experimental support added for picoLCD 256x64 (contributed by Jochen Koch)

1 files changed, 106 insertions, 0 deletions

diff --git a/glcddrivers/picoLCD_256x64.h b/glcddrivers/picoLCD_256x64.h
new file mode 100644
index 0000000..223d748
--- /dev/null
+++ b/glcddrivers/picoLCD_256x64.h
@@ -0,0 +1,106 @@
+/*
+ * GraphLCD driver library
+ *
+ * PicoLCD_256x64.h  -  picoLCD Graphic 256x64
+ *                      Output goes to a picoLCD Graphic 256x64 LCD
+ *
+ *                      Driver is based on lcd4linux driver by Nicu Pavel, Mini-Box.com <npavel@mini-box.com>
+ *
+ * This file is released under the GNU General Public License. 
+ *
+ * See the files README and COPYING for details.
+ *
+ *  2012 by      Jochen Koch <linuxfan1992 AT web de>
+ */
+
+#ifndef _GLCDDRIVERS_PicoLCD_256x64_H_
+#define _GLCDDRIVERS_PicoLCD_256x64_H_
+
+#include "driver.h"
+#include "stdio.h"
+#include <usb.h>
+#include <syslog.h>
+
+#define HAVE_STDBOOL_H
+
+#define picoLCD_VENDOR  0x04d8
+#define picoLCD_DEVICE  0xc002
+
+#define OUT_REPORT_LED_STATE		0x81
+#define OUT_REPORT_LCD_BACKLIGHT	0x91
+#define OUT_REPORT_LCD_CONTRAST		0x92
+
+#define OUT_REPORT_CMD			0x94
+#define OUT_REPORT_DATA			0x95
+#define OUT_REPORT_CMD_DATA		0x96
+
+#define SCREEN_H			64
+#define SCREEN_W			256
+
+#if 0
+#define DEBUG(x) fprintf(stderr,"picoLCD_256x64: %s(): " #x "\n", __FUNCTION__);
+#define DEBUG1(x,...) fprintf(stderr,"picoLCD_256x64: %s(): " #x "\n", __FUNCTION__, __VA_ARGS__);
+#else
+#define DEBUG(x)
+#define DEBUG1(x,...)
+#endif
+
+#define INFO(x) syslog(LOG_INFO, "picoLCD_256x64: %s\n", x);
+#define INFO1(x,...) syslog(LOG_INFO, "picoLCD_256x64: " #x "\n", __VA_ARGS__);
+
+namespace GLCD
+{
+	class cDriverConfig;
+
+	class cDriverPicoLCD_256x64 : public cDriver 
+	{
+                /* "dirty" marks the display to be redrawn from frame buffer */
+                int dirty;
+
+                /* USB read timeout in ms (the picoLCD 256x64 times out on every read
+                   unless a key has been pressed!)  */
+                int read_timeout;
+ 
+                unsigned char *pLG_framebuffer;
+
+                /* used to display white text on black background or inverse */
+                unsigned char inverted;
+
+                unsigned int gpo;
+
+                usb_dev_handle *lcd;
+
+		int CheckSetup();
+	protected:
+                int drv_pLG_open(void);
+                int drv_pLG_read(unsigned char *data, int size);
+                void drv_pLG_send(unsigned char *data, int size);
+                int drv_pLG_close(void);
+                void drv_pLG_clear(void);
+#ifdef ENABLE_GPIO_KEYPAD
+                // GPI, GPO, Keypad
+                int drv_pLG_gpi(int num);
+                int drv_pLG_gpo(int num, int val);
+                void drv_pLG_update_keypad(void);
+                int drv_pLG_keypad(const int num);
+#endif
+
+	public:
+		cDriverPicoLCD_256x64(cDriverConfig * config);
+
+		virtual int Init();
+		virtual int DeInit();
+
+		virtual void Clear();
+                virtual void SetPixel(int x, int y, uint32_t data);
+		//virtual void Set8Pixels(int x, int y, byte data);
+		virtual void Refresh(bool refreshAll = false);
+
+		virtual void SetBacklight(unsigned int percent);
+		virtual void SetContrast(unsigned int percent);
+	};
+};
+#endif
+
+
+