diff --git a/boards/arm/stm32/stm32f4discovery/src/Make.defs b/boards/arm/stm32/stm32f4discovery/src/Make.defs index 98e33e0534c..0542e7e8558 100644 --- a/boards/arm/stm32/stm32f4discovery/src/Make.defs +++ b/boards/arm/stm32/stm32f4discovery/src/Make.defs @@ -123,6 +123,10 @@ CSRCS += stm32_ssd1289.c endif endif +ifeq ($(CONFIG_LCD_APA102),y) +CSRCS += stm32_apa102.c +endif + ifeq ($(CONFIG_LCD_SSD1351),y) CSRCS += stm32_ssd1351.c endif diff --git a/boards/arm/stm32/stm32f4discovery/src/stm32_apa102.c b/boards/arm/stm32/stm32f4discovery/src/stm32_apa102.c new file mode 100644 index 00000000000..3002e7d9d77 --- /dev/null +++ b/boards/arm/stm32/stm32f4discovery/src/stm32_apa102.c @@ -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 + +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#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 */ +} +