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Merge pull request #17925 from aabadie/pr/drivers/lcd_params_rework

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drivers/lcd: slightly rework params to expose offset values to ili9341 driver
This commit is contained in:
Alexandre Abadie 2022-04-19 16:21:42 +02:00 committed by GitHub
commit 646fb1135a
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GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 48 additions and 62 deletions
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3
boards/adafruit-clue/include/board.h
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@ -107,7 +107,8 @@ extern "C" {
#define ILI9341_PARAM_NUM_LINES (240U) /**< Number of screen lines */
#define ILI9341_PARAM_RGB (1) /**< RGB configuration */
#define ILI9341_PARAM_INVERTED (1) /**< Inversion configuration */
#define ILI9341_PARAM_ROTATION (LCD_ROTATION_HORZ_FLIP) /**< Rotation mode */
#define ILI9341_PARAM_ROTATION (LCD_ROTATION_VERT) /**< Rotation mode */
#define ILI9341_PARAM_OFFSET_X (80) /**< Vertical rotation requires a 80 pixel offset */
/** @} */
#ifdef __cplusplus

5
drivers/ili9341/ili9341.c
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@ -168,6 +168,11 @@ static void _set_area(const lcd_t *dev, uint16_t x1, uint16_t x2,
{
be_uint16_t params[2];
x1 += dev->params->offset_x;
x2 += dev->params->offset_x;
y1 += dev->params->offset_y;
y2 += dev->params->offset_y;
params[0] = byteorder_htons(x1);
params[1] = byteorder_htons(x2);

14
drivers/ili9341/include/ili9341_params.h
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@ -20,6 +20,7 @@
#define ILI9341_PARAMS_H
#include "board.h"
#include "lcd.h"
#ifdef __cplusplus
extern "C" {
@ -60,9 +61,14 @@ extern "C" {
#ifndef ILI9341_PARAM_RGB_CHANNELS
#define ILI9341_PARAM_RGB_CHANNELS 240U /**< Number of RGB channels (e.g. columns) */
#endif
#ifndef ILI9341_PARAM_ROTATION
#define ILI9341_PARAM_ROTATION LCD_ROTATION_HORZ_FLIP
#define ILI9341_PARAM_ROTATION LCD_ROTATION_HORZ_FLIP
#endif
#ifndef ILI9341_PARAM_OFFSET_X
#define ILI9341_PARAM_OFFSET_X 0 /**< Horizontal offset */
#endif
#ifndef ILI9341_PARAM_OFFSET_Y
#define ILI9341_PARAM_OFFSET_Y 0 /**< Vertival offset */
#endif
/**
@ -78,8 +84,10 @@ extern "C" {
.rgb = ILI9341_PARAM_RGB, \
.inverted = ILI9341_PARAM_INVERTED, \
.lines = ILI9341_PARAM_NUM_LINES, \
.rotation = ILI9341_PARAM_ROTATION, \
.rgb_channels = ILI9341_PARAM_RGB_CHANNELS, \
.rotation = ILI9341_PARAM_ROTATION, \
.offset_x = ILI9341_PARAM_OFFSET_X, \
.offset_y = ILI9341_PARAM_OFFSET_Y, \
}
#endif
/** @} */

2
drivers/include/lcd.h
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@ -107,6 +107,8 @@ typedef struct {
uint16_t lines; /**< Number of lines, from 16 to 320 in 8 line steps */
uint16_t rgb_channels; /**< Display rgb channels */
lcd_rotation_t rotation; /**< Display rotation mode */
uint8_t offset_x; /**< LCD offset to apply on x axis. */
uint8_t offset_y; /**< LCD offset to apply on y axis. */
} lcd_params_t;
/**

9
drivers/include/st7735.h
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@ -86,15 +86,6 @@ typedef struct {
lcd_t dev; /**< Pointer to the common lcd device */
} st7735_t;
/**
* @brief Device initialization parameters
*/
typedef struct {
lcd_params_t params; /**< LCD struct params */
uint8_t offset_x; /**< LCD offset to apply on x axis. */
uint8_t offset_y; /**< LCD offset to apply on y axis. */
} st7735_params_t;
/**
* @brief LCD device operations table
*/

24
drivers/lcd/include/lcd_internal.h
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@ -68,30 +68,6 @@ extern "C" {
#define LCD_CMD_IFCTL 0xf6 /**< Interface control */
/** @} */
/**
* @name Memory access control bits
* @{
*/
#define LCD_MADCTL_MY 0x80 /**< Row address order */
#define LCD_MADCTL_MX 0x40 /**< Column access order */
#define LCD_MADCTL_MV 0x20 /**< Row column exchange */
#define LCD_MADCTL_ML 0x10 /**< Vertical refresh order */
#define LCD_MADCTL_BGR 0x08 /**< Color selector switch control */
#define LCD_MADCTL_MH 0x04 /**< Horizontal refresh direction */
/** @} */
/**
* @name Display rotation modes
* @{
*/
#define LCD_MADCTL_VERT LCD_MADCTL_MX /**< Vertical mode */
#define LCD_MADCTL_VERT_FLIP LCD_MADCTL_MY /**< Flipped vertical */
#define LCD_MADCTL_HORZ LCD_MADCTL_MV /**< Horizontal mode */
#define LCD_MADCTL_HORZ_FLIP LCD_MADCTL_MV | \
LCD_MADCTL_MY | \
LCD_MADCTL_MX /**< Horizontal flipped */
/** @} */
#define LCD_PIXSET_16BIT 0x55 /**< MCU and RGB 16 bit interface */
#define LCD_PIXSET_18BIT 0x66 /**< MCU and RGB 18 bit interface (not implemented) */

