diff options
-rw-r--r-- | builddefs/common_features.mk | 2 | ||||
-rw-r--r-- | data/mappings/defaults.json | 6 | ||||
-rw-r--r-- | docs/feature_converters.md | 22 | ||||
-rw-r--r-- | platforms/chibios/boards/STEMCELL/board/board.mk | 15 | ||||
-rw-r--r-- | platforms/chibios/boards/STEMCELL/configs/board.h | 8 | ||||
-rw-r--r-- | platforms/chibios/boards/STEMCELL/configs/chconf.h | 9 | ||||
-rw-r--r-- | platforms/chibios/boards/STEMCELL/configs/config.h | 29 | ||||
-rw-r--r-- | platforms/chibios/boards/STEMCELL/configs/halconf.h | 11 | ||||
-rw-r--r-- | platforms/chibios/boards/STEMCELL/configs/mcuconf.h | 231 | ||||
-rw-r--r-- | platforms/chibios/converters/promicro_to_stemcell/_pin_defs.h | 57 | ||||
-rw-r--r-- | platforms/chibios/converters/promicro_to_stemcell/converter.mk | 22 |
11 files changed, 411 insertions, 1 deletions
diff --git a/builddefs/common_features.mk b/builddefs/common_features.mk index a23b5e82b9..3d416773f7 100644 --- a/builddefs/common_features.mk +++ b/builddefs/common_features.mk @@ -212,7 +212,7 @@ else ifeq ($(PLATFORM),AVR) # Automatically provided by avr-libc, nothing required else ifeq ($(PLATFORM),CHIBIOS) - ifneq ($(filter STM32F3xx_% STM32F1xx_% %_STM32F401xC %_STM32F401xE %_STM32F405xG %_STM32F411xE %_STM32F072xB %_STM32F042x6 %_GD32VF103xB %_GD32VF103x8, $(MCU_SERIES)_$(MCU_LDSCRIPT)),) + ifneq ($(filter STM32F3xx_% STM32F1xx_% STM32F4xx_% %_STM32F401xC %_STM32F401xE %_STM32F405xG %_STM32F411xE %_STM32F072xB %_STM32F042x6 %_GD32VF103xB %_GD32VF103x8, $(MCU_SERIES)_$(MCU_LDSCRIPT)),) # Emulated EEPROM OPT_DEFS += -DEEPROM_DRIVER -DEEPROM_STM32_FLASH_EMULATED COMMON_VPATH += $(PLATFORM_PATH)/$(PLATFORM_KEY)/$(DRIVER_DIR)/flash diff --git a/data/mappings/defaults.json b/data/mappings/defaults.json index 5e25405c37..2c9fb317c9 100644 --- a/data/mappings/defaults.json +++ b/data/mappings/defaults.json @@ -54,6 +54,12 @@ "processor": "STM32F411", "bootloader": "stm32-dfu", "board": "BLACKPILL_STM32_F411" + }, + "stemcell": { + "processor": "STM32F411", + "bootloader": "tinyuf2", + "board": "STEMCELL", + "pin_compatible": "promicro" } } } diff --git a/docs/feature_converters.md b/docs/feature_converters.md index 569cf0f17d..936ab44559 100644 --- a/docs/feature_converters.md +++ b/docs/feature_converters.md @@ -15,6 +15,7 @@ Currently the following converters are available: | `promicro` | `promicro_rp2040` | | `promicro` | `blok` | | `promicro` | `bit_c_pro` | +| `promicro` | `stemcell` | See below for more in depth information on each converter. @@ -56,6 +57,7 @@ If a board currently supported in QMK uses a [Pro Micro](https://www.sparkfun.co | [SparkFun Pro Micro - RP2040](https://www.sparkfun.com/products/18288) | `promicro_rp2040` | | [Blok](https://boardsource.xyz/store/628b95b494dfa308a6581622) | `blok` | | [Bit-C PRO](https://nullbits.co/bit-c-pro) | `bit_c_pro` | +| [STeMCell](https://github.com/megamind4089/STeMCell) | `stemcell` | Converter summary: @@ -66,6 +68,7 @@ Converter summary: | `promicro_rp2040` | `-e CONVERT_TO=promicro_rp2040` | `CONVERT_TO=promicro_rp2040` | `#ifdef CONVERT_TO_PROMICRO_RP2040` | | `blok` | `-e CONVERT_TO=blok` | `CONVERT_TO=blok` | `#ifdef CONVERT_TO_BLOK` | | `bit_c_pro` | `-e CONVERT_TO=bit_c_pro` | `CONVERT_TO=bit_c_pro` | `#ifdef CONVERT_TO_BIT_C_PRO` | +| `stemcell` | `-e