From 86951a8b2ff976e7b8eaa47f6b62347ab71260e8 Mon Sep 17 00:00:00 2001 From: Joel Bodenmann Date: Tue, 21 May 2013 00:13:22 +0200 Subject: Added HX8347D driver by the user Eddie --- drivers/gdisp/HX8347D/HX8347D.h | 143 ++++++ drivers/gdisp/HX8347D/gdisp_lld.c | 495 +++++++++++++++++++++ drivers/gdisp/HX8347D/gdisp_lld.mk | 5 + .../HX8347D/gdisp_lld_board_st_stm32f4_discovery.h | 202 +++++++++ drivers/gdisp/HX8347D/gdisp_lld_config.h | 39 ++ drivers/gdisp/HX8347D/readme.txt | 24 + 6 files changed, 908 insertions(+) create mode 100644 drivers/gdisp/HX8347D/HX8347D.h create mode 100644 drivers/gdisp/HX8347D/gdisp_lld.c create mode 100644 drivers/gdisp/HX8347D/gdisp_lld.mk create mode 100644 drivers/gdisp/HX8347D/gdisp_lld_board_st_stm32f4_discovery.h create mode 100644 drivers/gdisp/HX8347D/gdisp_lld_config.h create mode 100644 drivers/gdisp/HX8347D/readme.txt (limited to 'drivers') diff --git a/drivers/gdisp/HX8347D/HX8347D.h b/drivers/gdisp/HX8347D/HX8347D.h new file mode 100644 index 00000000..c0cb18fb --- /dev/null +++ b/drivers/gdisp/HX8347D/HX8347D.h @@ -0,0 +1,143 @@ +/* + * This file is subject to the terms of the GFX License, v1.0. If a copy of + * the license was not distributed with this file, you can obtain one at: + * + * http://chibios-gfx.com/license.html + */ + +/** + * @file drivers/gdisp/HX8347D/HX8347D.h + * @brief GDISP Graphic Driver support header for the HX8347D display. + * + * @addtogroup GDISP + * @{ + */ + +#ifndef _HX8347D_H +#define _HX8347D_H + +/* HX8347D registers */ + +/* page 0 registers */ +#define HX8347D_REG_HID 0x00 /* Himax ID */ +#define HX8347D_REG_DMODE 0x01 /* Display mode control */ +#define HX8347D_REG_SCH 0x02 /* Column address start high */ +#define HX8347D_REG_SCL 0x03 /* Column address start low */ +#define HX8347D_REG_ECH 0x04 /* Column address end high */ +#define HX8347D_REG_ECL 0x05 /* Column address end low */ +#define HX8347D_REG_SPH 0x06 /* Row address start high */ +#define HX8347D_REG_SPL 0x07 /* Row address start low */ +#define HX8347D_REG_EPH 0x08 /* Row address end high */ +#define HX8347D_REG_EPL 0x09 /* Row address end low */ +#define HX8347D_REG_PSLH 0x0a /* Partial area start row high */ +#define HX8347D_REG_PSLL 0x0b /* Partial area start row low */ +#define HX8347D_REG_PELH 0x0c /* Partial area end row high */ +#define HX8347D_REG_PELL 0x0d /* Partial area end row low */ +#define HX8347D_REG_TFAH 0x0e /* Vertical srcoll top fixed area high */ +#define HX8347D_REG_TFAL 0x0f /* Vertical scroll top fixed area low */ + +#define HX8347D_REG_VSAH 0x10 /* Vertical scroll height area high */ +#define HX8347D_REG_VSAL 0x11 /* Vertical scroll height area low */ +#define HX8347D_REG_BFAH 0x12 /* Vertical scroll button area high */ +#define HX8347D_REG_BFAL 0x13 /* Vertical scroll button area low */ +#define HX8347D_REG_VSPH 0x14 /* Vertical scroll start address high */ +#define HX8347D_REG_VSPL 0x15 /* Vertical scroll start address low */ +#define HX8347D_REG_MAC 0x16 /* Memory access control */ +#define HX8347D_REG_COLMOD 0x17 /* COLMOD */ +#define HX8347D_REG_OSCCH 0x18 /* OSC control 2 */ +#define HX8347D_REG_OSCCL 0x19 /* OSC control 1 */ +#define HX8347D_REG_PWC1 0x1a /* Power control 1 */ +#define HX8347D_REG_PWC2 0x1b /* Power control 2 */ +#define HX8347D_REG_PWC3 0x1c /* Power control 3 */ +#define HX8347D_REG_PWC4 0x1d /* Power control 4 */ +#define HX8347D_REG_PWC5 0x1e /* Power control 5 */ +#define HX8347D_REG_PWC6 0x1f /* Power control 