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configs/nucleo-l476rg: Add support to Nokia LCD PCD8544 on nucleo-l476rg

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This commit is contained in:
Alan Carvalho de Assis 2018-04-28 16:19:13 -06:00 committed by Gregory Nutt
parent 51b78034ac
commit 3b26e4a5a5
6 changed files with 199 additions and 34 deletions
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27
configs/nucleo-l476rg/include/board.h
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@ -120,8 +120,8 @@
#define GPIO_USART2_RTS GPIO_USART2_RTS_2
#define GPIO_USART2_CTS GPIO_USART2_CTS_2
#define GPIO_UART4_RX GPIO_UART4_RX_1 /* PA1 */
#define GPIO_UART4_TX GPIO_UART4_TX_1 /* PA0 */
#define GPIO_UART4_RX GPIO_UART4_RX_1 /* PA1 */
#define GPIO_UART4_TX GPIO_UART4_TX_1 /* PA0 */
/* I2C
*
@ -154,13 +154,13 @@
/* SPI */
#define GPIO_SPI1_MISO GPIO_SPI1_MISO_1
#define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_1
#define GPIO_SPI1_SCK GPIO_SPI1_SCK_1
#define GPIO_SPI1_MISO GPIO_SPI1_MISO_2 /* PB4 */
#define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_2 /* PB5 */
#define GPIO_SPI1_SCK GPIO_SPI1_SCK_2 /* PB3 */
#define GPIO_SPI2_MISO GPIO_SPI2_MISO_1
#define GPIO_SPI2_MOSI GPIO_SPI2_MOSI_1
#define GPIO_SPI2_SCK GPIO_SPI2_SCK_2
#define GPIO_SPI2_MISO GPIO_SPI2_MISO_1 /* PB14 */
#define GPIO_SPI2_MOSI GPIO_SPI2_MOSI_1 /* PB15 */
#define GPIO_SPI2_SCK GPIO_SPI2_SCK_2 /* PB13 */
/* LEDs
*
@ -266,17 +266,6 @@ extern "C"
/************************************************************************************
* Public Function Prototypes
************************************************************************************/
/************************************************************************************
* Name: stm32l4_board_initialize
*
* Description:
* All STM32L4 architectures must provide the following entry point. This entry point
* is called early in the initialization -- after all memory has been configured
* and mapped but before any devices have been initialized.
*
************************************************************************************/
void stm32l4_board_initialize(void);
#undef EXTERN
#if defined(__cplusplus)

4
configs/nucleo-l476rg/src/Makefile
View File

@ -69,6 +69,10 @@ ifeq ($(CONFIG_CAN),y)
CSRCS += stm32_can.c
endif
ifeq ($(CONFIG_LCD_PCD8544),y)
CSRCS += stm32_pcd8544.c
endif
ifeq ($(CONFIG_SENSORS_QENCODER),y)
CSRCS += stm32_qencoder.c
endif

18
configs/nucleo-l476rg/src/nucleo-l476rg.h
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@ -125,11 +125,11 @@
/* SPI1 off */
#define GPIO_SPI1_MOSI_OFF (GPIO_INPUT | GPIO_PULLDOWN | \
GPIO_PORTA | GPIO_PIN7)
GPIO_PORTB | GPIO_PIN5)
#define GPIO_SPI1_MISO_OFF (GPIO_INPUT | GPIO_PULLDOWN | \
GPIO_PORTA | GPIO_PIN6)
GPIO_PORTB | GPIO_PIN4)
#define GPIO_SPI1_SCK_OFF (GPIO_INPUT | GPIO_PULLDOWN | \
GPIO_PORTA | GPIO_PIN5)
GPIO_PORTB | GPIO_PIN3)
#ifdef CONFIG_WL_CC1101
# define GPIO_CC1101_PWR (GPIO_PORTC | GPIO_PIN6 | GPIO_OUTPUT_SET | \
@ -155,6 +155,18 @@
GPIO_OUTPUT_SET | GPIO_PORTB | GPIO_PIN5)
#endif
#ifdef CONFIG_LCD_PCD8544
#define STM32_LCD_CS (GPIO_OUTPUT|GPIO_PULLUP|GPIO_SPEED_2MHz|\
GPIO_OUTPUT_SET|GPIO_PORTC|GPIO_PIN4)
#define STM32_LCD_CD (GPIO_OUTPUT|GPIO_PULLUP|GPIO_SPEED_2MHz|\
GPIO_OUTPUT_SET|GPIO_PORTA|GPIO_PIN10)
#define STM32_LCD_RST (GPIO_OUTPUT|GPIO_PULLUP|GPIO_SPEED_2MHz|\
GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN13)
#endif
/* Devices on the onboard bus.
*
* Note that these are unshifted addresses.