CONVERT_TO=stemcell` | `CONVERT_TO=stemcell` | `#ifdef CONVERT_TO_STEMCELL` | ### Proton C :id=proton_c @@ -99,3 +102,22 @@ The following defaults are based on what has been implemented for [RP2040](platf ### SparkFun Pro Micro - RP2040, Blok, and Bit-C PRO :id=promicro_rp2040 Currently identical to [Adafruit KB2040](#kb2040). + +### STeMCell :id=stemcell + +Feature set currently identical to [Proton C](#proton_c). +There are two versions of STeMCell available, with different pinouts: + - v1.0.0 + - v2.0.0 (pre-release v1.0.1, v1.0.2) +Default official firmware only supports v2.0.0 STeMCell. + +STeMCell has support to swap UART and I2C pins, to enable single-wire uart communication in STM chips. + +The following additional flags has to be used while compiling, based on the pin used for split communication. + +| Split Pin | Compile flags | +|-----------|---------------| +| D3 | -e STMC_US=yes| +| D2 | Not needed | +| D1 | -e STMC_IS=yes| +| D0 | Not needed | diff --git a/platforms/chibios/boards/STEMCELL/board/board.mk b/platforms/chibios/boards/STEMCELL/board/board.mk new file mode 100644 index 0000000000..b0d1c3c404 --- /dev/null +++ b/platforms/chibios/boards/STEMCELL/board/board.mk @@ -0,0 +1,15 @@ +# Copyright 2022 Mega Mind (@megamind4089) +# SPDX-License-Identifier: GPL-2.0-or-later + +# Default pin config of nucleo64_411re has most pins in input pull up mode + +# List of all the board related files. +BOARDSRC = $(CHIBIOS)/os/hal/boards/ST_NUCLEO64_F411RE/board.c + +# Required include directories +BOARDINC = $(CHIBIOS)/os/hal/boards/ST_NUCLEO64_F411RE + + +# Shared variables +ALLCSRC += $(BOARDSRC) +ALLINC += $(BOARDINC) diff --git a/platforms/chibios/boards/STEMCELL/configs/board.h b/platforms/chibios/boards/STEMCELL/configs/board.h new file mode 100644 index 0000000000..39cf79ab09 --- /dev/null +++ b/platforms/chibios/boards/STEMCELL/configs/board.h @@ -0,0 +1,8 @@ +// Copyright 2022 Mega Mind (@megamind4089) +// SPDX-License-Identifier: GPL-2.0-or-later + +#pragma once + +#include_next "board.h" + +#undef STM32_HSE_BYPASS diff --git a/platforms/chibios/boards/STEMCELL/configs/chconf.h b/platforms/chibios/boards/STEMCELL/configs/chconf.h new file mode 100644 index 0000000000..d25bea0d17 --- /dev/null +++ b/platforms/chibios/boards/STEMCELL/configs/chconf.h @@ -0,0 +1,9 @@ +// Copyright 2022 Mega Mind (@megamind4089) +// SPDX-License-Identifier: GPL-2.0-or-later + +#pragma once + +#define CH_CFG_ST_RESOLUTION 16 +#define CH_CFG_ST_FREQUENCY 10000 + +#include_next <chconf.h> diff --git a/platforms/chibios/boards/STEMCELL/configs/config.h b/platforms/chibios/boards/STEMCELL/configs/config.h new file mode 100644 index 0000000000..82f6c63636 --- /dev/null +++ b/platforms/chibios/boards/STEMCELL/configs/config.h @@ -0,0 +1,29 @@ +// Copyright 2022 Mega Mind(@megamind4089) +// SPDX-License-Identifier: GPL-2.0-or-later + +#pragma once + +#ifndef EARLY_INIT_PERFORM_BOOTLOADER_JUMP +# define EARLY_INIT_PERFORM_BOOTLOADER_JUMP TRUE +#endif + +/**====================== + ** I2C Driver + *========================**/ + +#if !defined(I2C1_SDA_PIN) +# define I2C1_SDA_PIN D0 +#endif + +#if !defined(I2C1_SCL_PIN) +# define I2C1_SCL_PIN D1 +#endif + +/**====================== + ** SERIAL Driver + *========================**/ + +#if !defined(SERIAL_USART_DRIVER) +# define SERIAL_USART_DRIVER