6 */ + +#define HX8347D_REG_SRAMWC 0x22 /* SRAM write control */ +#define HX8347D_REG_VMF 0x23 /* VCOM control 1 */ +#define HX8347D_REG_VMH 0x24 /* VCOM control 2 */ +#define HX8347D_REG_VML 0x25 /* VCOM control 3 */ +#define HX8347D_REG_DC1 0x26 /* Display control 1 */ +#define HX8347D_REG_DC2 0x27 /* Display control 2 */ +#define HX8347D_REG_DC3 0x28 /* Display control 3 */ +#define HX8347D_REG_FRC1 0x29 /* Frame rate control 1 */ +#define HX8347D_REG_FRC2 0x2a /* Frame rate control 2 */ +#define HX8347D_REG_FRC3 0x2b /* Frame rate control 3 */ +#define HX8347D_REG_FRC4 0x2c /* Frame rate control 4 */ +#define HX8347D_REG_GDON 0x2d /* Cycle control 1 */ +#define HX8347D_REG_GDOF 0x2e /* Cycle control 2 */ +#define HX8347D_REG_DINV 0x2f /* Display inversion */ + +#define HX8347D_REG_RGB1 0x31 /* RGB interface control 1 */ +#define HX8347D_REG_RGB2 0x32 /* RGB interface control 2 */ +#define HX8347D_REG_RGB3 0x33 /* RGB interface control 3 */ +#define HX8347D_REG_RGB4 0x34 /* RGB interface control 4 */ +#define HX8347D_REG_PCH 0x36 /* Panel characteristic */ +#define HX8347D_REG_OTP1 0x38 /* OTP control 1 */ +#define HX8347D_REG_OTP2 0x39 /* OTP control 2 */ +#define HX8347D_REG_OTP3 0x3a /* OTP control 3 */ +#define HX8347D_REG_CABC1 0x3c /* CABC control 1 */ +#define HX8347D_REG_CABC2 0x3d /* CABC control 2 */ +#define HX8347D_REG_CABC3 0x3e /* CABC control 3 */ +#define HX8347D_REG_CABC4 0x3f /* CABC control 4 */ + +#define HX8347D_REG_VRP0 0x40 /* Gamma control 1 */ +#define HX8347D_REG_VRP1 0x41 /* Gamma control 2 */ +#define HX8347D_REG_VRP2 0x42 /* Gamma control 3 */ +#define HX8347D_REG_VRP3 0x43 /* Gamma control 4 */ +#define HX8347D_REG_VRP4 0x44 /* Gamma control 5 */ +#define HX8347D_REG_VRP5 0x45 /* Gamma control 6 */ +#define HX8347D_REG_PRP0 0x46 /* Gamma control 7 */ +#define HX8347D_REG_PRP1 0x47 /* Gamma control 8 */ +#define HX8347D_REG_PKP0 0x48 /* Gamma control 9 */ +#define HX8347D_REG_PKP1 0x49 /* Gamma control 10 */ +#define HX8347D_REG_PKP2 0x4a /* Gamma control 11 */ +#define HX8347D_REG_PKP3 0x4b /* Gamma control 12 */ +#define HX8347D_REG_PKP4 0x4c /* Gamma control 13 */ + +#define HX8347D_REG_VRN0 0x50 /* Gamma control 14 */ +#define HX8347D_REG_VRN1 0x51 /* Gamma control 15 */ +#define HX8347D_REG_VRN2 0x52 /* Gamma control 16 */ +#define HX8347D_REG_VRN3 0x53 /* Gamma control 17 */ +#define HX8347D_REG_VRN4 0x54 /* Gamma control 18 */ +#define HX8347D_REG_VRN5 0x55 /* Gamma control 19 */ +#define HX8347D_REG_PRN0 0x56 /* Gamma control 20 */ +#define HX8347D_REG_PRN1 0x57 /* Gamma control 21 */ +#define HX8347D_REG_PKN0 0x58 /* Gamma control 22 */ +#define HX8347D_REG_PKN1 0x59 /* Gamma control 23 */ +#define HX8347D_REG_PKN2 0x5a /* Gamma control 24 */ +#define HX8347D_REG_PKN3 0x5b /* Gamma control 25 */ +#define HX8347D_REG_PKN4 0x5c /* Gamma control 26 */ +#define HX8347D_REG_CGM 0x5d /* Gamma control 27 */ + +#define HX8347D_REG_TEC 0x60 /* TE control */ + +#define HX8347D_REG_PS1 0xe4 /* Power saving 1 */ +#define HX8347D_REG_PS2 0xe5 /* Power saving 2 */ +#define HX8347D_REG_PS3 0xe6 /* Power saving 3 */ +#define HX8347D_REG_PS4 0xe7 /* Power saving 4 */ +#define HX8347D_REG_OPONN 0xe8 /* Source OP control normal */ +#define HX8347D_REG_OPONI 0xe9 /* Source OP control idle */ +#define HX8347D_REG_STBAH 0xea /* Power control internal use 1 */ +#define HX8347D_REG_STBAL 0xeb /* Power control internal use 2 */ +#define HX8347D_REG_PTBAH 0xec /* Source control internal