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ugfx/drivers/gdisp/Nokia6610/gdisp_lld.c
Andrew Hannam bbb2d434c4 gdisp Nokia and SSD1289 updates 
Convert SSD1289 to use board files.
Update Nokia driver to use short names in the board files.
Full expanded names are not needed as they are all static inline
routines.
2012-11-17 18:11:05 +10:00

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/*
ChibiOS/RT - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS/GFX.
ChibiOS/GFX is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/GFX is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file drivers/gdisp/Nokia6610/gdisp_lld.c
* @brief GDISP Graphics Driver subsystem low level driver source for the Nokia6610 display.
*
* @addtogroup GDISP
* @{
*/
#include "ch.h"
#include "hal.h"
#include "gdisp.h"
#if GFX_USE_GDISP /*|| defined(__DOXYGEN__)*/
/* Include the emulation code for things we don't support */
#include "gdisp_emulation.c"
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/* Controller definitions */
#if defined(GDISP_USE_GE8)
#include "GE8.h"
#elif defined(GDISP_USE_GE12)
#include "GE12.h"
#else
#error "gdispNokia6610: Either GDISP_USE_GE8 or GDISP_USE_GE12 must be defined depending on your controller"
#endif
/* This controller is only ever used with a 132 x 132 display */
#if defined(GDISP_SCREEN_HEIGHT)
#undef GDISP_SCREEN_HEIGHT
#endif
#if defined(GDISP_SCREEN_WIDTH)
#undef GDISP_SCREEN_WIDTH
#endif
#define GDISP_SCREEN_HEIGHT 132
#define GDISP_SCREEN_WIDTH 132
#define GDISP_INITIAL_CONTRAST 38
#define GDISP_INITIAL_BACKLIGHT 100
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
#if defined(BOARD_OLIMEX_SAM7_EX256)
#include "gdisp_lld_board_olimexsam7ex256.h"
#else
/* Include the user supplied board definitions */
#include "gdisp_lld_board.h"
#endif
// Some macros just to make reading the code easier
#define delayms(ms) chThdSleepMilliseconds(ms)
#define write_data2(d1, d2) { write_data(d1); write_data(d2); }
#define write_data3(d1, d2, d3) { write_data(d1); write_data(d2); write_data(d3); }
#define write_cmd1(cmd, d1) { write_cmd(cmd); write_data(d1); }
#define write_cmd2(cmd, d1, d2) { write_cmd(cmd); write_data2(d1, d2); }
#define write_cmd3(cmd, d1, d2, d3) { write_cmd(cmd); write_data3(d1, d2, d3); }
// A very common thing to do.
// An inline function has been used here incase the parameters have side effects with the internal calculations.
static __inline void setviewport(coord_t x, coord_t y, coord_t cx, coord_t cy) {
write_cmd2(CASET, x, x+cx-1); // Column address set
write_cmd2(PASET, y, y+cy-1); // Page address set
}
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/* ---- Required Routines ---- */
/*
The following 2 routines are required.
All other routines are optional.
*/
/**
* @brief Low level GDISP driver initialization.
