/* * $Id$ * 'OpenSSL for Ruby' project * Copyright (C) 2001-2003 Michal Rokos * All rights reserved. */ /* * This program is licenced under the same licence as Ruby. * (See the file 'LICENCE'.) */ #if !defined(_OSSL_RUBY_MISSING_H_) #define _OSSL_RUBY_MISSING_H_ #define rb_define_copy_func(klass, func) \ rb_define_method(klass, "initialize_copy", func, 1) #ifndef GetReadFile #define FPTR_TO_FD(fptr) (fptr->fd) #else #define FPTR_TO_FD(fptr) (fileno(GetReadFile(fptr))) #endif #ifndef HAVE_RB_IO_T #define rb_io_t OpenFile #endif #ifndef HAVE_RB_STR_SET_LEN /* these methods should probably be backported to 1.8 */ #define rb_str_set_len(str, length) do { \ RSTRING(str)->ptr[length] = 0; \ RSTRING(str)->len = length; \ } while(0) #endif /* ! HAVE_RB_STR_SET_LEN */ #ifndef HAVE_RB_BLOCK_CALL /* the openssl module doesn't use arg[3-4] and arg2 is always rb_each */ #define rb_block_call(arg1, arg2, arg3, arg4, arg5, arg6) rb_iterate(rb_each, arg1, arg5, arg6) #endif /* ! HAVE_RB_BLOCK_CALL */ #endif /* _OSSL_RUBY_MISSING_H_ */ c829026f26157176cea6'/> Unnamed repository; edit this file 'description' to name the repository.Dennis Gilmore
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path: root/common/cmd_spi.c
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/*
 * (C) Copyright 2002
 * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

/*
 * SPI Read/Write Utilities
 */

#include <common.h>
#include <command.h>
#include <dm.h>
#include <errno.h>
#include <spi.h>

/*-----------------------------------------------------------------------
 * Definitions
 */

#ifndef MAX_SPI_BYTES
#   define MAX_SPI_BYTES 32	/* Maximum number of bytes we can handle */
#endif

#ifndef CONFIG_DEFAULT_SPI_BUS
#   define CONFIG_DEFAULT_SPI_BUS	0
#endif
#ifndef CONFIG_DEFAULT_SPI_MODE
#   define CONFIG_DEFAULT_SPI_MODE	SPI_MODE_0
#endif

/*
 * Values from last command.
 */
static unsigned int	bus;
static unsigned int	cs;
static unsigned int	mode;
static int   		bitlen;
static uchar 		dout[MAX_SPI_BYTES];
static uchar 		din[MAX_SPI_BYTES];

static int do_spi_xfer(int bus, int cs)
{
	struct spi_slave *slave;
	int ret = 0;

#ifdef CONFIG_DM_SPI
	char name[30], *str;
	struct udevice *dev;

	snprintf(name, sizeof(name), "generic_%d:%d", bus, cs);
	str = strdup(name);
	ret = spi_get_bus_and_cs(bus, cs, 1000000, mode, "spi_generic_drv",
				 str, &dev, &slave);
	if (ret)
		return ret;
#else
	slave = spi_setup_slave(bus, cs, 1000000, mode);
	if (!slave) {
		printf("Invalid device %d:%d\n", bus, cs);
		return -EINVAL;
	}
#endif

	ret = spi_claim_bus(slave);
	if (ret)
		goto done;
	ret = spi_xfer(slave, bitlen, dout, din,
		       SPI_XFER_BEGIN | SPI_XFER_END);
#ifndef CONFIG_DM_SPI
	/* We don't get an error code in this case */
	if (ret)
		ret = -EIO;
#endif
	if (ret) {
		printf("Error %d during SPI transaction\n", ret);
	} else {
		int j;

		for (j = 0; j < ((bitlen + 7) / 8); j++)
			printf("%02X", din[j]);
		printf("\n");
	}
done:
	spi_release_bus(slave);
#ifndef CONFIG_DM_SPI