1
0
Fork 0

Adds support for STM32L412xB, STM32L422xB. (#13383)

* Adds support for STM32L412xB, STM32L422xB.

* Add to list of supported MCUs.

* Disable SPI1 by default.
This commit is contained in:
Nick Brassel 2021-06-30 10:07:40 +10:00 committed by GitHub
parent 8596504361
commit 8bb231aa1c
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
11 changed files with 467 additions and 3 deletions

View file

@ -13,7 +13,7 @@
},
"processor": {
"type": "string",
"enum": ["cortex-m0", "cortex-m0plus", "cortex-m3", "cortex-m4", "MKL26Z64", "MK20DX128", "MK20DX256", "MK66F18", "STM32F042", "STM32F072", "STM32F103", "STM32F303", "STM32F401", "STM32F411", "STM32F446", "STM32G431", "STM32G474", "STM32L433", "STM32L443", "atmega16u2", "atmega32u2", "atmega16u4", "atmega32u4", "at90usb162", "at90usb646", "at90usb647", "at90usb1286", "at90usb1287", "atmega32a", "atmega328p", "atmega328", "attiny85", "unknown"]
"enum": ["cortex-m0", "cortex-m0plus", "cortex-m3", "cortex-m4", "MKL26Z64", "MK20DX128", "MK20DX256", "MK66F18", "STM32F042", "STM32F072", "STM32F103", "STM32F303", "STM32F401", "STM32F411", "STM32F446", "STM32G431", "STM32G474", "STM32L412", "STM32L422", "STM32L433", "STM32L443", "atmega16u2", "atmega32u2", "atmega16u4", "atmega32u4", "at90usb162", "at90usb646", "at90usb647", "at90usb1286", "at90usb1287", "atmega32a", "atmega328p", "atmega328", "attiny85", "unknown"]
},
"board": {
"type": "string",

View file

@ -31,6 +31,8 @@ You can also use any ARM chip with USB that [ChibiOS](https://www.chibios.org) s
* [STM32F446](https://www.st.com/en/microcontrollers-microprocessors/stm32f446.html)
* [STM32G431](https://www.st.com/en/microcontrollers-microprocessors/stm32g4x1.html)
* [STM32G474](https://www.st.com/en/microcontrollers-microprocessors/stm32g4x4.html)
* [STM32L412](https://www.st.com/en/microcontrollers-microprocessors/stm32l4x2.html)
* [STM32L422](https://www.st.com/en/microcontrollers-microprocessors/stm32l4x2.html)
* [STM32L433](https://www.st.com/en/microcontrollers-microprocessors/stm32l4x3.html)
* [STM32L443](https://www.st.com/en/microcontrollers-microprocessors/stm32l4x3.html)

View file

@ -36,6 +36,8 @@ QMK は十分な容量のフラッシュメモリを備えた USB 対応 AVR ま
* [STM32F446](https://www.st.com/en/microcontrollers-microprocessors/stm32f446.html)
* [STM32G431](https://www.st.com/en/microcontrollers-microprocessors/stm32g4x1.html)
* [STM32G474](https://www.st.com/en/microcontrollers-microprocessors/stm32g4x4.html)
* [STM32L412](https://www.st.com/en/microcontrollers-microprocessors/stm32l4x2.html)
* [STM32L422](https://www.st.com/en/microcontrollers-microprocessors/stm32l4x2.html)
* [STM32L433](https://www.st.com/en/microcontrollers-microprocessors/stm32l4x3.html)
* [STM32L443](https://www.st.com/en/microcontrollers-microprocessors/stm32l4x3.html)

