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boards/esp32-olimex-evb: add SDMMC support
This commit is contained in:
Gunar Schorcht
parent
a376b3c915
commit
7ba9cbe736
@ -17,8 +17,11 @@ config BOARD_ESP32_OLIMEX_EVB
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select HAS_PERIPH_ADC if USEMODULE_OLIMEX_ESP32_GATEWAY
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select HAS_PERIPH_I2C
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select HAS_PERIPH_PWM
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select HAS_PERIPH_SDMMC
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select HAS_PERIPH_SPI
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select HAS_PERIPH_CAN
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select HAS_PERIPH_IR
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select HAVE_MTD_SDMMC_DEFAULT
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source "$(RIOTBOARD)/common/esp32/Kconfig"
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@ -4,3 +4,13 @@ include $(RIOTBOARD)/common/esp32/Makefile.dep
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ifneq (,$(filter netdev_default,$(USEMODULE)))
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USEMODULE += esp_eth
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endif
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# default to using fatfs on SD card
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ifneq (,$(filter vfs_default,$(USEMODULE)))
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USEMODULE += fatfs_vfs
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USEMODULE += mtd
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endif
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ifneq (,$(filter mtd,$(USEMODULE)))
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USEMODULE += mtd_sdmmc_default
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endif
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@ -3,13 +3,20 @@ CPU_MODEL = esp32-wroom_32
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# common board and CPU features
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include $(RIOTBOARD)/common/esp32/Makefile.features
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# additional features provided by the board (no ADC and no DAC)
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ifneq (,$(filter olimex_esp32_gateway,$(USEMODULE)))
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# additional features provided by Olimex ESP32 Gateway
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FEATURES_PROVIDED += periph_adc
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else
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# SPI interface is not available on Olimex ESP32 Gateway
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FEATURES_PROVIDED += periph_spi
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endif
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FEATURES_PROVIDED += periph_i2c
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FEATURES_PROVIDED += periph_pwm
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FEATURES_PROVIDED += periph_spi
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FEATURES_PROVIDED += periph_sdmmc
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FEATURES_CONFLICT += periph_sdmmc:periph_spi
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FEATURES_CONFLICT_MSG += "SD/MMC and SPI cannot be used at the same time on this board."
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# unique features of the board
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FEATURES_PROVIDED += esp_eth # Ethernet MAC (EMAC)
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@ -92,15 +92,15 @@ overridden by \ref esp32_application_specific_configurations
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<center>
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Pin | Configuration\n ESP32-EVB | Configuration\n ESP32-GATEWAY | Remarks / Prerequisites | Configuration
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:------|:------------------|:-----------------|-|-|
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GPIO13 | I2C_DEV(0):SDA | SDCARD_CS | on ESP32-EVB available at [UEXT1](https://www.olimex.com/Products/Modules/UEXT) | \ref esp32_i2c_interfaces "I2C Interfaces"
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GPIO13 | I2C_DEV(0):SDA | SDMMC_DEV(0):DAT3 | on ESP32-EVB available at [UEXT1](https://www.olimex.com/Products/Modules/UEXT) | \ref esp32_i2c_interfaces "I2C Interfaces", \ref esp32_sdmmc_interfaces "SDMMC Interfaces"
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GPIO16 | I2C_DEV(0):SCL | I2C_DEV(0):SCL | on ESP32-EVB available at [UEXT1](https://www.olimex.com/Products/Modules/UEXT) | \ref esp32_i2c_interfaces "I2C Interfaces"
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GPIO14 | SPI_DEV(0):CLK | SDCARD_CLK | on ESP32-EVB available at [UEXT1](https://www.olimex.com/Products/Modules/UEXT) | \ref esp32_spi_interfaces "SPI Interfaces"
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GPIO2 | SPI_DEV(0):MISO | SDCARD_MISO | on ESP32-EVB available at [UEXT1](https://www.olimex.com/Products/Modules/UEXT) | \ref esp32_spi_interfaces "SPI Interfaces"
