SCLD peripheral of the KL46Z - with sign "-" just for USB Academy
Dependents: KL46Z-Lab2_lodz KL46Z-Lab2_fullll KL46Z-Lab2_szkolenie kL46Z-Lab3-lodz ... more
Fork of SLCD by
Revision 0:d04758e76d5b, committed 2014-01-14
- Comitter:
- Sissors
- Date:
- Tue Jan 14 07:00:15 2014 +0000
- Child:
- 1:1579bcd31410
- Commit message:
- v0.01
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FRDM-s401.h Tue Jan 14 07:00:15 2014 +0000 @@ -0,0 +1,129 @@ +#ifndef __FRDM_S401_H_ +#define __FRDM_S401_H_ +/*^^^^^^^^^^^^^^^^ LCD HARDWARE CONECTION ^^^^^^^^^^^^^^^^^^^^^^^^*/ +#define _LCDFRONTPLANES (8) // # of frontPlanes +#define _LCDBACKPLANES (4) // # of backplanes + +/* + LCD logical organization definition + This section indicate how the LCD is distributed how many characteres of (7-seg, 14,seg, 16 seg, or colums in case of Dot Matrix) does it contain + First character is forced only one can be written + +*/ +// HARDWARE_CONFIG Changing LCD pins Allows to verify all LCD pins easily +// if HARDWARE_CONFIG == 0 FRDM-KL46 RevB +// if HARDWARE_CONFIG == 1 FRDM-KL46 RevA +#ifdef FRDM_REVA +#define HARDWARE_CONFIG 1 +#else +#define HARDWARE_CONFIG 0 +#endif + +#define _CHARNUM (4) //number of chars that can be written +#define _CHAR_SIZE (2) // Used only when Dot Matrix is used +#define _LCDTYPE (2) //indicate how many LCD_WF are required to write a single Character / or Column in case of DOT matrix LCD + +/* + Following definitions indicate how characters are associated to waveform +*/ +/* Hardware configuration */ +#if HARDWARE_CONFIG == 0 +#undef DOT_MATRIX + +// LCD PIN1 to LCDWF0 Rev B +#define CHAR1a 37 // LCD Pin 5 +#define CHAR1b 17 // LCD Pin 6 +#define CHAR2a 7 // LCD Pin 7 +#define CHAR2b 8 // LCD Pin 8 +#define CHAR3a 53 // LCD Pin 9 +#define CHAR3b 38 // LCD Pin 10 +#define CHAR4a 10 // LCD Pin 11 +#define CHAR4b 11 // LCD Pin 12 +#define CHARCOM0 40 // LCD Pin 1 +#define CHARCOM1 52 // LCD Pin 2 +#define CHARCOM2 19 // LCD Pin 3 +#define CHARCOM3 18 // LCD Pin 4 + +/*Special Symbols */ +#define SPECIAL_SYMBOL_COUNT 4 + +#define _LCD_DP1_ON() SymbolON(17,0) +#define _LCD_DP2_ON() SymbolON(8,0) +#define _LCD_DP3_ON() SymbolON(38,0) +#define _LCD_COL_ON() SymbolON(11,0) + +#define _LCD_DP1_OFF() SymbolOFF(17,0) +#define _LCD_DP2_OFF() SymbolOFF(8,0) +#define _LCD_DP3_OFF() SymbolOFF(38,0) +#define _LCD_COL_OFF() SymbolOFF(11,0) + +// LCD PIN1 to LCDWF2 for FRDM-KL46Z +#elif HARDWARE_CONFIG == 1 +#define CHAR1a 37 // LCD Pin 5 +#define CHAR1b 17 // LCD Pin 6 +#define CHAR2a 7 // LCD Pin 7 +#define CHAR2b 8 // LCD Pin 8 +#define CHAR3a 12 // LCD Pin 9 +#define CHAR3b 26 // LCD Pin 10 +#define CHAR4a 10 // LCD Pin 11 +#define CHAR4b 11 // LCD Pin 12 +#define CHARCOM0 51 // LCD Pin 1 +#define CHARCOM1 52 // LCD Pin 2 +#define CHARCOM2 19 // LCD Pin 3 +#define CHARCOM3 16 // LCD Pin 4 + +#define SPECIAL_SYMBOL_COUNT 4 + + +#define _LCD_DP1_ON() SymbolON(17,0) +#define _LCD_DP2_ON() SymbolON(8,0) +#define _LCD_DP3_ON() SymbolON(26,0) +#define _LCD_COL_ON() SymbolON(11,0) + +#define _LCD_DP1_OFF() SymbolOFF(17,0) +#define _LCD_DP2_OFF() SymbolOFF(8,0) +#define _LCD_DP3_OFF() SymbolOFF(26,0) +#define _LCD_COL_OFF() SymbolOFF(11,0) + + + +#endif + + +/*Ascii Codification