Kazuki Yamamoto
Basic library for SHARP LCD LS027B4DH01/LS027B7DH01
Dependents: AkiSpiLcd_demo AkiSpiLcd_demo2 LCDRAM AkiSpiLcd_example
Revision 10:eed99ef09e63, committed 2014-09-15
- Comitter:
- k4zuki
- Date:
- Mon Sep 15 14:12:33 2014 +0000
- Parent:
- 9:33d5888d1fb9
- Child:
- 11:16647ecd67ce
- Commit message:
- .
Changed in this revision
--- a/AkiSpiLcd.cpp Sun Sep 07 14:42:13 2014 +0000
+++ b/AkiSpiLcd.cpp Mon Sep 15 14:12:33 2014 +0000
@@ -4,7 +4,7 @@
#include "mbed.h"
#include "AkiSpiLcd.h"
-#include "Ser23K256.h"
+//#include "Ser23K256.h"
AkiSpiLcd::AkiSpiLcd(PinName mosi, PinName miso, PinName sck, PinName csl, PinName csr)
:_spi(mosi, miso, sck), _csl(csl), _csr(csr)
@@ -13,23 +13,24 @@
_csl=0;
_csr=1;
_spi.format(8,0);
- _spi.frequency(1000000);
+ _spi.frequency(10000000);
comflag = modeflag = clearflag = 0;
-
- int data=0;
+
+ uint8_t data[240];
for(int i=0; i<240; i++) {
- data=( ( i & 0x01 ) << 7 )|
- ( ( i & 0x02 ) << 5 )|
- ( ( i & 0x04 ) << 3 )|
- ( ( i & 0x08 ) << 1 )|
- ( ( i & 0x10 ) >> 1 )|
- ( ( i & 0x20 ) >> 3 )|
- ( ( i & 0x40 ) >> 5 )|
- ( ( i & 0x80 ) >> 7 );
+ data[i]=( ( (i+1) & 0x01 ) << 7 )|
+ ( ( (i+1) & 0x02 ) << 5 )|
+ ( ( (i+1) & 0x04 ) << 3 )|
+ ( ( (i+1) & 0x08 ) << 1 )|
+ ( ( (i+1) & 0x10 ) >> 1 )|
+ ( ( (i+1) & 0x20 ) >> 3 )|
+ ( ( (i+1) & 0x40 ) >> 5 )|
+ ( ( (i+1) & 0x80 ) >> 7 );
- ram_write(RAMLINE_BASE+i,(uint8_t)data);
}
- ram_write(RAMMODE_BASE,0x00000000,4);
+ ram_write(RAMLINE_BASE,data,240);
+ uint8_t buffer[4] = {0,0,0,0};
+ ram_write(RAMMODE_BASE,buffer,4);
}
@@ -101,14 +102,14 @@
for (int j=0; j<length; j++) {
_spi.write( (modeflag << 7) | (comflag << 6) | (clearflag << 5) );
_spi.write(
- ( ( (line) & 0x01 ) << 7 )|
- ( ( (line) & 0x02 ) << 5 )|
- ( ( (line) & 0x04 ) << 3 )|
- ( ( (line) & 0x08 ) << 1 )|
- ( ( (line) & 0x10 ) >> 1 )|
- ( ( (line) & 0x20 ) >> 3 )|
- ( ( (line) & 0x40 ) >> 5 )|
- ( ( (line) & 0x80 ) >> 7 )
+ ( ( (line+1) & 0x01 ) << 7 )|
+ ( ( (line+1) & 0x02 ) << 5 )|
+ ( ( (line+1) & 0x04 ) << 3 )|
+ ( ( (line+1) & 0x08 ) << 1 )|
+ ( ( (line+1) & 0x10 ) >> 1 )|
+ ( ( (line+1) & 0x20 ) >> 3 )|
+ ( ( (line+1) & 0x40 ) >> 5 )|
+ ( ( (line+1) & 0x80 ) >> 7 )
);
for(int i=0; i<50; i++) {
--- a/AkiSpiLcd.h Sun Sep 07 14:42:13 2014 +0000
+++ b/AkiSpiLcd.h Mon Sep 15 14:12:33 2014 +0000
@@ -19,7 +19,7 @@
* extern const uint8_t hogepic[];
* int main()
* {
- *
+ *
* wait_ms(1);
* LCD.cls();
* LCD.updateSingle(10,(uint8_t*)(hogepic+2000));
@@ -34,16 +34,39 @@
* }
* @endcode
*/
-#define RAMLINE_BASE 0x6000
-#define RAMMODE_BASE 0x6100
-#define SCREEN0_BASE 0x0000
-#define SCREEN1_BASE 0x3000
+
+//#define RAMLINE_BASE 0x6000
+//#define RAMMODE_BASE 0x6100
+//#define SCREEN0_BASE 0x0000
+//#define SCREEN1_BASE 0x3000
#define SCREEN0 0
#define SCREEN1 1
-
+
class AkiSpiLcd
{
public:
+ //! base address list for 23K256
+ enum BASE_ADDR {
