# Zephyr Kernel Configuration
CONFIG_ARM=y
CONFIG_ARCH="arm"
CONFIG_SOC="stm32f334x8"
CONFIG_SOC_SERIES="stm32f3"
CONFIG_SOC_FAMILY="st_stm32"
CONFIG_BOARD="nucleo_f334r8"
CONFIG_SOC_SERIES_STM32F3X=y

# Platform Configuration
CONFIG_SOC_FAMILY_STM32=y
CONFIG_SOC_STM32F334X8=y
CONFIG_BOARD_NUCLEO_F334R8=y

# General Kernel Options
CONFIG_CORTEX_M_SYSTICK=y
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=72000000

# Serial Drivers
CONFIG_SERIAL=y
CONFIG_SERIAL_HAS_DRIVER=y
CONFIG_UART_INTERRUPT_DRIVEN=y
CONFIG_UART_STM32=y
# enable USART2 - passthrough to STLINK v2 connector
CONFIG_UART_STM32_PORT_2=y
# enable console on this port by default
CONFIG_CONSOLE=y
CONFIG_UART_CONSOLE=y
CONFIG_UART_CONSOLE_ON_DEV_NAME="UART_2"

# Pinmux Driver
CONFIG_PINMUX=y
CONFIG_PINMUX_STM32=y

# GPIO Controller
CONFIG_GPIO=y
CONFIG_GPIO_STM32=y
CONFIG_GPIO_STM32_PORTA=y
CONFIG_GPIO_STM32_PORTB=y
CONFIG_GPIO_STM32_PORTC=y

# Clock configuration
CONFIG_CLOCK_CONTROL=y
# SYSCLK selection
CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y
# HSE configuration
CONFIG_CLOCK_STM32_HSE_CLOCK=8000000
# PLL configuration
CONFIG_CLOCK_STM32_PLL_SRC_HSE=y
# produce 72MHz clock at PLL output
CONFIG_CLOCK_STM32_PLL_PREDIV=1
CONFIG_CLOCK_STM32_PLL_MULTIPLIER=9
CONFIG_CLOCK_STM32_AHB_PRESCALER=1
CONFIG_CLOCK_STM32_APB1_PRESCALER=2
CONFIG_CLOCK_STM32_APB2_PRESCALER=1