SD2 +#endif + diff --git a/platforms/chibios/boards/STEMCELL/configs/halconf.h b/platforms/chibios/boards/STEMCELL/configs/halconf.h new file mode 100644 index 0000000000..f38949e626 --- /dev/null +++ b/platforms/chibios/boards/STEMCELL/configs/halconf.h @@ -0,0 +1,11 @@ +// Copyright 2022 Mega Mind (@megamind4089) +// SPDX-License-Identifier: GPL-2.0-or-later + +#pragma once + +#define PAL_USE_WAIT TRUE +#define PAL_USE_CALLBACKS TRUE +#define HAL_USE_I2C TRUE +#define HAL_USE_SERIAL TRUE + +#include_next <halconf.h> diff --git a/platforms/chibios/boards/STEMCELL/configs/mcuconf.h b/platforms/chibios/boards/STEMCELL/configs/mcuconf.h new file mode 100644 index 0000000000..621d3fcace --- /dev/null +++ b/platforms/chibios/boards/STEMCELL/configs/mcuconf.h @@ -0,0 +1,231 @@ +// Copyright 2022 Mega Mind (@megamind4089) +// SPDX-License-Identifier: GPL-2.0-or-later + +#ifndef MCUCONF_H +#define MCUCONF_H + +/* + * STM32F4xx 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. + */ + +#define STM32F4xx_MCUCONF +#define STM32F411_MCUCONF + +/* + * HAL driver system settings. + */ +#define STM32_NO_INIT FALSE +#define STM32_PVD_ENABLE FALSE +#define STM32_PLS STM32_PLS_LEV0 +#define STM32_BKPRAM_ENABLE FALSE +#define STM32_HSI_ENABLED TRUE +#define STM32_LSI_ENABLED TRUE +#define STM32_HSE_ENABLED TRUE +#define STM32_LSE_ENABLED FALSE +#define STM32_CLOCK48_REQUIRED TRUE +#define STM32_SW STM32_SW_PLL +#define STM32_PLLSRC STM32_PLLSRC_HSE +#define STM32_PLLM_VALUE 8 +#define STM32_PLLN_VALUE 336 +#define STM32_PLLP_VALUE 4 +#define STM32_PLLQ_VALUE 7 +#define STM32_HPRE STM32_HPRE_DIV1 +#define STM32_PPRE1 STM32_PPRE1_DIV2 +#define STM32_PPRE2 STM32_PPRE2_DIV1 +#define STM32_RTCSEL STM32_RTCSEL_LSI +#define STM32_RTCPRE_VALUE 8 +#define STM32_MCO1SEL STM32_MCO1SEL_HSI +#define STM32_MCO1PRE STM32_MCO1PRE_DIV1 +#define STM32_MCO2SEL STM32_MCO2SEL_SYSCLK +#define STM32_MCO2PRE STM32_MCO2PRE_DIV5 +#define STM32_I2SSRC STM32_I2SSRC_CKIN +#define STM32_PLLI2SN_VALUE 192 +#define STM32_PLLI2SR_VALUE 5 + +/* + * 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_EXTI16_PRIORITY 6 +#define STM32_IRQ_EXTI17_PRIORITY 15 +#define STM32_IRQ_EXTI18_PRIORITY 6 +#define STM32_IRQ_EXTI19_PRIORITY 6 +#define STM32_IRQ_EXTI20_PRIORITY 6 +#define STM32_IRQ_EXTI21_PRIORITY 15 +#define STM32_IRQ_EXTI22_PRIORITY 15 + +#define STM32_IRQ_TIM1_BRK_TIM9_PRIORITY 7 +#define STM32_IRQ_TIM1_UP_TIM10_PRIORITY 7 +#define STM32_IRQ_TIM1_TRGCO_TIM11_PRIORITY 7 +#define STM32_IRQ_TIM1_CC_PRIORITY 7 +#define STM32_IRQ_TIM2_PRIORITY 7 +#define STM32_IRQ_TIM3_PRIORITY 7 +#define STM32_IRQ_TIM4_PRIORITY 7 +#define STM32_IRQ_TIM5_PRIORITY 7 + +#define STM32_IRQ_USART1_PRIORITY 12 +#define STM32_IRQ_USART2_PRIORITY 12 +#define STM32_IRQ_USART6_PRIORITY 12 + +/* + * ADC driver system settings. + */ +#define STM32_ADC_ADCPRE ADC_CCR_ADCPRE_DIV4 +#define STM32_ADC_USE_ADC1 FALSE +#define STM32_ADC_ADC1_DMA_STREAM STM32_DMA_STREAM_ID(2, 4) +#define STM32_ADC_ADC1_DMA_PRIORITY 2 +#define STM32_ADC_IRQ_PRIORITY 6 +#define STM32_ADC_ADC1_DMA_IRQ_PRIORITY 6 + +/* + * GPT driver system settings. + */ +#define STM32_GPT_USE_TIM1 FALSE +#define STM32_GPT_USE_TIM2 FALSE +#define STM32_GPT_USE_TIM3 FALSE +#define STM32_GPT_USE_TIM4 FALSE +#define STM32_GPT_USE_TIM5 FALSE +#define STM32_GPT_USE_TIM9 