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-rw-r--r--drivers/gdisp/PCF8812/PCF8812.h53
-rw-r--r--drivers/gdisp/PCF8812/README.md5
-rw-r--r--drivers/gdisp/PCF8812/board_PCF8812_template.h43
-rw-r--r--drivers/gdisp/PCF8812/gdisp_lld_PCF8812.c237
-rw-r--r--drivers/gdisp/PCF8812/gdisp_lld_config.h28
5 files changed, 366 insertions, 0 deletions
diff --git a/drivers/gdisp/PCF8812/PCF8812.h b/drivers/gdisp/PCF8812/PCF8812.h
new file mode 100644
index 00000000..3064f9b1
--- /dev/null
+++ b/drivers/gdisp/PCF8812/PCF8812.h
@@ -0,0 +1,53 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ * http://ugfx.org/license.html
+ */
+
+#ifndef _PCF8812_H
+#define _PCF8812_H
+
+#define PCF8812_SET_FUNC 0x20 // Function set
+#define PCF8812_H 0x01
+#define PCF8812_V 0x02
+#define PCF8812_PD 0x04
+
+#define PCF8812_SET_DISPLAY 0x08
+#define PCF8812_DISPLAY_MODE_BLANK 0x00 // bit D = 0, E = 0
+#define PCF8812_DISPLAY_MODE_FILL 0x01 // bit D = 0, E = 1
+#define PCF8812_DISPLAY_MODE_NORMAL 0x04 // bit D = 1, E = 0
+#define PCF8812_DISPLAY_MODE_INVERT 0x05 // bit D = 1, E = 1
+
+#define PCF8812_SET_PRS 0x10 // Set Vop range, VLCD programming range select
+
+#define PCF8812_SET_Y 0x40 // 0 0 1 0 0 Y3 Y2 Y1 Y0
+#define PCF8812_SET_X 0x80 // 0 1 X6 X5 X4 X3 X2 X1 X0
+
+// =========================================
+
+#define PCF8812_SET_TEMP 0x04 // set temperature coefficient (TCx)
+#define PCF8812_TEMP_MODE_0 0x00 // TC1 = 0, TC0 = 0
+#define PCF8812_TEMP_MODE_1 0x01 // TC1 = 0, TC0 = 1
+#define PCF8812_TEMP_MODE_2 0x02 // TC1 = 1, TC0 = 0
+#define PCF8812_TEMP_MODE_3 0x03 // TC1 = 1, TC0 = 1
+
+#define PCF8812_SET_VMULT 0x08 // Set voltage multiplier factor
+#define PCF8812_VMULT_MODE_0 0x00 // S1 = 0, S0 = 0 - 2 × voltage multiplier
+#define PCF8812_VMULT_MODE_1 0x01 // S1 = 0, S0 = 1 - 3 × voltage multiplier
+#define PCF8812_VMULT_MODE_2 0x02 // S1 = 1, S0 = 0 - 4 × voltage multiplier
+#define PCF8812_VMULT_MODE_3 0x03 // S1 = 1, S0 = 1 - 5 × voltage multiplier
+
+#define PCF8812_SET_BIAS 0x10 // set bias system (BSx)
+#define PCF8812_BIAS_MODE_7 0x00 // 1 to 100
+#define PCF8812_BIAS_MODE_6 0x01 // 1 to 80
+#define PCF8812_BIAS_MODE_5 0x02 // 1 to 65
+#define PCF8812_BIAS_MODE_4 0x03 // 1 to 48
+#define PCF8812_BIAS_MODE_3 0x04 // 1 to 40 or 1 to 34
+#define PCF8812_BIAS_MODE_2 0x05 // 1 to 24
+#define PCF8812_BIAS_MODE_1 0x06 // 1 to 18 or 1 to 16
+#define PCF8812_BIAS_MODE_0 0x07 // 1 to 10 or 1 to 9 or 1 to 8
+
+#define PCF8812_SET_VOP 0x80 // write VOP to register, 1 VOP6 VOP5 VOP4 VOP3 VOP2 VOP1 VOP0
+
+#endif /* _PCF8812_H */
diff --git a/drivers/gdisp/PCF8812/README.md b/drivers/gdisp/PCF8812/README.md
new file mode 100644
index 00000000..b8b9a84a
--- /dev/null
+++ b/drivers/gdisp/PCF8812/README.md