use 1 */ +#define HX8347D_REG_PTBAL 0xed /* Source control internal use 2 */ + +/* page 1 registers */ +#define HX8347D_REG_CABC5 0xc3 /* CABC control 5 */ +#define HX8347D_REG_CABC6 0xc5 /* CABC control 6 */ +#define HX8347D_REG_CABC7 0xc7 /* CABC control 7 */ +#define HX8347D_REG_DBG0 0xcb /* Gain select register 0 */ +#define HX8347D_REG_DBG1 0xcc /* Gain select register 1 */ +#define HX8347D_REG_DBG2 0xcd /* Gain select register 2 */ +#define HX8347D_REG_DBG3 0xce /* Gain select register 3 */ +#define HX8347D_REG_DBG4 0xcf /* Gain select register 4 */ +#define HX8347D_REG_DBG5 0xd0 /* Gain select register 5 */ +#define HX8347D_REG_DBG6 0xd1 /* Gain select register 6 */ +#define HX8347D_REG_DBG7 0xd2 /* Gain select register 7 */ +#define HX8347D_REG_DBG8 0xd3 /* Gain select register 8 */ + +#define HX8347D_REG_PGSEL 0xff /* Page select */ + +#endif /* _HX8347D_H */ +/** @} */ diff --git a/drivers/gdisp/HX8347D/gdisp_lld.c b/drivers/gdisp/HX8347D/gdisp_lld.c new file mode 100644 index 00000000..8443ca3d --- /dev/null +++ b/drivers/gdisp/HX8347D/gdisp_lld.c @@ -0,0 +1,495 @@ +/* + * This file is subject to the terms of the GFX License, v1.0. If a copy of + * the license was not distributed with this file, you can obtain one at: + * + * http://chibios-gfx.com/license.html + */ + +/** + * @file drivers/gdisp/HX8347D/gdisp_lld.c + * @brief GDISP Graphics Driver subsystem low level driver source for the HX8347D display. + * + * @addtogroup GDISP + * @{ + */ + +#include "ch.h" +#include "hal.h" +#include "gfx.h" + +#include "HX8347D.h" + +#if GFX_USE_GDISP /*|| defined(__DOXYGEN__)*/ + +/* Include the emulation code for things we don't support */ +#include "gdisp/lld/emulation.c" + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +#ifndef GDISP_SCREEN_HEIGHT + #define GDISP_SCREEN_HEIGHT 320 +#endif +#ifndef GDISP_SCREEN_WIDTH + #define GDISP_SCREEN_WIDTH 240 +#endif + +#define GDISP_INITIAL_CONTRAST 50 +#define GDISP_INITIAL_BACKLIGHT 50 + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +#if defined(GDISP_USE_CUSTOM_BOARD) && GDISP_USE_CUSTOM_BOARD + /* Include the user supplied board definitions */ + #include "gdisp_lld_board.h" +#elif defined(BOARD_ST_STM32F4_DISCOVERY) + #include "gdisp_lld_board_st_stm32f4_discovery.h" +#else + /* Include the user supplied board definitions */ + #include "gdisp_lld_board.h" +#endif + +// Some common routines and macros +#define write_reg(reg, data) { write_index(reg); write_data(data); } +#define write_ram(color1, color2) { write_index(0x22); write_ram8(color1,color2); } +#define stream_start() { write_index(0x22); spiStart(&SPID1, &spi1cfg2); } +#define stream_stop() {while(((SPI1->SR & SPI_SR_TXE) == 0) || ((SPI1->SR & SPI_SR_BSY) != 0));palSetPad(GPIOA, 4);spiStart(&SPID1, &spi1cfg1); } +#define delay(us) chThdSleepMicroseconds(us) +#define delayms(ms) chThdSleepMilliseconds(ms) + +static inline void set_cursor(coord_t x, coord_t y) { + write_reg(HX8347D_REG_SCL, (uint8_t) x); + write_reg(HX8347D_REG_SCH, (uint8_t) (x >> 8)); + write_reg(HX8347D_REG_SPL, (uint8_t) y); + write_reg(HX8347D_REG_SPH, (uint8_t) (y >> 8)); +} + +static void set_viewport(coord_t x, coord_t y, coord_t cx, coord_t cy) { + write_reg(HX8347D_REG_SCL, (uint8_t) x); + write_reg(HX8347D_REG_SCH, (uint8_t) (x >> 8)); + write_reg(HX8347D_REG_ECL, (uint8_t) (x + cx -1)); + write_reg(HX8347D_REG_ECH, (uint8_t) ((x + cx -1) >> 8)); + write_reg(HX8347D_REG_SPL, (uint8_t) y); + write_reg(HX8347D_REG_SPH, (uint8_t) (y >> 8)); + write_reg(HX8347D_REG_EPL, (uint8_t) (y + cy -1)); + write_reg(HX8347D_REG_EPH, (uint8_t) ((y + cy -1) >> 8)); +} + +static inline void reset_viewport(void) { + set_viewport(0, 0, GDISP.Width, GDISP.Height); +} + +/*===========================================================================*/ +/* 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(1); + setpin_reset(FALSE); + delayms(5); + + // Get the bus for the following initialisation commands + acquire_bus(); + + /* Start Initial Sequence ----------------------------------------------------*/ + write_reg(HX8347D_REG_STBAH, 0x00); /* Reset Power Control 1 */ + write_reg(HX8347D_REG_STBAL, 0x20); /* Power Control 2 */ + write_reg(HX8347D_REG_PTBAH, 0x0C); /* Power Control 1 */ + write_reg(HX8347D_REG_PTBAL, 0xC4); /* Power Control 2 */ + write_reg(HX8347D_REG_OPONN, 0x40); /* Source OPON_N */ + write_reg(HX8347D_REG_OPONI, 0x38); /* Source OPON_I */ + write_reg(HX8347D_REG_DC2, 0xA3); /* Display Control 2 */ + + /* Power On sequence ---------------------------------------------------------*/ + write_reg(HX8347D_REG_PWC2, 0x1B); /* Power Control 2 */ + write_reg(HX8347D_REG_PWC1, 0x01); /* Power Control 1 */ + write_reg(HX8347D_REG_VMH, 0x2F); /* Vcom Control 2 */ + write_reg(HX8347D_REG_VML, 0x57); /* Vcom Control 3 */ + write_reg(HX8347D_REG_VMF, 0x8D); /* Vcom Control 1 */ + + /* Gamma settings -----------------------------------------------------------*/ + write_reg(HX8347D_REG_VRP0,0x01); // default setup + write_reg(HX8347D_REG_VRP1,0x0e); // + write_reg(HX8347D_REG_VRP2,0x11); // + write_reg(HX8347D_REG_VRP3,0x1a); // + write_reg(HX8347D_REG_VRP4,0x18); // + write_reg(HX8347D_REG_VRP5,0x24); // + write_reg(HX8347D_REG_PRP0,0x15); // + write_reg(HX8347D_REG_PRP1,0x65); // + write_reg(HX8347D_REG_PKP0,0x0b); // + write_reg(HX8347D_REG_PKP1,0x18); // + write_reg(HX8347D_REG_PKP2,0x19); // + write_reg(HX8347D_REG_PKP3,0x1a); // + write_reg(HX8347D_REG_PKP4,0x18); // + write_reg(HX8347D_REG_VRN0,0x1b); // + write_reg(HX8347D_REG_VRN1,0x27); // + write_reg(HX8347D_REG_VRN2,0x25); // + write_reg(HX8347D_REG_VRN3,0x2e); // + write_reg(HX8347D_REG_VRN4,0x31); // + write_reg(HX8347D_REG_VRN5,0x3e); // + write_reg(HX8347D_REG_PRN0,0x1a); // + write_reg(HX8347D_REG_PRN1,0x6a); // + write_reg(HX8347D_REG_PKN0,0x07); // + write_reg(HX8347D_REG_PKN1,0x05); // + write_reg(HX8347D_REG_PKN2,0x06); // + write_reg(HX8347D_REG_PKN3,0x0b); // + write_reg(HX8347D_REG_PKN4,0x14); // + write_reg(HX8347D_REG_CGM,0xcc); // + + /* Power + Osc ---------------------------------------------------------------*/ + write_reg(HX8347D_REG_OSCCH, 0x36); /* OSC Control 1 */ + write_reg(HX8347D_REG_OSCCL, 0x01); /* OSC Control 2 */ + write_reg(HX8347D_REG_DMODE, 0x00); /* Display Mode Control */ + write_reg(HX8347D_REG_PWC6, 0x88); /* Power Control 6 */ + delayms(5); /* Delay 5 ms */ + write_reg(HX8347D_REG_PWC6, 0x80); /* Power Control 6 */ + delayms(5); /* Delay 5 ms */ + write_reg(HX8347D_REG_PWC6, 0x90); /* Power Control 6 */ + delayms(5); /* Delay 5 ms */ + write_reg(HX8347D_REG_PWC6, 0xD0); /* Power Control 6 */ + delayms(5); /* Delay 5 ms */ + write_reg(HX8347D_REG_COLMOD, 0x05); /* Colmod 16Bit/Pixel */ + write_reg(HX8347D_REG_PCH, 0x00); /* Panel Characteristic */ + write_reg(HX8347D_REG_DC3, 0x38); /* Display Control 3 */ + delayms(40); + write_reg(HX8347D_REG_DC3, 0x3C); /* Display Control 3 */ + write_reg(HX8347D_REG_MAC, 0x08); /* Memory