10
configs/nucleo-l476rg/src/stm32_boot.c
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@ -1,7 +1,7 @@
/************************************************************************************
* configs/nucleo-l476rg/src/stm32l4_boot.c
*
* Copyright (C) 2014-2015 Gregory Nutt. All rights reserved.
* Copyright (C) 2014-2015, 2018 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
* Librae <librae8226@gmail.com>
*
@ -51,14 +51,6 @@
#include "up_arch.h"
#include "nucleo-l476rg.h"
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/************************************************************************************
* Private Data
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/

145
configs/nucleo-l476rg/src/stm32_pcd8544.c Normal file
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@ -0,0 +1,145 @@
/****************************************************************************
* config/nucleo-l476rg/src/stm32_pcd8544.c
*
* Copyright (C) 2018 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* 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/pcd8544.h>
#include "stm32l4_gpio.h"
#include "stm32l4_spi.h"
#include "nucleo-l476rg.h"
#ifdef CONFIG_NX_LCDDRIVER
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define LCD_SPI_PORTNO 1 /* On SPI1 */
#ifndef CONFIG_LCD_CONTRAST
# define CONFIG_LCD_CONTRAST 60
#endif
/****************************************************************************
* Private Data
****************************************************************************/
FAR struct spi_dev_s *g_spidev;
FAR struct lcd_dev_s *g_lcddev;
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: board_lcd_initialize
****************************************************************************/
int board_lcd_initialize(void)
{
/* Configure the GPIO pins */
stm32l4_configgpio(STM32_LCD_RST);
stm32l4_configgpio(STM32_LCD_CD);
stm32l4_gpiowrite(STM32_LCD_RST, 1);
stm32l4_gpiowrite(STM32_LCD_CD, 1);
g_spidev = stm32l4_spibus_initialize(LCD_SPI_PORTNO);
if (!g_spidev)
{
lcderr("ERROR: Failed to initialize SPI port %d\n", LCD_SPI_PORTNO);
return -ENODEV;
}
stm32l4_gpiowrite(STM32_LCD_RST, 0);
up_mdelay(10);
stm32l4_gpiowrite(STM32_LCD_RST, 1);
return OK;
}
/****************************************************************************
* Name: board_lcd_getdev
****************************************************************************/
FAR struct lcd_dev_s *board_lcd_getdev(int lcddev)
{
g_lcddev = pcd8544_initialize(g_spidev, lcddev);
if (!g_lcddev)
{
lcderr("ERROR: Failed to bind SPI port 1 to LCD %d: %d\n", lcddev);
}
else
{
lcdinfo("SPI port 1 bound to LCD %d\n", lcddev);
/* And turn the LCD on (CONFIG_LCD_MAXPOWER should be 1) */
(void)g_lcddev->setpower(g_lcddev, CONFIG_LCD_MAXPOWER);
/* Set contrast to right value, otherwise background too dark */
(void)g_lcddev->setcontrast(g_lcddev, CONFIG_LCD_CONTRAST);
return g_lcddev;
}
return NULL;
}
/****************************************************************************
* Name: board_lcd_uninitialize
****************************************************************************/
void board_lcd_uninitialize(void)
{
/* TO-FIX */
}
#endif /* CONFIG_NX_LCDDRIVER */

29
configs/nucleo-l476rg/src/stm32_spi.c
View File

@ -76,8 +76,7 @@ struct spi_dev_s *g_spi2;
* Name: stm32l4_spiinitialize
*
* Description:
* Called to configure SPI chip select GPIO pins for the Nucleo-F401RE and
* Nucleo-F411RE boards.
* Called to configure SPI chip select GPIO pins for the Nucleo-L476RG board.
*
************************************************************************************/
@ -95,6 +94,10 @@ void weak_function stm32l4_spiinitialize(void)
#ifdef HAVE_MMCSD
stm32l4_configgpio(GPIO_SPI_CS_SD_CARD);
#endif
#ifdef CONFIG_LCD_PCD8544
(void)stm32l4_configgpio(STM32_LCD_CS); /* PCD8544 chip select */
#endif
#endif
#ifdef CONFIG_STM32L4_SPI2
@ -149,6 +152,13 @@ void stm32l4_spi1select(FAR struct spi_dev_s *dev, uint32_t devid, bool selected
stm32l4_gpiowrite(GPIO_SPI_CS_SD_CARD, !selected);
}
#endif
#ifdef CONFIG_LCD_PCD8544
if (devid == SPIDEV_DISPLAY(0))
{
stm32l4_gpiowrite(STM32_LCD_CS, !selected);
}
#endif
}
uint8_t stm32l4_spi1status(FAR struct spi_dev_s *dev, uint32_t devid)
@ -215,7 +225,20 @@ uint8_t stm32l4_spi3status(FAR struct spi_dev_s *dev, uint32_t devid)
#ifdef CONFIG_STM32L4_SPI1
int stm32l4_spi1cmddata(FAR struct spi_dev_s *dev, uint32_t devid, bool cmd)
{
return OK;
#ifdef CONFIG_LCD_PCD8544
if (devid == SPIDEV_DISPLAY(0))
{
/* This is the Data/Command control pad which determines whether the
* data bits are data or a command.
*/
(void)stm32l4_gpiowrite(STM32_LCD_CD, !cmd);
return OK;
}
#endif
return -ENODEV;
}
#endif