changeset 1732:171cd3a5df5d

Add simple test case
author gthomas
date Tue, 24 Aug 2004 13:28:09 +0000
parents a19b6a06a6f3
children 77d1baeea166
files packages/io/flash/current/ChangeLog packages/io/flash/current/tests/flash1.c
diffstat 2 files changed, 242 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/packages/io/flash/current/ChangeLog
+++ b/packages/io/flash/current/ChangeLog
@@ -1,3 +1,8 @@
+2004-08-24  Gary Thomas  <gary@mlbassoc.com>
+
+	* cdl/io_flash.cdl:
+	* tests/flash1.c: Add simple test of FLASH driver.
+
 2004-06-20  Andrew Lunn  <andrew.lunn@ascom.ch>
 
 	* src/flash.c (flash_read): Don't check if the flash is write 
new file mode 100644
--- /dev/null
+++ b/packages/io/flash/current/tests/flash1.c
@@ -0,0 +1,237 @@
+//=================================================================
+//
+//        flash1.c
+//
+//        Simple tests for FLASH drivers
+//
+//=================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+// Copyright (C) 2004 Gary Thomas
+//
+// 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):     gthomas
+// Contributors:  
+// Date:          2004-04-24
+// Description:   Simple test of FLASH I/O.
+//
+// Options:
+//####DESCRIPTIONEND####
+
+// #define DEBUG_PRINTFS
+
+#include <pkgconf/hal.h>
+#include <pkgconf/io_flash.h>
+#include CYGHWR_MEMORY_LAYOUT_H
+
+#include <cyg/infra/diag.h>
+#include <cyg/infra/testcase.h>
+
+#include <cyg/io/flash.h>
+#include <cyg/hal/hal_if.h>
+
+externC void
+cyg_start( void )
+{
+    int stat;
+    void *err_addr;
+    CYG_ADDRWORD flash_start, flash_end;
+    void *flash_test_start, *flash_addr;
+    cyg_uint32 flash_block_size, flash_num_blocks;
+    CYG_ADDRWORD test_buf1, test_buf2;
+    cyg_uint32 *lp1, *lp2;
+    int i, j, len;
+    cyg_bool passed, ok;
+
+#if 0
+    diag_printf("Testing udelay: ");
+    for (i = 0;  i < 30;  i++) {
+        for (j = 0;  j < 1000;  j++) {
+            CYGACC_CALL_IF_DELAY_US(1000);  // Should be 1 second
+        }
+        diag_printf(".");
+    }
+    diag_printf("\n");
+#endif
+
+    passed = true;
+
+    if ((stat = flash_init(diag_printf)) != 0) {
+        diag_printf("FLASH: driver init failed: %s\n", flash_errmsg(stat));
+        CYG_TEST_FAIL_FINISH("FLASH driver init failed");
+    }
+    flash_get_limits((void *)0, (void **)&flash_start, (void **)&flash_end);
+    // Keep 'end' address as last valid location, to avoid wrap around problems
+    flash_end = flash_end - 1;
+    flash_get_block_info(&flash_block_size, &flash_num_blocks);
+
+    diag_printf("FLASH: %p - %p, %d blocks of 0x%x bytes each.\n", 
+                flash_start, flash_end + 1, flash_num_blocks, flash_block_size);
+
+    // Verify that the testing limits are within the bounds of the
+    // physical device.  Also verify that the size matches with
+    // the erase block size on the device
+    if ((CYGNUM_IO_FLASH_TEST_OFFSET > (flash_end - flash_start)) ||
+        ((CYGNUM_IO_FLASH_TEST_OFFSET + CYGNUM_IO_FLASH_TEST_LENGTH) > (flash_end - flash_start))) {
+        CYG_TEST_FAIL_FINISH("FLASH test region outside physical limits");
+    }
+    if ((CYGNUM_IO_FLASH_TEST_LENGTH % flash_block_size) != 0) {
+        CYG_TEST_FAIL_FINISH("FLASH test region must be integral multiple of erase block size");
+    }
+
+    // Allocate two buffers large enough for the test
+    test_buf1 = (CYG_ADDRWORD)CYGMEM_SECTION_heap1;
+    test_buf2 = test_buf1 + CYGNUM_IO_FLASH_TEST_LENGTH;
+    if (CYGMEM_SECTION_heap1_SIZE < (CYGNUM_IO_FLASH_TEST_LENGTH * 2)) {
+        CYG_TEST_FAIL_FINISH("FLASH not enough heap space - reduce size of test region");
+    }
+    diag_printf("... Using test buffers at %p and %p\n", (void *)test_buf1, (void *)test_buf2);
+    flash_test_start = (void *)(flash_start + CYGNUM_IO_FLASH_TEST_OFFSET);
+
+    // Erase test
+    diag_printf("... Erase test\n");
+    ok = true;
+    if ((stat = flash_erase(flash_test_start, 
+                            CYGNUM_IO_FLASH_TEST_LENGTH, &err_addr)) != FLASH_ERR_OK) {
+        diag_printf("FLASH: erase failed: %s\n", flash_errmsg(stat));
+        ok = false;
+    }    