access control */ + + write_reg(HX8347D_REG_SCL, 0x00); + write_reg(HX8347D_REG_SCH, 0x00); + write_reg(HX8347D_REG_ECL, 0xef); + write_reg(HX8347D_REG_ECH, 0x00); + write_reg(HX8347D_REG_SPL, 0x00); + write_reg(HX8347D_REG_SPH, 0x00); + write_reg(HX8347D_REG_EPL, 0x3f); + write_reg(HX8347D_REG_EPH, 0x01); + + // Release the bus + release_bus(); + + /* Turn on the backlight */ + set_backlight(GDISP_INITIAL_BACKLIGHT); + + /* Initialise the GDISP structure */ + 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_draw_pixel(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 + + acquire_bus(); + set_cursor(x, y); + write_ram((color >> 8) & 0xFF, color & 0xFF); + release_bus(); +} + +/* ---- Optional Routines ---- */ +/* + All the below routines are optional. + Defining them will increase speed but everything + will work if they are not defined. + If you are not using a routine - turn it off using + the appropriate GDISP_HARDWARE_XXXX macro. + Don't bother coding for obvious similar routines if + there is no performance penalty as the emulation software + makes a good job of using similar routines. + eg. If gfillarea() is defined there is little + point in defining clear() unless the + performance bonus is significant. + For good performance it is suggested to implement + fillarea() and blitarea(). +*/ + +#if GDISP_HARDWARE_CLEARS || defined(__DOXYGEN__) + /** + * @brief Clear the display. + * @note Optional - The high level driver can emulate using software. + * + * @param[in] color The color of the pixel + * + * @notapi + */ + void gdisp_lld_clear(color_t color) { + unsigned i; + + acquire_bus(); + reset_viewport(); + stream_start(); + for(i = 0; i < GDISP_SCREEN_WIDTH * GDISP_SCREEN_HEIGHT; i++) + write_ram16(color); + stream_stop(); + release_bus(); + } +#endif + +#if GDISP_HARDWARE_FILLS || defined(__DOXYGEN__) + /** + * @brief Fill an area with a color. + * @note Optional - The high level driver can emulate using software. + * + * @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_fill_area(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) { + unsigned i, area; + + #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 + + area = cx*cy; + + acquire_bus(); + set_viewport(x, y, cx, cy); + stream_start(); + for(i = 0; i < area; i++) + write_ram16(color); + stream_stop(); + release_bus(); + } +#endif + +#if GDISP_HARDWARE_BITFILLS || defined(__DOXYGEN__) + /** + * @brief Fill an area with a bitmap. + * @note Optional - The high level driver can emulate using software. + * + * @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_blit_area_ex(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; + unsigned lg; + + #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 + + acquire_bus(); + set_viewport(x, y, cx, cy); + stream_start(); + + endx = srcx + cx; + endy = y + cy; + lg = srccx - cx; + buffer += srcx + srcy * srccx; + for(; y < endy; y++, buffer += lg) + for(x=srcx; x < endx; x++) + write_data(*buffer++); + stream_stop(); + release_bus(); + } +#endif + +#if (GDISP_NEED_PIXELREAD && GDISP_HARDWARE_PIXELREAD) || defined(__DOXYGEN__) + /** + * @brief Get the color of a particular pixel. + * @note Optional. + * @note If x,y is off the screen, the result is undefined. + * + * @param[in] x, y The pixel to be read + * + * @notapi + */ + color_t gdisp_lld_get_pixel_color(coord_t x, coord_t y) { + color_t color; + + #if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP + if (x < 