View file

@ -10,7 +10,7 @@ QMK_FIRMWARE = Path.cwd()
MAX_KEYBOARD_SUBFOLDERS = 5
# Supported processor types
CHIBIOS_PROCESSORS = 'cortex-m0', 'cortex-m0plus', 'cortex-m3', 'cortex-m4', 'MKL26Z64', 'MK20DX128', 'MK20DX256', 'MK66F18', 'STM32F042', 'STM32F072', 'STM32F103', 'STM32F303', 'STM32F401', 'STM32F411', 'STM32F446', 'STM32G431', 'STM32G474', 'STM32L433', 'STM32L443'
CHIBIOS_PROCESSORS = 'cortex-m0', 'cortex-m0plus', 'cortex-m3', 'cortex-m4', 'MKL26Z64', 'MK20DX128', 'MK20DX256', 'MK66F18', 'STM32F042', 'STM32F072', 'STM32F103', 'STM32F303', 'STM32F401', 'STM32F411', 'STM32F446', 'STM32G431', 'STM32G474', 'STM32L412', 'STM32L422', 'STM32L433', 'STM32L443'
LUFA_PROCESSORS = 'at90usb162', 'atmega16u2', 'atmega32u2', 'atmega16u4', 'atmega32u4', 'at90usb646', 'at90usb647', 'at90usb1286', 'at90usb1287', None
VUSB_PROCESSORS = 'atmega32a', 'atmega328p', 'atmega328', 'attiny85'

View file

@ -0,0 +1,9 @@
# List of all the board related files.
BOARDSRC = $(CHIBIOS)/os/hal/boards/ST_NUCLEO32_L432KC/board.c
# Required include directories
BOARDINC = $(CHIBIOS)/os/hal/boards/ST_NUCLEO32_L432KC
# Shared variables
ALLCSRC += $(BOARDSRC)
ALLINC += $(BOARDINC)

View file

@ -0,0 +1,24 @@
/* Copyright 2018-2021 Harrison Chan (@Xelus)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include_next "board.h"
#undef STM32L432xx
// Pretend that we're an L443xx as the ChibiOS definitions for L4x2/L4x3 mistakenly don't enable GPIOH, I2C2, or SPI2.
// Until ChibiOS upstream is fixed, this should be kept at L443, as nothing in QMK currently utilises the crypto peripheral on the L443.
#define STM32L443xx

View file

@ -0,0 +1,26 @@
/* Copyright 2018-2021 Harrison Chan (@Xelus)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* Address for jumping to bootloader on STM32 chips. */
/* It is chip dependent, the correct number can be looked up by checking against ST's application note AN2606.
*/
#define STM32_BOOTLOADER_ADDRESS 0x1FFF0000
#define PAL_STM32_OSPEED_HIGHEST PAL_STM32_OSPEED_HIGH
#ifndef EARLY_INIT_PERFORM_BOOTLOADER_JUMP
# define EARLY_INIT_PERFORM_BOOTLOADER_JUMP TRUE
#endif

