rp2040-zero-board.h

/*
 * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

// -----------------------------------------------------
// NOTE: THIS HEADER IS ALSO INCLUDED BY ASSEMBLER SO
//       SHOULD ONLY CONSIST OF PREPROCESSOR DIRECTIVES
// -----------------------------------------------------

#ifndef _BOARDS_RP2040_ZERO_BOARD_H
#define _BOARDS_RP2040_ZERO_BOARD_H

// For board detection
#define RP2040_ZERO_BOARD

// Startup delay is required on the RP2040-Zero
#define PICO_XOSC_STARTUP_DELAY_MULTIPLIER 64

// --- UART ---
#ifndef PICO_DEFAULT_UART
#define PICO_DEFAULT_UART 0
#endif
#ifndef PICO_DEFAULT_UART_TX_PIN
#define PICO_DEFAULT_UART_TX_PIN 0
#endif
#ifndef PICO_DEFAULT_UART_RX_PIN
#define PICO_DEFAULT_UART_RX_PIN 1
#endif

// --- WS2812 ---
#ifndef PICO_DEFAULT_WS2812_PIN
#define PICO_DEFAULT_WS2812_PIN 16
#endif

// --- I2C ---
#ifndef PICO_DEFAULT_I2C
#define PICO_DEFAULT_I2C 1
#endif
#ifndef PICO_DEFAULT_I2C_SDA_PIN
#define PICO_DEFAULT_I2C_SDA_PIN 6
#endif
#ifndef PICO_DEFAULT_I2C_SCL_PIN
#define PICO_DEFAULT_I2C_SCL_PIN 7
#endif

// --- SPI ---
#ifndef PICO_DEFAULT_SPI
#define PICO_DEFAULT_SPI 1
#endif
#ifndef PICO_DEFAULT_SPI_SCK_PIN
#define PICO_DEFAULT_SPI_SCK_PIN 10
#endif
#ifndef PICO_DEFAULT_SPI_TX_PIN
#define PICO_DEFAULT_SPI_TX_PIN 11
#endif
#ifndef PICO_DEFAULT_SPI_RX_PIN
#define PICO_DEFAULT_SPI_RX_PIN 12
#endif
#ifndef PICO_DEFAULT_SPI_CSN_PIN
#define PICO_DEFAULT_SPI_CSN_PIN 13
#endif

// --- FLASH ---
#define PICO_BOOT_STAGE2_CHOOSE_W25Q080 1

#ifndef PICO_FLASH_SPI_CLKDIV
#define PICO_FLASH_SPI_CLKDIV 2
#endif

#ifndef PICO_FLASH_SIZE_BYTES
#define PICO_FLASH_SIZE_BYTES (2 * 1024 * 1024)
#endif

// All boards have B1 RP2040
#ifndef PICO_RP2040_B0_SUPPORTED
#define PICO_RP2040_B0_SUPPORTED 0
#endif

#endif