Cleanups and updates to the STM32F429i-Discovery gdisp driver

3 files changed, 1 insertions, 725 deletions

diff --git a/drivers/gdisp/STM32F429iDiscovery/gdisp_lld_STM32F429iDiscovery.c b/drivers/gdisp/STM32F429iDiscovery/gdisp_lld_STM32F429iDiscovery.c
index aae21a8e..88d50114 100644
--- a/drivers/gdisp/STM32F429iDiscovery/gdisp_lld_STM32F429iDiscovery.c
+++ b/drivers/gdisp/STM32F429iDiscovery/gdisp_lld_STM32F429iDiscovery.c
@@ -29,7 +29,7 @@ typedef struct ltdcLayerConfig {
 	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
+	uint16_t		fmt;			// Pixel format in LTDC format
 
 	// window
 	coord_t			x, y;			// Start pixel position of the virtual layer
diff --git a/drivers/gdisp/STM32F429iDiscovery/ili9341.h b/drivers/gdisp/STM32F429iDiscovery/ili9341.h
index 17ad488c..ae1620c0 100644
--- a/drivers/gdisp/STM32F429iDiscovery/ili9341.h
+++ b/drivers/gdisp/STM32F429iDiscovery/ili9341.h
@@ -94,319 +94,4 @@
 #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/stm32_ltdc.h b/drivers/gdisp/STM32F429iDiscovery/stm32_ltdc.h
index dd7c94e8..866b9d89 100644
--- a/drivers/gdisp/STM32F429iDiscovery/stm32_ltdc.h
+++ b/drivers/gdisp/STM32F429iDiscovery/stm32_ltdc.h
@@ -135,417 +135,8 @@
 #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 */