View file

@ -0,0 +1,282 @@
/*
ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/*
* STM32L4xx drivers configuration.
* The following settings override the default settings present in
* the various device driver implementation headers.
* Note that the settings for each driver only have effect if the whole
* driver is enabled in halconf.h.
*
* IRQ priorities:
* 15...0 Lowest...Highest.
*
* DMA priorities:
* 0...3 Lowest...Highest.
*/
#ifndef MCUCONF_H
#define MCUCONF_H
#define STM32L4xx_MCUCONF
#define STM32L412_MCUCONF
#define STM32L422_MCUCONF
#define STM32L432_MCUCONF
#define STM32L433_MCUCONF
#define STM32L442_MCUCONF
#define STM32L443_MCUCONF
/*
* HAL driver system settings.
*/
#define STM32_NO_INIT FALSE
#define STM32_VOS STM32_VOS_RANGE1
#define STM32_PVD_ENABLE FALSE
#define STM32_PLS STM32_PLS_LEV0
#define STM32_HSI16_ENABLED TRUE
#define STM32_HSI48_ENABLED TRUE
#define STM32_LSI_ENABLED FALSE
#define STM32_HSE_ENABLED FALSE
#define STM32_LSE_ENABLED FALSE
#define STM32_MSIPLL_ENABLED FALSE
#define STM32_ADC_CLOCK_ENABLED TRUE
#define STM32_USB_CLOCK_ENABLED TRUE
#define STM32_SAI1_CLOCK_ENABLED TRUE
#define STM32_SAI2_CLOCK_ENABLED TRUE
#define STM32_MSIRANGE STM32_MSIRANGE_4M
#define STM32_MSISRANGE STM32_MSISRANGE_4M
#define STM32_SW STM32_SW_PLL
#define STM32_PLLSRC STM32_PLLSRC_HSI16
#define STM32_PLLM_VALUE 4
#define STM32_PLLN_VALUE 80
#define STM32_PLLP_VALUE 7
#define STM32_PLLQ_VALUE 4
#define STM32_PLLR_VALUE 4
#define STM32_HPRE STM32_HPRE_DIV1
#define STM32_PPRE1 STM32_PPRE1_DIV1
#define STM32_PPRE2 STM32_PPRE2_DIV1
#define STM32_STOPWUCK STM32_STOPWUCK_MSI
#define STM32_MCOSEL STM32_MCOSEL_NOCLOCK
#define STM32_MCOPRE STM32_MCOPRE_DIV1
#define STM32_LSCOSEL STM32_LSCOSEL_NOCLOCK
#define STM32_PLLSAI1N_VALUE 72
#define STM32_PLLSAI1P_VALUE 7
#define STM32_PLLSAI1Q_VALUE 6
#define STM32_PLLSAI1R_VALUE 6
#define STM32_PLLSAI2N_VALUE 72
#define STM32_PLLSAI2P_VALUE 7
#define STM32_PLLSAI2R_VALUE 6
/*
* Peripherals clock sources.
*/
#define STM32_USART1SEL STM32_USART1SEL_SYSCLK
#define STM32_USART2SEL STM32_USART2SEL_SYSCLK
#define STM32_USART3SEL STM32_USART3SEL_SYSCLK
#define STM32_UART4SEL STM32_UART4SEL_SYSCLK
#define STM32_UART5SEL STM32_UART5SEL_SYSCLK
#define STM32_LPUART1SEL STM32_LPUART1SEL_SYSCLK
#define STM32_I2C1SEL STM32_I2C1SEL_SYSCLK
#define STM32_I2C2SEL STM32_I2C2SEL_SYSCLK
#define STM32_I2C3SEL STM32_I2C3SEL_SYSCLK
#define STM32_LPTIM1SEL STM32_LPTIM1SEL_PCLK1
#define STM32_LPTIM2SEL STM32_LPTIM2SEL_PCLK1
#define STM32_SAI1SEL STM32_SAI1SEL_OFF
#define STM32_SAI2SEL STM32_SAI2SEL_OFF
#define STM32_CLK48SEL STM32_CLK48SEL_HSI48
#define STM32_ADCSEL STM32_ADCSEL_SYSCLK