+    if (ok && (stat = flash_read(flash_test_start, (void *)test_buf1,
+                           CYGNUM_IO_FLASH_TEST_LENGTH, &err_addr)) != FLASH_ERR_OK) {
+        diag_printf("FLASH: read/verify after erase failed: %s\n", flash_errmsg(stat));
+        ok = false;
+    }    
+    lp1 = (cyg_uint32 *)test_buf1;
+    for (i = 0;  i < CYGNUM_IO_FLASH_TEST_LENGTH;  i += sizeof(cyg_uint32)) {
+        if (*lp1++ != 0xFFFFFFFF) {
+            diag_printf("FLASH: non-erased data found at offset %p\n", (CYG_ADDRWORD)(lp1-1) - test_buf1);
+            diag_dump_buf((void *)(lp1-1), 32);
+            ok = false;
+            break;
+        }
+    }
+    // Try reading in little pieces
+    len = CYGNUM_IO_FLASH_TEST_LENGTH;
+    flash_addr = flash_test_start;
+    while (len > 0) {
+        if ((stat = flash_read(flash_addr, (void *)test_buf1, 0x200, &err_addr)) != FLASH_ERR_OK) {
+            diag_printf("FLASH: read[short]/verify after erase failed: %s\n", flash_errmsg(stat));
+            ok = false;
+            break;
+        }    
+        flash_addr = (cyg_uint8 *)flash_addr + 0x200;
+        len -= 0x200;
+        lp1 = (cyg_uint32 *)test_buf1;
+        for (i = 0;  i < 0x200;  i += sizeof(cyg_uint32)) {
+            if (*lp1++ != 0xFFFFFFFF) {
+                diag_printf("FLASH: non-erased data found at offset %p\n", 
+                            (cyg_uint8 *)flash_addr + (CYG_ADDRWORD)((lp1-1) - test_buf1));
+                diag_dump_buf((void *)(lp1-1), 32);
+                ok = false;
+                len = 0;
+                break;
+            }
+        }
+    }
+    
+    if (!ok) {
+        CYG_TEST_INFO("FLASH erase failed");
+        passed = false;
+    }
+
+    // Simple write/verify test
+    diag_printf("... Write/verify test\n");
+    lp1 = (cyg_uint32 *)test_buf1;
+    for (i = 0;  i < CYGNUM_IO_FLASH_TEST_LENGTH;  i += sizeof(cyg_uint32)) {
+        *lp1 = (cyg_uint32)lp1;
+        lp1++;
+    }
+    ok = true;
+    if (ok && (stat = flash_program(flash_test_start, (void *)test_buf1,
+                                    CYGNUM_IO_FLASH_TEST_LENGTH, &err_addr)) != FLASH_ERR_OK) {
+        diag_printf("FLASH: write failed: %s\n", flash_errmsg(stat));
+        ok = false;
+    }    
+    if (ok && (stat = flash_read(flash_test_start, (void *)test_buf2,
+                                    CYGNUM_IO_FLASH_TEST_LENGTH, &err_addr)) != FLASH_ERR_OK) {
+        diag_printf("FLASH: read/verify after write failed: %s\n", flash_errmsg(stat));
+        ok = false;
+    }    
+    lp1 = (cyg_uint32 *)test_buf1;
+    lp2 = (cyg_uint32 *)test_buf2;
+    for (i = 0;  i < CYGNUM_IO_FLASH_TEST_LENGTH;  i += sizeof(cyg_uint32)) {
+        if (*lp2++ != *lp1++) {
+            diag_printf("FLASH: incorrect data found at offset %p\n", (CYG_ADDRWORD)(lp2-1) - test_buf2);
+            diag_dump_buf((void *)(lp2-1), 32);
+            ok = false;
+            break;
+        }
+    }
+    // Try reading in little pieces
+    len = CYGNUM_IO_FLASH_TEST_LENGTH;
+    flash_addr = flash_test_start;
+    lp1 = (cyg_uint32 *)test_buf1;
+    lp2 = (cyg_uint32 *)test_buf2;
+    while (len > 0) {
+        if ((stat = flash_read(flash_addr, lp2, 0x200, &err_addr)) != FLASH_ERR_OK) {
+            diag_printf("FLASH: read[short]/verify after erase failed: %s\n", flash_errmsg(stat));
+            ok = false;
+            break;
+        }    
+        flash_addr = (cyg_uint8 *)flash_addr + 0x200;
+        len -= 0x200;
+        for (i = 0;  i < 0x200;  i += sizeof(cyg_uint32)) {
+            if (*lp2++ != *lp1++) {
+                diag_printf("FLASH: incorrect data found at offset %p\n", 
+                            (cyg_uint8 *)flash_addr + (CYG_ADDRWORD)((lp2-1) - test_buf2));
+                diag_dump_buf((void *)(lp2-1), 32);
+                ok = false;
+                len = 0;
+                break;
+            }
+        }
+    }
+
+    if (!ok) {
+        CYG_TEST_INFO("FLASH write/verify failed");
+    }
+
+    if (passed) {
+        CYG_TEST_PASS_FINISH("FLASH test1");
+    } else {
+        CYG_TEST_FAIL_FINISH("FLASH test1");
+    }
+}
+
+// EOF flash1.c