diff options
Diffstat (limited to 'drivers/gdisp/STM32F429iDiscovery')
-rw-r--r-- | drivers/gdisp/STM32F429iDiscovery/board_STM32F429iDiscovery_template.h | 66 | ||||
-rw-r--r-- | drivers/gdisp/STM32F429iDiscovery/driver.mk | 2 | ||||
-rw-r--r-- | drivers/gdisp/STM32F429iDiscovery/gdisp_lld_STM32F429iDiscovery.c | 410 | ||||
-rw-r--r-- | drivers/gdisp/STM32F429iDiscovery/gdisp_lld_config.h | 24 | ||||
-rw-r--r-- | drivers/gdisp/STM32F429iDiscovery/ili9341.h | 412 | ||||
-rw-r--r-- | drivers/gdisp/STM32F429iDiscovery/readme.txt | 11 | ||||
-rw-r--r-- | drivers/gdisp/STM32F429iDiscovery/stm32_ltdc.h | 551 |
7 files changed, 1476 insertions, 0 deletions
diff --git a/drivers/gdisp/STM32F429iDiscovery/board_STM32F429iDiscovery_template.h b/drivers/gdisp/STM32F429iDiscovery/board_STM32F429iDiscovery_template.h new file mode 100644 index 00000000..54c797af --- /dev/null +++ b/drivers/gdisp/STM32F429iDiscovery/board_STM32F429iDiscovery_template.h @@ -0,0 +1,66 @@ +/* + * 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 const ltdcConfig driverCfg = { + 240, 320, + 10, 2, + 20, 2, + 10, 4, + 0, + 0x000000, + { + (LLDCOLOR_TYPE *)SDRAM_BANK_ADDR, // frame + 240, 320, // width, height + 240 * LTDC_PIXELBYTES, // pitch + LTDC_PIXELFORMAT, // fmt + 0, 0, // x, y + 240, 320, // cx, cy + LTDC_COLOR_FUCHSIA, // defcolor + 0x980088, // keycolor + LTDC_BLEND_FIX1_FIX2, // blending + 0, // palette + 0, // palettelen + 0xFF, // alpha + LTDC_LEF_ENABLE // flags + }, + LTDC_UNUSED_LAYER_CONFIG +}; + +static inline void init_board(GDisplay *g) { + + // As we are not using multiple displays we set g->board to NULL as we don't use it. + g->board = 0; + + switch(g->controllerdisplay) { + case 0: // Set up for Display 0 + // Your init here + break; + } +} + +static inline void post_init_board(GDisplay *g) { +} + +static inline void set_backlight(GDisplay *g, uint8_t percent) { +} + +static inline void acquire_bus(GDisplay *g) { +} + +static inline void release_bus(GDisplay *g) { +} + +static inline void write_index(GDisplay *g, uint8_t index) { +} + +static inline void write_data(GDisplay *g, uint8_t data) { +} + +#endif /* _GDISP_LLD_BOARD_H */ diff --git a/drivers/gdisp/STM32F429iDiscovery/driver.mk b/drivers/gdisp/STM32F429iDiscovery/driver.mk new file mode 100644 index 00000000..afad5b85 --- /dev/null +++ b/drivers/gdisp/STM32F429iDiscovery/driver.mk @@ -0,0 +1,2 @@ +GFXINC += $(GFXLIB)/drivers/gdisp/STM32F429iDiscovery +GFXSRC += $(GFXLIB)/drivers/gdisp/STM32F429iDiscovery/gdisp_lld_STM32F429iDiscovery.c diff --git a/drivers/gdisp/STM32F429iDiscovery/gdisp_lld_STM32F429iDiscovery.c b/drivers/gdisp/STM32F429iDiscovery/gdisp_lld_STM32F429iDiscovery.c new file mode 100644 index 00000000..aae21a8e --- /dev/null +++ b/drivers/gdisp/STM32F429iDiscovery/gdisp_lld_STM32F429iDiscovery.c @@ -0,0 +1,410 @@ +/* + * 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 + +#if defined(GDISP_SCREEN_HEIGHT) + #warning "GDISP: This low level driver does not support setting a screen size. It is being ignored." + #undef GISP_SCREEN_HEIGHT +#endif +#if defined(GDISP_SCREEN_WIDTH) + #warning "GDISP: This low level driver does not support setting a screen size. It is being ignored." + #undef GDISP_SCREEN_WIDTH +#endif + +#define GDISP_DRIVER_VMT GDISPVMT_STM32F429iDiscovery +#include "drivers/gdisp/STM32F429iDiscovery/gdisp_lld_config.h" +#include "src/gdisp/driver.h" + +#include "stm32_ltdc.h" + +typedef struct ltdcLayerConfig { + // frame + LLDCOLOR_TYPE *frame; // Frame buffer address + coord_t width, height; // Frame size in pixels + coord_t pitch; // Line pitch, in bytes + ltdc_pixfmt_t fmt; // Pixel format in LTDC format + + // window + coord_t x, y; // Start pixel position of the virtual layer + coord_t cx, cy; // Size of the virtual layer + + uint32_t defcolor; // Default color, ARGB8888 + uint32_t keycolor; // Color key, RGB888 + uint32_t blending; // Blending factors + const uint32_t *palette; // The palette, RGB888 (can be NULL) + uint16_t palettelen; // Palette length + uint8_t alpha; // Constant alpha factor + uint8_t layerflags; // Layer configuration +} ltdcLayerConfig; + +#define LTDC_UNUSED_LAYER_CONFIG { 0, 1, 1, 1, LTDC_FMT_L8, 0, 0, 1, 1, 0x000000, 0x000000, LTDC_BLEND_FIX1_FIX2, 0, 0, 0, 0 } + +typedef struct ltdcConfig { + coord_t width, height; // Screen size + coord_t hsync, vsync; // Horizontal and Vertical sync pixels + coord_t hbackporch, vbackporch; // Horizontal and Vertical back porch pixels + coord_t hfrontporch, vfrontporch; // Horizontal and Vertical front porch pixels + uint8_t syncflags; // Sync flags + uint32_t bgcolor; // Clear screen color RGB888 + + ltdcLayerConfig bglayer; // Background layer config + ltdcLayerConfig fglayer; // Foreground layer config +} ltdcConfig; + +#if GDISP_LLD_PIXELFORMAT == GDISP_PIXELFORMAT_RGB565 + #define LTDC_PIXELFORMAT LTDC_FMT_RGB565 + #define LTDC_PIXELBYTES 2 + #define LTDC_PIXELBITS 16 +#elif GDISP_LLD_PIXELFORMAT == GDISP_PIXELFORMAT_RGB888 + #define LTDC_PIXELFORMAT LTDC_FMT_RGB888 + #define LTDC_PIXELBYTES 3 + #define LTDC_PIXELBITS 24 +#else + #error "GDISP: STM32F4iDiscovery - unsupported pixel format" +#endif + +#include "board_STM32F429iDiscovery.h" + +#include "ili9341.h" + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +#ifndef GDISP_INITIAL_CONTRAST + #define GDISP_INITIAL_CONTRAST 50 +#endif +#ifndef GDISP_INITIAL_BACKLIGHT + #define GDISP_INITIAL_BACKLIGHT 100 +#endif + +/*===========================================================================*/ +/* Driver local routines . */ +/*===========================================================================*/ + +#define PIXIL_POS(g, x, y) ((y) * driverCfg.bglayer.pitch + (x) * LTDC_PIXELBYTES) +#define PIXEL_ADDR(g, pos) ((LLDCOLOR_TYPE *)((uint8_t *)driverCfg.bglayer.frame+pos)) + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +static void InitController(GDisplay *g) { + #define REG_TYPEMASK 0xFF00 + #define REG_DATAMASK 0x00FF + + #define REG_DATA 0x0000 + #define REG_COMMAND 0x0100 + #define REG_DELAY 0x0200 + + static const uint16_t initdata[] = { + REG_COMMAND | ILI9341_CMD_RESET, + REG_DELAY | 5, + REG_COMMAND | ILI9341_CMD_DISPLAY_OFF, + REG_COMMAND | ILI9341_SET_FRAME_CTL_NORMAL, 0x00, 0x1B, + REG_COMMAND | ILI9341_SET_FUNCTION_CTL, 0x0A, 0xA2, + REG_COMMAND | ILI9341_SET_POWER_CTL_1, 0x10, + REG_COMMAND | ILI9341_SET_POWER_CTL_2, 0x10, + REG_COMMAND | ILI9341_SET_VCOM_CTL_1, 0x45, 0x15, + REG_COMMAND | ILI9341_SET_VCOM_CTL_2, 0x90, + REG_COMMAND | ILI9341_SET_MEM_ACS_CTL, 0xC8, + REG_COMMAND | ILI9341_SET_RGB_IF_SIG_CTL, 0xC2, + REG_COMMAND | ILI9341_SET_FUNCTION_CTL, 0x0A, 0xA7, 0x27, 0x04, + REG_COMMAND | ILI9341_SET_COL_ADDR, 0x00, 0x00, 0x00, 0xEF, + REG_COMMAND | ILI9341_SET_PAGE_ADDR, 0x00, 0x00, 0x01, 0x3F, + REG_COMMAND | ILI9341_SET_IF_CTL, 0x01, 0x00, 0x06, + REG_COMMAND | ILI9341_SET_GAMMA, 0x01, + REG_COMMAND | ILI9341_SET_PGAMMA, + 0x0F, 0x29, 0x24, 0x0C, 0x0E, 0x09, 0x4E, 0x78, + 0x3C, 0x09, 0x13, 0x05, 0x17, 0x11, 0x00, + REG_COMMAND | ILI9341_SET_NGAMMA, + 0x00, 0x16, 0x1B, 0x04, 0x11, 0x07, 0x31, 0x33, + 0x42, 0x05, 0x0C, 0x0A, 0x28, 0x2F, 0x0F, + REG_COMMAND | ILI9341_CMD_SLEEP_OFF, + REG_DELAY | 10, + REG_COMMAND | ILI9341_CMD_DISPLAY_ON, + REG_COMMAND | ILI9341_SET_MEM + }; + + const uint16_t *p; + + acquire_bus(g); + for(p = initdata; p < &initdata[sizeof(initdata)/sizeof(initdata[0])]; p++) { + switch(*p & REG_TYPEMASK) { + case REG_DATA: write_data(g, *p); break; + case REG_COMMAND: write_index(g, *p); break; + case REG_DELAY: gfxSleepMilliseconds(*p & 0xFF); break; + } + } + release_bus(g); +} + +static void LTDC_Reload(void) { + LTDC->SRCR |= LTDC_SRCR_IMR; + while (LTDC->SRCR & (LTDC_SRCR_IMR | LTDC_SRCR_VBR)) + gfxYield(); +} + +static void LTDC_LayerInit(LTDC_Layer_TypeDef *pLayReg, const ltdcLayerConfig * pCfg) { + static const uint8_t fmt2Bpp[] = { + 4, /* LTDC_FMT_ARGB8888 */ + 3, /* LTDC_FMT_RGB888 */ + 2, /* LTDC_FMT_RGB565 */ + 2, /* LTDC_FMT_ARGB1555 */ + 2, /* LTDC_FMT_ARGB4444 */ + 1, /* LTDC_FMT_L8 */ + 1, /* LTDC_FMT_AL44 */ + 2 /* LTDC_FMT_AL88 */ + }; + uint32_t start, stop; + + // Set the framebuffer dimensions and format + pLayReg->PFCR = (pLayReg->PFCR & ~LTDC_LxPFCR_PF) | ((uint32_t)pCfg->fmt & LTDC_LxPFCR_PF); + pLayReg->CFBAR = (uint32_t)pCfg->frame & LTDC_LxCFBAR_CFBADD; + pLayReg->CFBLR = ((((uint32_t)pCfg->pitch << 16) & LTDC_LxCFBLR_CFBP) | (((uint32_t)fmt2Bpp[pCfg->fmt] * pCfg->width + 3) & LTDC_LxCFBLR_CFBLL)); + pLayReg->CFBLNR = (uint32_t)pCfg->height & LTDC_LxCFBLNR_CFBLNBR; + + // Set the display window boundaries + start = (uint32_t)pCfg->x + driverCfg.hsync + driverCfg.hbackporch; + stop = start + pCfg->cx - 1; + pLayReg->WHPCR = ((start << 0) & LTDC_LxWHPCR_WHSTPOS) | ((stop << 16) & LTDC_LxWHPCR_WHSPPOS); + start = (uint32_t)pCfg->y + driverCfg.vsync + driverCfg.vbackporch; + stop = start + pCfg->cy - 1; + pLayReg->WVPCR = ((start << 0) & LTDC_LxWVPCR_WVSTPOS) | ((stop << 16) & LTDC_LxWVPCR_WVSPPOS); + + // Set colors + pLayReg->DCCR = pCfg->defcolor; + pLayReg->CKCR = (pLayReg->CKCR & ~0x00FFFFFF) | (pCfg->keycolor & 0x00FFFFFF); + pLayReg->CACR = (pLayReg->CACR & ~LTDC_LxCACR_CONSTA) | ((uint32_t)pCfg->alpha & LTDC_LxCACR_CONSTA); + pLayReg->BFCR = (pLayReg->BFCR & ~(LTDC_LxBFCR_BF1 | LTDC_LxBFCR_BF2)) | ((uint32_t)pCfg->blending & (LTDC_LxBFCR_BF1 | LTDC_LxBFCR_BF2)); + for (start = 0; start < pCfg->palettelen; start++) + pLayReg->CLUTWR = ((uint32_t)start << 24) | (pCfg->palette[start] & 0x00FFFFFF); + + // Final flags + pLayReg->CR = (pLayReg->CR & ~LTDC_LEF_MASK) | ((uint32_t)pCfg->layerflags & LTDC_LEF_MASK); +} + +static void LTDC_Init(void) { + // Set up the display scanning + uint32_t hacc, vacc; + + /* Reset the LTDC hardware module.*/ + RCC->APB2RSTR |= RCC_APB2RSTR_LTDCRST; + RCC->APB2RSTR = 0; + + /* Enable the LTDC clock.*/ + RCC->DCKCFGR = (RCC->DCKCFGR & ~RCC_DCKCFGR_PLLSAIDIVR) | (2 << 16); /* /8 */ + + // Enable the module + RCC->APB2ENR |= RCC_APB2ENR_LTDCEN; + + // Turn off the controller and its interrupts. + LTDC->GCR = 0; + LTDC->IER = 0; + LTDC_Reload(); + + // Set synchronization params + hacc = driverCfg.hsync - 1; + vacc = driverCfg.vsync - 1; + LTDC->SSCR = ((hacc << 16) & LTDC_SSCR_HSW) | ((vacc << 0) & LTDC_SSCR_VSH); + + // Set accumulated back porch params + hacc += driverCfg.hbackporch; + vacc += driverCfg.vbackporch; + LTDC->BPCR = ((hacc << 16) & LTDC_BPCR_AHBP) | ((vacc << 0) & LTDC_BPCR_AVBP); + + // Set accumulated active params + hacc += driverCfg.width; + vacc += driverCfg.height; + LTDC->AWCR = ((hacc << 16) & LTDC_AWCR_AAW) | ((vacc << 0) & LTDC_AWCR_AAH); + + // Set accumulated total params + hacc += driverCfg.hfrontporch; + vacc += driverCfg.vfrontporch; + LTDC->TWCR = ((hacc << 16) & LTDC_TWCR_TOTALW) | ((vacc << 0) & LTDC_TWCR_TOTALH); + + // Set signal polarities and other flags + LTDC->GCR = driverCfg.syncflags & (LTDC_EF_MASK & ~LTDC_EF_ENABLE); + + // Set background color + LTDC->BCCR = (LTDC->BCCR & ~0x00FFFFFF) | (driverCfg.bgcolor & 0x00FFFFFF); + + // Load the background layer + LTDC_LayerInit(LTDC_Layer1, &driverCfg.bglayer); + + // Load the foreground layer + LTDC_LayerInit(LTDC_Layer2, &driverCfg.fglayer); + + // Interrupt handling + //nvicEnableVector(STM32_LTDC_EV_NUMBER, CORTEX_PRIORITY_MASK(STM32_LTDC_EV_IRQ_PRIORITY)); + //nvicEnableVector(STM32_LTDC_ER_NUMBER, CORTEX_PRIORITY_MASK(STM32_LTDC_ER_IRQ_PRIORITY)); + // Possible flags - LTDC_IER_RRIE, LTDC_IER_LIE, LTDC_IER_FUIE, LTDC_IER_TERRIE etc + LTDC->IER = 0; + + // Set everything going + LTDC_Reload(); + LTDC->GCR |= LTDC_GCR_LTDCEN; + LTDC_Reload(); +} + +LLDSPEC bool_t gdisp_lld_init(GDisplay *g) { + + // Initialize the private structure + g->priv = 0; + g->board = 0; + //if (!(g->priv = gfxAlloc(sizeof(fbPriv)))) + // gfxHalt("GDISP Framebuffer: Failed to allocate private memory"); + + // Init the board + init_board(g); + //((fbPriv *)g->priv)->fbi.cfg = init_board(g); + + // Initialise the ILI9341 controller + InitController(g); + + // Initialise the LTDC controller + LTDC_Init(); + + // Initialise DMA2D + //dma2dStart(&DMA2DD1, &dma2d_cfg); + //dma2d_test(); + + // Finish Init the board + post_init_board(g); + + /* Turn on the back-light */ + set_backlight(g, GDISP_INITIAL_BACKLIGHT); + + /* Initialise the GDISP structure */ + g->g.Width = driverCfg.bglayer.width; + g->g.Height = driverCfg.bglayer.