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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2010-05-11 02:41:08 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2010-05-11 02:41:08 +0000 |
commit | 9087e891c87e6ea92b2f6c290164630fb59fea60 (patch) | |
tree | e94cbab87a8a4d9401ac4938646486e04ecdf76a /nuttx | |
parent | 85b8f6e81a0fe8ef1a13816a8777fd1392f00669 (diff) | |
download | px4-nuttx-9087e891c87e6ea92b2f6c290164630fb59fea60.tar.gz px4-nuttx-9087e891c87e6ea92b2f6c290164630fb59fea60.tar.bz2 px4-nuttx-9087e891c87e6ea92b2f6c290164630fb59fea60.zip |
Oops last version was still in editor
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2663 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx')
-rwxr-xr-x | nuttx/drivers/lcd/skeleton.c | 778 |
1 files changed, 69 insertions, 709 deletions
diff --git a/nuttx/drivers/lcd/skeleton.c b/nuttx/drivers/lcd/skeleton.c index 971d8d885..b42d7f869 100755 --- a/nuttx/drivers/lcd/skeleton.c +++ b/nuttx/drivers/lcd/skeleton.c @@ -1,6 +1,5 @@ /************************************************************************************** - * configs/sam3u-ek/src/up_lcd.c - * arch/arm/src/board/up_lcd.c + * drivers/lcd/skeleton.c * * Copyright (C) 2010 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <spudmonkey@racsa.co.cr> @@ -35,77 +34,6 @@ **************************************************************************************/ /************************************************************************************** - * The SAM3U-EK developement board features a TFT/Transmissive color LCD module with - * touch-screen, FTM280C12D, with integratd driver IC HX8346. The LCD display size - * is 2.8 inches, with a native resolution of 240 x 320 pixels. - * - * LCD Module Pin Out: AT91SAM3U PIO: - * -------------------------------------------- -------------------------------------- - * Pin Symbol Function LCD PeriphA PeriphB Extra - * ---- ------ -------------------------------- -------------- -------- ------- ------ - * 1 GND Ground N/A --- --- --- - * 2 CS Chip Select PC16 NCS2 PWML3 AD12BAD5 - * 3 RS Register select signal PB8 (see A1) CTS0 A1 AD3 - * 4 WR Write operation signal PB23 (NWE) NWR0/NEW PCK1 --- - * 5 RD Read operation signal PB19 (NRD) NRD PWML2 --- - * 6 DB0 Data bus PB9 D0 DTR0 --- - * 7 DB1 Data bus PB10 D1 DSR0 --- - * 8 DB2 Data bus PB11 D2 DCD0 --- - * 9 DB3 Data bus PB12 D3 RI0 --- - * 10 DB4 Data bus PB13 D4 PWMH0 --- - * 11 DB5 Data bus PB14 D5 PWMH1 --- - * 12 DB6 Data bus PB15 D6 PWMH2 --- - * 13 DB7 Data bus PB16 D7 PMWH3 --- - * 14 DB8 Data bus PB25 D8 PWML0 --- - * 15 DB9 Data bus PB26 D9 PWML1 --- - * 16 DB10 Data bus PB27 D10 PWML2 --- - * 17 DB11 Data bus PB28 D11 PWML3 --- - * 18 DB12 Data bus PB29 D12 --- --- - * 19 DB13 Data bus PB30 D13 --- --- - * 20 DB14 Data bus PB31 D14 --- --- - * 21 DB15 Data bus PB6 TIOA1 D15 AD1 - * 22 NC No connection N/A --- --- --- - * 23 NC No connection N/A --- --- --- - * 24 RESET Reset signal N/A --- --- --- - * 25 GND Ground N/A --- --- --- - * 26 X+ Touch panel X_RIGHT PA15 SPCK PWMH2 --- - * 27 Y+ Touch panel Y_UP PA14 MOSI --- --- - * 28 X- Touch panel X_LEFT PA13 MISO --- --- - * 29 Y- Touch panel Y_DOWN PC14 A3 NPCS2 --- - * 30 GND Ground N/A --- --- --- - * 31 VDD1 Power supply for digital IO Pad N/A --- --- --- - * 32 VDD2 Power supply for analog circuit N/A --- --- --- - * 33 A1 Power supply for backlight PB8 (see RS) CTS0 A1 AD3 - * 34 A2 Power supply for backlight N/A --- --- --- - * 35 A3 Power supply for backlight N/A --- --- --- - * 36 A4 Power supply for backlight N/A --- --- --- - * 37 NC No connection N/A --- --- --- - * 38 NC No connection N/A --- --- --- - * 39 K Backlight ground N/A --- --- --- - * - * The LCD module gets its reset from NRST. As explained previously, this NRST is - * shared with the JTAG port and the push button BP1. The LCD chip select signal is - * connected to NCS2 (a dedicated jumper can disable it, making NCS2 available for - * other custom usage). - * - * The SAM3U4E communicates with the LCD through PIOB where a 16-bit parallel - * “8080-like” protocol data bus has to be implemented by software. - * - * LCD backlight is made of 4 white chip LEDs in parallel, driven by an AAT3194 - * charge pump, MN4. The AAT3194 is