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stm32f4discovery: Add support to APA102

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This commit is contained in:
Alan Carvalho de Assis 2022-07-25 18:39:50 -03:00 committed by Xiang Xiao
parent 1b79032cbd
commit 483e152c93
2 changed files with 113 additions and 0 deletions
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4
boards/arm/stm32/stm32f4discovery/src/Make.defs
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@ -123,6 +123,10 @@ CSRCS += stm32_ssd1289.c
endif endif
endif endif
ifeq ($(CONFIG_LCD_APA102),y)
CSRCS += stm32_apa102.c
endif
ifeq ($(CONFIG_LCD_SSD1351),y) ifeq ($(CONFIG_LCD_SSD1351),y)
CSRCS += stm32_ssd1351.c CSRCS += stm32_ssd1351.c
endif endif

109
boards/arm/stm32/stm32f4discovery/src/stm32_apa102.c Normal file
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@ -0,0 +1,109 @@
/****************************************************************************
* boards/arm/stm32/stm32f4discovery/src/stm32_apa102.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdio.h>
#include <stdbool.h>
#include <debug.h>
#include <errno.h>
#include <nuttx/arch.h>
#include <nuttx/board.h>
#include <nuttx/spi/spi.h>
#include <nuttx/lcd/lcd.h>
#include <nuttx/lcd/apa102.h>
#include "stm32_gpio.h"
#include "stm32_spi.h"
#include "stm32f4discovery.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define LCD_SPI_PORTNO 1 /* On SPI1 */
#ifndef CONFIG_LCD_CONTRAST
# define CONFIG_LCD_CONTRAST 60
#endif
/****************************************************************************
* Private Data
****************************************************************************/
struct spi_dev_s *g_spidev;
struct lcd_dev_s *g_lcddev;
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: board_lcd_initialize
****************************************************************************/
int board_lcd_initialize(void)
{
g_spidev = stm32_spibus_initialize(LCD_SPI_PORTNO);
if (!g_spidev)
{
lcderr("ERROR: Failed to initialize SPI port %d\n", LCD_SPI_PORTNO);
return -ENODEV;
}
return OK;
}
/****************************************************************************
* Name: board_lcd_getdev
****************************************************************************/
struct lcd_dev_s *board_lcd_getdev(int lcddev)
{
g_lcddev = apa102_initialize(g_spidev, lcddev);
if (!g_lcddev)
{
lcderr("ERROR: Failed to bind SPI port 1 to LCD %d\n", lcddev);
}
else
{
lcdinfo("SPI port 1 bound to LCD %d\n", lcddev);
return g_lcddev;
}
return NULL;
}
/****************************************************************************
* Name: board_lcd_uninitialize
****************************************************************************/
void board_lcd_uninitialize(void)
{
/* TO-FIX */
}