Initial import of NFC GNSS SDK project

ql-application/threadx/interface/fpu/Makefile

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+
+#-------------------------------------------------------------------------------
+# Configure variable
+#-------------------------------------------------------------------------------
+TOP_DIR:=$(TOP_DIR)
+ROOT_DIR:=$(TOP_DIR)/../..
+MAKEFILE_PATH :=$(subst $(strip \),/,$(abspath $(lastword $(MAKEFILE_LIST))))
+
+
+#-------------------------------------------------------------------------------
+# Configure source code files
+#-------------------------------------------------------------------------------
+SRC_FILES+= \
+  example_fpu.c \
+
+
+#-------------------------------------------------------------------------------
+# the include directories
+#-------------------------------------------------------------------------------
+INC_DIRS+= \
+  -I${TOP_DIR}/ \
+  -I${TOP_DIR}/common/include \
+
+
+#-------------------------------------------------------------------------------
+# Configure compile flag for C
+#-------------------------------------------------------------------------------
+U_FLAGS:=
+
+#-------------------------------------------------------------------------------
+# Configure compile flag for C++
+#-------------------------------------------------------------------------------
+U_CPPFLAGS:=
+
+#-------------------------------------------------------------------------------
+# Configure default macro define
+#-------------------------------------------------------------------------------
+DFLAGS+= \
+  -D__TM_ZONE=tm_zone \
+  -D__TM_GMTOFF=tm_gmtoff \
+
+
+#-------------------------------------------------------------------------------
+# Configure link library
+#-------------------------------------------------------------------------------
+U_LIBS:=
+
+#-------------------------------------------------------------------------------
+# include mk file
+#-------------------------------------------------------------------------------
+include ${TOP_DIR}/config/common/makefile.mk

ql-application/threadx/interface/fpu/example_fpu.c

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+/*================================================================
+  Copyright (c) 2021, Quectel Wireless Solutions Co., Ltd. All rights reserved.
+  Quectel Wireless Solutions Proprietary and Confidential.
+=================================================================*/
+
+#include <stdio.h>
+#include <math.h>
+#include <float.h> // For constants like DBL_MAX
+#include "ql_application.h"
+#include "ql_rtos.h"
+
+static unsigned char isDcsMode = 1; //DCS mode as default
+
+static int fpu_instruction_set_test(void)
+{
+    float a = 1.5f;
+    float b = 2.5f;
+    float result;
+
+    // test add
+    result = a + b;
+    printf("Addition: %f + %f = %f\n", a, b, result);
+
+    // test subtration
+    result = a - b;
+    printf("Subtraction: %f - %f = %f\n", a, b, result);
+
+    // test multiplication
+    result = a * b;
+    printf("Multiplication: %f * %f = %f\n", a, b, result);
+
+    // test devision
+    result = a / b;
+    printf("Division: %f / %f = %f\n", a, b, result);
+
+    // test sqrt
+    result = sqrt(b);
+    printf("Square Root: sqrt(%f) = %f\n", b, result);
+
+    // test sin
+    result = sin(a);
+    printf("Sine: sin(%f) = %f\n", a, result);
+
+    // test cos
+    result = cos(b);
+    printf("Cosine: cos(%f) = %f\n", b, result);
+
+    return 0;
+}
+
+#define NUM_OPERATIONS 10000000
+static int fpu_performance_test(void)
+{
+    unsigned int start, end;
+	// note: add volatile to avoid compiler optimization
+    volatile double cpu_time_used;
+    volatile double result = 1.0;
+    volatile double operand = 1.000001;
+    #define FREQ_S   ((isDcsMode == 1) ? (32768) : (32787))
+    int i;
+
+    // test float add performance
+    start = ql_rtc_get_ticks();
+    for (i = 0; i < NUM_OPERATIONS; i++) {
+        result += operand;
+    }
+    end = ql_rtc_get_ticks();
+    cpu_time_used = ((double) (end - start)) / FREQ_S;
+    printf("Time taken for addition: %f seconds\n", cpu_time_used);
+
+    result = 1.0;
+
+    // test float multiplication performance
+    start = ql_rtc_get_ticks();
+    for (i = 0; i < NUM_OPERATIONS; i++) {
+        result *= operand;
+    }
+    end = ql_rtc_get_ticks();
+    cpu_time_used = ((double) (end - start)) / FREQ_S;
+    printf("Time taken for multiplication: %f seconds\n", cpu_time_used);
+
+    return 0;
+}
+
+static int fpu_precision_test(void)
+{
+    double a = 0.1;
+    double b = 0.2;
+    double c = 0.3;
+
+    // test add precision
+    double sum = a + b;
+    if (fabs(sum - c) < 1e-9) {
+        printf("Addition precision test passed.\n");
+    } else {
+        printf("Addition precision test failed: Expected 0.3, got %f\n", sum);
+    }
+
+    // test multiplication precision
+    double a_mul = 123456789.1;
+    double b_mul = 1e-8;
+    double expected_mul_result = 1.234567891;
+    double mul_result = a_mul * b_mul;
+
+    if (fabs(mul_result - expected_mul_result) < 1e-9) {
+        printf("Multiplication precision test passed.\n");
+    } else {
+        printf("Multiplication precision test failed: Expected %f, got %f\n", expected_mul_result, mul_result);
+    }
+
+    return 0;
+}
+
+//fpu_test_case
+void fpu_test_case(void)
+{
+	while(1)
+	{
+		fpu_instruction_set_test();
+		fpu_performance_test();
+		fpu_precision_test();
+		ql_rtos_task_sleep_s(3);
+	}
+}
+
+//application_init(fpu_test_case,"fpu_test_case",2, 0);
+