Files
arduino-esp32/variants/esp32-evb/pins_arduino.h
Serguei S. Dukachev 93f10609f4 SDMMC frequency selection based on board type (#5688)
* SDMMC frequency selection based on board type

On Olimex ESP32 EVB I/O operations with SD card can cause error when LAN is used in same time.
Problem is disappearing if SD MMC frequency lower down from SDMMC_FREQ_HIGHSPEED to SDMMC_FREQ_DEFAULT.

No problem if WiFi used instead LAN.

* Code rewritten according to https://github.com/espressif/arduino-esp32/pull/5688#pullrequestreview-759359645
2021-10-01 15:48:20 +03:00

35 lines
777 B
C

#ifndef Pins_Arduino_h
#define Pins_Arduino_h
#include <stdint.h>
#define EXTERNAL_NUM_INTERRUPTS 16
#define NUM_DIGITAL_PINS 40
#define NUM_ANALOG_INPUTS 16
#define analogInputToDigitalPin(p) (((p)<20)?(esp32_adc2gpio[(p)]):-1)
#define digitalPinToInterrupt(p) (((p)<40)?(p):-1)
#define digitalPinHasPWM(p) (p < 34)
static const uint8_t KEY_BUILTIN = 34;
static const uint8_t TX = 1;
static const uint8_t RX = 3;
#define TX1 4
#define RX1 36
static const uint8_t SDA = 13;
static const uint8_t SCL = 16;
static const uint8_t SS = 17;
static const uint8_t MOSI = 2;
static const uint8_t MISO = 15;
static const uint8_t SCK = 14;
#define BOARD_HAS_1BIT_SDMMC
#define BOARD_MAX_SDMMC_FREQ SDMMC_FREQ_DEFAULT
#endif /* Pins_Arduino_h */