#define STM32_SWPMI1SEL STM32_SWPMI1SEL_PCLK1
#define STM32_RTCSEL STM32_RTCSEL_LSI
/*
* IRQ system settings.
*/
#define STM32_IRQ_EXTI0_PRIORITY 6
#define STM32_IRQ_EXTI1_PRIORITY 6
#define STM32_IRQ_EXTI2_PRIORITY 6
#define STM32_IRQ_EXTI3_PRIORITY 6
#define STM32_IRQ_EXTI4_PRIORITY 6
#define STM32_IRQ_EXTI5_9_PRIORITY 6
#define STM32_IRQ_EXTI10_15_PRIORITY 6
#define STM32_IRQ_EXTI1635_38_PRIORITY 6
#define STM32_IRQ_EXTI18_PRIORITY 6
#define STM32_IRQ_EXTI19_PRIORITY 6
#define STM32_IRQ_EXTI20_PRIORITY 6
#define STM32_IRQ_EXTI21_22_PRIORITY 15
#define STM32_IRQ_TIM1_BRK_TIM15_PRIORITY 7
#define STM32_IRQ_TIM1_UP_TIM16_PRIORITY 7
#define STM32_IRQ_TIM1_TRGCO_TIM17_PRIORITY 7
#define STM32_IRQ_TIM1_CC_PRIORITY 7
#define STM32_IRQ_TIM2_PRIORITY 7
#define STM32_IRQ_TIM6_PRIORITY 7
#define STM32_IRQ_TIM7_PRIORITY 7
#define STM32_IRQ_USART1_PRIORITY 12
#define STM32_IRQ_USART2_PRIORITY 12
#define STM32_IRQ_USART3_PRIORITY 12
#define STM32_IRQ_LPUART1_PRIORITY 12
/*
* ADC driver system settings.
*/
#define STM32_ADC_COMPACT_SAMPLES FALSE
#define STM32_ADC_USE_ADC1 FALSE
#define STM32_ADC_ADC1_DMA_STREAM STM32_DMA_STREAM_ID(1, 1)
#define STM32_ADC_ADC1_DMA_PRIORITY 2
#define STM32_ADC_ADC12_IRQ_PRIORITY 5
#define STM32_ADC_ADC1_DMA_IRQ_PRIORITY 5
#define STM32_ADC_ADC123_CLOCK_MODE ADC_CCR_CKMODE_AHB_DIV1
#define STM32_ADC_ADC123_PRESC ADC_CCR_PRESC_DIV2
/*
* CAN driver system settings.
*/
#define STM32_CAN_USE_CAN1 FALSE
#define STM32_CAN_CAN1_IRQ_PRIORITY 11
/*
* DAC driver system settings.
*/
#define STM32_DAC_DUAL_MODE FALSE
#define STM32_DAC_USE_DAC1_CH1 FALSE
#define STM32_DAC_USE_DAC1_CH2 FALSE
#define STM32_DAC_DAC1_CH1_IRQ_PRIORITY 10
#define STM32_DAC_DAC1_CH2_IRQ_PRIORITY 10
#define STM32_DAC_DAC1_CH1_DMA_PRIORITY 2
#define STM32_DAC_DAC1_CH2_DMA_PRIORITY 2
#define STM32_DAC_DAC1_CH1_DMA_STREAM STM32_DMA_STREAM_ID(2, 4)
#define STM32_DAC_DAC1_CH2_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
/*
* GPT driver system settings.
*/
#define STM32_GPT_USE_TIM1 FALSE
#define STM32_GPT_USE_TIM2 FALSE
#define STM32_GPT_USE_TIM6 FALSE
#define STM32_GPT_USE_TIM7 FALSE
#define STM32_GPT_USE_TIM15 FALSE
#define STM32_GPT_USE_TIM16 FALSE
/*
* I2C driver system settings.
*/
#define STM32_I2C_USE_I2C1 FALSE
#define STM32_I2C_USE_I2C3 FALSE
#define STM32_I2C_BUSY_TIMEOUT 50
#define STM32_I2C_I2C1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
#define STM32_I2C_I2C1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
#define STM32_I2C_I2C3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
#define STM32_I2C_I2C3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
#define STM32_I2C_I2C1_IRQ_PRIORITY 5