controlled by the SAM3U4E through a single line - * Simple Serial Control (S2Cwire) interface, which permits to enable, disable, and - * set the LED drive current (LED brightness control) from a 32-level logarithmic - * scale. Four resistors R93/R94/R95/R96 are implemented for optional current - * limitation. - * - * The LCD module integrates a 4-wire touch screen panel controlled by - * MN5, ADS7843, which is a slave device on the SAM3U4E SPI bus. The ADS7843 touch - * ADC auxiliary inputs IN3/IN4 are connected to test points for optional function - * extension. - * - **************************************************************************************/ - -/************************************************************************************** * Included Files **************************************************************************************/ @@ -120,25 +48,21 @@ #include <nuttx/arch.h> #include <nuttx/lcd.h> -#include <nuttx/rgbcolors.h> #include <arch/irq.h> #include "up_arch.h" -#include "sam3u_pmc.h" -#include "sam3u_smc.h" -#include "sam3u_internal.h" -#include "sam3uek_internal.h" /************************************************************************************** * Pre-processor Definitions **************************************************************************************/ /* Configuration **********************************************************************/ +/* Verify that all configuration requirements have been met */ /* Define the following to enable register-level debug output */ -#undef CONFIG_LCD_REGDEBUG +#undef CONFIG_LCD_SKELDEBUG /* Verbose debug must also be enabled */ @@ -148,193 +72,60 @@ #endif #ifndef CONFIG_DEBUG_VERBOSE -# undef CONFIG_LCD_REGDEBUG +# undef CONFIG_LCD_SKELDEBUG #endif -/* CONFIG_LCD_MAXCONTRAST -- must be defined and less than 32 */ +/* Color Properties *******************************************************************/ -#if !defined(CONFIG_LCD_MAXCONTRAST) || CONFIG_LCD_MAXCONTRAST < 1 || CONFIG_LCD_MAXCONTRAST > 31 -# error "CONFIG_LCD_MAXCONTRAST must be defined in the range 1 to 31" -#endif +/* Display Resolution */ -/* Debug ******************************************************************************/ +#define SKEL_XRES 320 +#define SKEL_YRES 240 -#ifdef CONFIG_LCD_REGDEBUG -# define regdbg(format, arg...) vdbg(format, ##arg) -#else -# define regdbg(x...) -#endif +/* Color depth and format */ -/* Graphics Capbilities ***************************************************************/ +#define SKEL_BPP 16 +#define SKEL_COLORFMT FB_FMT_RGB16_565 -/* LCD resolution: 320 (columns) by 240 (rows). The physical dimensions of the device - * are really 240 (columns) by 320 (rows), but unless CONFIG_SAM3U_240x320 is defined, - * we swap rows and columns in setcursor to make things behave nicer (there IS a - * performance hit for this swap!). - */ +/* Debug ******************************************************************************/ -#ifdef CONFIG_SAM3U_240x320 -# define SAM3UEK_XRES 240 -# define SAM3UEK_YRES 320 +#ifdef CONFIG_LCD_SKELDEBUG +# define skeldbg(format, arg...) vdbg(format, ##arg) #else -# define SAM3UEK_XRES 320 -# define SAM3UEK_YRES 240 +# define skeldbg(x...) #endif -/* Color depth and format. BPP=16 R=6, G=6, B=5: RRRR RBBB BBBG GGGG */ - -#define SAM3UEK_BPP 16 -#define SAM3UEK_RGBFMT FB_FMT_RGB16_565 - -/* HX834x Definitions ****************************************************************/ - -/* HX834x register select */ - -#define HX843X_LCD_RS (1 << 1) - -/* HX8347 ID code */ - -#define HX8347_CHIPID 0x47 - -/* HX8347 LCD Registers */ - -#define HX8347_R00H 0x00 -#define HX8347_R01H 0x01 -#define HX8347_R02H 0x02 -#define HX8347_R03H 0x03 -#define HX8347_R04H 0x04 -#define HX8347_R05H 0x05 -#define HX8347_R06H 0x06 -#define HX8347_R07H 0x07 -#define HX8347_R08H 0x08 -#define HX8347_R09H 0x09 -#define HX8347_R0AH 0x0a -#define HX8347_R0CH 0x0c -#define HX8347_R0DH 0x0d -#define HX8347_R0EH 0x0e -#define HX8347_R0FH 0x0f -#define HX8347_R10H 0x10 -#define HX8347_R11H 0x11 -#define HX8347_R12H 0x12 -#define HX8347_R13H 0x13 -#define HX8347_R14H 0x14 -#define HX8347_R15H 0x15 -#define HX8347_R16H 0x16 -#define HX8347_R18H 0x18 -#define HX8347_R19H 0x19 -#define HX8347_R1AH 0x1a -#define HX8347_R1BH 0x1b -#define