0 || x >= GDISP.Width || y < 0 || y >= GDISP.Height) return 0; + #endif +} +#endif + +#if (GDISP_NEED_SCROLL && GDISP_HARDWARE_SCROLL) || defined(__DOXYGEN__) + /** + * @brief Scroll vertically a section of the screen. + * @note Optional. + * @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_vertical_scroll(coord_t x, coord_t y, coord_t cx, coord_t cy, int lines, color_t bgcolor) { + static color_t buf[((GDISP_SCREEN_HEIGHT > GDISP_SCREEN_WIDTH ) ? GDISP_SCREEN_HEIGHT : GDISP_SCREEN_WIDTH)]; + coord_t row0, row1; + unsigned i, abslines, j; + static int gap; + + #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 (!lines || 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 + + } +#endif + +#if (GDISP_NEED_CONTROL && 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. + * + * @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) { + switch(what) { + case GDISP_CONTROL_ORIENTATION: + if (GDISP.Orientation == (gdisp_orientation_t)value) + return; + switch((gdisp_orientation_t)value) { + case GDISP_ROTATE_0: + acquire_bus(); + write_reg(HX8347D_REG_MAC, 0x08); /* Memory access control */ + write_reg(HX8347D_REG_ECL, 0xef); + write_reg(HX8347D_REG_ECH, 0x00); + write_reg(HX8347D_REG_EPL, 0x3f); + write_reg(HX8347D_REG_EPH, 0x01); + release_bus(); + GDISP.Height = GDISP_SCREEN_HEIGHT; + GDISP.Width = GDISP_SCREEN_WIDTH; + break; + + case GDISP_ROTATE_90: + acquire_bus(); + write_reg(HX8347D_REG_MAC, 0x68); /* Memory access control */ + write_reg(HX8347D_REG_ECL, 0x3f); + write_reg(HX8347D_REG_ECH, 0x01); + write_reg(HX8347D_REG_EPL, 0xef); + write_reg(HX8347D_REG_EPH, 0x00); + release_bus(); + GDISP.Height = GDISP_SCREEN_WIDTH; + GDISP.Width = GDISP_SCREEN_HEIGHT; + break; + + case GDISP_ROTATE_180: + acquire_bus(); + write_reg(HX8347D_REG_MAC, 0xc8); /* Memory access control */ + write_reg(HX8347D_REG_ECL, 0xef); + write_reg(HX8347D_REG_ECH, 0x00); + write_reg(HX8347D_REG_EPL, 0x3f); + write_reg(HX8347D_REG_EPH, 0x01); + release_bus(); + GDISP.Height = GDISP_SCREEN_HEIGHT; + GDISP.Width = GDISP_SCREEN_WIDTH; + break; + + case GDISP_ROTATE_270: + acquire_bus(); + write_reg(HX8347D_REG_MAC, 0xa8); /* Memory access control */ + write_reg(HX8347D_REG_ECL, 0x3f); + write_reg(HX8347D_REG_ECH, 0x01); + write_reg(HX8347D_REG_EPL, 0xef); + write_reg(HX8347D_REG_EPH, 0x00); + release_bus(); + 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; + + case GDISP_CONTROL_BACKLIGHT: + if ((unsigned)value > 100) + value = (void *)100; + set_backlight((unsigned)value); + GDISP.Backlight = (unsigned)value; + return; + + default: + return; + } + } +#endif + +#endif /* GFX_USE_GDISP */ +/** @} */ diff --git a/drivers/gdisp/HX8347D/gdisp_lld.mk b/drivers/gdisp/HX8347D/gdisp_lld.mk new file mode 100644 index 00000000..fed905e1 --- /dev/null +++ b/drivers/gdisp/HX8347D/gdisp_lld.mk @@ -0,0 +1,5 @@ +# List the required driver. +GFXSRC += $(GFXLIB)/drivers/gdisp/HX8347D/gdisp_lld.c + +# Required include directories +GFXINC += $(GFXLIB)/drivers/gdisp/HX8347D diff --git a/drivers/gdisp/HX8347D/gdisp_lld_board_st_stm32f4_discovery.h b/drivers/gdisp/HX8347D/gdisp_lld_board_st_stm32f4_discovery.h new file mode 100644 index 00000000..da078541 --- /dev/null +++ b/drivers/gdisp/HX8347D/gdisp_lld_board_st_stm32f4_discovery.h @@ -0,0 +1,202 @@ +/* + * This file is subject to the terms of the GFX License, v1.0. If a copy of + * the license was not distributed with this file, you can obtain one at: + * + * http://chibios-gfx.com/license.html + */ + +/** + * @file drivers/gdisp/HX8347D/gdisp_lld_board_embest_dmstf4bb.h + * @brief GDISP Graphic Driver subsystem board SPI interface for the HX8347D display. + * + * @addtogroup GDISP + * @{ + */ + +#ifndef _GDISP_LLD_BOARD_H +#define _GDISP_LLD_BOARD_H + +#define SET_RST palSetPad(GPIOB, 8); +#define CLR_RST palClearPad(GPIOB, 8); + +/* PWM configuration structure. We use timer 4 channel 2 (orange LED on board). */ +static const PWMConfig pwmcfg = { + 1000000, /* 1 MHz PWM clock frequency. */ + 100, /* PWM period is 100 cycles. */ + NULL, + { + {PWM_OUTPUT_ACTIVE_HIGH, NULL}, + {PWM_OUTPUT_ACTIVE_HIGH, NULL}, + {PWM_OUTPUT_ACTIVE_HIGH, NULL}, + {PWM_OUTPUT_ACTIVE_HIGH, NULL} + }, + 0 +}; + +/* + * SPI1 configuration structure. + * Speed 42MHz, CPHA=0, CPOL=0, 8bits frames, MSb transmitted first. + * The slave select line is the pin 4 on the port GPIOA. + */ +static const SPIConfig spi1cfg1 = { + NULL, + /* HW dependent part.*/ + GPIOA, + 4, + 0 //SPI_CR1_BR_0 +}; + +/* + * SPI1 configuration structure. + * Speed 42MHz, CPHA=0, CPOL=0, 16bits frames, MSb transmitted first. + * The slave select line is the pin 4 on the port GPIOA. + */ +static const SPIConfig spi1cfg2 = { + NULL, + /* HW dependent part.*/ + GPIOA, + 4, + SPI_CR1_DFF //SPI_CR1_BR_0 +}; + +/** + * @brief Initialise the board for the display. + * @notes This board definition uses GPIO and assumes exclusive access to these GPIO pins + * + * @notapi + */ +static inline void init_board(void) { + + /* Display backlight control */ + /* TIM4 is an alternate function 2 (AF2) */ + pwmStart(&PWMD4, &pwmcfg); + palSetPadMode(GPIOD, 13, PAL_MODE_ALTERNATE(2)); + pwmEnableChannel(&PWMD4, 1, 100); + + palSetPadMode(GPIOB, 8, PAL_MODE_OUTPUT_PUSHPULL | + PAL_STM32_OSPEED_HIGHEST); /* RST */ + palSetPadMode(GPIOB, 9, PAL_MODE_OUTPUT_PUSHPULL | + PAL_STM32_OSPEED_HIGHEST); /* RS */ + /* + * Initializes the SPI driver 1. The SPI1 signals are routed as follow: + * PB12 - NSS. + * PB13 - SCK. + * PB14 - MISO. + * PB15 - MOSI. + */ + spiStart(&SPID1, &spi1cfg1); + palSetPad(GPIOA, 4); + palSetPadMode(GPIOA, 4, PAL_MODE_OUTPUT_PUSHPULL | + PAL_STM32_OSPEED_HIGHEST); /* NSS. */ + palSetPadMode(GPIOA, 5, PAL_MODE_ALTERNATE(5) | + PAL_STM32_OSPEED_HIGHEST); /* SCK. */ + palSetPadMode(GPIOA, 6, PAL_MODE_ALTERNATE(5)); /* MISO. */ + palSetPadMode(GPIOA, 7, PAL_MODE_ALTERNATE(5) | + PAL_STM32_OSPEED_HIGHEST); /* MOSI. */ + +} + +/** + * @brief Set or clear the lcd reset pin. + * + * @param[in] state TRUE = lcd in reset, FALSE = normal operation + * + * @notapi + */ +static inline void setpin_reset(bool_t state) { + if (state) { + CLR_RST; + } else { + SET_RST; + } +} + +/** + * @brief Set the lcd back-light level. + * + * @param[in] percent 0 to 100% + * + * @notapi + */ +static inline void set_backlight(uint8_t percent) { + pwmEnableChannel(&PWMD4, 1, percent); +} + +/** + * @brief Take exclusive control of the bus + * @note Not needed, not implemented + * + * @notapi + */ +static inline void acquire_bus(void) { + spiAcquireBus(&SPID1); +} + +/** + * @brief Release exclusive control of the bus + * @note Not needed, not implemented + * + * @notapi + */ +static inline void release_bus(void) { + spiReleaseBus(&SPID1); +} + +/** + * @brief Send data to the index register. + * + * @param[in] index The index register to set + * + * @notapi + */ +static inline void write_index(uint8_t cmd) { + palClearPad(GPIOB, 9); + palClearPad(GPIOA, 