*
* @notapi
*/
bool_t GDISP_LLD(init)(void) {
/* Initialise your display */
init_board();
// Hardware reset
setpin_reset(TRUE);
delayms(20);
setpin_reset(FALSE);
delayms(20);
// Get the bus for the following initialisation commands
get_bus();
#if defined(GDISP_USE_GE8)
write_cmd3(DISCTL, 0x00, 0x20, 0x00); // Display control
// P1: 0x00 = 2 divisions, switching period=8 (default)
// P2: 0x20 = nlines/4 - 1 = 132/4 - 1 = 32)
// P3: 0x00 = no inversely highlighted lines
write_cmd1(COMSCN, 0x01); // COM scan P1: 0x01 = Scan 1->80, 160<-81
write_cmd(OSCON); // Internal oscilator ON
write_cmd(SLPOUT); // Sleep out
write_cmd1(PWRCTR, 0x0F); // Power control - reference voltage regulator on, circuit voltage follower on, BOOST ON
write_cmd3(DATCTL, 0x48, 0x00, 0x02); // Data control
// P1: 0x01 = page address inverted, column address normal, address scan in column direction
// P2: 0x00 = RGB sequence (default value)
// P3: 0x02 = Grayscale -> 16 (selects 12-bit color, type A)
write_cmd2(VOLCTR, GDISP_INITIAL_CONTRAST, 0x03); // Voltage control (contrast setting)
// P1 = Contrast
// P2 = 3 resistance ratio (only value that works)
delayms(100); // allow power supply to stabilize
write_cmd(DISON); // Turn on the display
#elif defined(GDISP_USE_GE12)
// UNTESTED
#if 1
write_cmd(SLEEPOUT); // Sleep out
write_cmd(INVON); // Inversion on: seems to be required for this controller
write_cmd1(COLMOD, 0x03); // Color Interface Pixel Format - 0x03 = 12 bits-per-pixel
write_cmd1(MADCTL, 0xC8); // Memory access controler - 0xC0 = mirror x and y, reverse rgb
write_cmd1(SETCON, GDISP_INITIAL_CONTRAST); // Write contrast
delayms(20);
write_cmd(DISPON); // Display On
#else
// Alternative
write_cmd(SOFTRST); // Software Reset
delayms(20);
write_cmd(INITESC); // Initial escape
delayms(20);
write_cmd1(REFSET, 0x00); // Refresh set
write_cmd(DISPCTRL); // Set Display control - really 7 bytes of data
write_data(128); // Set the lenght of one selection term
write_data(128); // Set N inversion -> no N inversion
write_data(134); // Set frame frequence and bias rate -> 2 devision of frequency and 1/8 bias, 1/67 duty, 96x67 size
write_data(84); // Set duty parameter
write_data(69); // Set duty parameter
write_data(82); // Set duty parameter
write_data(67); // Set duty parameter
write_cmd(GRAYSCALE0); // Grey scale 0 position set - really 15 bytes of data
write_data(1); // GCP1 - gray lavel to be output when the RAM data is "0001"
write_data(2); // GCP2 - gray lavel to be output when the RAM data is "0010"
write_data(4); // GCP3 - gray lavel to be output when the RAM data is "0011"
write_data(8); // GCP4 - gray lavel to be output when the RAM data is "0100"
write_data(16); // GCP5 - gray lavel to be output when the RAM data is "0101"
write_data(30); // GCP6 - gray lavel to be output when the RAM data is "0110"
write_data(40); // GCP7 - gray lavel to be output when the RAM data is "0111"
write_data(50); // GCP8 - gray lavel to be output when the RAM data is "1000"
write_data(60); // GCP9 - gray lavel to be output when the RAM data is "1001"
write_data(70); // GCP10 - gray lavel to be output when the RAM data is "1010"
write_data(80); // GCP11 - gray lavel to be output when the RAM data is "1011"
write_data(90); // GCP12 - gray lavel to be output when the RAM data is "1100"
write_data(100); // GCP13 - gray lavel to be output when the RAM data is "1101"
write_data(110); // GCP14 - gray lavel to be output when the RAM data is "1110"