HX8347_R1CH 0x1c -#define HX8347_R1DH 0x1d -#define HX8347_R1EH 0x1e -#define HX8347_R1FH 0x1f -#define HX8347_R20H 0x20 -#define HX8347_R21H 0x21 -#define HX8347_R22H 0x22 -#define HX8347_R23H 0x23 -#define HX8347_R24H 0x24 -#define HX8347_R25H 0x25 -#define HX8347_R26H 0x26 -#define HX8347_R27H 0x27 -#define HX8347_R28H 0x28 -#define HX8347_R29H 0x29 -#define HX8347_R2AH 0x2a -#define HX8347_R2BH 0x2b -#define HX8347_R2CH 0x2c -#define HX8347_R2DH 0x2d -#define HX8347_R35H 0x35 -#define HX8347_R36H 0x36 -#define HX8347_R37H 0x37 -#define HX8347_R38H 0x38 -#define HX8347_R39H 0x39 -#define HX8347_R3AH 0x3a -#define HX8347_R3BH 0x3b -#define HX8347_R3CH 0x3c -#define HX8347_R3DH 0x3d -#define HX8347_R3EH 0x3e -#define HX8347_R40H 0x40 -#define HX8347_R41H 0x41 -#define HX8347_R42H 0x42 -#define HX8347_R43H 0x43 -#define HX8347_R44H 0x44 -#define HX8347_R45H 0x45 -#define HX8347_R46H 0x46 -#define HX8347_R47H 0x47 -#define HX8347_R48H 0x48 -#define HX8347_R49H 0x49 -#define HX8347_R4AH 0x4a -#define HX8347_R4BH 0x4b -#define HX8347_R4CH 0x4c -#define HX8347_R4DH 0x4d -#define HX8347_R4EH 0x4e -#define HX8347_R4FH 0x4f -#define HX8347_R50H 0x50 -#define HX8347_R51H 0x51 -#define HX8347_R64H 0x64 -#define HX8347_R65H 0x65 -#define HX8347_R66H 0x66 -#define HX8347_R67H 0x67 -#define HX8347_R70H 0x70 -#define HX8347_R72H 0x72 -#define HX8347_R90H 0x90 -#define HX8347_R91H 0x91 -#define HX8347_R93H 0x93 -#define HX8347_R94H 0x94 -#define HX8347_R95H 0x95 - /************************************************************************************** * Private Type Definition **************************************************************************************/ /* This structure describes the state of this driver */ -struct sam3u_dev_s +struct skel_dev_s { /* Publically visible device structure */ struct lcd_dev_s dev; - /* Private device state */ - - uint8_t power; /* The current power setting */ + /* Private LCD-specific information follows */ }; /************************************************************************************** * Private Function Protototypes **************************************************************************************/ -/* Low-level HX834x Register access */ - -static void sam3u_putreg(uint16_t reg, uint16_t data); -static uint16_t sam3u_getreg(uint16_t reg); - -/* Misc. LCD Helper Functions */ - -static void sam3u_setcursor(fb_coord_t row, fb_coord_t col); -static inline void sam3u_wrsetup(void); -static inline void sam3u_wrram(uint16_t color); -static inline uint16_t sam3u_rdram(void); -static void sam3u_lcdon(void); -static void sam3u_lcdoff(void); - -#ifdef CONFIG_DEBUG_GRAPHICS -static void sam3u_dumpreg(uint8_t startreg, uint8_t endreg); -#else -# define sam3u_dumpreg(startreg,endreg) -#endif - /* LCD Data Transfer Methods */ -static int sam3u_putrun(fb_coord_t row, fb_coord_t col, FAR const uint8_t *buffer, +static int skel_putrun(fb_coord_t row, fb_coord_t col, FAR const uint8_t *buffer, size_t npixels); -static int sam3u_getrun(fb_coord_t row, fb_coord_t col, FAR uint8_t *buffer, +static int skel_getrun(fb_coord_t row, fb_coord_t col, FAR uint8_t *buffer, size_t npixels); /* LCD Configuration */ -static int sam3u_getvideoinfo(FAR struct lcd_dev_s *dev, +static int skel_getvideoinfo(FAR struct lcd_dev_s *dev, FAR struct fb_videoinfo_s *vinfo); -static int sam3u_getplaneinfo(FAR struct lcd_dev_s *dev, unsigned int planeno, +static int skel_getplaneinfo(FAR struct lcd_dev_s *dev, unsigned int planeno, FAR struct lcd_planeinfo_s *pinfo); /* LCD RGB Mapping */ @@ -351,10 +142,10 @@ static int sam3u_getplaneinfo(FAR struct lcd_dev_s *dev, unsigned int planeno, /* LCD Specific Controls */ -static int sam3u_getpower(struct lcd_dev_s *dev); -static int sam3u_setpower(struct lcd_dev_s *dev, int power); -static int sam3u_getcontrast(struct lcd_dev_s *dev); -static int sam3u_setcontrast(struct lcd_dev_s *dev, unsigned int contrast); +static int skel_getpower(struct lcd_dev_s *dev); +static int skel_setpower(struct lcd_dev_s *dev, int power); +static int skel_getcontrast(struct lcd_dev_s *dev); +static int skel_setcontrast(struct lcd_dev_s *dev, unsigned int contrast); /************************************************************************************** * Private