#define STM32_I2C_I2C3_IRQ_PRIORITY 5
#define STM32_I2C_I2C1_DMA_PRIORITY 3
#define STM32_I2C_I2C3_DMA_PRIORITY 3
#define STM32_I2C_DMA_ERROR_HOOK(i2cp) osalSysHalt("DMA failure")
/*
* ICU driver system settings.
*/
#define STM32_ICU_USE_TIM1 FALSE
#define STM32_ICU_USE_TIM2 FALSE
#define STM32_ICU_USE_TIM15 FALSE
#define STM32_ICU_USE_TIM16 FALSE
/*
* PWM driver system settings.
*/
#define STM32_PWM_USE_ADVANCED FALSE
#define STM32_PWM_USE_TIM1 FALSE
#define STM32_PWM_USE_TIM2 FALSE
#define STM32_PWM_USE_TIM15 FALSE
#define STM32_PWM_USE_TIM16 FALSE
/*
* RTC driver system settings.
*/
#define STM32_RTC_PRESA_VALUE 32
#define STM32_RTC_PRESS_VALUE 1024
#define STM32_RTC_CR_INIT 0
#define STM32_RTC_TAMPCR_INIT 0
/*
* SERIAL driver system settings.
*/
#define STM32_SERIAL_USE_USART1 FALSE
#define STM32_SERIAL_USE_USART2 FALSE
#define STM32_SERIAL_USE_LPUART1 FALSE
#define STM32_SERIAL_USART1_PRIORITY 12
#define STM32_SERIAL_USART2_PRIORITY 12
#define STM32_SERIAL_LPUART1_PRIORITY 12
/*
* SPI driver system settings.
*/
#define STM32_SPI_USE_SPI1 FALSE
#define STM32_SPI_USE_SPI3 FALSE
#define STM32_SPI_SPI1_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 3)
#define STM32_SPI_SPI1_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 4)
#define STM32_SPI_SPI3_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 1)
#define STM32_SPI_SPI3_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 2)
#define STM32_SPI_SPI1_DMA_PRIORITY 1
#define STM32_SPI_SPI3_DMA_PRIORITY 1
#define STM32_SPI_SPI1_IRQ_PRIORITY 10
#define STM32_SPI_SPI3_IRQ_PRIORITY 10
#define STM32_SPI_DMA_ERROR_HOOK(spip) osalSysHalt("DMA failure")
/*
* ST driver system settings.
*/
#define STM32_ST_IRQ_PRIORITY 8
#define STM32_ST_USE_TIMER 2
/*
* TRNG driver system settings.
*/
#define STM32_TRNG_USE_RNG1 FALSE
/*
* UART driver system settings.
*/
#define STM32_UART_USE_USART1 FALSE
#define STM32_UART_USE_USART2 FALSE
#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 7)
#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 6)
#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
#define STM32_UART_DMA_ERROR_HOOK(uartp) osalSysHalt("DMA failure")
/*
* USB driver system settings.
*/
#define STM32_USB_USE_USB1 TRUE
#define STM32_USB_LOW_POWER_ON_SUSPEND FALSE
#define STM32_USB_USB1_HP_IRQ_PRIORITY 13
#define STM32_USB_USB1_LP_IRQ_PRIORITY 14
/*
* WDG driver system settings.
*/
#define STM32_WDG_USE_IWDG FALSE
/*
* WSPI driver system settings.
*/
#define STM32_WSPI_USE_QUADSPI1 FALSE
#define STM32_WSPI_QUADSPI1_DMA_STREAM STM32_DMA_STREAM_ID(2, 7)
#define STM32_WSPI_QUADSPI1_PRESCALER_VALUE 1
#endif /* MCUCONF_H */