write_data(127); // GCP15 - gray lavel to be output when the RAM data is "1111"
write_cmd1(GAMMA, 0x01); // Gamma curve set - select gray scale - GRAYSCALE 0 or GREYSCALE 1 - Select grey scale 0
write_cmd1(COMMONDRV, 0x00); // Command driver output - Set COM1-COM41 side come first, normal mod
write_cmd(NORMALMODE); // Set Normal mode (my)
// write_cmd(INVERSIONOFF); // Inversion off
write_cmd2(COLADDRSET, 0, 131); // Column address set
write_cmd2(PAGEADDRSET, 0, 131); // Page address set
write_cmd1(ACCESSCTRL, 0x40); // Memory access controler - 0x40 horizontal
// write_data(0x20); // vertical
write_cmd1(PWRCTRL, 0x04); // Power control - Internal resistance, V1OUT -> high power mode, oscilator devision rate
write_cmd(SLEEPOUT); // Sleep out
write_cmd(VOLTCTRL); // Voltage control - voltage control and write contrast define LCD electronic volume
// write_data(0x7f); // full voltage control
// write_data(0x03); // must be "1"
write_cmd1(CONTRAST, GDISP_INITIAL_CONTRAST); // Write contrast
delayms(20);
write_cmd(TEMPGRADIENT); // Temperature gradient - really 14 bytes of data
for(i=0; i<14; i++)
write_data(0);
write_cmd(BOOSTVON); // Booster voltage ON
write_cmd(DISPLAYON); // Finally - Display On
#endif
#endif
// Release the bus
release_bus();
/* Turn on the back-light */
set_backlight(GDISP_INITIAL_BACKLIGHT);
/* Initialise the GDISP structure to match */
GDISP.Width = GDISP_SCREEN_WIDTH;
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Orientation = GDISP_ROTATE_0;
GDISP.Powermode = powerOn;
GDISP.Backlight = GDISP_INITIAL_BACKLIGHT;
GDISP.Contrast = GDISP_INITIAL_CONTRAST;
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
GDISP.clipx0 = 0;
GDISP.clipy0 = 0;
GDISP.clipx1 = GDISP.Width;
GDISP.clipy1 = GDISP.Height;
#endif
return TRUE;
}
/**
* @brief Draws a pixel on the display.
*
* @param[in] x X location of the pixel
* @param[in] y Y location of the pixel
* @param[in] color The color of the pixel
*
* @notapi
*/
void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
if (x < GDISP.clipx0 || y < GDISP.clipy0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
#endif
get_bus();
setviewport(x, y, 1, 1);
write_cmd3(RAMWR, 0, (color>>8) & 0x0F, color & 0xFF);
release_bus();
}
/* ---- Optional Routines ---- */
#if GDISP_HARDWARE_FILLS || defined(__DOXYGEN__)
/**
* @brief Fill an area with a color.
*
* @param[in] x, y The start filled area
* @param[in] cx, cy The width and height to be filled
* @param[in] color The color of the fill
*
* @notapi
*/
void GDISP_LLD(fillarea)(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
unsigned i, tuples;
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }
if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }
if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
#endif
tuples = (cx*cy+1)/2; // With an odd sized area we over-print by one pixel.
// This extra pixel is ignored by the controller.
get_bus();
setviewport(x, y, cx, cy);
write_cmd(RAMWR);
for(i=0; i < tuples; i++)
write_data3(((color >> 4) & 0xFF), (((color << 4) & 0xF0)|((color >> 8) & 0x0F)), (color & 0xFF));
release_bus();
}
#endif
#if GDISP_HARDWARE_BITFILLS || defined(__DOXYGEN__)
/**
* @brief Fill an area with a bitmap.
*
* @param[in] x, y The start filled area
* @param[in] cx, cy The width and height to be filled
* @param[in] srcx, srcy The bitmap position to start the fill from
* @param[in] srccx The width of a line in the bitmap.
* @param[in] buffer The pixels to use to fill the area.