@@ -0,0 +1,5 @@
+Driver for PCF8812/OM6206 controller
+==========================
+Displays based on this controller:
+ Nokia 3410
+ Siemens C55/A55/A52 \ No newline at end of file
diff --git a/drivers/gdisp/PCF8812/board_PCF8812_template.h b/drivers/gdisp/PCF8812/board_PCF8812_template.h
new file mode 100644
index 00000000..08ec130d
--- /dev/null
+++ b/drivers/gdisp/PCF8812/board_PCF8812_template.h
@@ -0,0 +1,43 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ * http://ugfx.org/license.html
+ */
+
+#ifndef _GDISP_LLD_BOARD_H
+#define _GDISP_LLD_BOARD_H
+
+static inline void init_board(GDisplay *g) {
+ (void) g;
+}
+
+static inline void post_init_board(GDisplay *g) {
+ (void) g;
+}
+
+static inline void setpin_reset(GDisplay *g, bool_t state) {
+ (void) g;
+ (void) state;
+}
+
+static inline void acquire_bus(GDisplay *g) {
+ (void) g;
+}
+
+static inline void release_bus(GDisplay *g) {
+ (void) g;
+}
+
+static inline void write_cmd(GDisplay *g, uint8_t cmd) {
+ (void) g;
+ (void) cmd;
+}
+
+static inline void write_data(GDisplay *g, uint8_t* data, uint16_t length) {
+ (void) g;
+ (void) data;
+ (void) length;
+}
+
+#endif /* _GDISP_LLD_BOARD_H */
diff --git a/drivers/gdisp/PCF8812/gdisp_lld_PCF8812.c b/drivers/gdisp/PCF8812/gdisp_lld_PCF8812.c
new file mode 100644
index 00000000..5377b7cd
--- /dev/null
+++ b/drivers/gdisp/PCF8812/gdisp_lld_PCF8812.c
@@ -0,0 +1,237 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ * http://ugfx.org/license.html
+ */
+
+#include "gfx.h"
+
+#if GFX_USE_GDISP
+
+#define GDISP_DRIVER_VMT GDISPVMT_PCF8812
+#include "drivers/gdisp/PCF8812/gdisp_lld_config.h"
+#include "src/gdisp/driver.h"
+#include "board_PCF8812.h"
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+#define GDISP_MATRIX_HEIGHT 72
+#define GDISP_MATRIX_WIDTH 102
+
+#define GDISP_SCREEN_HEIGHT 65
+#define GDISP_SCREEN_WIDTH 96
+
+#define GDISP_INITIAL_CONTRAST 51
+#define GDISP_INITIAL_BACKLIGHT 100
+
+#define GDISP_FLG_NEEDFLUSH (GDISP_FLG_DRIVER << 0)
+
+#include "drivers/gdisp/PCF8812/PCF8812.h"
+
+/*===========================================================================*/
+/* Driver local routines . */
+/*===========================================================================*/
+
+// Some common routines and macros
+#define RAM(g) ((uint8_t *)g->priv)
+
+#define xyaddr(x, y) ((x) + ((y) >> 3) * GDISP_MATRIX_WIDTH)
+#define xybit(y) (1 << ((y) & 7))
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/*
+ * As this controller can't update on a pixel boundary we need to maintain the
+ * the entire display surface in memory so that we can do the necessary bit
+ * operations. Fortunately it is a small display in monochrome.
+ * Matrix 102 * 65 / 8 = 828,75 bytes.
