--- /dev/null
+//==========================================================================
+//
+// can_multichan_tx.c
+//
+// CAN TX test for multiple CAN channels
+//
+//==========================================================================
+//####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 TX test for multiple CAN controller channels
+//####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>
+
+
+//===========================================================================
+// 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 can_thread;
+thread_data_t can0_thread_data;
+cyg_io_handle_t hCAN_Tbl[4];
+
+
+//===========================================================================
+// READER THREAD
+//===========================================================================
+void can_thread(cyg_addrword_t data)
+{
+ cyg_uint32 len;
+ cyg_can_message tx_msg;
+ cyg_can_info_t can_info;
+ cyg_can_baud_rate_t baud;
+ cyg_uint8 i = 0;
+ cyg_uint8 j = 0;
+
+ //
+ // Check that all cannels have the same baudrate
+ //
+#ifdef CYGPKG_DEVS_CAN_LPC2XXX_CAN0
+ len = sizeof(can_info);
+ if (ENOERR != cyg_io_get_config(hCAN_Tbl[0], CYG_IO_GET_CONFIG_CAN_INFO, &can_info, &len))
+ {
+ CYG_TEST_FAIL_FINISH("Error reading baudrate of CAN channel 0");
+ }
+ else
+ {
+ baud = can_info.baud;
+ ++i;
+ }
+#endif
+
+#ifdef CYGPKG_DEVS_CAN_LPC2XXX_CAN1
+ len = sizeof(can_info);
+ if (ENOERR != cyg_io_get_config(hCAN_Tbl[1], CYG_IO_GET_CONFIG_CAN_INFO, &can_info, &len))
+ {
+ CYG_TEST_FAIL_FINISH("Error reading baudrate of CAN channel 1");
+ }
+ else
+ {
+ if (i && (baud != can_info.baud))
+ {
+ CYG_TEST_FAIL_FINISH("Error - different baudrates for CAN channel 0 and 1");
+ }
+ baud = can_info.baud;
+ ++i;
+ }
+#endif
+
+#ifdef CYGPKG_DEVS_CAN_LPC2XXX_CAN2
+ len = sizeof(can_info);
+ if (ENOERR != cyg_io_get_config(hCAN_Tbl[2], CYG_IO_GET_CONFIG_CAN_INFO, &can_info, &len))
+ {
+ CYG_TEST_FAIL_FINISH("Error reading baudrate of CAN channel 2");
+ }
+ else
+ {
+ if (i && (baud != can_info.baud))
+ {
+ CYG_TEST_FAIL_FINISH("Error - different baudrates for CAN channel 1 and 2");
+ }
+ baud = can_info.baud;
+ ++i;
+ }
+#endif
+
+#ifdef CYGPKG_DEVS_CAN_LPC2XXX_CAN3
+ len = sizeof(can_info);
+ if (ENOERR != cyg_io_get_config(hCAN_Tbl[3], CYG_IO_GET_CONFIG_CAN_INFO, &can_info, &len))
+ {
+ CYG_TEST_FAIL_FINISH("Error reading baudrate of CAN channel 3");
+ }
+ else
+ {
+ if (i && (baud != can_info.baud))
+ {
+ CYG_TEST_FAIL_FINISH("Error - different baudrates for CAN channel 2 and 3");
+ }
+ baud = can_info.baud;
+ ++i;
+ }
+#endif
+
+ diag_printf("\n\nYou should no receive 4 CAN messages from each active CAN channel\n");
+
+ //
+ // Now each CAN channel sends 10 CAN messages
+ //
+ for (i = 0; i < 4; ++i)
+ {
+ if (hCAN_Tbl[i])
+ {
+ CYG_CAN_MSG_SET_PARAM(tx_msg, i * 0x100, CYGNUM_CAN_ID_STD, 4, CYGNUM_CAN_FRAME_DATA);
+ tx_msg.data.dwords[0] = 0;
+ tx_msg.data.dwords[1] = 0;
+ char err_msg[64];
+ diag_snprintf(err_msg, sizeof(err_msg), "Error sending TX using CAN channel %d", i);
+ for (j = 0; j < 4; ++j)
+ {
+ tx_msg.id = i * 0x100 + j;
+ tx_msg.data.bytes[0] = j;
+ len = sizeof(tx_msg);
+ if (ENOERR != cyg_io_write(hCAN_Tbl[i], &tx_msg, &len))
+ {
+ CYG_TEST_FAIL_FINISH(err_msg);
+ }
+ }
+ } // if (hCAN_Tbl[i])
+ } // for (i = 0; i < 4; ++i)
+
+ CYG_TEST_PASS_FINISH("LPC2xxx CAN multi channel TX test OK");
+}
+
+
+
+void
+cyg_start(void)
+{
+ CYG_TEST_INIT();
+
+#ifdef CYGPKG_DEVS_CAN_LPC2XXX_CAN0
+ //
+ // open CAN device driver
+ //
+ if (ENOERR != cyg_io_lookup(CYGPKG_DEVS_CAN_LPC2XXX_CAN0_NAME, &hCAN_Tbl[0]))
+ {
+ CYG_TEST_FAIL_FINISH("Error opening CAN channel 0");
+ }
+#else
+ hCAN_Tbl[0] = 0;
+#endif
+
+#ifdef CYGPKG_DEVS_CAN_LPC2XXX_CAN1
+ //
+ // open CAN device driver
+ //
+ if (ENOERR != cyg_io_lookup(CYGPKG_DEVS_CAN_LPC2XXX_CAN1_NAME, &hCAN_Tbl[1]))
+ {
+ CYG_TEST_FAIL_FINISH("Error opening CAN channel 1");
+ }
+#else
+ hCAN_Tbl[1] = 0;
+#endif
+
+#ifdef CYGPKG_DEVS_CAN_LPC2XXX_CAN2
+ //
+ // open CAN device driver
+ //
+ if (ENOERR != cyg_io_lookup(CYGPKG_DEVS_CAN_LPC2XXX_CAN2_NAME, &hCAN_Tbl[2]))
+ {
+ CYG_TEST_FAIL_FINISH("Error opening CAN channel 2");
+ }
+#else
+ hCAN_Tbl[2] = 0;
+#endif
+
+#ifdef CYGPKG_DEVS_CAN_LPC2XXX_CAN3
+ //
+ // open CAN device driver
+ //
+ if (ENOERR != cyg_io_lookup(CYGPKG_DEVS_CAN_LPC2XXX_CAN3_NAME, &hCAN_Tbl[3]))
+ {
+ CYG_TEST_FAIL_FINISH("Error opening CAN channel 3");
+ }
+#else
+ hCAN_Tbl[3] = 0;
+#endif
+
+ //
+ // create the thread that accesses the CAN device driver
+ //
+ cyg_thread_create(4, can_thread,
+ (cyg_addrword_t) 0,
+ "can0_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_multichan_tx.c
projects / karo-tx-redboot.git / blobdiff