View file

@ -19,6 +19,6 @@
#undef STM32L432xx
// Pretend that we're an L443xx as the ChibiOS definitions for L432/L433 mistakenly don't enable GPIOH, I2C2, or SPI2.
// Pretend that we're an L443xx as the ChibiOS definitions for L4x2/L4x3 mistakenly don't enable GPIOH, I2C2, or SPI2.
// Until ChibiOS upstream is fixed, this should be kept at L443, as nothing in QMK currently utilises the crypto peripheral on the L443.
#define STM32L443xx

View file

@ -0,0 +1,85 @@
/*
ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/*
* STM32L412xB memory setup.
*/
MEMORY
{
flash0 : org = 0x08000000, len = 128k
flash1 : org = 0x00000000, len = 0
flash2 : org = 0x00000000, len = 0
flash3 : org = 0x00000000, len = 0
flash4 : org = 0x00000000, len = 0
flash5 : org = 0x00000000, len = 0
flash6 : org = 0x00000000, len = 0
flash7 : org = 0x00000000, len = 0
ram0 : org = 0x20000000, len = 32k
ram1 : org = 0x00000000, len = 0
ram2 : org = 0x00000000, len = 0
ram3 : org = 0x00000000, len = 0
ram4 : org = 0x00000000, len = 0
ram5 : org = 0x00000000, len = 0
ram6 : org = 0x00000000, len = 0
ram7 : org = 0x00000000, len = 0
}
/* For each data/text section two region are defined, a virtual region
and a load region (_LMA suffix).*/
/* Flash region to be used for exception vectors.*/
REGION_ALIAS("VECTORS_FLASH", flash0);
REGION_ALIAS("VECTORS_FLASH_LMA", flash0);
/* Flash region to be used for constructors and destructors.*/
REGION_ALIAS("XTORS_FLASH", flash0);
REGION_ALIAS("XTORS_FLASH_LMA", flash0);
/* Flash region to be used for code text.*/
REGION_ALIAS("TEXT_FLASH", flash0);
REGION_ALIAS("TEXT_FLASH_LMA", flash0);
/* Flash region to be used for read only data.*/
REGION_ALIAS("RODATA_FLASH", flash0);
REGION_ALIAS("RODATA_FLASH_LMA", flash0);
/* Flash region to be used for various.*/
REGION_ALIAS("VARIOUS_FLASH", flash0);
REGION_ALIAS("VARIOUS_FLASH_LMA", flash0);
/* Flash region to be used for RAM(n) initialization data.*/
REGION_ALIAS("RAM_INIT_FLASH_LMA", flash0);
/* RAM region to be used for Main stack. This stack accommodates the processing
of all exceptions and interrupts.*/
REGION_ALIAS("MAIN_STACK_RAM", ram0);
/* RAM region to be used for the process stack. This is the stack used by
the main() function.*/
REGION_ALIAS("PROCESS_STACK_RAM", ram0);
/* RAM region to be used for data segment.*/
REGION_ALIAS("DATA_RAM", ram0);
REGION_ALIAS("DATA_RAM_LMA", flash0);
/* RAM region to be used for BSS segment.*/
REGION_ALIAS("BSS_RAM", ram0);
/* RAM region to be used for the default heap.*/
REGION_ALIAS("HEAP_RAM", ram0);
/* Generic rules inclusion.*/
INCLUDE rules.ld

View file

@ -433,6 +433,40 @@ ifneq (,$(filter $(MCU),STM32L433 STM32L443))
UF2_FAMILY ?= STM32L4
endif
ifneq (,$(filter $(MCU),STM32L412 STM32L422))
# Cortex version
MCU = cortex-m4
# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
ARMV = 7
## chip/board settings
# - the next two should match the directories in
# <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
MCU_FAMILY = STM32
MCU_SERIES = STM32L4xx
# Linker script to use
# - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
# or <keyboard_dir>/ld/
MCU_LDSCRIPT ?= STM32L412xB
# Startup code to use
# - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
MCU_STARTUP ?= stm32l4xx
# Board: it should exist either in <chibios>/os/hal/boards/,
# <keyboard_dir>/boards/, or drivers/boards/
BOARD ?= GENERIC_STM32_L412XB
PLATFORM_NAME ?= platform_l432
USE_FPU ?= yes
# UF2 settings
UF2_FAMILY ?= STM32L4
endif
ifneq (,$(filter $(MCU),at90usb162 atmega16u2 atmega32u2 atmega16u4 atmega32u4 at90usb646 at90usb647 at90usb1286 at90usb1287))
PROTOCOL = LUFA