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; +} + +LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) { + unsigned pos; + + #if GDISP_NEED_CONTROL + switch(g->g.Orientation) { + case GDISP_ROTATE_0: + default: + pos = PIXIL_POS(g, g->p.x, g->p.y); + break; + case GDISP_ROTATE_90: + pos = PIXIL_POS(g, g->p.y, g->g.Width-g->p.x-1); + break; + case GDISP_ROTATE_180: + pos = PIXIL_POS(g, g->g.Width-g->p.x-1, g->g.Height-g->p.y-1); + break; + case GDISP_ROTATE_270: + pos = PIXIL_POS(g, g->g.Height-g->p.y-1, g->p.x); + break; + } + #else + pos = PIXIL_POS(g, g->p.x, g->p.y); + #endif + + PIXEL_ADDR(g, pos)[0] = gdispColor2Native(g->p.color); +} + +LLDSPEC color_t gdisp_lld_get_pixel_color(GDisplay *g) { + unsigned pos; + LLDCOLOR_TYPE color; + + #if GDISP_NEED_CONTROL + switch(g->g.Orientation) { + case GDISP_ROTATE_0: + default: + pos = PIXIL_POS(g, g->p.x, g->p.y); + break; + case GDISP_ROTATE_90: + pos = PIXIL_POS(g, g->p.y, g->g.Width-g->p.x-1); + break; + case GDISP_ROTATE_180: + pos = PIXIL_POS(g, g->g.Width-g->p.x-1, g->g.Height-g->p.y-1); + break; + case GDISP_ROTATE_270: + pos = PIXIL_POS(g, g->g.Height-g->p.y-1, g->p.x); + break; + } + #else + pos = PIXIL_POS(g, g->p.x, g->p.y); + #endif + + color = PIXEL_ADDR(g, pos)[0]; + return gdispNative2Color(color); +} + +#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 powerOn: case powerSleep: case powerDeepSleep: + board_power(g, (powermode_t)g->p.ptr); + 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; + board_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; + board_contrast(g, (unsigned)g->p.ptr); + g->g.Contrast = (unsigned)g->p.ptr; + return; + } + } +#endif + +#endif /* GFX_USE_GDISP */ diff --git a/drivers/gdisp/STM32F429iDiscovery/gdisp_lld_config.h b/drivers/gdisp/STM32F429iDiscovery/gdisp_lld_config.h new file mode 100644 index 00000000..29e016ce --- /dev/null +++ b/drivers/gdisp/STM32F429iDiscovery/gdisp_lld_config.h @@ -0,0 +1,24 @@ +/* + * 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_DRAWPIXEL TRUE +#define GDISP_HARDWARE_PIXELREAD TRUE +#define GDISP_HARDWARE_CONTROL TRUE +#define GDISP_LLD_PIXELFORMAT GDISP_PIXELFORMAT_RGB565 + +#endif /* GFX_USE_GDISP */ + +#endif /* _GDISP_LLD_CONFIG_H */ diff --git a/drivers/gdisp/STM32F429iDiscovery/ili9341.h b/drivers/gdisp/STM32F429iDiscovery/ili9341.h new file mode 100644 index 00000000..17ad488c --- /dev/null +++ b/drivers/gdisp/STM32F429iDiscovery/ili9341.h @@ -0,0 +1,412 @@ +/* + * 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 ILI9341_H +#define ILI9341_H + +// ILI9341 commands +#define ILI9341_CMD_NOP 0x00 /**< No operation.*/ +#define ILI9341_CMD_RESET 0x01 /**< Software reset.*/ +#define ILI9341_GET_ID_INFO 0x04 /**< Get ID information.*/ +#define ILI9341_GET_STATUS 0x09 /**< Get status.*/ +#define ILI9341_GET_PWR_MODE 0x0A /**< Get power mode.*/ +#define ILI9341_GET_MADCTL 0x0B /**< Get MADCTL.*/ +#define ILI9341_GET_PIX_FMT 0x0C /**< Get pixel format.*/ +#define ILI9341_GET_IMG_FMT 0x0D /**< Get image format.*/ +#define ILI9341_GET_SIG_MODE 0x0E /**< Get signal mode.*/ +#define ILI9341_GET_SELF_DIAG 0x0F /**< Get self-diagnostics.*/ +#define ILI9341_CMD_SLEEP_ON 0x10 /**< Enter sleep mode.*/ +#define ILI9341_CMD_SLEEP_OFF 0x11 /**< Exist sleep mode.*/ +#define ILI9341_CMD_PARTIAL_ON 0x12 /**< Enter partial mode.*/ +#define ILI9341_CMD_PARTIAL_OFF 0x13 /**< Exit partial mode.*/ +#define ILI9341_CMD_INVERT_ON 0x20 /**< Enter inverted mode.*/ +#define ILI9341_CMD_INVERT_OFF 0x21 /**< Exit inverted mode.*/ +#define ILI9341_SET_GAMMA 0x26 /**< Set gamma params.*/ +#define ILI9341_CMD_DISPLAY_OFF 0x28 /**< Disable display.*/ +#define ILI9341_CMD_DISPLAY_ON 0x29 /**< Enable display.*/ +#define ILI9341_SET_COL_ADDR 0x2A /**< Set column address.*/ +#define ILI9341_SET_PAGE_ADDR 0x2B /**< Set page address.*/ +#define ILI9341_SET_MEM 0x2C /**< Set memory.*/ +#define ILI9341_SET_COLOR 0x2D /**< Set color.*/ +#define ILI9341_GET_MEM 0x2E /**< Get memory.*/ +#define ILI9341_SET_PARTIAL_AREA 0x30 /**< Set partial area.*/ +#define ILI9341_SET_VSCROLL 0x33 /**< Set vertical scroll def.*/ +#define ILI9341_CMD_TEARING_ON 0x34 /**< Tearing line enabled.*/ +#define ILI9341_CMD_TEARING_OFF 0x35 /**< Tearing line disabled.*/ +#define ILI9341_SET_MEM_ACS_CTL 0x36 /**< Set mem access ctl.*/ +#define ILI9341_SET_VSCROLL_ADDR 0x37 /**< Set vscroll start addr.*/ +#define ILI9341_CMD_IDLE_OFF 0x38 /**< Exit idle mode.*/ +#define ILI9341_CMD_IDLE_ON 0x39 /**< Enter idle mode.*/ +#define ILI9341_SET_PIX_FMT 0x3A /**< Set pixel format.*/ +#define ILI9341_SET_MEM_CONT 0x3C /**< Set memory continue.*/ +#define ILI9341_GET_MEM_CONT 0x3E /**< Get memory continue.*/ +#define ILI9341_SET_TEAR_SCANLINE 0x44 /**< Set tearing scanline.*/ +#define ILI9341_GET_TEAR_SCANLINE 0x45 /**< Get tearing scanline.*/ +#define ILI9341_SET_BRIGHTNESS 0x51 /**< Set brightness.*/ +#define ILI9341_GET_BRIGHTNESS 0x52 /**< Get brightness.*/ +#define ILI9341_SET_DISPLAY_CTL 0x53 /**< Set display ctl.*/ +#define ILI9341_GET_DISPLAY_CTL 0x54 /**< Get display ctl.*/ +#define ILI9341_SET_CABC 0x55 /**< Set CABC.*/ +#define ILI9341_GET_CABC 0x56 /**< Get CABC.*/ +#define ILI9341_SET_CABC_MIN 0x5E /**< Set CABC min.*/ +#define ILI9341_GET_CABC_MIN 0x5F /**< Set CABC max.*/ +#define ILI9341_GET_ID1 0xDA /**< Get ID1.*/ +#define ILI9341_GET_ID2 0xDB /**< Get ID2.*/ +#define ILI9341_GET_ID3 0xDC /**< Get ID3.*/ + +// ILI9341 extended commands +#define ILI9341_SET_RGB_IF_SIG_CTL 0xB0 /**< RGB IF signal ctl.*/ +#define ILI9341_SET_FRAME_CTL_NORMAL 0xB1 /**< Set frame ctl (normal).*/ +#define ILI9341_SET_FRAME_CTL_IDLE 0xB2 /**< Set frame ctl (idle).*/ +#define ILI9341_SET_FRAME_CTL_PARTIAL 0xB3 /**< Set frame ctl (partial).*/ +#define ILI9341_SET_INVERSION_CTL 0xB4 /**< Set inversion ctl.*/ +#define ILI9341_SET_BLANKING_PORCH_CTL 0xB5 /**< Set blanking porch ctl.*/ +#define ILI9341_SET_FUNCTION_CTL 0xB6 /**< Set function ctl.*/ +#define ILI9341_SET_ENTRY_MODE 0xB7 /**< Set entry mode.*/ +#define ILI9341_SET_LIGHT_CTL_1 0xB8 /**< Set backlight ctl 1.*/ +#define ILI9341_SET_LIGHT_CTL_2 0xB9 /**< Set backlight ctl 2.*/ +#define ILI9341_SET_LIGHT_CTL_3 0xBA /**< Set backlight ctl 3.*/ +#define ILI9341_SET_LIGHT_CTL_4 0xBB /**< Set backlight ctl 4.*/ +#define ILI9341_SET_LIGHT_CTL_5 0xBC /**< Set backlight ctl 5.*/ +#define ILI9341_SET_LIGHT_CTL_7 0xBE /**< Set backlight ctl 7.