*
* @notapi
*/
void GDISP_LLD(blitareaex)(coord_t x, coord_t y, coord_t cx, coord_t cy, coord_t srcx, coord_t srcy, coord_t srccx, const pixel_t *buffer) {
coord_t endx, endy, lg;
color_t c1, c2;
#if GDISP_PACKED_PIXELS
coord_t pos;
const uint8_t *p;
#endif
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; srcx += GDISP.clipx0 - x; x = GDISP.clipx0; }
if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; srcy += GDISP.clipy0 - y; y = GDISP.clipy0; }
if (srcx+cx > srccx) cx = srccx - srcx;
if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
#endif
/* What are our end points */
endx = srcx + cx;
endy = y + cy;
get_bus();
setviewport(x, y, cx, cy);
write_cmd(RAMWR);
#if !GDISP_PACKED_PIXELS
// Although this controller uses packed pixels we support unpacked pixel
// formats in this blit by packing the data as we feed it to the controller.
lg = srccx - cx;
buffer += srcy * srccx + srcx;
x = srcx;
while (1) {
/* Get a pixel */
c1 = *buffer++;
if (++x >= endx) {
if (++y >= endy) {
/* Odd pixel at end */
write_data3(0, ((c1 >> 8) & 0x0F), (c1 & 0xFF));
break;
}
x = srcx;
buffer += lg;
}
/* Get the next pixel */
c2 = *buffer++;
write_data3(((c1 >> 4) & 0xFF), (((c1 << 4) & 0xF0)|((c2 >> 8) & 0x0F)), (c2 & 0xFF));
if (++x >= endx) {
if (++y >= endy)
break;
x = srcx;
buffer += lg;
}
}
#else
// Although this controller uses packed pixels, we may have to feed it into
// the controller with different packing to the source bitmap
#if !GDISP_PACKED_LINES
srccx = (srccx + 1) & ~1;
#endif
pos = srcy*srccx;
lg = (srccx - cx)/2*3;
p = ((const uint8_t *)buffer) + ((pos+srcx)/2 * 3);
x = srcx;
while (1) {
/* Get a pixel */
switch((pos+x)&1) {
case 0: c1 = (((color_t)p[0]) << 4)|(((color_t)p[1])>>4); break;
case 1: c1 = (((color_t)p[1]&0x0F) << 8)|((color_t)p[1]); break;
}
if (++x >= endx) {
if (++y >= endy) {
/* Odd pixel at end */
write_data3(0, ((c1 >> 8) & 0x0F), (c1 & 0xFF));
break;
}
x = srcx;
p += lg;
pos += srccx;
}
/* Get the next pixel */
switch((pos+x)&1) {
case 0: c2 = (((color_t)p[0]) << 4)|(((color_t)p[1])>>4); break;
case 1: c2 = (((color_t)p[1]&0x0F) << 8)|((color_t)p[1]); break;
}
write_data3(((c1 >> 4) & 0xFF), (((c1 << 4) & 0xF0)|((c2 >> 8) & 0x0F)), (c2 & 0xFF));
if (++x >= endx) {
if (++y >= endy)
break;
x = srcx;
p += lg;
pos += srccx;
}
}
#endif
release_bus();
}
#endif
#if (GDISP_NEED_PIXELREAD && GDISP_HARDWARE_PIXELREAD)
/**
* @brief Get the color of a particular pixel.
* @note If x,y is off the screen, the result is undefined.
*
* @param[in] x, y The start of the text
*
* @notapi
*/
color_t GDISP_LLD(getpixelcolor)(coord_t x, coord_t y) {
/* NOT IMPLEMENTED */
/* Some board hardware might support this in the future.
* The Olimex board doesn't.
*/
}
#endif
#if (GDISP_NEED_SCROLL && GDISP_HARDWARE_SCROLL)
/**
* @brief Scroll vertically a section of the screen.
* @note If x,y + cx,cy is off the screen, the result is undefined.
* @note If lines is >= cy, it is equivelent to a area fill with bgcolor.
*
* @param[in] x, y The start of the area to be scrolled
* @param[in] cx, cy The size of the area to be scrolled
* @param[in] lines The number of lines to scroll (Can be positive or negative)
* @param[in] bgcolor The color to fill the newly exposed area.
*
* @notapi
*/
void GDISP_LLD(verticalscroll)(coord_t x, coord_t y, coord_t cx, coord_t cy, int lines, color_t bgcolor) {
/* NOT IMPLEMENTED */
/* The hardware seems capable of doing this.