FALSE +#define STM32_GPT_USE_TIM10 FALSE +#define STM32_GPT_USE_TIM11 FALSE + +/* + * I2C driver system settings. + */ +#define STM32_I2C_USE_I2C1 TRUE +#define STM32_I2C_USE_I2C2 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, 0) +#define STM32_I2C_I2C1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6) +#define STM32_I2C_I2C2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2) +#define STM32_I2C_I2C2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7) +#define STM32_I2C_I2C3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2) +#define STM32_I2C_I2C3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4) +#define STM32_I2C_I2C1_IRQ_PRIORITY 5 +#define STM32_I2C_I2C2_IRQ_PRIORITY 5 +#define STM32_I2C_I2C3_IRQ_PRIORITY 5 +#define STM32_I2C_I2C1_DMA_PRIORITY 3 +#define STM32_I2C_I2C2_DMA_PRIORITY 3 +#define STM32_I2C_I2C3_DMA_PRIORITY 3 +#define STM32_I2C_DMA_ERROR_HOOK(i2cp) osalSysHalt("DMA failure") + +/* + * I2S driver system settings. + */ +#define STM32_I2S_USE_SPI2 FALSE +#define STM32_I2S_USE_SPI3 FALSE +#define STM32_I2S_SPI2_IRQ_PRIORITY 10 +#define STM32_I2S_SPI3_IRQ_PRIORITY 10 +#define STM32_I2S_SPI2_DMA_PRIORITY 1 +#define STM32_I2S_SPI3_DMA_PRIORITY 1 +#define STM32_I2S_SPI2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3) +#define STM32_I2S_SPI2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4) +#define STM32_I2S_SPI3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 0) +#define STM32_I2S_SPI3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7) +#define STM32_I2S_DMA_ERROR_HOOK(i2sp) osalSysHalt("DMA failure") + +/* + * ICU driver system settings. + */ +#define STM32_ICU_USE_TIM1 FALSE +#define STM32_ICU_USE_TIM2 FALSE +#define STM32_ICU_USE_TIM3 FALSE +#define STM32_ICU_USE_TIM4 FALSE +#define STM32_ICU_USE_TIM5 FALSE +#define STM32_ICU_USE_TIM9 FALSE +#define STM32_ICU_USE_TIM10 FALSE +#define STM32_ICU_USE_TIM11 FALSE + +/* + * PWM driver system settings. + */ +#define STM32_PWM_USE_TIM1 FALSE +#define STM32_PWM_USE_TIM2 FALSE +#define STM32_PWM_USE_TIM3 FALSE +#define STM32_PWM_USE_TIM4 FALSE +#define STM32_PWM_USE_TIM5 FALSE +#define STM32_PWM_USE_TIM9 FALSE +#define STM32_PWM_USE_TIM10 FALSE +#define STM32_PWM_USE_TIM11 FALSE + +/* + * SERIAL driver system settings. + */ +#define STM32_SERIAL_USE_USART1 TRUE +#define STM32_SERIAL_USE_USART2 TRUE +#define STM32_SERIAL_USE_USART6 FALSE + +/* + * SPI driver system settings. + */ +#define STM32_SPI_USE_SPI1 FALSE +#define STM32_SPI_USE_SPI2 FALSE +#define STM32_SPI_USE_SPI3 FALSE +#define STM32_SPI_SPI1_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 0) +#define STM32_SPI_SPI1_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 3) +#define STM32_SPI_SPI2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3) +#define STM32_SPI_SPI2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4) +#define STM32_SPI_SPI3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 0) +#define STM32_SPI_SPI3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7) +#define STM32_SPI_SPI1_DMA_PRIORITY 1 +#define STM32_SPI_SPI2_DMA_PRIORITY 1 +#define STM32_SPI_SPI3_DMA_PRIORITY 1 +#define STM32_SPI_SPI1_IRQ_PRIORITY 10 +#define STM32_SPI_SPI2_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 + +/* + * UART driver system settings. + */ +#define STM32_UART_USE_USART1 