*/ +#define ILI9341_SET_LIGHT_CTL_8 0xBF /**< Set backlight ctl 8.*/ +#define ILI9341_SET_POWER_CTL_1 0xC0 /**< Set power ctl 1.*/ +#define ILI9341_SET_POWER_CTL_2 0xC1 /**< Set power ctl 2.*/ +#define ILI9341_SET_VCOM_CTL_1 0xC5 /**< Set VCOM ctl 1.*/ +#define ILI9341_SET_VCOM_CTL_2 0xC6 /**< Set VCOM ctl 2.*/ +#define ILI9341_SET_NVMEM 0xD0 /**< Set NVMEM data.*/ +#define ILI9341_GET_NVMEM_KEY 0xD1 /**< Get NVMEM protect key.*/ +#define ILI9341_GET_NVMEM_STATUS 0xD2 /**< Get NVMEM status.*/ +#define ILI9341_GET_ID4 0xD3 /**< Get ID4.*/ +#define ILI9341_SET_PGAMMA 0xE0 /**< Set positive gamma.*/ +#define ILI9341_SET_NGAMMA 0xE1 /**< Set negative gamma.*/ +#define ILI9341_SET_DGAMMA_CTL_1 0xE2 /**< Set digital gamma ctl 1.*/ +#define ILI9341_SET_DGAMMA_CTL_2 0xE3 /**< Set digital gamma ctl 2.*/ +#define ILI9341_SET_IF_CTL 0xF6 /**< Set interface control.*/ + +// ILI9341 interface modes +#define ILI9341_IM_3LSI_1 0x5 /**< 3-line serial, mode 1.*/ +#define ILI9341_IM_3LSI_2 0xD /**< 3-line serial, mode 2.*/ +#define ILI9341_IM_4LSI_1 0x6 /**< 4-line serial, mode 1.*/ +#define ILI9341_IM_4LSI_2 0xE /**< 4-line serial, mode 2.*/ + +// ILI9341 command params (little endian) + +#pragma pack(push, 1) + +typedef union { + struct ILI9341ParamBits_GET_ID_INFO { + uint8_t reserved_; + uint8_t ID1; + uint8_t ID2; + uint8_t ID3; + } bits; + uint8_t bytes[4]; +} ILI9341Params_GET_ID_INFO; + +typedef union { + struct ILI9341ParamBits_GET_STATUS { + unsigned _reserved_1 : 5; /* D[ 4: 0] */ + unsigned tearing_mode : 1; /* D[ 5] */ + unsigned gamma_curve : 3; /* D[ 8: 6] */ + unsigned tearing : 1; /* D[ 9] */ + unsigned display : 1; /* D[10] */ + unsigned all_on : 1; /* D[11] */ + unsigned all_off : 1; /* D[12] */ + unsigned invert : 1; /* D[13] */ + unsigned _reserved_2 : 1; /* D[14] */ + unsigned vscroll : 1; /* D[15] */ + unsigned normal : 1; /* D[16] */ + unsigned sleep : 1; /* D[17] */ + unsigned partial : 1; /* D[18] */ + unsigned idle : 1; /* D[19] */ + unsigned pixel_format : 3; /* D[22:20] */ + unsigned _reserved_3 : 2; /* D[24:23] */ + unsigned hrefr_rtl_nltr : 1; /* D[25] */ + unsigned bgr_nrgb : 1; /* D[26] */ + unsigned vrefr_btt_nttb : 1; /* D[27] */ + unsigned transpose : 1; /* D[28] */ + unsigned coladr_rtl_nltr : 1; /* D[29] */ + unsigned rowadr_btt_nttb : 1; /* D[30] */ + unsigned booster : 1; /* D[31] */ + } bits; + uint8_t bytes[4]; +} ILI9341Params_GET_STATUS; + +typedef union { + struct ILI9341ParamBits_GET_PWR_MODE { + unsigned _reserved_1 : 2; /* D[1:0] */ + unsigned display : 1; /* D[2] */ + unsigned normal : 1; /* D[3] */ + unsigned sleep : 1; /* D[4] */ + unsigned partial : 1; /* D[5] */ + unsigned idle : 1; /* D[6] */ + unsigned booster : 1; /* D[7] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_GET_PWR_MODE; + +typedef union { + struct ILI9341ParamBits_GET_MADCTL { + unsigned _reserved_1 : 2; /* D[1:0] */ + unsigned refr_rtl_nltr : 1; /* D[2] */ + unsigned bgr_nrgb : 1; /* D[3] */ + unsigned refr_btt_nttb : 1; /* D[4] */ + unsigned invert : 1; /* D[5] */ + unsigned rtl_nltr : 1; /* D[6] */ + unsigned btt_nttb : 1; /* D[7] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_GET_MADCTL; + +typedef union { + struct ILI9341ParamBits_GET_PIX_FMT { + unsigned DBI : 3; /* D[2:0] */ + unsigned _reserved_1 : 1; /* D[3] */ + unsigned DPI : 3; /* D[6:4] */ + unsigned RIM : 1; /* D[7] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_GET_PIX_FMT; + +typedef union { + struct ILI9341ParamBits_GET_IMG_FMT { + unsigned gamma_curve : 3; /* D[2:0] */ + unsigned _reserved_1 : 5; /* D[7:3] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_GET_IMG_FMT; + +typedef union { + struct ILI9341ParamBits_GET_SIG_MODE { + unsigned _reserved_1 : 2; /* D[1:0] */ + unsigned data_enable : 1; /* D[2] */ + unsigned pixel_clock : 1; /* D[3] */ + unsigned vsync : 1; /* D[4] */ + unsigned hsync : 1; /* D[5] */ + unsigned tearing_mode : 1; /* D[6] */ + unsigned tearing : 1; /* D[7] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_GET_SIG_MODE; + +typedef union { + struct ILI9341ParamBits_GET_SELF_DIAG { + unsigned _reserved_1 : 6; /* D[5:0] */ + unsigned func_err : 1; /* D[6] */ + unsigned reg_err : 1; /* D[7] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_GET_SELF_DIAG; + +typedef union { + struct ILI9341ParamBits_SET_GAMMA { + uint8_t gamma_curve; /* D[7:0] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_SET_GAMMA; + +typedef union { + struct ILI9341ParamBits_SET_COL_ADDR { + uint8_t SC_15_8; /* D[ 7: 0] */ + uint8_t SC_7_0; /* D[15: 8] */ + uint8_t EC_15_8; /* D[23:16] */ + uint8_t EC_7_0; /* D[31:24] */ + } bits; + uint8_t bytes[4]; +} ILI9341Params_SET_COL_ADDR; + +typedef union { + struct ILI9341ParamBits_SET_PAGE_ADDR { + uint8_t SP_15_8; /* D[ 7: 0] */ + uint8_t SP_7_0; /* D[15: 8] */ + uint8_t EP_15_8; /* D[23:16] */ + uint8_t EP_7_0; /* D[31:24] */ + } bits; + uint8_t bytes[4]; +} ILI9341Params_SET_PAGE_ADDR; + +typedef union { + struct ILI9341ParamBits_SET_PARTIAL_AREA { + uint8_t SR_15_8; /* D[ 7: 0] */ + uint8_t SR_7_0; /* D[15: 8] */ + uint8_t ER_15_8; /* D[23:16] */ + uint8_t ER_7_0; /* D[31:24] */ + } bits; + uint8_t bytes[4]; +} ILI9341Params_SET_PARTIAL_AREA; + +typedef union { + struct ILI9341ParamBits_SET_VSCROLL { + uint8_t TFA_15_8; /* D[ 7: 0] */ + uint8_t TFA_7_0; /* D[15: 8] */ + uint8_t VSA_15_8; /* D[23:16] */ + uint8_t VSA_7_0; /* D[31:24] */ + uint8_t BFA_15_8; /* D[39:32] */ + uint8_t BFA_7_0; /* D[47:40] */ + } bits; + uint8_t bytes[6]; +} ILI9341Params_SET_VSCROLL; + +typedef union { + struct ILI9341ParamBits_CMD_TEARING_ON { + unsigned M : 1; /* D[0] */ + unsigned _reserved_1 : 7; /* D[7:1] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_CMD_TEARING_ON; + +typedef union { + struct ILI9341ParamBits_SET_MEM_ACS_CTL { + unsigned _reserved_1 : 2; /* D[1:0] */ + unsigned MH : 1; /* D[2] */ + unsigned BGR : 1; /* D[3] */ + unsigned ML : 1; /* D[4] */ + unsigned MV : 1; /* D[5] */ + unsigned MX : 1; /* D[6] */ + unsigned MY : 1; /* D[7] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_SET_MEM_ACS_CTL; + +typedef union { + struct ILI9341ParamBits_SET_VSCROLL_ADDR { + uint8_t VSP_15_8; /* D[ 7: 0] */ + uint8_t VSP_7_0; /* D[15: 8] */ + } bits; + uint8_t bytes[2]; +} ILI9341Params_SET_VSCROLL_ADDR; + +typedef