table information */ +#define ASCCI_TABLE_START '0' // indicates which is the first Ascii character in the table +#define ASCCI_TABLE_END 'Z' // indicates which is the first Ascii character in the table +#define BLANK_CHARACTER '>' // Indicate which ASCII character is a blank character (depends on ASCII table) + +#define _ALLON 0xFF // Used for ALL_on function + +#define SEGDP 0x01 +#define SEGC 0x02 +#define SEGB 0x04 +#define SEGA 0x08 + +#define SEGD 0x01 +#define SEGE 0x02 +#define SEGG 0x04 +#define SEGF 0x08 + + +/* Fault detect initial limits */ + +/* Fault detect initial parameters and limits */ +#define FAULTD_FP_FDPRS FDPRS_32 +#define FAULTD_FP_FDSWW FDSWW_128 +#define FAULTD_BP_FDPRS FDPRS_64 +#define FAULTD_BP_FDSWW FDSWW_128 + +#define FAULTD_FP_HI 127 +#define FAULTD_FP_LO 110 +#define FAULTD_BP_HI 127 +#define FAULTD_BP_LO 110 +#define FAULTD_TIME 6 + +extern const uint8_t WF_ORDERING_TABLE[]; // Logical Front plane N to LCD_WFx +extern const char ASCII_TO_WF_CODIFICATION_TABLE[]; // ASCII to 7x5 Dot Matrix + +#endif /* __FRDM_S401_H_ */ +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LCD_config.h Tue Jan 14 07:00:15 2014 +0000 @@ -0,0 +1,188 @@ +#ifndef __LCDConfig_H_ +#define __LCDConfig_H_ + +#include "FRDM-s401.h" // 4x7 segdisplay + + +#if 1 // VREF to VLL1 +/* Following configuration is used for LCD default initialization */ +#define _LCDRVEN (1) // +#define _LCDRVTRIM (8) // CPSEL = 1 0 -- 8000 pf 1 -- 6000 pf 2 -- 4000 pf 3 -- 2000 pf +#define _LCDCPSEL (1) // charge pump select 0 or 1 +#define _LCDLOADADJUST (3) // CPSEL = 1 0 -- 8000 pf 1 -- 6000 pf 2 -- 4000 pf 3 -- 2000 pf +#define _LCDALTDIV (0) // CPSEL = 1 0 -- 8000 pf 1 -- 6000 pf 2 -- 4000 pf 3 -- 2000 pf +#define _LCDALRCLKSOURCE (0) // 0 -- External clock 1 -- Alternate clock + +#define _LCDCLKPSL (0) // Clock divider to generate the LCD Waveforms +#define _LCDSUPPLY (1) +#define _LCDHREF (0) // 0 or 1 +#define _LCDCLKSOURCE (1) // 0 -- External clock 1 -- Alternate clock +#define _LCDLCK (1) //Any number between 0 and 7 +#define _LCDBLINKRATE (3) //Any number between 0 and 7 + + +#else //VLL3 to VDD internally +/* Following configuration is used for LCD default initialization */ +#define _LCDCLKSOURCE (1) // 0 -- External clock 1 -- Alternate clock +#define _LCDALRCLKSOURCE (0) // 0 -- External clock 1 -- Alternate clock +#define _LCDCLKPSL (0) // Clock divider to generate the LCD Waveforms +#define _LCDSUPPLY (0) +#define _LCDLOADADJUST (3) // CPSEL = 1 0 -- 8000 pf 1 -- 6000 pf 2 -- 4000 pf 3 -- 2000 pf +#define _LCDALTDIV (0) // CPSEL = 1 0 -- 8000 pf 1 -- 6000 pf 2 -- 4000 pf 3 -- 2000 pf +#define _LCDRVTRIM (0) // CPSEL = 1 0 -- 8000 pf 1 -- 6000 pf 2 -- 4000 pf 3 -- 2000 pf +#define _LCDHREF (0) // 0 or 1 +#define _LCDCPSEL (1) // 0 or 1 +#define _LCDRVEN (0) // +#define _LCDBLINKRATE (3) //Any number between 0 and 7 +#define _LCDLCK (0) //Any number between 0 and 7 + +#endif + + + + +/*~|~|~|~|~|~|~|~|~|~|~|~|~|~ LCD Control Register 0 ~|~|~|~|~|~|~|~|~|~|~|~|~*/ +/*~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|*/ +#define _LCDINTENABLE (1) + +/*~|~|~|~|~|~|~|~|~|~|~|~|~|~ LCD Control Register 1 ~|~|~|~|~|~|~|~|~|~|~|~|~|*/ +/*~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|*/ +#define _LCDFRAMEINTERRUPT (0) //0 Disable Frame Frequency Interrupt + //1 Enable an LCD interrupt that coincides with the LCD frame frequency +#define _LCDFULLCPLDIRIVE (0) // 0 GPIO shared with the LCD. Inputs levels and internal pullup reference to VDD + // 1 If VSUPPLY=11and RVEN=0. Inputs levels and internal pullup reference to VLL3 +#define _LCDWAITMODE (0) // 0 Allows the LCD driver and charge pump to continue running during wait mode + // 1 Disable the LCD when the MCU goes into wait mode +#define _LCDSTOPMODE (0) // 0 Allows the LCD driver and charge pump to continue running during stop2 or stop3 + + // 1 Disable the LCD when and charge pump when the MCU goes into stop2 or stop3 + +/*~|~|~|~|~|~|~|~|~|~|~|~|~|~ LCD Voltage Supply Register ~|~|~|~|~|~|~|~|~|~|~|~*/ +/*~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|*/ +#define _LCDHIGHREF (0) //0 Divide input VIREG=1.0v + //1 Do not divide the input VIREG=1.67v +#define _LCDBBYPASS (0) //Determines whether the internal LCD op amp buffer is bypassed + //0 Buffered mode + //1 Unbuffered mode + +/*~|~|~|~|~|~|~|~|~|~|~|~|~|~ LCD Regulated Voltage Control |~|~|~|~|~|~|~|~|~|~*/ +/*~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|*/ +#define _LCDCONTRAST (1) //Contrast by software 0 -- Disable 1-- Enable +#define _LVLCONTRAST (0) //Any number between 0 and 15, if the number is bigger the glass get darker + +/*~|~|~|~|~|~|~|~|~|~|~|~|~|~ LCD Blink Control Register ~|~|~|~|~|~|~|~|~|~|~|~*/ +/*~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|*/ +#define _LCDBLINKCONTROL (0) //0 Disable blink mode + //1 Enable blink mode +#define _LCDALTMODE (0) //0 Normal display + //1 Alternate display for 4 backplanes or less the LCD backplane sequencer changes to otuput an alternate display +#define _LCDBLANKDISP (0) //0 Do not blank display + //1 Blank display if you put it in 0 the text before blank is manteined +#define _LCDBLINKMODE (0) //0 Display blank during the blink period + //1 Display alternate displat during blink period (Ignored if duty is 5 or greater) + + +//Calculated values +#define _LCDUSEDPINS (_LCDFRONTPLANES + _LCDBACKPLANES) +#define _LCDDUTY (_LCDBACKPLANES-1) //Any number between 0 and 7 +#define LCD_WF_BASE LCD_WF3TO0 + +// General definitions used by the LCD library +#define SymbolON(LCDn,bit) *((uint8 *)&LCD_WF_BASE + LCDn) |= (1<<(bit)) +#define SymbolOFF(LCDn,bit) *((uint8 *)&LCD_WF_BASE + LCDn) &= ~(1<<(bit)) +//#define LCD_WF(x) *((uint8 *)&LCD_WF_BASE + x) + +/*LCD Fault Detections Consts*/ +#define FP_TYPE 0x00 // pin is a Front Plane +#define BP_TYPE 0x80 // pin is Back Plane + +// Fault Detect Preescaler Options +#define FDPRS_1 0 +#define FDPRS_2 1 +#define FDPRS_4 2 +#define FDPRS_8 3 +#define FDPRS_16 4 +#define FDPRS_32 5 +#define FDPRS_64 6 +#define FDPRS_128 7 + +// Fault Detect Sample Window Width Values +#define FDSWW_4 0 +#define FDSWW_8 1 +#define FDSWW_16 2 +#define FDSWW_32 3 +#define FDSWW_64 4 +#define FDSWW_128 5 +#define FDSWW_256 6 +#define FDSWW_512 7 + +/* + Mask Bit definitions used f +*/ +#define mBIT0 1 +#define mBIT1 2 +#define mBIT2 4 +#define mBIT3 8 +#define mBIT4 16 +#define mBIT5 32 +#define mBIT6 64 +#define mBIT7 128 +#define mBIT8 256 +#define mBIT9 512 +#define mBIT10 1024 +#define mBIT11 2048 +#define mBIT12 4096 +#define mBIT13 8192 +#define mBIT14 16384 +#define mBIT15 32768 +#define mBIT16 65536 +#define mBIT17 131072 +#define mBIT18 262144 +#define mBIT19 524288 +#define mBIT20 1048576 +#define mBIT21 2097152 +#define mBIT22 4194304 +#define mBIT23 8388608 +#define mBIT24 16777216 +#define mBIT25 33554432 +#define mBIT26 67108864 +#define mBIT27 134217728 +#define mBIT28 268435456 +#define mBIT29 536870912 +#define mBIT30 1073741824 +#define mBIT31 2147483648 + +#define mBIT32 1 +#define mBIT33 2 +#define mBIT34 4 +#define mBIT35 8 +#define mBIT36 16 +#define mBIT37 32 +#define mBIT38 64 +#define mBIT39 128 +#define mBIT40 256 +#define mBIT41 512 +#define mBIT42 1024 +#define mBIT43 2048 +#define mBIT44 4096 +#define mBIT45 8192 +#define mBIT46 16384 +#define mBIT47 32768 +#define mBIT48 65536 +#define mBIT49 131072 +#define mBIT50 262144 +#define mBIT51 524288 +#define mBIT52 1048576 +#define mBIT53 2097152 +#define mBIT54 4194304 +#define mBIT55 8388608 +#define mBIT56 16777216 +#define mBIT57 33554432 +#define mBIT58 67108864 +#define mBIT59 134217728 +#define mBIT60 268435456 +#define mBIT61 536870912 +#define mBIT62 1073741824 +#define mBIT63 2147483648 + +#endif /* __LCDConfig_H_ */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SLCD.cpp Tue Jan 14 07:00:15 2014 +0000 @@ -0,0 +1,190 @@ +#include "SLCD.h" +#include "LCD_config.h" + + +const uint8_t WF_ORDERING_TABLE[ ] = +{ + CHAR1a, // LCD81 --- Pin:5 LCDnAddress=51 + CHAR1b, // LCD82 --- Pin:6 LCDnAddress=52 + CHAR2a, // LCD83 --- Pin:7 LCDnAddress=53 + CHAR2b, // LCD84 --- Pin:8 LCDnAddress=54 + CHAR3a, // LCD85 --- Pin:9 LCDnAddress=55 + CHAR3b, // LCD86 --- Pin:10 LCDnAddress=56 + CHAR4a, // LCD87 --- Pin:11 LCDnAddress=57 + CHAR4b, // LCD88 --- Pin:12 LCDnAddress=58 + CHARCOM0, // LCD77 --- Pin:1 LCDnAddress=4D + CHARCOM1, // LCD78 --- Pin:2 LCDnAddress=4E + CHARCOM2, // LCD79 --- Pin:3 LCDnAddress=4F + CHARCOM3, // LCD80 --- Pin:4 LCDnAddress=50 +}; + +const char ASCII_TO_WF_CODIFICATION_TABLE [ ] = +{ +( SEGD+ SEGE+ SEGF+!SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = 0, offset=0 +(!SEGD+!SEGE+!SEGF+!SEGG) , ( SEGC+ SEGB+!SEGA) ,//Char = 1, offset=4 +( SEGD+ SEGE+!SEGF+ SEGG) , (!SEGC+ SEGB+ SEGA) ,//Char = 2, offset=8 +( SEGD+!SEGE+!SEGF+ SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = 3, offset=12 +(!SEGD+!SEGE+ SEGF+ SEGG) , ( SEGC+ SEGB+!SEGA) ,//Char = 4, offset=16 +( SEGD+!SEGE+ SEGF+ SEGG) , ( SEGC+!SEGB+ SEGA) ,//Char = 5, offset=20 +( SEGD+ SEGE+ SEGF+ SEGG) , ( SEGC+!SEGB+ SEGA) ,//Char = 6, offset=24 +(!SEGD+!SEGE+!SEGF+!SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = 7, offset=28 +( SEGD+ SEGE+ SEGF+ SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = 8, offset=32 +( SEGD+!SEGE+ SEGF+ SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = 9, offset=36 +(!SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = :, offset=40 +(!SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = ;, offset=44 +(!SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = <, offset=48 +( SEGD+!SEGE+!SEGF+ SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = =, offset=52 +(!SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = >, offset=56 +(!SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = ?, offset=60 +( SEGD+ SEGE+ SEGF+ SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = @, offset=64 +(!SEGD+ SEGE+ SEGF+ SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = A, offset=68 +( SEGD+ SEGE+ SEGF+ SEGG) , ( SEGC+!SEGB+!SEGA) ,//Char = B, offset=72 +( SEGD+ SEGE+ SEGF+!SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = C, offset=76 +( SEGD+ SEGE+!SEGF+ SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = D, offset=80 +( SEGD+ SEGE+ SEGF+ SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = E, offset=84 +(!SEGD+ SEGE+ SEGF+ SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = F, offset=88 +( SEGD+ SEGE+ SEGF+ SEGG) , ( SEGC+!SEGB+ SEGA) ,//Char = G, offset=92 +(!SEGD+ SEGE+ SEGF+ SEGG) , ( SEGC+ SEGB+!SEGA) ,//Char = H, offset=96 +(!SEGD+!SEGE+!SEGF+!SEGG) , ( SEGC+!SEGB+!SEGA) ,//Char = I, offset=100 +( SEGD+ SEGE+!SEGF+!SEGG) , ( SEGC+ SEGB+!SEGA) ,//Char = J, offset=104 +(!SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = K, offset=108 +( SEGD+ SEGE+ SEGF+!SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = L, offset=112 +(!SEGD+ SEGE+ SEGF+!SEGG) , ( SEGC+ SEGB+!SEGA) ,//Char = M, offset=116 +(!SEGD+ SEGE+!SEGF+ SEGG) , ( SEGC+!SEGB+!SEGA) ,//Char = N, offset=120 +( SEGD+ SEGE+!SEGF+ SEGG) , ( SEGC+!SEGB+!SEGA) ,//Char = O, offset=124 +(!SEGD+ SEGE+ SEGF+ SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = P, offset=128 +( SEGD+!SEGE+ SEGF+ SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = Q, offset=132 +(!SEGD+ SEGE+ SEGF+ SEGG) , (!SEGC+ SEGB+ SEGA) ,//Char = R, offset=136 +( SEGD+!SEGE+ SEGF+ SEGG) , ( SEGC+!SEGB+ SEGA) ,//Char = S, offset=140 +( SEGD+ SEGE+ SEGF+ SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = T, offset=144 +( SEGD+ SEGE+ SEGF+!SEGG) , ( SEGC+ SEGB+!SEGA) ,//Char = U, offset=148 +(!SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = V, offset=152 +(!SEGD+ SEGE+ SEGF+!SEGG) , ( SEGC+ SEGB+!SEGA) ,//Char = W, offset=156 +(!SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = X, offset=160 +(!SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = Y, offset=164 +( SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = Z, offset=168 +( SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = [, offset=172 +( SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = \, offset=176 +( SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = ], offset=180 +( SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = ^, offset=184 +( SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = _, offset=188 +( SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = `, offset=192 +}; + +SLCD::SLCD() { + init(); + bLCD_CharPosition = 0; + +} + + +void SLCD::init(){ + SIM->SCGC5 |= SIM_SCGC5_SLCD_MASK | SIM_SCGC5_PORTB_MASK | SIM_SCGC5_PORTC_MASK | SIM_SCGC5_PORTD_MASK | SIM_SCGC5_PORTE_MASK; + + //* configure pins for LCD operation + PORTC->PCR[20] = 0x00000000; //VLL2 + PORTC->PCR[21] = 0x00000000; //VLL1 + PORTC->PCR[22] = 0x00000000; //VCAP2 + PORTC->PCR[23] = 0x00000000; //VCAP1 + + + + // Enable IRCLK + MCG->C1 = MCG_C1_IRCLKEN_MASK | MCG_C1_IREFSTEN_MASK; + MCG->C2 &= ~MCG_C2_IRCS_MASK ; //0 32KHZ internal reference clock; 1= 4MHz irc + + LCD->GCR = 0x0; + LCD->AR = 0x0; + +/* LCD configurartion according to */ + LCD->GCR = ( LCD_GCR_RVEN_MASK*_LCDRVEN + | LCD_GCR_RVTRIM(_LCDRVTRIM) //0-15 + | LCD_GCR_CPSEL_MASK*_LCDCPSEL + | LCD_GCR_LADJ(_LCDLOADADJUST) //0-3*/ + | LCD_GCR_VSUPPLY_MASK*_LCDSUPPLY //0-1*/ + |!LCD_GCR_FDCIEN_MASK + | LCD_GCR_ALTDIV(_LCDALTDIV) //0-3 + |!LCD_GCR_LCDDOZE_MASK + |!LCD_GCR_LCDSTP_MASK + |!LCD_GCR_LCDEN_MASK //WILL BE ENABLE ON SUBSEQUENT STEP + | LCD_GCR_SOURCE_MASK*_LCDCLKSOURCE + | LCD_GCR_ALTSOURCE_MASK*_LCDALRCLKSOURCE + | LCD_GCR_LCLK(_LCDLCK) //0-7 + | LCD_GCR_DUTY(_LCDDUTY) //0-7 + ); + + vfnEnablePins(); // Enable LCD pins and Configure BackPlanes + LCD->GCR |= LCD_GCR_LCDEN_MASK; +} + +void SLCD::vfnEnablePins (void) + { + uint8_t i; + uint32_t *p_pen; + uint8_t pen_offset; // 0 or 1 + uint8_t pen_bit; //0 to 31 + + LCD->PEN[0] = 0x0; + LCD->PEN[1] = 0x0; + LCD->BPEN[0] = 0x0; + LCD->BPEN[1] = 0x0; + + p_pen = (uint32_t *)&LCD->PEN[0]; + + for (i=0;i<_LCDUSEDPINS;i++) + { + pen_offset = WF_ORDERING_TABLE[i]/32; + pen_bit = WF_ORDERING_TABLE[i]%32; + p_pen[pen_offset] |= 1 << pen_bit; + if (i>= _LCDFRONTPLANES) // Pin is a backplane + { + p_pen[pen_offset+2] |= 1 << pen_bit; // Enable BPEN + LCD->WF8B[(uint8_t)WF_ORDERING_TABLE[i]] = 1 << (i - _LCDFRONTPLANES); // fill with 0x01, 0x02, etc + } + } + } + + +void SLCD::vfnLCD_Write_Char (char lbValue) { + uint8_t char_val; + uint8_t temp; + uint8_t *lbpLCDWF; + uint8_t lbCounter; + uint16_t arrayOffset; + uint8_t position; + + if (bLCD_CharPosition >= _CHARNUM) + bLCD_CharPosition = 0; + + lbpLCDWF = (uint8_t *)&LCD->WF8B[0]; + /* only ascii character if value not writeable write as @ */ + if (lbValue>='a' && lbValue<='z') { + lbValue -= 32; // UpperCase + } + if (lbValue<ASCCI_TABLE_START || lbValue >ASCCI_TABLE_END) { + lbValue = BLANK_CHARACTER; // default value as space + } + lbValue -=ASCCI_TABLE_START; // Remove the offset to search in the ascci table + arrayOffset = (lbValue * _CHAR_SIZE); // Compensate matrix offset + // ensure bLCD position is in valid limit + lbCounter = 0; //number of writings to complete one char + while (lbCounter<_CHAR_SIZE) { + position = (bLCD_CharPosition) *_LCDTYPE + lbCounter; + temp=0; + if (lbCounter==1) { + temp = lbpLCDWF[WF_ORDERING_TABLE[position]] & 0x01;//bit 0 has the special symbol information + } + char_val = ASCII_TO_WF_CODIFICATION_TABLE[arrayOffset + lbCounter]; + lbpLCDWF[WF_ORDERING_TABLE[position]] = char_val | temp; + // if (char_val==0) lbCounter = _CHAR_SIZE; //end of this character + lbCounter++; + } + + bLCD_CharPosition++; +} + +int SLCD::_putc(int c) { + vfnLCD_Write_Char(c); + return 0; +} + \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SLCD.h Tue Jan 14 07:00:15 2014 +0000 @@ -0,0 +1,26 @@ +#ifndef SLCD_H +#define SLCD_H + +#include "mbed.h" + +class SLCD : public Stream { + public: + SLCD(); + + void init(); + void vfnEnablePins(); + + void vfnLCD_Write_Char(char lbValue); + + + uint8_t lcd_alternate_mode; + + virtual int _putc(int c); + virtual int _getc() { + return 0; + } + uint8_t bLCD_CharPosition; + +}; + +#endif \ No newline at end of file