FALSE +#define STM32_UART_USE_USART2 FALSE +#define STM32_UART_USE_USART6 FALSE +#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 5) +#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 7) +#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5) +#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6) +#define STM32_UART_USART6_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 2) +#define STM32_UART_USART6_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 7) +#define STM32_UART_USART1_DMA_PRIORITY 0 +#define STM32_UART_USART2_DMA_PRIORITY 0 +#define STM32_UART_USART6_DMA_PRIORITY 0 +#define STM32_UART_DMA_ERROR_HOOK(uartp) osalSysHalt("DMA failure") + +/* + * USB driver system settings. + */ +#define STM32_USB_USE_OTG1 TRUE +#define STM32_USB_OTG1_IRQ_PRIORITY 14 +#define STM32_USB_OTG1_RX_FIFO_SIZE 512 +#define STM32_USB_HOST_WAKEUP_DURATION 2 + +/* + * WDG driver system settings. + */ +#define STM32_WDG_USE_IWDG FALSE + +#endif /* MCUCONF_H */ diff --git a/platforms/chibios/converters/promicro_to_stemcell/_pin_defs.h b/platforms/chibios/converters/promicro_to_stemcell/_pin_defs.h new file mode 100644 index 0000000000..f5dd55905d --- /dev/null +++ b/platforms/chibios/converters/promicro_to_stemcell/_pin_defs.h @@ -0,0 +1,57 @@ +// Copyright 2022 Mega Mind (@megamind4089) +// SPDX-License-Identifier: GPL-2.0-or-later + +#pragma once + +// Pindefs for v2.0.0 +// https://megamind4089.github.io/STeMCell/pinout/ + +// Left side (front) +#ifdef STEMCELL_UART_SWAP +# define D3 PAL_LINE(GPIOA, 3) +# define D2 PAL_LINE(GPIOA, 2) +#else +# define D3 PAL_LINE(GPIOA, 2) +# define D2 PAL_LINE(GPIOA, 3) +#endif +// GND +// GND +#ifdef STEMCELL_I2C_SWAP +# define D1 PAL_LINE(GPIOB, 6) +# define D0 PAL_LINE(GPIOB, 7) +#else +# define D1 PAL_LINE(GPIOB, 7) +# define D0 PAL_LINE(GPIOB, 6) +#endif + +#define D4 PAL_LINE(GPIOA, 15) +#define C6 PAL_LINE(GPIOB, 3) +#define D7 PAL_LINE(GPIOB, 4) +#define E6 PAL_LINE(GPIOB, 5) +#define B4 PAL_LINE(GPIOB, 8) +#define B5 PAL_LINE(GPIOB, 9) + +// Right side (front) +// RAW +// GND +// RESET +// VCC +#define F4 PAL_LINE(GPIOB, 10) +#define F5 PAL_LINE(GPIOB, 2) +#define F6 PAL_LINE(GPIOB, 1) +#define F7 PAL_LINE(GPIOB, 0) + +#define B1 PAL_LINE(GPIOA, 5) +#define B3 PAL_LINE(GPIOA, 6) +#define B2 PAL_LINE(GPIOA, 7) +#define B6 PAL_LINE(GPIOA, 4) + +// Extra elite-c compatible pinout +#define B7 PAL_LINE(GPIOC, 13) +#define D5 PAL_LINE(GPIOC, 14) +#define C7 PAL_LINE(GPIOC, 15) +#define F1 PAL_LINE(GPIOA, 0) +#define F0 PAL_LINE(GPIOA, 1) + +// TX/RX pins of promicro +#define B0 PAL_LINE(GPIOA, 9) // unconnected pin diff --git a/platforms/chibios/converters/promicro_to_stemcell/converter.mk b/platforms/chibios/converters/promicro_to_stemcell/converter.mk new file mode 100644 index 0000000000..525492f96c --- /dev/null +++ b/platforms/chibios/converters/promicro_to_stemcell/converter.mk @@ -0,0 +1,22 @@ +# Copyright 2022 Mega Mind (@megamind4089) +# SPDX-License-Identifier: GPL-2.0-or-later + +MCU := STM32F411 +BOARD := STEMCELL +BOOTLOADER := tinyuf2 + +SERIAL_DRIVER ?= usart +WS2812_DRIVER ?= bitbang + +EEPROM_DRIVER = wear_leveling +WEAR_LEVELING_DRIVER = legacy + + +ifeq ($(strip $(STMC_US)), yes) + OPT_DEFS += -DSTEMCELL_UART_SWAP +endif + +ifeq ($(strip $(STMC_IS)), yes) + OPT_DEFS += -DSTEMCELL_I2C_SWAP +endif + |