54 lines
1.3 KiB
Plaintext
54 lines
1.3 KiB
Plaintext
# SPDX-License-Identifier: Apache-2.0
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# Zephyr Kernel Configuration
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CONFIG_ARM=y
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CONFIG_SOC_SERIES_STM32L0X=y
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# Platform Configuration
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CONFIG_SOC_FAMILY_STM32=y
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CONFIG_SOC_STM32L053XX=y
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CONFIG_BOARD_NUCLEO_L053R8=y
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# General Kernel Options
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CONFIG_CORTEX_M_SYSTICK=y
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CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=32000000
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# Kernel Options due to Low Memory (8k)
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CONFIG_MAIN_STACK_SIZE=640
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CONFIG_IDLE_STACK_SIZE=200
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CONFIG_ISR_STACK_SIZE=512
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# Prevent Interrupt Vector Table in RAM
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CONFIG_IS_BOOTLOADER=y
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CONFIG_BOOTLOADER_SRAM_SIZE=8
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# Serial Drivers
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CONFIG_SERIAL=y
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CONFIG_UART_INTERRUPT_DRIVEN=y
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# enable console
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CONFIG_CONSOLE=y
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CONFIG_UART_CONSOLE=y
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# Pinmux Driver
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CONFIG_PINMUX=y
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# GPIO Controller
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CONFIG_GPIO=y
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# Clock configuration
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CONFIG_CLOCK_CONTROL=y
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# SYSCLK selection
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CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y
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# HSE configuration
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CONFIG_CLOCK_STM32_HSE_CLOCK=8000000
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# however, the board does not have an external oscillator, so just use
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# the 8MHz clock signal coming from integrated STLink
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CONFIG_CLOCK_STM32_HSE_BYPASS=y
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# PLL configuration
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CONFIG_CLOCK_STM32_PLL_SRC_HSE=y
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# produce 32MHz clock at PLL output
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CONFIG_CLOCK_STM32_PLL_MULTIPLIER=8
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CONFIG_CLOCK_STM32_PLL_DIVISOR=2
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CONFIG_CLOCK_STM32_AHB_PRESCALER=1
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CONFIG_CLOCK_STM32_APB1_PRESCALER=1
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CONFIG_CLOCK_STM32_APB2_PRESCALER=1
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