+ * Display 96 * 65 / 8 = 780
+ */
+
+//#define GDISP_SCREEN_BYTES ((GDISP_SCREEN_WIDTH * GDISP_SCREEN_HEIGHT) / 8)
+#define GDISP_MATRIX_BYTES ((GDISP_MATRIX_WIDTH * GDISP_MATRIX_HEIGHT) / 8) // real height 65 pixels, this fix 65 / 8 != 9
+
+LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
+ // The private area is the display surface.
+ if (!(g->priv = gfxAlloc(GDISP_MATRIX_BYTES)))
+ gfxHalt("GDISP PCF8812: Failed to allocate private memory");
+
+ // Initialise the board interface
+ init_board(g);
+
+ // Hardware reset
+ setpin_reset(g, TRUE);
+ gfxSleepMilliseconds(100);
+ setpin_reset(g, FALSE);
+ gfxSleepMilliseconds(100);
+
+ acquire_bus(g);
+
+ write_cmd(g, PCF8812_SET_FUNC | PCF8812_H);
+ write_cmd(g, PCF8812_SET_TEMP | PCF8812_TEMP_MODE_2);
+ write_cmd(g, PCF8812_SET_BIAS | PCF8812_BIAS_MODE_4);
+ write_cmd(g, PCF8812_SET_VOP | (0x40));
+ write_cmd(g, PCF8812_SET_FUNC);
+ write_cmd(g, PCF8812_SET_DISPLAY | PCF8812_DISPLAY_MODE_NORMAL);
+ write_cmd(g, PCF8812_SET_X); // X = 0
+ write_cmd(g, PCF8812_SET_Y); // Y = 0
+
+ coord_t i;
+
+ for (i = 0; i < GDISP_MATRIX_BYTES; i++) {
+ write_data(g, 0x00, 1);
+ }
+
+ // Finish Init
+ post_init_board(g);
+
+ // Release the bus
+ release_bus(g);
+
+ /* Turn on the back-light */
+ set_backlight(g, GDISP_INITIAL_BACKLIGHT);
+
+ /* Initialise the GDISP structure */
+ g->g.Width = GDISP_SCREEN_WIDTH;
+ g->g.Height = GDISP_SCREEN_HEIGHT;
+ g->g.Orientation = GDISP_ROTATE_0;
+ g->g.Powermode = powerOn;
+ g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
+ g->g.Contrast = GDISP_INITIAL_CONTRAST;
+
+ return TRUE;
+}
+
+#if GDISP_HARDWARE_FLUSH
+ LLDSPEC void gdisp_lld_flush(GDisplay *g) {
+
+ // Don't flush if we don't need it.
+ if (!(g->flags & GDISP_FLG_NEEDFLUSH)) {
+ return;
+ }
+
+ acquire_bus(g);
+
+ write_cmd(g, PCF8812_SET_X | 0); // X = 0
+ write_cmd(g, PCF8812_SET_Y | 0); // Y = 0
+
+ coord_t i;
+
+ for (i = 0; i < GDISP_MATRIX_BYTES; i++) {
+ write_data(g, RAM(g)[i], 1);
+ }
+
+ release_bus(g);
+ }
+#endif
+
+#if GDISP_HARDWARE_DRAWPIXEL
+ LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
+ coord_t x, y;
+
+ #if GDISP_NEED_CONTROL
+ switch(g->g.Orientation) {
+ default:
+ case GDISP_ROTATE_0:
+ x = g->p.x;
+ y = g->p.y;
+ break;
+ case GDISP_ROTATE_90:
+ x = g->p.y;
+ y = g->g.Width - g->p.x - 1;
+ break;
+ case GDISP_ROTATE_180:
+ x = g->g.Width - g->p.x - 1;
+ y = g->g.Height - g->p.y - 1;
+ break;
+ case GDISP_ROTATE_270:
+ x = g->g.Height - g->p.y - 1;
+ y = g->p.x;
+ break;
+ }
+ #else
+ x = g->p.x;
+ y = g->p.y;
+ #endif
+
+ if (gdispColor2Native(g->p.color) != Black) {
+ RAM(g)[xyaddr(x, y)] |= xybit(y);