union { + struct ILI9341ParamBits_SET_PIX_FMT { + unsigned DBI : 3; /* D[2:0] */ + unsigned _reserved_1 : 1; /* D[3] */ + unsigned DPI : 3; /* D[4:6] */ + unsigned _reserved_2 : 1; /* D[7] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_SET_PIX_FMT; + +typedef union { + struct ILI9341ParamBits_SET_TEAR_SCANLINE { + uint8_t STS_8; /* D[ 7: 0] */ + uint8_t STS_7_0; /* D[15: 8] */ + } bits; + uint8_t bytes[4]; +} ILI9341Params_SET_TEAR_SCANLINE; + +typedef union { + struct ILI9341ParamBits_GET_TEAR_SCANLINE { + uint8_t GTS_9_8; /* D[ 7: 0] */ + uint8_t GTS_7_0; /* D[15: 8] */ + } bits; + uint8_t bytes[2]; +} ILI9341Params_GET_TEAR_SCANLINE; + +typedef union { + struct ILI9341ParamBits_SET_BRIGHTNESS { + uint8_t DBV; /* D[7:0] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_SET_BRIGHTNESS; + +typedef union { + struct ILI9341ParamBits_GET_BRIGHTNESS { + uint8_t DBV; /* D[7:0] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_GET_BRIGHTNESS; + +typedef union { + struct ILI9341ParamBits_SET_DISPLAY_CTL { + unsigned _reserved_1 : 2; /* D[1:0] */ + unsigned BL : 1; /* D[2] */ + unsigned DD : 1; /* D[3] */ + unsigned _reserved_2 : 1; /* D[4] */ + unsigned BCTRL : 1; /* D[5] */ + unsigned _reserved_3 : 1; /* D[7:6] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_SET_DISPLAY_CTL; + +typedef union { + struct ILI9341ParamBits_GET_DISPLAY_CTL { + unsigned _reserved_1 : 2; /* D[1:0] */ + unsigned BL : 1; /* D[2] */ + unsigned DD : 1; /* D[3] */ + unsigned _reserved_2 : 1; /* D[4] */ + unsigned BCTRL : 1; /* D[5] */ + unsigned _reserved_3 : 1; /* D[7:6] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_GET_DISPLAY_CTL; + +typedef union { + struct ILI9341ParamBits_SET_CABC { + unsigned C : 2; /* D[1:0] */ + unsigned _reserved_1 : 6; /* D[7:2] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_SET_CABC; + +typedef union { + struct ILI9341ParamBits_GET_CABC { + unsigned C : 2; /* D[1:0] */ + unsigned _reserved_1 : 6; /* D[7:2] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_GET_CABC; + +typedef union { + struct ILI9341ParamBits_SET_CABC_MIN { + uint8_t CMB; /* D[7:0] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_SET_CABC_MIN; + +typedef union { + struct ILI9341ParamBits_GET_CABC_MIN { + uint8_t CMB; /* D[7:0] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_GET_CABC_MIN; + +#if 0 /* TODO: Extended command structs.*/ + +typedef union { + struct ILI9341ParamBits { + unsigned : 1; /* D[] */ + unsigned : 1; /* D[] */ + unsigned : 1; /* D[] */ + unsigned : 1; /* D[] */ + unsigned : 1; /* D[] */ + unsigned : 1; /* D[] */ + unsigned : 1; /* D[] */ + unsigned : 1; /* D[] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_; + +typedef union { + struct ILI9341ParamBits { + unsigned : 1; /* D[] */ + unsigned : 1; /* D[] */ + unsigned : 1; /* D[] */ + unsigned : 1; /* D[] */ + unsigned : 1; /* D[] */ + unsigned : 1; /* D[] */ + unsigned : 1; /* D[] */ + unsigned : 1; /* D[] */ + } bits; + uint8_t bytes[1]; +} ILI9341Params_; + +#endif /*0*/ + +#pragma pack(pop) + +#endif /* ILI9341_H */ diff --git a/drivers/gdisp/STM32F429iDiscovery/readme.txt b/drivers/gdisp/STM32F429iDiscovery/readme.txt new file mode 100644 index 00000000..ce2dd03b --- /dev/null +++ b/drivers/gdisp/STM32F429iDiscovery/readme.txt @@ -0,0 +1,11 @@ +To use this driver: + +1. Add in your gfxconf.h: + a) #define GFX_USE_GDISP TRUE + +2. To your makefile add the following lines: + include $(GFXLIB)/gfx.mk + include $(GFXLIB)/drivers/gdisp/STM32F429iDiscovery/driver.mk + +3. Add a board_STM32F429iDiscovery.h to you project directory (or board directory) + base on one of the templates. diff --git a/drivers/gdisp/STM32F429iDiscovery/stm32_ltdc.h b/drivers/gdisp/STM32F429iDiscovery/stm32_ltdc.h new file mode 100644 index 00000000..dd7c94e8 --- /dev/null +++ b/drivers/gdisp/STM32F429iDiscovery/stm32_ltdc.h @@ -0,0 +1,551 @@ +/* + * 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 STM32_LTDC_H +#define STM32_LTDC_H + +// LTDC enable flags +#define LTDC_EF_ENABLE (1 << 0) /**< LTDC enabled.*/ +#define LTDC_EF_DITHER (1 << 16) /**< Dithering enabled.*/ +#define LTDC_EF_PIXCLK_INVERT (1 << 28) /**< Inverted pixel clock.*/ +#define LTDC_EF_DATAEN_HIGH (1 << 29) /**< Active-high data enable.*/ +#define LTDC_EF_VSYNC_HIGH (1 << 30) /**< Active-high vsync.*/ +#define LTDC_EF_HSYNC_HIGH (1 << 31) /**< Active-high hsync.*/ + +#define LTDC_EF_MASK (LTDC_EF_ENABLE | LTDC_EF_DITHER | LTDC_EF_PIXCLK_INVERT | LTDC_EF_DATAEN_HIGH | LTDC_EF_VSYNC_HIGH | LTDC_EF_HSYNC_HIGH) + +// LTDC layer enable flags +#define LTDC_LEF_ENABLE (1 << 0) /**< Layer enabled*/ +#define LTDC_LEF_KEYING (1 << 1) /**< Color keying enabled.*/ +#define LTDC_LEF_PALETTE (1 << 4) /**< Palette enabled.*/ + +#define LTDC_LEF_MASK (LTDC_LEF_ENABLE | LTDC_LEF_KEYING | LTDC_LEF_PALETTE) + +// LTDC pixel formats +#define LTDC_FMT_ARGB8888 0 /**< ARGB-8888 format.*/ +#define LTDC_FMT_RGB888 1 /**< RGB-888 format.*/ +#define LTDC_FMT_RGB565 2 /**< RGB-565 format.*/ +#define LTDC_FMT_ARGB1555 3 /**< ARGB-1555 format.*/ +#define LTDC_FMT_ARGB4444 4 /**< ARGB-4444 format.*/ +#define LTDC_FMT_L8 5 /**< L-8 format.*/ +#define LTDC_FMT_AL44 6 /**< AL-44 format.*/ +#define LTDC_FMT_AL88 7 /**< AL-88 format.*/ + +// LTDC pixel format aliased raw masks +#define LTDC_XMASK_ARGB8888 0xFFFFFFFF /**< ARGB-8888 aliased mask.*/ +#define LTDC_XMASK_RGB888 0x00FFFFFF /**< RGB-888 aliased mask.*/ +#define LTDC_XMASK_RGB565 0x00F8FCF8 /**< RGB-565 aliased mask.*/ +#define LTDC_XMASK_ARGB1555 0x80F8F8F8 /**< ARGB-1555 aliased mask.*/ +#define LTDC_XMASK_ARGB4444 0xF0F0F0F0 /**< ARGB-4444 aliased mask.*/ +#define LTDC_XMASK_L8 0x000000FF /**< L-8 aliased mask.*/ +#define LTDC_XMASK_AL44 0xF00000F0 /**< AL-44 aliased mask.*/ +#define LTDC_XMASK_AL88 0xFF0000FF /**< AL-88 aliased mask.