4); + while((SPI1->SR & SPI_SR_TXE) == 0); + SPI1->DR = cmd; + while(((SPI1->SR & SPI_SR_TXE) == 0) || ((SPI1->SR & SPI_SR_BSY) != 0)); + palSetPad(GPIOB, 9); +} + +/** + * @brief Send data to the lcd. + * + * @param[in] data The data to send + * + * @notapi + */ +static inline void write_data(uint8_t data) { + SPI1->DR = data; + while(((SPI1->SR & SPI_SR_TXE) == 0) || ((SPI1->SR & SPI_SR_BSY) != 0)); + palSetPad(GPIOA, 4); +} + +static inline void write_ram8(uint8_t data1, uint8_t data2) { + SPI1->DR = data1; + while((SPI1->SR & SPI_SR_TXE) == 0); + SPI1->DR = data2; + while(((SPI1->SR & SPI_SR_TXE) == 0) || ((SPI1->SR & SPI_SR_BSY) != 0)); + palSetPad(GPIOA, 4); +} + +static inline void write_ram16(uint16_t data) { + while((SPI1->SR & SPI_SR_TXE) == 0); + SPI1->DR = data; +} + +#if GDISP_HARDWARE_READPIXEL || defined(__DOXYGEN__) +/** + * @brief Read data from the lcd. + * + * @return The data from the lcd + * @note The chip select may need to be asserted/de-asserted + * around the actual spi read + * + * @notapi + */ +static inline uint16_t read_data(void) { +} +#endif + +#endif /* _GDISP_LLD_BOARD_H */ +/** @} */ diff --git a/drivers/gdisp/HX8347D/gdisp_lld_config.h b/drivers/gdisp/HX8347D/gdisp_lld_config.h new file mode 100644 index 00000000..b8bf853f --- /dev/null +++ b/drivers/gdisp/HX8347D/gdisp_lld_config.h @@ -0,0 +1,39 @@ +/* + * This file is subject to the terms of the GFX License, v1.0. If a copy of + * the license was not distributed with this file, you can obtain one at: + * + * http://chibios-gfx.com/license.html + */ + +/** + * @file drivers/gdisp/HX8347D/gdisp_lld_config.h + * @brief GDISP Graphic Driver subsystem low level driver header for the HX8347D display. + * + * @addtogroup GDISP + * @{ + */ + +#ifndef _GDISP_LLD_CONFIG_H +#define _GDISP_LLD_CONFIG_H + +#if GFX_USE_GDISP + +/*===========================================================================*/ +/* Driver hardware support. */ +/*===========================================================================*/ + +#define GDISP_DRIVER_NAME "HX8347D" + +#define GDISP_HARDWARE_CLEARS TRUE +#define GDISP_HARDWARE_FILLS TRUE +#define GDISP_HARDWARE_BITFILLS TRUE +#define GDISP_HARDWARE_SCROLL FALSE +#define GDISP_HARDWARE_PIXELREAD FALSE +#define GDISP_HARDWARE_CONTROL TRUE + +#define GDISP_PIXELFORMAT GDISP_PIXELFORMAT_RGB565 + +#endif /* GFX_USE_GDISP */ + +#endif /* _GDISP_LLD_CONFIG_H */ +/** @} */ diff --git a/drivers/gdisp/HX8347D/readme.txt b/drivers/gdisp/HX8347D/readme.txt new file mode 100644 index 00000000..1725ef60 --- /dev/null +++ b/drivers/gdisp/HX8347D/readme.txt @@ -0,0 +1,24 @@ +Description: + +Driver for LCD with 4-wire serial interface (65k colors). + +To use this driver: + +1. Add in your halconf.h: + a) #define GFX_USE_GDISP TRUE + + b) Any optional high level driver defines (see gdisp.h) eg: GDISP_NEED_MULTITHREAD + + c) If you are not using a known board then create a gdisp_lld_board.h file + and ensure it is on your include path. + Use the gdisp_lld_board_st_stm32f4_discovery.h file as a basis. + Currently known boards are: + BOARD_ST_STM32F4_DISCOVERY + Board configuration assume that you have STM32_PWM_USE_TIM4 set to TRUE in your mcuconf.h. + + d) The following are optional - define them if you are not using the defaults below: + #define GDISP_SCREEN_WIDTH 240 + #define GDISP_SCREEN_HEIGHT 320 + +2. To your makefile add the following lines: + include $(GFXLIB)/drivers/gdisp/HX8347D/gdisp_lld.mk -- cgit v1.2.3