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GPIO15 | SPI_DEV(0):MOSI | SDCARD_MOSI | on ESP32-EVB available at [UEXT1](https://www.olimex.com/Products/Modules/UEXT) | \ref esp32_spi_interfaces "SPI Interfaces"
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GPIO14 | SPI_DEV(0):CLK, SDMMC_DEV(0):CLK | SDMMC_DEV(0):CLK | on ESP32-EVB available at [UEXT1](https://www.olimex.com/Products/Modules/UEXT) | \ref esp32_spi_interfaces "SPI Interfaces", \ref esp32_sdmmc_interfaces "SDMMC Interfaces"
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GPIO2 | SPI_DEV(0):MISO, SDMMC_DEV(0):DAT0 | SDMMC_DEV(0):DAT0 | on ESP32-EVB available at [UEXT1](https://www.olimex.com/Products/Modules/UEXT) | \ref esp32_spi_interfaces "SPI Interfaces", \ref esp32_sdmmc_interfaces "SDMMC Interfaces"
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GPIO15 | SPI_DEV(0):MOSI, SDMMC_DEV(0):CMD | SDMMC_DEV(0):CMD | on ESP32-EVB available at [UEXT1](https://www.olimex.com/Products/Modules/UEXT) | \ref esp32_spi_interfaces "SPI Interfaces", \ref esp32_sdmmc_interfaces "SDMMC Interfaces"
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GPIO17 | SPI_DEV(0):CS0 | I2C_DEV(0):SDA | on ESP32-EVB available at [UEXT1](https://www.olimex.com/Products/Modules/UEXT) | \ref esp32_spi_interfaces "SPI Interfaces"
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GPIO1 | UART_DEV(0):TxD | UART_DEV(0):TxD | Console (cannot be changed) | \ref esp32_uart_interfaces "UART interfaces"
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GPIO3 | UART_DEV(0):RxD | UART_DEV(0):RxD | Console (cannot be changed) | \ref esp32_uart_interfaces "UART interfaces"
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GPIO4 | UART_DEV(1):TxD | N/A | on ESP32-EVB available at [UEXT1](https://www.olimex.com/Products/Modules/UEXT) | \ref esp32_uart_interfaces "UART interfaces"
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GPIO4 | UART_DEV(1):TxD | SDMMC_DEV(0):DAT1 | on ESP32-EVB available at [UEXT1](https://www.olimex.com/Products/Modules/UEXT) | \ref esp32_uart_interfaces "UART interfaces", \ref esp32_sdmmc_interfaces "SDMMC Interfaces"
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GPIO36 | UART_DEV(1):RxD | ADC_LINE(2) | on ESP32-EVB available at [UEXT1](https://www.olimex.com/Products/Modules/UEXT) | \ref esp32_uart_interfaces "UART interfaces"
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GPIO32 | Relais 1 | ADC_LINE(0) | | \ref esp32_adc_channels "ADC Channels"
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GPIO33 | Relais 2 | LED0 | | |
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@ -109,7 +109,7 @@ GPIO9 | PWM_DEV(0):0 | PWM_DEV(0):0 | | \ref esp32_pwm_channels "PWM C
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GPIO10 | PWM_DEV(0):1 | PWM_DEV(0):1 | | \ref esp32_pwm_channels "PWM Channels"
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GPIO5 | CAN_DEV(0):TX | | | \ref esp32_can_interfaces "CAN Interfaces"
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GPIO35 | CAN_DEV(0):RX | ADC_LINE(1) | | \ref esp32_adc_channels "ADC Channels"
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GPIO12 | IR_DEV(0):TX | N/A | IR is not yet supported | |
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GPIO12 | IR_DEV(0):TX | SDMMC_DEV(0):DAT2 | IR is not yet supported | \ref esp32_sdmmc_interfaces "SDMMC Interfaces" |
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GPIO39 | IR_DEV(0):RX | ADC_LINE(3) | IR is not yet supported | \ref esp32_adc_channels "ADC Channels"
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GPIO18 | EMAC_SMI:MDIO | EMAC_SMI:MDIO | LAN interface | \ref esp32_ethernet_network_interface "Ethernet MAC"
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GPIO23 | EMAC_SMI:MDC | EMAC_SMI:MDC | LAN interface | \ref esp32_ethernet_network_interface "Ethernet MAC"
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@ -36,6 +36,8 @@
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#include <stdint.h>
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#include "periph_cpu.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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@ -139,6 +141,29 @@ extern "C" {
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/** @} */
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/**
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* @name SD/MMC host controller configuration
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* @{
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*/
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/** SDMMC devices */
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static const sdmmc_conf_t sdmmc_config[] = {
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{
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.slot = SDMMC_SLOT_1,
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.cd = GPIO_UNDEF,
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.wp = GPIO_UNDEF,
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#if MODULE_OLIMEX_ESP32_GATEWAY
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.bus_width = 4,