*/ + +// LTDC blending factors +#define LTDC_BLEND_FIX1_FIX2 0x0405 /**< cnst1; 1 - cnst2 */ +#define LTDC_BLEND_FIX1_MOD2 0x0407 /**< cnst1; 1 - a2 * cnst2 */ +#define LTDC_BLEND_MOD1_FIX2 0x0605 /**< a1 * cnst1; 1 - cnst2 */ +#define LTDC_BLEND_MOD1_MOD2 0x0607 /**< a1 * cnst1; 1 - a2 * cnst2 */ + +// LTDC parameter bounds +#define LTDC_MIN_SCREEN_WIDTH 1 +#define LTDC_MIN_SCREEN_HEIGHT 1 +#define LTDC_MAX_SCREEN_WIDTH 800 +#define LTDC_MAX_SCREEN_HEIGHT 600 + +#define LTDC_MIN_HSYNC_WIDTH 1 +#define LTDC_MIN_VSYNC_HEIGHT 1 +#define LTDC_MAX_HSYNC_WIDTH (1 << 12) +#define LTDC_MAX_VSYNC_HEIGHT (1 << 11) + +#define LTDC_MIN_HBP_WIDTH 0 +#define LTDC_MIN_VBP_HEIGHT 0 +#define LTDC_MAX_HBP_WIDTH (1 << 12) +#define LTDC_MAX_VBP_HEIGHT (1 << 11) + +#define LTDC_MIN_ACC_HBP_WIDTH 1 +#define LTDC_MIN_ACC_VBP_HEIGHT 1 +#define LTDC_MAX_ACC_HBP_WIDTH (1 << 12) +#define LTDC_MAX_ACC_VBP_HEIGHT (1 << 11) + +#define LTDC_MIN_HFP_WIDTH 0 +#define LTDC_MIN_VFP_HEIGHT 0 +#define LTDC_MAX_HFP_WIDTH (1 << 12) +#define LTDC_MAX_VFP_HEIGHT (1 << 11) + +#define LTDC_MIN_ACTIVE_WIDTH 0 +#define LTDC_MIN_ACTIVE_HEIGHT 0 +#define LTDC_MAX_ACTIVE_WIDTH (1 << 12) +#define LTDC_MAX_ACTIVE_HEIGHT (1 << 11) + +#define LTDC_MIN_ACC_ACTIVE_WIDTH 1 +#define LTDC_MIN_ACC_ACTIVE_HEIGHT 1 +#define LTDC_MAX_ACC_ACTIVE_WIDTH (1 << 12) +#define LTDC_MAX_ACC_ACTIVE_HEIGHT (1 << 11) + +#define LTDC_MIN_ACC_TOTAL_WIDTH 1 +#define LTDC_MIN_ACC_TOTAL_HEIGHT 1 +#define LTDC_MAX_ACC_TOTAL_WIDTH (1 << 12) +#define LTDC_MAX_ACC_TOTAL_HEIGHT (1 << 11) + +#define LTDC_MIN_LINE_INTERRUPT_POS 0 +#define LTDC_MAX_LINE_INTERRUPT_POS ((1 << 11) - 1) + +#define LTDC_MIN_WINDOW_HSTART 0 +#define LTDC_MIN_WINDOW_HSTART 0 +#define LTDC_MAX_WINDOW_HSTOP ((1 << 12) - 1) +#define LTDC_MAX_WINDOW_HSTOP ((1 << 12) - 1) + +#define LTDC_MIN_WINDOW_VSTART 0 +#define LTDC_MIN_WINDOW_VSTART 0 +#define LTDC_MAX_WINDOW_VSTOP ((1 << 11) - 1) +#define LTDC_MAX_WINDOW_VSTOP ((1 << 11) - 1) + +#define LTDC_MIN_FRAME_WIDTH_BYTES 0 +#define LTDC_MIN_FRAME_HEIGHT_LINES 0 +#define LTDC_MIN_FRAME_PITCH_BYTES 0 +#define LTDC_MAX_FRAME_WIDTH_BYTES ((1 << 13) - 1 - 3) +#define LTDC_MAX_FRAME_HEIGHT_LINES ((1 << 11) - 1) +#define LTDC_MAX_FRAME_PITCH_BYTES ((1 << 13) - 1) + +#define LTDC_MIN_PIXFMT_ID 0 +#define LTDC_MAX_PIXFMT_ID 7 + +#define LTDC_MAX_PALETTE_LENGTH 256 + +// LTDC basic ARGB-8888 colors. +#define LTDC_COLOR_BLACK 0xFF000000 +#define LTDC_COLOR_MAROON 0xFF800000 +#define LTDC_COLOR_GREEN 0xFF008000 +#define LTDC_COLOR_OLIVE 0xFF808000 +#define LTDC_COLOR_NAVY 0xFF000080 +#define LTDC_COLOR_PURPLE 0xFF800080 +#define LTDC_COLOR_TEAL 0xFF008080 +#define LTDC_COLOR_SILVER 0xFFC0C0C0 +#define LTDC_COLOR_GRAY 0xFF808080 +#define LTDC_COLOR_RED 0xFFFF0000 +#define LTDC_COLOR_LIME 0xFF00FF00 +#define LTDC_COLOR_YELLOW 0xFFFFFF00 +#define LTDC_COLOR_BLUE 0xFF0000FF +#define LTDC_COLOR_FUCHSIA 0xFFFF00FF +#define LTDC_COLOR_AQUA 0xFF00FFFF +#define LTDC_COLOR_WHITE 0xFFFFFFFF + +/**/ +#define STM32_LTDC_EV_HANDLER LTDC_EV_IRQHandler +#define STM32_LTDC_ER_HANDLER LTDC_ER_IRQHandler +#define STM32_LTDC_EV_NUMBER LTDC_IRQn +#define STM32_LTDC_ER_NUMBER LTDC_ER_IRQn +#define LTDC_EV_IRQHandler Vector1A0 +#define LTDC_ER_IRQHandler Vector1A4 + +#define STM32_LTDC_EV_IRQ_PRIORITY 11 +#define STM32_LTDC_ER_IRQ_PRIORITY 11 +#define LTDC_USE_WAIT TRUE +#define LTDC_USE_SOFTWARE_CONVERSIONS TRUE + +#ifndef STM32F429_439xx +#error "Currently only STM32F429xx and STM32F439xx are supported" +#endif + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/* Complex types forwarding.*/ +typedef union ltdc_coloralias_t ltdc_coloralias_t; +typedef struct ltdc_window_t ltdc_window_t; +typedef struct ltdc_frame_t ltdc_frame_t; +typedef struct ltdc_laycfg_t ltdc_laycfg_t; +typedef struct LTDCConfig LTDCConfig; +typedef enum ltdc_state_t ltdc_state_t; +typedef struct LTDCDriver LTDCDriver; + +/** + * @name LTDC Data types + * @{ + */ + +/** + * @brief LTDC generic color. + */ +typedef uint32_t ltdc_color_t; + +/** + * @brief LTDC color aliases. + * @detail Mapped with ARGB-8888, except for luminance (L mapped onto B). + * Padding fields prefixed with <tt>'x'</tt>, which should be clear + * (all 0) before compression and set (all 1) after expansion. + */ +typedef union ltdc_coloralias_t { + struct { + unsigned b : 8; + unsigned g : 8; + unsigned r : 8; + unsigned a : 8; + } argb8888; /**< Mapped ARGB-8888 bits.*/ + struct { + unsigned b : 8; + unsigned g : 8; + unsigned r : 8; + unsigned xa : 8; + } rgb888; /**< Mapped RGB-888 bits.*/ + struct { + unsigned xb : 3; + unsigned b : 5; + unsigned xg : 2; + unsigned g : 6; + unsigned xr : 3; + unsigned r : 5; + unsigned xa : 8; + } rgb565; /**< Mapped RGB-565 bits.*/ + struct { + unsigned xb : 3; + unsigned b : 5; + unsigned xg : 3; + unsigned g : 5; + unsigned xr : 3; + unsigned r : 5; + unsigned xa : 7; + unsigned a : 1; + } argb1555; /**< Mapped ARGB-1555 values.*/ + struct { + unsigned xb : 4; + unsigned b : 4; + unsigned xg : 4; + unsigned g : 4; + unsigned xr : 4; + unsigned r : 4; + unsigned xa : 4; + unsigned a : 4; + } argb4444; /**< Mapped ARGB-4444 values.*/ + struct { + unsigned l : 8; + unsigned x : 16; + unsigned xa : 8; + } l8; /**< Mapped L-8 bits.*/ + struct { + unsigned xl : 4; + unsigned l : 4; + unsigned x : 16; + unsigned xa : 4; + unsigned a : 4; + } al44; /**< Mapped AL-44 bits.*/ + struct { + unsigned l : 8; + unsigned x : 16; + unsigned a : 8; + } al88; /**< Mapped AL-88 bits.*/ + ltdc_color_t aliased; /**< Aliased raw bits.*/ +} ltdc_coloralias_t; + +/** + * @brief LTDC layer identifier. + */ +typedef uint32_t ltdc_layerid_t; + +/** + * @brief LTDC pixel format. + */ +typedef uint32_t ltdc_pixfmt_t; + +/** + * @brief LTDC blending factor. + */ +typedef uint32_t ltdc_blendf_t; + +/** + * @brief LTDC ISR callback. + */ +typedef void (*ltdc_isrcb_t)(LTDCDriver *ltdcp); + +/** + * @brief LTDC window specifications. + */ +typedef struct ltdc_window_t { + uint16_t hstart; /**< Horizontal start pixel (left).*/ + uint16_t hstop; /**< Horizontal stop pixel (right).*/ + uint16_t vstart; /**< Vertical start pixel (top).*/ + uint16_t vstop; /**< Vertical stop pixel (bottom).*/ +} ltdc_window_t; + +/** + * @brief LTDC frame specifications. + */ +typedef struct ltdc_frame_t { + void *bufferp; /**< Frame buffer address.*/ + uint16_t width; /**< Frame width, in pixels.*/ + uint16_t height; /**< Frame height, in pixels.*/ + size_t pitch; /**< Line pitch, in bytes.*/ + ltdc_pixfmt_t fmt; /**< Pixel format.*/ +} ltdc_frame_t; + +/** + * @brief LTDC configuration flags. + */ +typedef uint8_t ltdc_flags_t; + +/** + * @brief LTDC startup layer configuration. + */ +typedef struct ltdc_laycfg_t { + const ltdc_frame_t *frame; /**< Frame buffer specifications.