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stm32f4discovery: Add support to LCD1602

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This commit is contained in:
Alan C. Assis 2021-03-14 19:23:38 -03:00 committed by Xiang Xiao
parent 0fb2059fd9
commit 837fa3c0ac
2 changed files with 74 additions and 0 deletions
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59
boards/arm/stm32/stm32f4discovery/configs/lcd1602/defconfig Normal file
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@ -0,0 +1,59 @@
#
# This file is autogenerated: PLEASE DO NOT EDIT IT.
#
# You can use "make menuconfig" to make any modifications to the installed .config file.
# You can then do "make savedefconfig" to generate a new defconfig file that includes your
# modifications.
#
# CONFIG_ARCH_FPU is not set
# CONFIG_NSH_ARGCAT is not set
# CONFIG_NSH_CMDOPT_HEXDUMP is not set
# CONFIG_NSH_CMDPARMS is not set
CONFIG_ARCH="arm"
CONFIG_ARCH_BOARD="stm32f4discovery"
CONFIG_ARCH_BOARD_STM32F4_DISCOVERY=y
CONFIG_ARCH_BUTTONS=y
CONFIG_ARCH_CHIP="stm32"
CONFIG_ARCH_CHIP_STM32=y
CONFIG_ARCH_CHIP_STM32F407VG=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_BOARD_LATE_INITIALIZE=y
CONFIG_BOARD_LOOPSPERMSEC=16717
CONFIG_BUILTIN=y
CONFIG_EXAMPLES_HELLO=y
CONFIG_EXAMPLES_SLCD=y
CONFIG_FS_PROCFS=y
CONFIG_HAVE_CXX=y
CONFIG_HAVE_CXXINITIALIZE=y
CONFIG_I2C=y
CONFIG_INTELHEX_BINARY=y
CONFIG_LCD_BACKPACK=y
CONFIG_LCD_LCD1602=y
CONFIG_MAX_TASKS=16
CONFIG_MM_REGIONS=2
CONFIG_NFILE_DESCRIPTORS=8
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_FILEIOSIZE=512
CONFIG_NSH_LINELEN=64
CONFIG_NSH_READLINE=y
CONFIG_PREALLOC_TIMERS=4
CONFIG_RAM_SIZE=114688
CONFIG_RAM_START=0x20000000
CONFIG_RAW_BINARY=y
CONFIG_RR_INTERVAL=200
CONFIG_SCHED_WAITPID=y
CONFIG_SDCLONE_DISABLE=y
CONFIG_SLCD=y
CONFIG_START_DAY=6
CONFIG_START_MONTH=12
CONFIG_START_YEAR=2011
CONFIG_STM32_I2C1=y
CONFIG_STM32_JTAG_SW_ENABLE=y
CONFIG_STM32_PWR=y
CONFIG_STM32_SPI1=y
CONFIG_STM32_USART2=y
CONFIG_SYSTEM_NSH=y
CONFIG_USART2_RXBUFSIZE=128
CONFIG_USART2_SERIAL_CONSOLE=y
CONFIG_USART2_TXBUFSIZE=128
CONFIG_USER_ENTRYPOINT="nsh_main"

15
boards/arm/stm32/stm32f4discovery/src/stm32_bringup.c
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@ -111,6 +111,10 @@
#include "stm32_lis3dsh.h"
#endif
#ifdef CONFIG_LCD_BACKPACK
#include "stm32_lcd_backpack.h"
#endif
#ifdef CONFIG_SENSORS_MAX31855
#include "stm32_max31855.h"
#endif
@ -276,6 +280,17 @@ int stm32_bringup(void)
}
#endif
#ifdef CONFIG_LCD_BACKPACK
/* slcd:0, i2c:1, rows=2, cols=16 */
ret = board_lcd_backpack_init(0, 1, 2, 16);
if (ret < 0)
{
syslog(LOG_ERR, "Failed to initialize PCF8574 LCD, error %d\n", ret);
return ret;
}
#endif
#ifdef HAVE_SDIO
/* Initialize the SDIO block driver */