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#else
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.bus_width = 1,
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#endif
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},
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};
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/** Number of configured SDMMC devices */
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#define SDMMC_CONFIG_NUMOF 1
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/** @} */
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/**
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* @name SPI configuration
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* @{
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@ -147,12 +172,7 @@ extern "C" {
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* @brief HSPI is used as SPI_DEV(0)
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*
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* It is available at the [UEXT] connector on Olimex ESP32-EVB.
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*
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* Although the SD card interface of the Olimex ESP32-EVB is also available at
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* the `SPI_DEV(0)` interface, it does not have a CS signal. Therefore,
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* it cannot be used in SPI mode with the `sdcard_spi` module. Olimex
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* ESP32-GATEWAY uses the integrated SD card interface with another GPIO for
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* the CS signal.
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* If the SD Card/MMC interface is used, the SPI interface is not available.
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*
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* @note The GPIOs listed in the configuration are first initialized as SPI
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* signals when the corresponding SPI interface is used for the first time
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@ -160,6 +180,8 @@ extern "C" {
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* function. That is, they are not allocated as SPI signals before and can
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* be used for other purposes as long as the SPI interface is not used.
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*/
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#if !MODULE_PERIPH_SDMMC && !MODULE_OLIMEX_ESP32_GATEWAY
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#ifndef SPI0_CTRL
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#define SPI0_CTRL HSPI
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#endif
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@ -173,14 +195,11 @@ extern "C" {
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#ifndef SPI0_MOSI
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#define SPI0_MOSI GPIO15 /**< MOSI [UEXT] / SD Card interface] */
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#endif
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#ifndef SPI0_CS0
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#ifndef MODULE_OLIMEX_ESP32_GATEWAY
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#define SPI0_CS0 GPIO17 /**< CS0 [UEXT] */
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#else /* MODULE_OLIMEX_ESP32_GATEWAY */
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#define SPI0_CS0 GPIO13 /**< CS0 SD Card interface */
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#endif /* MODULE_OLIMEX_ESP32_GATEWAY */
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#endif /* SPI0_CS0 */
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#endif
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#endif /* !MODULE_PERIPH_SDMMC && !MODULE_OLIMEX_ESP32_GATEWAY */
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/** @} */
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@ -201,12 +220,16 @@ extern "C" {
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#define UART0_TXD GPIO1 /**< direct I/O pin for UART_DEV(0), can't be changed */
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#define UART0_RXD GPIO3 /**< direct I/O pin for UART_DEV(0), can't be changed */
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#if !MODULE_OLIMEX_ESP32_GATEWAY
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#ifndef UART1_TXD
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#define UART1_TXD GPIO4 /**< UART_DEV(1) TxD */
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#endif
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#ifndef UART1_RXD
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#define UART1_RXD GPIO36 /**< UART_DEV(1) RxD */
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#endif
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#endif /* !MODULE_OLIMEX_ESP32_GATEWAY */
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/** @} */
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#ifdef __cplusplus
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