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CONFIG_ARM=y
CONFIG_BOARD_DISCO_L475_IOT1=y
CONFIG_SOC_FAMILY_STM32=y
CONFIG_SOC_SERIES_STM32L4X=y
CONFIG_SOC_STM32L475XG=y
CONFIG_CORTEX_M_SYSTICK=y
# 80MHz system clock
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=80000000
#enable DTS
CONFIG_HAS_DTS=y
# enable uart driver
CONFIG_SERIAL=y
CONFIG_UART_STM32=y
# enable pinmux
CONFIG_PINMUX=y
CONFIG_PINMUX_STM32=y
# enable GPIOs
CONFIG_GPIO=y
CONFIG_GPIO_STM32=y
# clock configuration
CONFIG_CLOCK_CONTROL=y
CONFIG_CLOCK_CONTROL_STM32_CUBE=y
# SYSCLK selection
CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y
# PLL configuration
CONFIG_CLOCK_STM32_PLL_SRC_HSI=y
# produce 80MHz clock at PLL output
CONFIG_CLOCK_STM32_PLL_M_DIVISOR=1
CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=20
CONFIG_CLOCK_STM32_PLL_P_DIVISOR=7
CONFIG_CLOCK_STM32_PLL_Q_DIVISOR=2
CONFIG_CLOCK_STM32_PLL_R_DIVISOR=4
CONFIG_CLOCK_STM32_AHB_PRESCALER=1
CONFIG_CLOCK_STM32_APB1_PRESCALER=1
CONFIG_CLOCK_STM32_APB2_PRESCALER=1
# console
CONFIG_CONSOLE=y
CONFIG_UART_CONSOLE=y
CONFIG_UART_CONSOLE_ON_DEV_NAME="UART_1"
#enable pwm
CONFIG_PWM=y
CONFIG_PWM_STM32=y
#enable I2C
CONFIG_I2C=y
CONFIG_I2C_STM32LX=y
#configure HTS221 sensor
CONFIG_HTS221_I2C_MASTER_DEV_NAME="I2C_2"
CONFIG_HTS221_TRIGGER_NONE=y
CONFIG_HTS221_I2C_ADDR=0x5F
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