+ RAMLINE_BASE = 0x6000,
+ RAMMODE_BASE = 0x6100,
+ SCREEN0_BASE = 0x0000,
+ SCREEN1_BASE = 0x3000
+ };
+
+ //! mode codes for 23K256
+ enum MODE {
+ BYTE_MODE = 0x00,
+ SEQUENTIAL_MODE = 0x40
+ };
+
+ //! command codes for 23K256
+ enum COMMAND {
+ READ = 0x03,
+ WRITE = 0x02,
+ READ_STATUS = 0x05, // called RDSR in datasheet
+ WRITE_STATUS = 0x01 // called WRSR in datasheet
+ };
+
/** Constructor
* @param mosi SPI data input
* @param mosi SPI data output
@@ -73,7 +96,7 @@
/** Inverting internal COM signal
*/
void cominvert();
-
+
/** Reads single line (400 bits = 50 bytes) from a screen
*/
void ramReadSingle(int line, uint8_t* buffer, int screen);
@@ -81,7 +104,7 @@
/** Reads multi lines(400 x N bits = 50 x N bytes) from a screen
*/
void ramReadMulti(int startline, int length, uint8_t* buffer, int screen);
-
+
/** Writes single line (400 bits = 50 bytes) into a screen
*/
void ramWriteSingle(int line, uint8_t* data, int screen);
@@ -89,7 +112,7 @@
/** Writes multi lines(400 x N bits = 50 x N bytes) into a screen
*/
void ramWriteMulti(int startline, int length, uint8_t* data, int screen);
-
+
/** copies whole data in screen into LCD
*/
void ram2lcd(int startline, int length, int screen);
@@ -99,27 +122,27 @@
// */
// void dispOn(bool disp);
-/** read a byte from SRAM
-* @param address The address to read from
-* @return the uint8_tacter at that address
-*/
+ /** read a byte from SRAM
+ * @param address The address to read from
+ * @return the uint8_tacter at that address
+ */
uint8_t ram_read(int address);
-/** read multiple bytes from SRAM into a buffer
-* @param address The SRAM address to read from
-* @param buffer The buffer to read into (must be big enough!)
-* @param count The number of bytes to read
-*/
+ /** read multiple bytes from SRAM into a buffer
+ * @param address The SRAM address to read from
+ * @param buffer The buffer to read into (must be big enough!)
+ * @param count The number of bytes to read
+ */
void ram_read(int address, uint8_t * buffer, int count);
-/** write a byte to SRAM
-* @param address The address SRAM to write to
-* @param byte The byte to write there
-*/
+ /** write a byte to SRAM
+ * @param address The address SRAM to write to
+ * @param byte The byte to write there
+ */
void ram_write(int address, uint8_t byte);
/** write multiple bytes to SRAM from a buffer
-* @param address The SRAM address write to
-* @param buffer The buffer to write from
-* @param count The number of bytes to write
-*/
+ * @param address The SRAM address write to
+ * @param buffer The buffer to write from
+ * @param count The number of bytes to write
+ */
void ram_write(int address, uint8_t * buffer, int count);
private:
--- a/Ser23K256.lib Sun Sep 07 14:42:13 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -http://mbed.org/users/k4zuki/code/Ser23K256/#d8180cb9d9ab
