_H