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/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.io/license.html
*/
/**
* @file boards/base/Olimex-SAM7EX256-GE8/board_uext.h
* @brief Definitions describing the UEXT interface
*/
#ifndef _BOARD_UEXT_H
#define _BOARD_UEXT_H
/*
* The UEXT official pin definitions
*
* +-------+
* 3.3V 1 | + + | 2 GND
* TX 3 | + + | 4 RX
* SCL 5 + + | 6 SDA
* MISO 7 | + + | 8 MOSI
* SCK 9 | + + | 10 SSEL/CS
* +-------+
*
* Note many small displays using SPI will incorrectly use the SCL/SDA terminology on their pins.
* They should be connected to SCK/MOSI respectively
*/
// These definitions match the physical arrangement of the UEXT on your board
#define UEXT_PORT_PIN3 AT91C_BASE_PIOA
#define UEXT_PORTPIN_PIN3 6
#define UEXT_PORT_PIN4 AT91C_BASE_PIOA
#define UEXT_PORTPIN_PIN4 5
#define UEXT_PORT_PIN5 AT91C_BASE_PIOA
#define UEXT_PORTPIN_PIN5 11
#define UEXT_PORT_PIN6 AT91C_BASE_PIOA
#define UEXT_PORTPIN_PIN6 10
#define UEXT_PORT_PIN7 AT91C_BASE_PIOA
#define UEXT_PORTPIN_PIN7 24
#define UEXT_PORT_PIN8 AT91C_BASE_PIOA
#define UEXT_PORTPIN_PIN8 23
#define UEXT_PORT_PIN9 AT91C_BASE_PIOA
#define UEXT_PORTPIN_PIN9 22
#define UEXT_PORT_PIN10 AT91C_BASE_PIOA
#define UEXT_PORTPIN_PIN10 21
// The ports that the various serial devices use for UEXT on your board
#define UEXT_SERIAL (&SD2) // TX = UEXT PIN 3, RX = UEXT PIN 4
#define UEXT_SPI (&SPID2) // MISO = UEXT PIN 7, MOSI = UEXT PIN 8, SCK = UEXT PIN 9, CS = UEXT PIN 10
#define UEXT_I2C (&I2CD1) // SCL/TWCK = UEXT PIN 5, SDA/TWD = UEXT PIN 6
// We now define generic names for the UEXT pins
#define UEXT_SPI_MISO_PORT UEXT_PORT_PIN7
#define UEXT_SPI_MISO_PORTPIN UEXT_PORTPIN_PIN7
#define UEXT_SPI_MOSI_PORT UEXT_PORT_PIN8
#define UEXT_SPI_MOSI_PORTPIN UEXT_PORTPIN_PIN8
#define UEXT_SPI_SCK_PORT UEXT_PORT_PIN9
#define UEXT_SPI_SCK_PORTPIN UEXT_PORTPIN_PIN9
#define UEXT_SPI_CS_PORT UEXT_PORT_PIN10
#define UEXT_SPI_CS_PORTPIN UEXT_PORTPIN_PIN10
#define UEXT_I2C_SCL_PORT UEXT_PORT_PIN5
#define UEXT_I2C_SCL_PORTPIN UEXT_PORTPIN_PIN5
#define UEXT_I2C_SDA_PORT UEXT_PORT_PIN6
#define UEXT_I2C_SDA_PORTPIN UEXT_PORTPIN_PIN6
#define UEXT_SERIAL_TX_PORT UEXT_PORT_PIN3
#define UEXT_SERIAL_TX_PORTPIN UEXT_PORTPIN_PIN3
#define UEXT_SERIAL_RX_PORT UEXT_PORT_PIN4
#define UEXT_SERIAL_RX_PORTPIN UEXT_PORTPIN_PIN4
#define UEXT_I2C_TWCK_PORT UEXT_PORT_PIN5
#define UEXT_I2C_TWCK_PORTPIN UEXT_PORTPIN_PIN5
#define UEXT_I2C_TWD_PORT UEXT_PORT_PIN6
#define UEXT_I2C_TWD_PORTPIN UEXT_PORTPIN_PIN6
#endif /* _BOARD_UEXT_H */
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