--- /dev/null
+//==========================================================================
+//
+// can_baudrates.c
+//
+// CAN test of all supported baudrates
+//
+//==========================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+//
+// eCos is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 2 or (at your option) any later version.
+//
+// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+// for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+//
+// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
+// at http://sources.redhat.com/ecos/ecos-license/
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s): Uwe Kindler
+// Contributors: Uwe Kindler
+// Date: 2007-06-26
+// Description: CAN LPC2xxx baudrate test
+//####DESCRIPTIONEND####
+
+
+//===========================================================================
+// INCLUDES
+//===========================================================================
+#include <pkgconf/system.h>
+
+#include <cyg/infra/testcase.h> // test macros
+#include <cyg/infra/cyg_ass.h> // assertion macros
+#include <cyg/infra/diag.h>
+
+// Package requirements
+#if defined(CYGPKG_IO_CAN) && defined(CYGPKG_KERNEL)
+
+#include <pkgconf/kernel.h>
+#include <cyg/io/io.h>
+#include <cyg/io/canio.h>
+
+
+// Package option requirements
+#if defined(CYGFUN_KERNEL_API_C)
+
+#include <cyg/hal/hal_arch.h> // CYGNUM_HAL_STACK_SIZE_TYPICAL
+#include <cyg/kernel/kapi.h>
+
+
+#include "can_test_aux.inl" // include CAN test auxiliary functions
+//===========================================================================
+// DATA TYPES
+//===========================================================================
+typedef struct st_thread_data
+{
+ cyg_thread obj;
+ long stack[CYGNUM_HAL_STACK_SIZE_TYPICAL];
+ cyg_handle_t hdl;
+} thread_data_t;
+
+
+//===========================================================================
+// LOCAL DATA
+//===========================================================================
+cyg_thread_entry_t can0_thread;
+thread_data_t can0_thread_data;
+cyg_io_handle_t hCAN;
+
+
+//
+// The table of baudrates to test
+//
+static cyg_can_baud_rate_t baudrate_tbl[9] =
+{
+ CYGNUM_CAN_KBAUD_10,
+ CYGNUM_CAN_KBAUD_20,
+ CYGNUM_CAN_KBAUD_50,
+ CYGNUM_CAN_KBAUD_100,
+ CYGNUM_CAN_KBAUD_125,
+ CYGNUM_CAN_KBAUD_250,
+ CYGNUM_CAN_KBAUD_500,
+ CYGNUM_CAN_KBAUD_800,
+ CYGNUM_CAN_KBAUD_1000,
+};
+
+//
+// String table forprinting supported baudrates
+//
+static char* baudrate_strings_tbl[9] =
+{
+ "10",
+ "20",
+ "50",
+ "100",
+ "125",
+ "250",
+ "500",
+ "800",
+ "1000",
+};
+
+
+//===========================================================================
+// Thread 0
+//===========================================================================
+void can0_thread(cyg_addrword_t data)
+{
+ cyg_uint32 len;
+ cyg_can_event rx_event;
+ cyg_uint32 i;
+ cyg_can_info_t can_info;
+
+ diag_printf("\n\nWhen the LPC2xxx driver selects a new baudrate then you need\n"
+ "to setup your hardware to the new baudrate and send one CAN\n"
+ "single CAN standard message.\n");
+ //
+ // Test all supported baudrates
+ //
+ for (i = 0; i < 9; ++i)
+ {
+ diag_printf("\n\nBaudrate: %s Kbaud\n", baudrate_strings_tbl[i]);
+ can_info.baud = baudrate_tbl[i];
+ len = sizeof(can_info);
+ if (ENOERR != cyg_io_set_config(hCAN, CYG_IO_SET_CONFIG_CAN_INFO, &can_info, &len))
+ {
+ diag_printf("not supported\n");
+ continue;
+ }
+ else
+ {
+ diag_printf("waiting for CAN message...\n");
+ }
+
+ len = sizeof(rx_event);
+ //
+ // First receive CAN event from real CAN hardware
+ //
+ len = sizeof(rx_event);
+ if (ENOERR != cyg_io_read(hCAN, &rx_event, &len))
+ {
+ CYG_TEST_FAIL_FINISH("Error reading from channel 0");
+ }
+
+ if (rx_event.flags & CYGNUM_CAN_EVENT_RX)
+ {
+ print_can_msg(&rx_event.msg, "RX chan 1:");
+ } // if (rx_event.flags & CYGNUM_CAN_EVENT_RX)
+ else
+ {
+ print_can_flags(rx_event.flags, "");
+ CYG_TEST_FAIL_FINISH("Rx message expected");
+ }
+ } // for (i = 0; i < 9; ++i)
+
+ CYG_TEST_PASS_FINISH("CAN baudrate test OK");
+}
+
+
+//===========================================================================
+// Entry point
+//===========================================================================
+void cyg_start(void)
+{
+ CYG_TEST_INIT();
+
+ //
+ // open CAN device driver channel 1
+ //
+ if (ENOERR != cyg_io_lookup(CYGPKG_DEVS_CAN_LPC2XXX_CAN0_NAME, &hCAN))
+ {
+ CYG_TEST_FAIL_FINISH("Error opening CAN channel 0");
+ }
+
+ //
+ // create the main thread
+ //
+ cyg_thread_create(5, can0_thread,
+ (cyg_addrword_t) 0,
+ "can_tx_thread",
+ (void *) can0_thread_data.stack,
+ 1024 * sizeof(long),
+ &can0_thread_data.hdl,
+ &can0_thread_data.obj);
+
+ cyg_thread_resume(can0_thread_data.hdl);
+
+ cyg_scheduler_start();
+}
+#else // CYGFUN_KERNEL_API_C
+#define N_A_MSG "Needs kernel C API"
+#endif
+
+#else // CYGPKG_IO_CAN && CYGPKG_KERNEL
+#define N_A_MSG "Needs Kernel"
+#endif
+
+#ifdef N_A_MSG
+void
+cyg_start( void )
+{
+ CYG_TEST_INIT();
+ CYG_TEST_NA(N_A_MSG);
+}
+#endif // N_A_MSG
+
+//---------------------------------------------------------------------------
+// EOF can_busload.c