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PAR16 Class Reference
Parallel 16bit interface.
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#include <PAR16.h >
Inherits Protocols .
PAR16 (PortName port, PinName CS, PinName reset, PinName DC, PinName WR, PinName RD) Create a PAR16 display interface with a GPIO port and 5 control pins. virtual void wr_cmd8 (unsigned char cmd) Send 8bit command to display controller. virtual void wr_data8 (unsigned char data) Send 8bit data to display controller. virtual void wr_cmd16 (unsigned short cmd) Send 2x8bit command to display controller. virtual void wr_data16 (unsigned short data) Send 2x8bit data to display controller. virtual void wr_gram (unsigned short data) Send 16bit pixeldata to display controller. virtual void wr_gram (unsigned short data, unsigned int count) Send same 16bit pixeldata to display controller multiple times. virtual void wr_grambuf (unsigned short *data, unsigned int lenght) Send array of pixeldata shorts to display controller. virtual unsigned short rd_gram (bool convert) Read 16bit pixeldata from display controller (with dummy cycle) virtual unsigned int rd_reg_data32 (unsigned char reg) Read 4x8bit register data (with dummy cycle) virtual unsigned int rd_extcreg_data32 (unsigned char reg, unsigned char SPIreadenablecmd) Read 3x8bit ExtendedCommands register data. virtual void dummyread () ILI932x specific, does a dummy read cycle, number of bits is protocol dependent for PAR protocols: a signle RD bit toggle for SPI8 : 8clocks for SPI16 : 16 clocks. virtual void reg_select (unsigned char reg, bool forread=false) ILI932x specific, select register for a successive write or read. virtual void reg_write (unsigned char reg, unsigned short data) ILI932x specific, write register with data. virtual unsigned short reg_read (unsigned char reg) ILI932x specific, read register. virtual void hw_reset () HW reset sequence (without display init commands) virtual void BusEnable (bool enable) Set ChipSelect high or low.
Detailed Description
Parallel 16bit interface.
Definition at line 13 of file PAR16.h .
Constructor & Destructor Documentation
PAR16 (
PortName
port ,
PinName
CS ,
PinName
reset ,
PinName
DC ,
PinName
WR ,
PinName
RD
)
Create a PAR16 display interface with a GPIO port and 5 control pins.
Parameters:
port GPIO port to use CS pin connected to CS of display reset pin connected to RESET of display DC pin connected to data/command of display WR pin connected to SDI of display RD pin connected to RS of display
Definition at line 23 of file PAR16.cpp .
Member Function Documentation
void BusEnable
(
bool
enable )
[protected, virtual]
void dummyread
(
)
[protected, virtual]
ILI932x specific, does a dummy read cycle, number of bits is protocol dependent for PAR protocols: a signle RD bit toggle for SPI8 : 8clocks for SPI16 : 16 clocks.
Implements Protocols .
Definition at line 170 of file PAR16.cpp .
void hw_reset
(
)
[protected, virtual]
HW reset sequence (without display init commands)
Implements Protocols .
Definition at line 215 of file PAR16.cpp .
unsigned int rd_extcreg_data32
(
unsigned char
reg ,
unsigned char
SPIreadenablecmd
)
[protected, virtual]
Read 3x8bit ExtendedCommands register data.
Parameters:
Returns: data as uint Note: EXTC regs (0xB0 to 0xFF) are read/write registers, for Parallel mode directly accessible in both directions Implements Protocols .
Definition at line 165 of file PAR16.cpp .
unsigned short rd_gram
(
bool
convert )
[protected, virtual]
Read 16bit pixeldata from display controller (with dummy cycle)
Parameters:
convert true/false. Convert 18bit to 16bit, some controllers returns 18bit
Returns: 16bit color Implements Protocols .
Definition at line 97 of file PAR16.cpp .
unsigned int rd_reg_data32
(
unsigned char
reg )
[protected, virtual]
Read 4x8bit register data (with dummy cycle)
Parameters:
Returns: data as uint Implements Protocols .
Definition at line 124 of file PAR16.cpp .
unsigned short reg_read
(
unsigned char
reg )
[protected, virtual]
void reg_select
(
unsigned char
reg ,
bool
forread = false
)
[protected, virtual]
ILI932x specific, select register for a successive write or read.
Parameters:
reg register to be selected forread false = a write next (default), true = a read next
Note: forread only used by SPI protocols Implements Protocols .
Definition at line 179 of file PAR16.cpp .
void reg_write
(
unsigned char
reg ,
unsigned short
data
)
[protected, virtual]
ILI932x specific, write register with data.
Parameters:
reg register to write data 16bit data
Implements Protocols .
Definition at line 188 of file PAR16.cpp .
void wr_cmd16
(
unsigned short
cmd )
[protected, virtual]
Send 2x8bit command to display controller.
Parameters:
Note: 2cycles using pins[7:0] Implements Protocols .
Definition at line 50 of file PAR16.cpp .
void wr_cmd8
(
unsigned char
cmd )
[protected, virtual]
Send 8bit command to display controller.
Parameters:
Implements Protocols .
Definition at line 36 of file PAR16.cpp .
void wr_data16
(
unsigned short
data )
[protected, virtual]
Send 2x8bit data to display controller.
Parameters:
Note: 2cycles using pins[7:0], only gram write cmd uses pins[15:8] Implements Protocols .
Definition at line 61 of file PAR16.cpp .
void wr_data8
(
unsigned char
data )
[protected, virtual]
Send 8bit data to display controller.
Parameters:
Implements Protocols .
Definition at line 44 of file PAR16.cpp .
void wr_gram
(
unsigned short
data )
[protected, virtual]
Send 16bit pixeldata to display controller.
Parameters:
Note: here using all pins[15:0] Implements Protocols .
Definition at line 70 of file PAR16.cpp .
void wr_gram
(
unsigned short
data ,
unsigned int
count
)
[protected, virtual]
Send same 16bit pixeldata to display controller multiple times.
Parameters:
data,: halfword to send count,: how many
Note: here using all pins[15:0] Implements Protocols .
Definition at line 76 of file PAR16.cpp .
void wr_grambuf
(
unsigned short *
data ,
unsigned int
lenght
)
[protected, virtual]
Send array of pixeldata shorts to display controller.
Parameters:
data,: unsigned short pixeldata array lenght,: lenght (in shorts)
Note: here using all pins[15:0] Implements Protocols .
Definition at line 86 of file PAR16.cpp .
1.7.2