v1.1.1

bsp/examples_bare/test-dce/test_dce.c

@@ -0,0 +1,157 @@
+/*
+ * Copyright (c) 2024, ArtInChip Technology Co., Ltd
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date         Author          Notes
+ * 2024-09-29   junlong.chen    first implementation.
+ * 2024-09-29   junlong.chen    ArtInChip
+ */
+#include <finsh.h>
+#include <stdlib.h>
+#include <string.h>
+#include <getopt.h>
+#include "aic_core.h"
+#include "aic_log.h"
+#include "hal_dce.h"
+#include "aic_crc32.h"
+
+u8 default_data[] = "It is test data";
+
+static int software_checksum(u8 *buf, u32 size)
+{
+    u32 i, val, sum, rest, cnt;
+	u8 *p;
+	u32 *p32, *pe32;
+
+	p = buf;
+	i = 0;
+	sum = 0;
+	cnt = size >> 2;
+
+	if ((unsigned long)buf & 0x3) {
+		for (i = 0; i < cnt; i++) {
+			p = &buf[i * 4];
+			val = (p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0];
+			sum += val;
+		}
+	} else {
+		p32 = (u32 *)buf;
+		pe32 = p32 + cnt;
+		while (p32 < pe32) {
+			sum += *p32;
+			p32++;
+		}
+	}
+
+	/* Calculate not 32 bit aligned part */
+	rest = size - (cnt << 2);
+	p = &buf[cnt * 4];
+	val = 0;
+	for (i = 0; i < rest; i++)
+		val += (p[i] << (i * 8));
+	sum += val;
+
+	return sum;
+}
+
+static int hardware_checksum(u8 *data, int len)
+{
+    int ret;
+
+    hal_dce_checksum_start(data, len);
+    ret = hal_dce_checksum_wait();
+    if (!ret)
+        return hal_dce_checksum_result();
+    else
+        printf("\t%s error: time out\n", __func__);
+    return 0;
+}
+
+static int hardware_crc32(u8 *data, int len)
+{
+    int ret;
+
+    hal_dce_crc32_start(0, data, len);
+    ret = hal_dce_crc32_wait();
+    if (!ret)
+        return hal_dce_crc32_result();
+    else
+        printf("\t%s error: time out\n", __func__);
+    return 0;
+}
+
+void int_to_bcd(int num, int *bcd) {
+    int index = 0;
+    while (num != 0) {
+        bcd[index] = num % 16;
+        num /= 16;
+        index++;
+    }
+}
+
+static void usage(char *program)
+{
+    printf("Usage:  %s [options]: \n", program);
+    printf("\tParameter 1 is the address of the data to be verified,");
+    printf("\n\tparameter 2 is the length of the data to be verified \n");
+    printf("\n");
+    printf("Example: \n");
+    printf("\t%s 0x80040000 0x100   (test data from ram)\n", program);
+    printf("\t%s                    (test default data)\n", program);
+}
+
+static void cmd_test_dce(int argc, char **argv)
+{
+    int sw_check_sum, sw_crc32, hw_check_sum, hw_crc32, data_len,
+        version[3] = {0};
+    u8 *data;
+
+    if (!(argc == 1 || argc == 3)) {
+        printf("Usage error\n");
+        usage(argv[0]);
+        return;
+    }
+
+    if (argc == 3) {
+        data = (u8 *)strtoul(argv[1], NULL, 0);
+        data_len = strtoul(argv[2], NULL, 0);
+    } else {
+        data = default_data;
+        data_len = sizeof(default_data);
+    }
+
+    if ((u32)data % 4 || data_len % 4) {
+        printf("data and data_len need 4 byte alignment\n");
+        return;
+    }
+
+    hal_dce_init();
+
+    int_to_bcd(hal_get_version(), version);
+    printf("\tDCE version: %d.%d.%d\n", version[2], version[1], version[0]);
+    if (argc == 3)
+        printf("\tdata_addr: 0x%08x, data_len: 0x%08x\n", (int)data, data_len);
+    else
+        printf("\tdata:%s, data_len: 0x%08x\n", data, data_len);
+    sw_check_sum = software_checksum(data, data_len);
+    sw_crc32 = (int)crc32(0, data, data_len);
+    printf("\tsoftware: check_sum 0x%08x, crc32 0x%08x\n", sw_check_sum,
+           sw_crc32);
+
+    hw_check_sum = hardware_checksum(data, data_len);
+    hw_crc32 = hardware_crc32(data, data_len);
+    printf("\thardware: check_sum 0x%08x, crc32 0x%08x\n", hw_check_sum,
+            hw_crc32);
+
+    if (sw_check_sum != hw_check_sum || sw_crc32 != hw_crc32)
+        printf("\tDCE calculate failed\n");
+    else
+        printf("\tDCE calculate OK\n");
+
+    hal_dce_deinit();
+    return;
+}
+
+CONSOLE_CMD(test_dce, cmd_test_dce, "test DCE");