*/ + const ltdc_window_t *window; /**< Window specifications.*/ + ltdc_color_t def_color; /**< Default color, ARGB-8888.*/ + uint8_t const_alpha; /**< Constant alpha factor.*/ + ltdc_color_t key_color; /**< Color key.*/ + const ltdc_color_t *pal_colors; /**< Palette colors, or @p NULL.*/ + uint16_t pal_length; /**< Palette length, or @p 0.*/ + ltdc_blendf_t blending; /**< Blending factors.*/ + ltdc_flags_t flags; /**< Layer configuration flags.*/ +} ltdc_laycfg_t; + +/** + * @brief LTDC driver configuration. + */ +typedef struct LTDCConfig { + /* Display specifications.*/ + uint16_t screen_width; /**< Screen pixel width.*/ + uint16_t screen_height; /**< Screen pixel height.*/ + uint16_t hsync_width; /**< Horizontal sync pixel width.*/ + uint16_t vsync_height; /**< Vertical sync pixel height.*/ + uint16_t hbp_width; /**< Horizontal back porch pixel width.*/ + uint16_t vbp_height; /**< Vertical back porch pixel height.*/ + uint16_t hfp_width; /**< Horizontal front porch pixel width.*/ + uint16_t vfp_height; /**< Vertical front porch pixel height.*/ + ltdc_flags_t flags; /**< Driver configuration flags.*/ + + /* ISR callbacks.*/ + ltdc_isrcb_t line_isr; /**< Line Interrupt ISR, or @p NULL.*/ + ltdc_isrcb_t rr_isr; /**< Register Reload ISR, or @p NULL.*/ + ltdc_isrcb_t fuerr_isr; /**< FIFO Underrun ISR, or @p NULL.*/ + ltdc_isrcb_t terr_isr; /**< Transfer Error ISR, or @p NULL.*/ + + /* Layer and color settings.*/ + ltdc_color_t clear_color; /**< Clear screen color, RGB-888.*/ + const ltdc_laycfg_t *bg_laycfg; /**< Background layer specs, or @p NULL.*/ + const ltdc_laycfg_t *fg_laycfg; /**< Foreground layer specs, or @p NULL.*/ +} LTDCConfig; + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/** + * @brief Makes an ARGB-8888 value from byte components. + * + * @param[in] a alpha byte component + * @param[in] r red byte component + * @param[in] g green byte component + * @param[in] b blue byte component + * + * @return color in ARGB-8888 format + * + * @api + */ +#define ltdcMakeARGB8888(a, r, g, b) \ + ((((ltdc_color_t)(a) & 0xFF) << 24) | \ + (((ltdc_color_t)(r) & 0xFF) << 16) | \ + (((ltdc_color_t)(g) & 0xFF) << 8) | \ + (((ltdc_color_t)(b) & 0xFF) << 0)) + +/** + * @brief Compute bytes per pixel. + * @details Computes the bytes per pixel for the specified pixel format. + * Rounds to the ceiling. + * + * @param[in] fmt pixel format + * + * @return bytes per pixel + * + * @api + */ +#define ltdcBytesPerPixel(fmt) \ + ((ltdcBitsPerPixel(fmt) + 7) >> 3) + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + + /* Global methods.*/ + ltdc_flags_t ltdcGetEnableFlagsI(LTDCDriver *ltdcp); + ltdc_flags_t ltdcGetEnableFlags(LTDCDriver *ltdcp); + void ltdcSetEnableFlagsI(LTDCDriver *ltdcp, ltdc_flags_t flags); + void ltdcSetEnableFlags(LTDCDriver *ltdcp, ltdc_flags_t flags); + bool_t ltdcIsReloadingI(LTDCDriver *ltdcp); + bool_t ltdcIsReloading(LTDCDriver *ltdcp); + void ltdcStartReloadI(LTDCDriver *ltdcp, bool_t immediately); + void ltdcStartReload(LTDCDriver *ltdcp, bool_t immediately); + void ltdcReloadS(LTDCDriver *ltdcp, bool_t immediately); + void ltdcReload(LTDCDriver *ltdcp, bool_t immediately); + bool_t ltdcIsDitheringEnabledI(LTDCDriver *ltdcp); + bool_t ltdcIsDitheringEnabled(LTDCDriver *ltdcp); + void ltdcEnableDitheringI(LTDCDriver *ltdcp); + void ltdcEnableDithering(LTDCDriver *ltdcp); + void ltdcDisableDitheringI(LTDCDriver *ltdcp); + void ltdcDisableDithering(LTDCDriver *ltdcp); + ltdc_color_t ltdcGetClearColorI(LTDCDriver *ltdcp); + ltdc_color_t ltdcGetClearColor(LTDCDriver *ltdcp); + void ltdcSetClearColorI(LTDCDriver *ltdcp, ltdc_color_t c); + void ltdcSetClearColor(LTDCDriver *ltdcp, ltdc_color_t c); + uint16_t ltdcGetLineInterruptPosI(LTDCDriver *ltdcp); + uint16_t ltdcGetLineInterruptPos(LTDCDriver *ltdcp); + void ltdcSetLineInterruptPosI(LTDCDriver *ltdcp, uint16_t line); + void ltdcSetLineInterruptPos(LTDCDriver *ltdcp, uint16_t line); + bool_t ltdcIsLineInterruptEnabledI(LTDCDriver *ltdcp); + bool_t ltdcIsLineInterruptEnabled(LTDCDriver *ltdcp); + void ltdcEnableLineInterruptI(LTDCDriver *ltdcp); + void ltdcEnableLineInterrupt(LTDCDriver *ltdcp); + void ltdcDisableLineInterruptI(LTDCDriver *ltdcp); + void ltdcDisableLineInterrupt(LTDCDriver *ltdcp); + void ltdcGetCurrentPosI(LTDCDriver *ltdcp, uint16_t *xp, uint16_t *yp); + void ltdcGetCurrentPos(LTDCDriver *ltdcp, uint16_t *xp, uint16_t *yp); + + /* Background layer methods.*/ + ltdc_flags_t ltdcBgGetEnableFlagsI(LTDCDriver *ltdcp); + ltdc_flags_t ltdcBgGetEnableFlags(LTDCDriver *ltdcp); + void ltdcBgSetEnableFlagsI(LTDCDriver *ltdcp, ltdc_flags_t flags); + void ltdcBgSetEnableFlags(LTDCDriver *ltdcp, ltdc_flags_t flags); + bool_t ltdcBgIsEnabledI(LTDCDriver *ltdcp); + bool_t ltdcBgIsEnabled(LTDCDriver *ltdcp); + void ltdcBgEnableI(LTDCDriver *ltdcp); + void ltdcBgEnable(LTDCDriver *ltdcp); + void ltdcBgDisableI(LTDCDriver *ltdcp); + void ltdcBgDisable(LTDCDriver *ltdcp); + bool_t ltdcBgIsPaletteEnabledI(LTDCDriver *ltdcp); + bool_t ltdcBgIsPaletteEnabled(LTDCDriver *ltdcp); + void ltdcBgEnablePaletteI(LTDCDriver *ltdcp); + void ltdcBgEnablePalette(LTDCDriver *ltdcp); + void ltdcBgDisablePaletteI(LTDCDriver *ltdcp); + void ltdcBgDisablePalette(LTDCDriver *ltdcp); + void ltdcBgSetPaletteColorI(LTDCDriver *ltdcp, uint8_t slot, ltdc_color_t c); + void ltdcBgSetPaletteColor(LTDCDriver *ltdcp, uint8_t slot, ltdc_color_t c); + void ltdcBgSetPaletteI(LTDCDriver *ltdcp, const ltdc_color_t colors[], + uint16_t length); + void ltdcBgSetPalette(LTDCDriver *ltdcp, const ltdc_color_t colors[], + uint16_t length); + ltdc_pixfmt_t ltdcBgGetPixelFormatI(LTDCDriver *ltdcp); + ltdc_pixfmt_t ltdcBgGetPixelFormat(LTDCDriver *ltdcp); + void ltdcBgSetPixelFormatI(LTDCDriver *ltdcp, ltdc_pixfmt_t fmt); + void ltdcBgSetPixelFormat(LTDCDriver *ltdcp, ltdc_pixfmt_t fmt); + bool_t ltdcBgIsKeyingEnabledI(LTDCDriver *ltdcp); + bool_t ltdcBgIsKeyingEnabled(LTDCDriver *ltdcp); + void ltdcBgEnableKeyingI(LTDCDriver *ltdcp); + void ltdcBgEnableKeying(LTDCDriver *ltdcp); + void ltdcBgDisableKeyingI(LTDCDriver *ltdcp); + void ltdcBgDisableKeying(LTDCDriver *ltdcp); + ltdc_color_t ltdcBgGetKeyingColorI(LTDCDriver *ltdcp); + ltdc_color_t