+ } else {
+ RAM(g)[xyaddr(x, y)] &= ~xybit(y);
+ }
+
+ g->flags |= GDISP_FLG_NEEDFLUSH;
+ }
+#endif
+
+#if GDISP_NEED_CONTROL
+ LLDSPEC void gdisp_lld_control(GDisplay *g) {
+ switch(g->p.x) {
+ case GDISP_CONTROL_POWER:
+ if (g->g.Powermode == (powermode_t)g->p.ptr)
+ return;
+ switch((powermode_t)g->p.ptr) {
+ case powerOff:
+ case powerSleep:
+ case powerDeepSleep:
+ write_cmd(g, PCF8812_SET_FUNC | PCF8812_PD);
+ break;
+ case powerOn:
+ write_cmd(g, PCF8812_SET_FUNC);
+ break;
+ default:
+ return;
+ }
+ g->g.Powermode = (powermode_t)g->p.ptr;
+ return;
+
+ case GDISP_CONTROL_ORIENTATION:
+ if (g->g.Orientation == (orientation_t)g->p.ptr)
+ return;
+ switch((orientation_t)g->p.ptr) {
+ case GDISP_ROTATE_0:
+ case GDISP_ROTATE_180:
+ if (g->g.Orientation == GDISP_ROTATE_90 || g->g.Orientation == GDISP_ROTATE_270) {
+ coord_t tmp;
+
+ tmp = g->g.Width;
+ g->g.Width = g->g.Height;
+ g->g.Height = tmp;
+ }
+ break;
+ case GDISP_ROTATE_90:
+ case GDISP_ROTATE_270:
+ if (g->g.Orientation == GDISP_ROTATE_0 || g->g.Orientation == GDISP_ROTATE_180) {
+ coord_t tmp;
+
+ tmp = g->g.Width;
+ g->g.Width = g->g.Height;
+ g->g.Height = tmp;
+ }
+ break;
+ default:
+ return;
+ }
+ g->g.Orientation = (orientation_t)g->p.ptr;
+ return;
+
+ case GDISP_CONTROL_BACKLIGHT:
+ if ((unsigned)g->p.ptr > 100) g->p.ptr = (void *)100;
+ set_backlight(g, (unsigned)g->p.ptr);
+ g->g.Backlight = (unsigned)g->p.ptr;
+ return;
+
+ case GDISP_CONTROL_CONTRAST:
+ if ((unsigned)g->p.ptr > 100) g->p.ptr = (void *)100;
+ g->g.Contrast = (unsigned)g->p.ptr;
+ return;
+ }
+ }
+#endif
+
+#endif // GFX_USE_GDISP
diff --git a/drivers/gdisp/PCF8812/gdisp_lld_config.h b/drivers/gdisp/PCF8812/gdisp_lld_config.h
new file mode 100644
index 00000000..6ad8a571
--- /dev/null
+++ b/drivers/gdisp/PCF8812/gdisp_lld_config.h
@@ -0,0 +1,28 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ * http://ugfx.org/license.html
+ */
+
+#ifndef _GDISP_LLD_CONFIG_H
+#define _GDISP_LLD_CONFIG_H
+
+#if GFX_USE_GDISP
+
+/*===========================================================================*/
+/* Driver hardware support. */
+/*===========================================================================*/
+
+#define GDISP_HARDWARE_FLUSH TRUE // This controller requires flushing
+#define GDISP_HARDWARE_DRAWPIXEL TRUE
+#define GDISP_HARDWARE_CONTROL TRUE
+
+// Set this to your frame buffer pixel format.
+#ifndef GDISP_LLD_PIXELFORMAT
+ #define GDISP_LLD_PIXELFORMAT GDISP_PIXELFORMAT_MONO
+#endif
+
+#endif /* GFX_USE_GDISP */
+
+#endif /* _GDISP_LLD_CONFIG_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-21 00:35:17 +0000