* It is just really complex so we leave it out for now.
*/
}
#endif
#if GDISP_HARDWARE_CONTROL || defined(__DOXYGEN__)
/**
* @brief Driver Control
* @details Unsupported control codes are ignored.
* @note The value parameter should always be typecast to (void *).
* @note There are some predefined and some specific to the low level driver.
* @note GDISP_CONTROL_POWER - Takes a gdisp_powermode_t
* GDISP_CONTROL_ORIENTATION - Takes a gdisp_orientation_t
* GDISP_CONTROL_BACKLIGHT - Takes an int from 0 to 100. For a driver
* that only supports off/on anything other
* than zero is on.
* GDISP_CONTROL_CONTRAST - Takes an int from 0 to 100.
* GDISP_CONTROL_LLD - Low level driver control constants start at
* this value.
*
* @param[in] what What to do.
* @param[in] value The value to use (always cast to a void *).
*
* @notapi
*/
void GDISP_LLD(control)(unsigned what, void *value) {
/* The hardware is capable of supporting...
* GDISP_CONTROL_POWER - not implemented yet
* GDISP_CONTROL_ORIENTATION - not implemented yet
* GDISP_CONTROL_BACKLIGHT - supported (the OlimexSAM7EX256 board.h currently only implements off/on although PWM is supported by the hardware)
* GDISP_CONTROL_CONTRAST - supported
*/
switch(what) {
#if 0
// NOT IMPLEMENTED YET
case GDISP_CONTROL_POWER:
if (GDISP.Powermode == (gdisp_powermode_t)value)
return;
switch((gdisp_powermode_t)value) {
case powerOff:
// Code here
break;
case powerOn:
// Code here
/* You may need this ---
* if (GDISP.Powermode != powerSleep)
* GDISP_LLD(init)();
*/
break;
case powerSleep:
/* Code here */
break;
default:
return;
}
GDISP.Powermode = (gdisp_powermode_t)value;
return;
#endif
#if 0
// NOT IMPLEMENTED YET
case GDISP_CONTROL_ORIENTATION:
if (GDISP.Orientation == (gdisp_orientation_t)value)
return;
// WriteSpiData(0x48); // no mirror Y (temporary to satisfy Olimex bmptoarray utility)
// WriteSpiData(0xC8); // restore to (mirror x and y, reverse rgb)
switch((gdisp_orientation_t)value) {
case GDISP_ROTATE_0:
// Code here
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_90:
// Code here
GDISP.Height = GDISP_SCREEN_WIDTH;
GDISP.Width = GDISP_SCREEN_HEIGHT;
break;
case GDISP_ROTATE_180:
// Code here
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_270:
// Code here
GDISP.Height = GDISP_SCREEN_WIDTH;
GDISP.Width = GDISP_SCREEN_HEIGHT;
break;
default:
return;
}
#if GDISP_NEED_CLIP || GDISP_NEED_VALIDATION
GDISP.clipx0 = 0;
GDISP.clipy0 = 0;
GDISP.clipx1 = GDISP.Width;
GDISP.clipy1 = GDISP.Height;
#endif
GDISP.Orientation = (gdisp_orientation_t)value;
return;
#endif
case GDISP_CONTROL_BACKLIGHT:
if ((unsigned)value > 100) value = (void *)100;
set_backlight((unsigned)value);
GDISP.Backlight = (unsigned)value;
return;
case GDISP_CONTROL_CONTRAST:
if ((unsigned)value > 100) value = (void *)100;
get_bus();
#if defined(GDISP_USE_GE8)
write_cmd2(VOLCTR, (unsigned)value, 0x03);
#elif defined(GDISP_USE_GE12)
write_cmd1(CONTRAST,(unsigned)value);
#endif
release_bus();
GDISP.Contrast = (unsigned)value;
return;
}
}
#endif
#endif /* GFX_USE_GDISP */
/** @} */
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