ltdcBgGetKeyingColor(LTDCDriver *ltdcp); + void ltdcBgSetKeyingColorI(LTDCDriver *ltdcp, ltdc_color_t c); + void ltdcBgSetKeyingColor(LTDCDriver *ltdcp, ltdc_color_t c); + uint8_t ltdcBgGetConstantAlphaI(LTDCDriver *ltdcp); + uint8_t ltdcBgGetConstantAlpha(LTDCDriver *ltdcp); + void ltdcBgSetConstantAlphaI(LTDCDriver *ltdcp, uint8_t a); + void ltdcBgSetConstantAlpha(LTDCDriver *ltdcp, uint8_t a); + ltdc_color_t ltdcBgGetDefaultColorI(LTDCDriver *ltdcp); + ltdc_color_t ltdcBgGetDefaultColor(LTDCDriver *ltdcp); + void ltdcBgSetDefaultColorI(LTDCDriver *ltdcp, ltdc_color_t c); + void ltdcBgSetDefaultColor(LTDCDriver *ltdcp, ltdc_color_t c); + ltdc_blendf_t ltdcBgGetBlendingFactorsI(LTDCDriver *ltdcp); + ltdc_blendf_t ltdcBgGetBlendingFactors(LTDCDriver *ltdcp); + void ltdcBgSetBlendingFactorsI(LTDCDriver *ltdcp, ltdc_blendf_t bf); + void ltdcBgSetBlendingFactors(LTDCDriver *ltdcp, ltdc_blendf_t bf); + void ltdcBgGetWindowI(LTDCDriver *ltdcp, ltdc_window_t *windowp); + void ltdcBgGetWindow(LTDCDriver *ltdcp, ltdc_window_t *windowp); + void ltdcBgSetWindowI(LTDCDriver *ltdcp, const ltdc_window_t *windowp); + void ltdcBgSetWindow(LTDCDriver *ltdcp, const ltdc_window_t *windowp); + void ltdcBgSetInvalidWindowI(LTDCDriver *ltdcp); + void ltdcBgSetInvalidWindow(LTDCDriver *ltdcp); + void ltdcBgGetFrameI(LTDCDriver *ltdcp, ltdc_frame_t *framep); + void ltdcBgGetFrame(LTDCDriver *ltdcp, ltdc_frame_t *framep); + void ltdcBgSetFrameI(LTDCDriver *ltdcp, const ltdc_frame_t *framep); + void ltdcBgSetFrame(LTDCDriver *ltdcp, const ltdc_frame_t *framep); + void *ltdcBgGetFrameAddressI(LTDCDriver *ltdcp); + void *ltdcBgGetFrameAddress(LTDCDriver *ltdcp); + void ltdcBgSetFrameAddressI(LTDCDriver *ltdcp, void *bufferp); + void ltdcBgSetFrameAddress(LTDCDriver *ltdcp, void *bufferp); + void ltdcBgGetLayerI(LTDCDriver *ltdcp, ltdc_laycfg_t *cfgp); + void ltdcBgGetLayer(LTDCDriver *ltdcp, ltdc_laycfg_t *cfgp); + void ltdcBgSetConfigI(LTDCDriver *ltdcp, const ltdc_laycfg_t *cfgp); + void ltdcBgSetConfig(LTDCDriver *ltdcp, const ltdc_laycfg_t *cfgp); + + /* Foreground layer methods.*/ + ltdc_flags_t ltdcFgGetEnableFlagsI(LTDCDriver *ltdcp); + ltdc_flags_t ltdcFgGetEnableFlags(LTDCDriver *ltdcp); + void ltdcFgSetEnableFlagsI(LTDCDriver *ltdcp, ltdc_flags_t flags); + void ltdcFgSetEnableFlags(LTDCDriver *ltdcp, ltdc_flags_t flags); + bool_t ltdcFgIsEnabledI(LTDCDriver *ltdcp); + bool_t ltdcFgIsEnabled(LTDCDriver *ltdcp); + void ltdcFgEnableI(LTDCDriver *ltdcp); + void ltdcFgEnable(LTDCDriver *ltdcp); + void ltdcFgDisableI(LTDCDriver *ltdcp); + void ltdcFgDisable(LTDCDriver *ltdcp); + bool_t ltdcFgIsPaletteEnabledI(LTDCDriver *ltdcp); + bool_t ltdcFgIsPaletteEnabled(LTDCDriver *ltdcp); + void ltdcFgEnablePaletteI(LTDCDriver *ltdcp); + void ltdcFgEnablePalette(LTDCDriver *ltdcp); + void ltdcFgDisablePaletteI(LTDCDriver *ltdcp); + void ltdcFgDisablePalette(LTDCDriver *ltdcp); + void ltdcFgSetPaletteColorI(LTDCDriver *ltdcp, uint8_t slot, ltdc_color_t c); + void ltdcFgSetPaletteColor(LTDCDriver *ltdcp, uint8_t slot, ltdc_color_t c); + void ltdcFgSetPaletteI(LTDCDriver *ltdcp, const ltdc_color_t colors[], + uint16_t length); + void ltdcFgSetPalette(LTDCDriver *ltdcp, const ltdc_color_t colors[], + uint16_t length); + ltdc_pixfmt_t ltdcFgGetPixelFormatI(LTDCDriver *ltdcp); + ltdc_pixfmt_t ltdcFgGetPixelFormat(LTDCDriver *ltdcp); + void ltdcFgSetPixelFormatI(LTDCDriver *ltdcp, ltdc_pixfmt_t fmt); + void ltdcFgSetPixelFormat(LTDCDriver *ltdcp, ltdc_pixfmt_t fmt); + bool_t ltdcFgIsKeyingEnabledI(LTDCDriver *ltdcp); + bool_t ltdcFgIsKeyingEnabled(LTDCDriver *ltdcp); + void ltdcFgEnableKeyingI(LTDCDriver *ltdcp); + void ltdcFgEnableKeying(LTDCDriver *ltdcp); + void ltdcFgDisableKeyingI(LTDCDriver *ltdcp); + void ltdcFgDisableKeying(LTDCDriver *ltdcp); + ltdc_color_t ltdcFgGetKeyingColorI(LTDCDriver *ltdcp); + ltdc_color_t ltdcFgGetKeyingColor(LTDCDriver *ltdcp); + void ltdcFgSetKeyingColorI(LTDCDriver *ltdcp, ltdc_color_t c); + void ltdcFgSetKeyingColor(LTDCDriver *ltdcp, ltdc_color_t c); + uint8_t ltdcFgGetConstantAlphaI(LTDCDriver *ltdcp); + uint8_t ltdcFgGetConstantAlpha(LTDCDriver *ltdcp); + void ltdcFgSetConstantAlphaI(LTDCDriver *ltdcp, uint8_t a); + void ltdcFgSetConstantAlpha(LTDCDriver *ltdcp, uint8_t a); + ltdc_color_t ltdcFgGetDefaultColorI(LTDCDriver *ltdcp); + ltdc_color_t ltdcFgGetDefaultColor(LTDCDriver *ltdcp); + void ltdcFgSetDefaultColorI(LTDCDriver *ltdcp, ltdc_color_t c); + void ltdcFgSetDefaultColor(LTDCDriver *ltdcp, ltdc_color_t c); + ltdc_blendf_t ltdcFgGetBlendingFactorsI(LTDCDriver *ltdcp); + ltdc_blendf_t ltdcFgGetBlendingFactors(LTDCDriver *ltdcp); + void ltdcFgSetBlendingFactorsI(LTDCDriver *ltdcp, ltdc_blendf_t bf); + void ltdcFgSetBlendingFactors(LTDCDriver *ltdcp, ltdc_blendf_t bf); + void ltdcFgGetWindowI(LTDCDriver *ltdcp, ltdc_window_t *windowp); + void ltdcFgGetWindow(LTDCDriver *ltdcp, ltdc_window_t *windowp); + void ltdcFgSetWindowI(LTDCDriver *ltdcp, const ltdc_window_t *windowp); + void ltdcFgSetWindow(LTDCDriver *ltdcp, const ltdc_window_t *windowp); + void ltdcFgSetInvalidWindowI(LTDCDriver *ltdcp); + void ltdcFgSetInvalidWindow(LTDCDriver *ltdcp); + void ltdcFgGetFrameI(LTDCDriver *ltdcp, ltdc_frame_t *framep); + void ltdcFgGetFrame(LTDCDriver *ltdcp, ltdc_frame_t *framep); + void ltdcFgSetFrameI(LTDCDriver *ltdcp, const ltdc_frame_t *framep); + void ltdcFgSetFrame(LTDCDriver *ltdcp, const ltdc_frame_t *framep); + void *ltdcFgGetFrameAddressI(LTDCDriver *ltdcp); + void *ltdcFgGetFrameAddress(LTDCDriver *ltdcp); + void ltdcFgSetFrameAddressI(LTDCDriver *ltdcp, void *bufferp); + void ltdcFgSetFrameAddress(LTDCDriver *ltdcp, void *bufferp); + void ltdcFgGetLayerI(LTDCDriver *ltdcp, ltdc_laycfg_t *cfgp); + void ltdcFgGetLayer(LTDCDriver *ltdcp, ltdc_laycfg_t *cfgp); + void ltdcFgSetConfigI(LTDCDriver *ltdcp, const ltdc_laycfg_t *cfgp); + void ltdcFgSetConfig(LTDCDriver *ltdcp, const ltdc_laycfg_t *cfgp); + + /* Helper functions.*/ + size_t ltdcBitsPerPixel(ltdc_pixfmt_t fmt); +#if LTDC_USE_SOFTWARE_CONVERSIONS || defined(__DOXYGEN__) + ltdc_color_t ltdcFromARGB8888(ltdc_color_t c, ltdc_pixfmt_t fmt); + ltdc_color_t ltdcToARGB8888(ltdc_color_t c, ltdc_pixfmt_t fmt); +#endif /* LTDC_USE_SOFTWARE_CONVERSIONS */ + +#endif /* STM32_LTDC_H */ |