39
drivers/st7735/include/st7735_params.h
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@ -22,6 +22,7 @@
#define ST7735_PARAMS_H
#include "board.h"
#include "lcd.h"
#ifdef __cplusplus
extern "C" {
@ -62,29 +63,33 @@ extern "C" {
#ifndef ST7735_PARAM_RGB_CHANNELS
#define ST7735_PARAM_RGB_CHANNELS 128U /**< Number of RGB channels (e.g. columns) */
#endif
#ifndef ST7735_OFFSET_X
#define ST7735_OFFSET_X 0 /**< Horizontal offset */
#ifndef ST7735_PARAM_ROTATION
#define ST7735_PARAM_ROTATION LCD_ROTATION_HORZ /**< Rotation mode (unused) */
#endif
#ifndef ST7735_OFFSET_Y
#define ST7735_OFFSET_Y 0 /**< Vertival offset */
#ifndef ST7735_PARAM_OFFSET_X
#define ST7735_PARAM_OFFSET_X 0 /**< Horizontal offset */
#endif
#ifndef ST7735_PARAM_OFFSET_Y
#define ST7735_PARAM_OFFSET_Y 0 /**< Vertival offset */
#endif
/**
* @brief Default params
*/
#ifndef ST7735_PARAMS
#define ST7735_PARAMS { .params.spi = ST7735_PARAM_SPI, \
.params.spi_clk = ST7735_PARAM_SPI_CLK, \
.params.spi_mode = ST7735_PARAM_SPI_MODE, \
.params.cs_pin = ST7735_PARAM_CS, \
.params.dcx_pin = ST7735_PARAM_DCX, \
.params.rst_pin = ST7735_PARAM_RST, \
.params.rgb = ST7735_PARAM_RGB, \
.params.inverted = ST7735_PARAM_INVERTED, \
.params.lines = ST7735_PARAM_NUM_LINES, \
.params.rgb_channels = ST7735_PARAM_RGB_CHANNELS, \
.offset_x = ST7735_OFFSET_X, \
.offset_y = ST7735_OFFSET_Y, \
#define ST7735_PARAMS { .spi = ST7735_PARAM_SPI, \
.spi_clk = ST7735_PARAM_SPI_CLK, \
.spi_mode = ST7735_PARAM_SPI_MODE, \
.cs_pin = ST7735_PARAM_CS, \
.dcx_pin = ST7735_PARAM_DCX, \
.rst_pin = ST7735_PARAM_RST, \
.rgb = ST7735_PARAM_RGB, \
.inverted = ST7735_PARAM_INVERTED, \
.lines = ST7735_PARAM_NUM_LINES, \
.rgb_channels = ST7735_PARAM_RGB_CHANNELS, \
.rotation = LCD_ROTATION_HORZ, \
.offset_x = ST7735_PARAM_OFFSET_X, \
.offset_y = ST7735_PARAM_OFFSET_Y, \
}
#endif
/** @} */
@ -99,7 +104,7 @@ extern "C" {
/**
* @brief Configure LCD
*/
static const st7735_params_t st7735_params[] =
static const lcd_params_t st7735_params[] =
{
ST7735_PARAMS,
};

10
drivers/st7735/st7735.c
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@ -192,14 +192,12 @@ static int _init(lcd_t *dev, const lcd_params_t *params)
static void _set_area(const lcd_t *dev, uint16_t x1, uint16_t x2,
uint16_t y1, uint16_t y2)
{
st7735_params_t *st7735_params = (st7735_params_t *)dev->params;
be_uint16_t params[2];
x1 += st7735_params->offset_x;
x2 += st7735_params->offset_x;
y1 += st7735_params->offset_y;
y2 += st7735_params->offset_y;
x1 += dev->params->offset_x;
x2 += dev->params->offset_x;
y1 += dev->params->offset_y;
y2 += dev->params->offset_y;
params[0] = byteorder_htons(x1);
params[1] = byteorder_htons(x2);

2
sys/auto_init/screen/auto_init_st7735.c
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@ -47,7 +47,7 @@ void auto_init_st7735(void)
for (size_t i = 0; i < ST7735_NUMOF; i++) {
st7735_devs[i].dev.driver = &lcd_st7735_driver;
LOG_DEBUG("[auto_init_screen] initializing st7735 #%u\n", i);
if (lcd_init(&st7735_devs[i].dev, &st7735_params[i].params) < 0) {
if (lcd_init(&st7735_devs[i].dev, &st7735_params[i]) < 0) {
LOG_ERROR("[auto_init_screen] error initializing st7735 #%u\n", i);
continue;
}

2
tests/driver_st7735/main.c
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@ -46,7 +46,7 @@ int main(void)
BACKLIGHT_ON;
#endif
if (lcd_init(&dev, &st7735_params[0].params) == 0) {
if (lcd_init(&dev, &st7735_params[0]) == 0) {
puts("[OK]");
}
else {