Data @@ -371,48 +162,48 @@ static int sam3u_setcontrast(struct lcd_dev_s *dev, unsigned int contrast); * if there are multiple LCD devices, they must each have unique run buffers. */ -static uint16_t g_runbuffer[SAM3UEK_XRES]; +static uint16_t g_runbuffer[SKEL_XRES]; /* This structure describes the overall LCD video controller */ static const struct fb_videoinfo_s g_videoinfo = { - .fmt = SAM3UEK_RGBFMT, /* Color format: RGB16-565: RRRR RGGG GGGB BBBB */ - .xres = SAM3UEK_XRES, /* Horizontal resolution in pixel columns */ - .yres = SAM3UEK_YRES, /* Vertical resolution in pixel rows */ - .nplanes = 1, /* Number of color planes supported */ + .fmt = SKEL_COLORFMT, /* Color format: RGB16-565: RRRR RGGG GGGB BBBB */ + .xres = SKEL_XRES, /* Horizontal resolution in pixel columns */ + .yres = SKEL_YRES, /* Vertical resolution in pixel rows */ + .nplanes = 1, /* Number of color planes supported */ }; /* This is the standard, NuttX Plane information object */ static const struct lcd_planeinfo_s g_planeinfo = { - .putrun = sam3u_putrun, /* Put a run into LCD memory */ - .getrun = sam3u_getrun, /* Get a run from LCD memory */ + .putrun = skel_putrun, /* Put a run into LCD memory */ + .getrun = skel_getrun, /* Get a run from LCD memory */ .buffer = (uint8_t*)g_runbuffer, /* Run scratch buffer */ - .bpp = SAM3UEK_BPP, /* Bits-per-pixel */ + .bpp = SKEL_BPP, /* Bits-per-pixel */ }; /* This is the standard, NuttX LCD driver object */ -static struct sam3u_dev_s g_lcddev_s = +static struct skel_dev_s g_lcddev_s = { .dev = { /* LCD Configuration */ - .getvideoinfo = sam3u_getvideoinfo, - .getplaneinfo = sam3u_getplaneinfo, + .getvideoinfo = skel_getvideoinfo, + .getplaneinfo = skel_getplaneinfo, /* LCD RGB Mapping -- Not supported */ /* Cursor Controls -- Not supported */ /* LCD Specific Controls */ - .getpower = sam3u_getpower, - .setpower = sam3u_setpower, - .getcontrast = sam3u_getcontrast, - .setcontrast = sam3u_setcontrast, + .getpower = skel_getpower, + .setpower = skel_setpower, + .getcontrast = skel_getcontrast, + .setcontrast = skel_setcontrast, }, }; @@ -421,168 +212,7 @@ static struct sam3u_dev_s g_lcddev_s = **************************************************************************************/ /************************************************************************************** - * Name: sam3u_putreg - * - * Description: - * Write to a HX834x register - * - **************************************************************************************/ - -static void sam3u_putreg(uint16_t reg, uint16_t data) -{ - regdbg("base: %08x RS: %04x data: %04x\n", LCD_BASE, LCD_BASE + HX843X_LCD_RS, data); - putreg16(reg, LCD_BASE); - putreg16(data, LCD_BASE + HX843X_LCD_RS); -} - -/************************************************************************************** - * Name: sam3u_getreg - * - * Description: - * Read from a HX834x register - * - **************************************************************************************/ - -static uint16_t sam3u_getreg(uint16_t reg) -{ - uint16_t data; - putreg16(reg, LCD_BASE); - data = getreg16(LCD_BASE + HX843X_LCD_RS); - regdbg("base: %08x RS: %04x data: %04x\n", LCD_BASE, LCD_BASE + HX843X_LCD_RS, data); - return data; -} - -/************************************************************************************** - * Name: sam3u_setcursor - * - * Description: - * Set the LCD cursor position. - * - **************************************************************************************/ - -static void sam3u_setcursor(fb_coord_t row, fb_coord_t col) -{ - uint8_t x1; - uint8_t x2; - uint8_t y1; - uint8_t y2; - - /* Get the upper and lower x and y positions */ - - x1 = (uint8_t)col; - x2 = (uint8_t)((uint16_t)col >> 8); - - y1 = (uint8_t)row; - y2 = (uint8_t)((uint16_t)row >> 8); - - /* Then set the cursor position */ - - sam3u_putreg(HX8347_R02H, x2); /* column high */ - sam3u_putreg(HX8347_R03H, x1); /* column low */ - sam3u_putreg(HX8347_R06H, y2); /* row high */ - sam3u_putreg(HX8347_R07H, y1); /* row low */ -} - -/************************************************************************************** - * Name: sam3u_wrsetup - * - * Description: - * Set up for a GRAM write operation. - * - **************************************************************************************/ - -static inline void sam3u_wrsetup(void) -{ - putreg16(HX8347_R22H, LCD_BASE); -} - -/************************************************************************************** - * Name: sam3u_wrram - * - * Description: - * Write to the 16-bit GRAM register - * - **************************************************************************************/ - -static inline void sam3u_wrram(uint16_t color) -{ - putreg16(color, LCD_BASE + HX843X_LCD_RS); -} - -/************************************************************************************** - * Name: sam3u_rdram - * - * Description: - * Read from the 16-bit GRAM register - * - **************************************************************************************/ - -static inline uint16_t sam3u_rdram(void) -{ - return getreg16(LCD_BASE + HX843X_LCD_RS); -} - -/************************************************************************************** - * Name: sam3u_lcdon - * - * Description: - * Turn the LCD on - * - **************************************************************************************/ - -static void sam3u_lcdon(void) -{ - /* Display ON Setting */ - - gvdbg("ON\n"); - sam3u_putreg(HX8347_R90H, 0x7f); /* SAP=0111 1111 */ - sam3u_putreg(HX8347_R26H, 0x04); /* GON=0 DTE=0 D=01 */ - up_mdelay(100); - sam3u_putreg(HX8347_R26H, 0x24); /* GON=1 DTE=0 D=01 */ - sam3u_putreg(HX8347_R26H, 0x2c); /* GON=1 DTE=0 D=11 */ - up_mdelay(100); - sam3u_putreg(HX8347_R26H, 0x3c); /* GON=1 DTE=1 D=11 */ -} - -/************************************************************************************** - * Name: sam3u_lcdoff - * - * Description: - * Turn the LCD off - * - **************************************************************************************/ - -static void sam3u_lcdoff(void) -{ - gvdbg("OFF\n"); - sam3u_putreg(HX8347_R90H, 0x00); /* SAP=0000 0000 */ - sam3u_putreg(HX8347_R26H, 0x00); /* GON=0 DTE=0 D=00 */ -} - -/************************************************************************************** - * Name: sam3u_dumpreg - * - * Description: - * Dump a range of LCD registers. - * - **************************************************************************************/ - -#ifdef CONFIG_DEBUG_GRAPHICS -static void sam3u_dumpreg(uint8_t startreg, uint8_t endreg) -{ - uint16_t value; - uint8_t addr; - - for (addr = startreg; addr <= endreg; addr++) - { - value = sam3u_getreg(addr); - gdbg(" %02x: %04x\n", addr, value); - } -} -#endif - -/************************************************************************************** - * Name: sam3u_putrun + * Name: skel_putrun * * Description: * This method can be used to write a partial raster line to the LCD: @@ -595,60 +225,23 @@ static void sam3u_dumpreg(uint8_t startreg, uint8_t endreg) * **************************************************************************************/ -static int sam3u_putrun(fb_coord_t row, fb_coord_t col, FAR const uint8_t *buffer, - size_t npixels) +static int skel_putrun(fb_coord_t row, fb_coord_t col, FAR const uint8_t *buffer, + size_t npixels) { - uint16_t *run = (uint16_t*)buffer; - unsigned int i; - /* Buffer must be provided and aligned to a 16-bit address boundary */ gvdbg("row: %d col: %d npixels: %d\n", row, col, npixels); DEBUGASSERT(buffer && ((uintptr_t)buffer & 1) == 0); -#ifdef CONFIG_SAM3U_240x320 /* Set up to write the run. */ - sam3u_setcursor(row, col); - sam3u_wrsetup(); - /* Write the run to GRAM. */ - for (i = 0; i < npixels; i++) - { - /* Write the pixel pixel to GRAM */ - - sam3u_wrram(*run++); - } -#else - /* Write the run to GRAM. Because rows and colums are swapped, we need to reset - * the cursor position for every pixel. We could do this much faster if we - * adapted to the strange device aspect ratio. - */ - - col = 319-col; - for (i = 0; i < npixels; i++) - { - /* Set up to write the next pixel. Swapping x and y orientations so that the image - * comes out with the 320x240 aspect ratio (not the native 240x320). That is: - * - * row: 0-239 maps to x: 0-239 - * col: 0-319 maps to y: 319-0 - */ - - sam3u_setcursor(col--, row); - sam3u_wrsetup(); - - /* Write the pixel pixel to GRAM */ - - sam3u_wrram(*run++); - } -#endif return OK; } /************************************************************************************** - * Name: sam3u_getrun + * Name: skel_getrun * * Description: * This method can be used to read a partial raster line from the LCD: @@ -661,62 +254,30 @@ static int sam3u_putrun(fb_coord_t row, fb_coord_t col, FAR const uint8_t *buffe * **************************************************************************************/ -static int sam3u_getrun(fb_coord_t row, fb_coord_t col, FAR uint8_t *buffer, - size_t npixels) +static int skel_getrun(fb_coord_t row, fb_coord_t col, FAR uint8_t *buffer, + size_t npixels) { - uint16_t *run = (uint16_t*)buffer; - unsigned int i; - /* Buffer must be provided and aligned to a 16-bit address boundary */ gvdbg("row: %d col: %d npixels: %d\n", row, col, npixels); DEBUGASSERT(buffer && ((uintptr_t)buffer & 1) == 0); -#ifdef CONFIG_SAM3U_240x320 /* Set up to read the run */ - sam3u_setcursor(row, col); - /* Read the run from GRAM. */ - for (i = 0; i < npixels; i++) - { - /* Read the next pixel */ - - *run++ = sam3u_rdram(); - } -#else - /* Read the run from GRAM Because rows and colums are swapped, we need to reset - * the cursor position for every pixel. We could do this much faster if we - * adapted to the strange device aspect ratio. - */ - - col = 319 - col; - for (i = 0; i < npixels; i++) - { - /* Read the next pixel.. Swapping x and y orientations so that the image - * comes out with the 320x240 aspect ratio (not the native 240x320). That is: - * - * row: 0-239 maps to x: 0-239 - * col: 0-319 maps to y: 319-0 - */ - - sam3u_setcursor(col--, row); - *run++ = sam3u_rdram(); - } -#endif return OK; } /************************************************************************************** - * Name: sam3u_getvideoinfo + * Name: skel_getvideoinfo * * Description: * Get information about the LCD video controller configuration. * **************************************************************************************/ -static int sam3u_getvideoinfo(FAR struct lcd_dev_s *dev, +static int skel_getvideoinfo(FAR struct lcd_dev_s *dev, FAR struct fb_videoinfo_s *vinfo) { DEBUGASSERT(dev && vinfo); @@ -727,14 +288,14 @@ static int sam3u_getvideoinfo(FAR struct lcd_dev_s *dev, } /************************************************************************************** - * Name: sam3u_getplaneinfo + * Name: skel_getplaneinfo * * Description: * Get information about the configuration of each LCD color plane. * **************************************************************************************/ -static int sam3u_getplaneinfo(FAR struct lcd_dev_s *dev, unsigned int planeno, +static int skel_getplaneinfo(FAR struct lcd_dev_s *dev, unsigned int planeno, FAR struct lcd_planeinfo_s *pinfo) { DEBUGASSERT(dev && pinfo && planeno == 0); @@ -744,7 +305,7 @@ static int sam3u_getplaneinfo(FAR struct lcd_dev_s *dev, unsigned int planeno, } /************************************************************************************** - * Name: sam3u_getpower + * Name: skel_getpower * * Description: * Get the LCD panel power status (0: full off - CONFIG_LCD_MAXPOWER: full on. On @@ -752,91 +313,57 @@ static int sam3u_getplaneinfo(FAR struct lcd_dev_s *dev, unsigned int planeno, * **************************************************************************************/ -static int sam3u_getpower(struct lcd_dev_s *dev) +static int skel_getpower(struct lcd_dev_s *dev) { - struct sam3u_dev_s *priv = (struct sam3u_dev_s *)dev; - DEBUGASSERT(dev); - gvdbg("power: %d\n", priv->power); - return priv->power; + struct skel_dev_s *priv = (struct skel_dev_s *)dev; + gvdbg("power: %d\n", 0); + return 0; } /************************************************************************************** - * Name: sam3u_setpower + * Name: skel_setpower * * Description: - * Enable/disable LCD panel power (0: full off - CONFIG_LCD_MAXPOWERL: full on). On + * Enable/disable LCD panel power (0: full off - CONFIG_LCD_MAXPOWER: full on). On * backlit LCDs, this setting may correspond to the backlight setting. * - * LCD backlight is made of 4 white chip LEDs in parallel, driven by an AAT3194 charge - * pump, MN4. The AAT3194 is controlled by the SAM3U4E through a single line. Simple - * Serial Control (S2Cwire) interface, which permits to enable, disable, and set the - * LED drive current (LED brightness control) from a 32-level logarithmic scale. Four - * resistors R93/R94/R95/R96 are implemented for optional current limitation. - * **************************************************************************************/ -static int sam3u_setpower(struct lcd_dev_s *dev, int power) +static int skel_setpower(struct lcd_dev_s *dev, int power) { - struct sam3u_dev_s *priv = (struct sam3u_dev_s *)dev; - unsigned int i; + struct skel_dev_s *priv = (struct skel_dev_s *)dev; gvdbg("power: %d\n", power); DEBUGASSERT(power <= CONFIG_LCD_MAXPOWER); - /* Switch off backlight */ + /* Set new power level */ - sam3u_gpiowrite(GPIO_LCD_BKL, false); - - /* For for at least 500uS to drain the charge pump */ - - up_udelay(500); - - /* Set new backlight level by pumping "level" times */ - - for (i = 0; i < power; i++) - { - sam3u_gpiowrite(GPIO_LCD_BKL, false); - sam3u_gpiowrite(GPIO_LCD_BKL, false); - sam3u_gpiowrite(GPIO_LCD_BKL, false); - sam3u_gpiowrite(GPIO_LCD_BKL, true);; - sam3u_gpiowrite(GPIO_LCD_BKL, true);; - sam3u_gpiowrite(GPIO_LCD_BKL, true);; - } - - /* This delay seems to be required... perhaps because of the big current jump? */ - - if (power != LCD_FULL_OFF) - { - up_mdelay(100); - } - - priv->power = power; return OK; } /************************************************************************************** - * Name: sam3u_getcontrast + * Name: skel_getcontrast * * Description: * Get the current contrast setting (0-CONFIG_LCD_MAXCONTRAST). * **************************************************************************************/ -static int sam3u_getcontrast(struct lcd_dev_s *dev) +static int skel_getcontrast(struct lcd_dev_s *dev) { gvdbg("Not implemented\n"); return -ENOSYS; } /************************************************************************************** - * Name: sam3u_getcontrast + * Name: skel_getcontrast * * Description: * Set LCD panel contrast (0-CONFIG_LCD_MAXCONTRAST). * **************************************************************************************/ -static int sam3u_setcontrast(struct lcd_dev_s *dev, unsigned int contrast) +static int skel_setcontrast(struct lcd_dev_s *dev, unsigned int contrast) { gvdbg("contrast: %d\n", contrast); return -ENOSYS; @@ -858,173 +385,14 @@ static int sam3u_setcontrast(struct lcd_dev_s *dev, unsigned int contrast) int up_lcdinitialize(void) { -#ifdef CONFIG_DEBUG_GRAPHICS - uint16_t hxregval; -#endif - uint32_t regval; - unsigned int i; - gvdbg("Initializing\n"); - /* Enable LCD EXTCS2 pins */ - - sam3u_configgpio(GPIO_LCD_NCS2); - sam3u_configgpio(GPIO_LCD_RS); - sam3u_configgpio(GPIO_LCD_NWE); - sam3u_configgpio(GPIO_LCD_NRD); - - sam3u_configgpio(GPIO_LCD_D0); - sam3u_configgpio(GPIO_LCD_D1); - sam3u_configgpio(GPIO_LCD_D2); - sam3u_configgpio(GPIO_LCD_D3); - sam3u_configgpio(GPIO_LCD_D4); - sam3u_configgpio(GPIO_LCD_D5); - sam3u_configgpio(GPIO_LCD_D6); - sam3u_configgpio(GPIO_LCD_D7); - sam3u_configgpio(GPIO_LCD_D8); - sam3u_configgpio(GPIO_LCD_D9); - sam3u_configgpio(GPIO_LCD_D10); - sam3u_configgpio(GPIO_LCD_D11); - sam3u_configgpio(GPIO_LCD_D12); - sam3u_configgpio(GPIO_LCD_D13); - sam3u_configgpio(GPIO_LCD_D14); - sam3u_configgpio(GPIO_LCD_D15); - -#ifdef CONFIG_LCD_REGDEBUG - sam3u_dumpgpio(GPIO_PORT_PIOB, "PORTB"); - sam3u_dumpgpio(GPIO_PORT_PIOC, "PORTC"); -#endif - - /* Configure LCD Backlight Pin */ - - sam3u_configgpio(GPIO_LCD_D15); - - /* Enable SMC peripheral clock */ - - putreg32((1 << SAM3U_PID_SMC), SAM3U_PMC_PCER); - regdbg("PMC PCSR: %08x SMC: %08x\n", getreg32(SAM3U_PMC_PCSR), (1 << SAM3U_PID_SMC)); - - /* Configure SMC CS2 */ - - regval = (4 << SMCCS_SETUP_NWESETUP_SHIFT) | (2 << SMCCS_SETUP_NCSWRSETUP_SHIFT) | - (4 << SMCCS_SETUP_NRDSETUP_SHIFT) | (2 << SMCCS_SETUP_NCSRDSETUP_SHIFT); - putreg32(regval, SAM3U_SMCCS_SETUP(2)); - - regval = (5 << SMCCS_PULSE_NWEPULSE_SHIFT) | (18 << SMCCS_PULSE_NCSWRPULSE_SHIFT) | - (5 << SMCCS_PULSE_RDPULSE_SHIFT) | (18 << SMCCS_PULSE_NCSRDPULSE_SHIFT); - putreg32(regval, SAM3U_SMCCS_PULSE(2)); - - regval = (22 << SMCCS_CYCLE_NWECYCLE_SHIFT) | (22 << SMCCS_CYCLE_NRDCYCLE_SHIFT); - putreg32(regval, SAM3U_SMCCS_CYCLE(2)); + /* Configure GPIO pins */ - regval = getreg32(SAM3U_SMCCS_MODE(2)); - regval &= ~(SMCCS_MODE_DBW_MASK | SMCCS_MODE_PMEN); - regval |= (SMCCS_MODE_READMODE) | (SMCCS_MODE_WRITEMODE) | (SMCCS_MODE_DBW_16BITS); - putreg32(regval, SAM3U_SMCCS_MODE(2)); + /* Enable clocking / - regdbg("SMC SETUP[%08x]: %08x PULSE[%08x]: %08x\n", - SAM3U_SMCCS_SETUP(2), getreg32(SAM3U_SMCCS_SETUP(2)), - SAM3U_SMCCS_PULSE(2), getreg32(SAM3U_SMCCS_PULSE(2))); - regdbg(" CYCLE[%08x]: %08x MODE[%08x]: %08x\n", - SAM3U_SMCCS_CYCLE(2), getreg32(SAM3U_SMCCS_CYCLE(2)), - SAM3U_SMCCS_MODE(2), getreg32(SAM3U_SMCCS_MODE(2))); - - /* Check HX8347 Chip ID */ - -#ifdef CONFIG_DEBUG_GRAPHICS - hxregval = sam3u_getreg(HX8347_R67H); - gvdbg("Chip ID: %04x\n", hxregval); - if (hxregval != HX8347_CHIPID) - { - gdbg("Bad chip ID: %04x Expected: %04x\n", hxregval, HX8347_CHIPID); - return -ENODEV; - } -#endif - - /* Initialize LCD controller (HX8347) -- Magic code from Atmel LCD example */ - - /* Start internal OSC */ - - sam3u_putreg(HX8347_R19H, 0x49); /* OSCADJ=10 0000 OSD_EN=1 60Hz */ - sam3u_putreg(HX8347_R93H, 0x0C); /* RADJ=1100 */ - - /* Power on flow */ - - sam3u_putreg(HX8347_R44H, 0x4D); /* VCM=100 1101 */ - sam3u_putreg(HX8347_R45H, 0x11); /* VDV=1 0001 */ - sam3u_putreg(HX8347_R20H, 0x40); /* BT=0100 */ - sam3u_putreg(HX8347_R1DH, 0x07); /* VC1=111 */ - sam3u_putreg(HX8347_R1EH, 0x00); /* VC3=000 */ - sam3u_putreg(HX8347_R1FH, 0x04); /* VRH=0100 */ - sam3u_putreg(HX8347_R1CH, 0x04); /* AP=100 */ - sam3u_putreg(HX8347_R1BH, 0x10); /* GASENB=0 PON=1 DK=0 XDK=0 DDVDH_TRI=0 STB=0 */ - up_mdelay(50); - sam3u_putreg(HX8347_R43H, 0x80); /* Set VCOMG=1 */ - up_mdelay(50); - - /* Gamma for CMO 2.8 */ - - sam3u_putreg(HX8347_R46H, 0x95); - sam3u_putreg(HX8347_R47H, 0x51); - sam3u_putreg(HX8347_R48H, 0x00); - sam3u_putreg(HX8347_R49H, 0x36); - sam3u_putreg(HX8347_R4AH, 0x11); - sam3u_putreg(HX8347_R4BH, 0x66); - sam3u_putreg(HX8347_R4CH, 0x14); - sam3u_putreg(HX8347_R4DH, 0x77); - sam3u_putreg(HX8347_R4EH, 0x13); - sam3u_putreg(HX8347_R4FH, 0x4c); - sam3u_putreg(HX8347_R50H, 0x46); - sam3u_putreg(HX8347_R51H, 0x46); - - /* 240x320 window setting */ - - sam3u_putreg(HX8347_R02H, 0x00); /* Column address start2 */ - sam3u_putreg(HX8347_R03H, 0x00); /* Column address start1 */ - sam3u_putreg(HX8347_R04H, 0x00); /* Column address end2 */ - sam3u_putreg(HX8347_R05H, 0xef); /* Column address end1 */ - sam3u_putreg(HX8347_R06H, 0x00); /* Row address start2 */ - sam3u_putreg(HX8347_R07H, 0x00); /* Row address start1 */ - sam3u_putreg(HX8347_R08H, 0x01); /* Row address end2 */ - sam3u_putreg(HX8347_R09H, 0x3f); /* Row address end1 */ - - /* Display Setting */ - - sam3u_putreg(HX8347_R01H, 0x06); /* IDMON=0 INVON=1 NORON=1 PTLON=0 */ - sam3u_putreg(HX8347_R16H, 0xc8); /* MY=1 MX=1 MV=0 BGR=1 */ - sam3u_putreg(HX8347_R23H, 0x95); /* N_DC=1001 0101 */ - sam3u_putreg(HX8347_R24H, 0x95); /* P_DC=1001 0101 */ - sam3u_putreg(HX8347_R25H, 0xff); /* I_DC=1111 1111 */ - sam3u_putreg(HX8347_R27H, 0x06); /* N_BP=0000 0110 */ - sam3u_putreg(HX8347_R28H, 0x06); /* N_FP=0000 0110 */ - sam3u_putreg(HX8347_R29H, 0x06); /* P_BP=0000 0110 */ - sam3u_putreg(HX8347_R2AH, 0x06); /* P_FP=0000 0110 */ - sam3u_putreg(HX8347_R2CH, 0x06); /* I_BP=0000 0110 */ - sam3u_putreg(HX8347_R2DH, 0x06); /* I_FP=0000 0110 */ - sam3u_putreg(HX8347_R3AH, 0x01); /* N_RTN=0000 N_NW=001 */ - sam3u_putreg(HX8347_R3BH, 0x01); /* P_RTN=0000 P_NW=001 */ - sam3u_putreg(HX8347_R3CH, 0xf0); /* I_RTN=1111 I_NW=000 */ - sam3u_putreg(HX8347_R3DH, 0x00); /* DIV=00 */ - sam3u_putreg(HX8347_R3EH, 0x38); /* SON=38h */ - sam3u_putreg(HX8347_R40H, 0x0f); /* GDON=0Fh */ - sam3u_putreg(HX8347_R41H, 0xf0); /* GDOF=F0h */ - - /* Set LCD backlight to FULL off */ - - sam3u_setpower(&g_lcddev_s.dev, LCD_FULL_OFF); - - /* Fill the display memory with the color BLACK */ - - sam3u_setcursor(0, 0); - sam3u_wrsetup(); - for (i = 0; i < (SAM3UEK_XRES * SAM3UEK_YRES); i++) - { - sam3u_wrram(RGB16_BLACK); - } - - /* Turn the LCD on (but with the backlight off) */ - - sam3u_lcdon(); + /* Configure and enable LCD */ + return OK; } @@ -1055,15 +423,7 @@ void up_lcduninitialize(void) { /* Turn the LCD off */ - sam3u_lcdoff(); - - /* Set LCD backlight to FULL off */ - - sam3u_setpower(&g_lcddev_s.dev, LCD_FULL_OFF); - - /* Disable SMC peripheral clock */ - - putreg32((1 << SAM3U_PID_SMC), SAM3U_PMC_PCDR); + /* Disable clocking */ } |