新增软件fft例程

2026-06-04 03:32:56 +00:00 · 2023-03-03 15:46:47 +08:00
parent a04aa30139
commit 620742250b
623 changed files with 433084 additions and 0 deletions
--- a/Example/E15_fft_demo/user/cpu0_main.c
+++ b/Example/E15_fft_demo/user/cpu0_main.c
@@ -0,0 +1,95 @@
+/*********************************************************************************************************************
+* TC264 Opensourec Library <20><><EFBFBD><EFBFBD>TC264 <20><>Դ<EFBFBD>⣩<EFBFBD><E2A3A9>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>ڹٷ<DAB9> SDK <20>ӿڵĵ<DAB5><C4B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4>
+* Copyright (c) 2022 SEEKFREE <20><><EFBFBD>ɿƼ<C9BF>
+*
+* <20><><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD> TC264 <20><>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>
+*
+* TC264 <20><>Դ<EFBFBD><D4B4> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+* <20><><EFBFBD><EFBFBD><EFBFBD>Ը<EFBFBD><D4B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ᷢ<EFBFBD><E1B7A2><EFBFBD><EFBFBD> GPL<50><4C>GNU General Public License<73><65><EFBFBD><EFBFBD> GNUͨ<55>ù<EFBFBD><C3B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><D6A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+* <20><> GPL <20>ĵ<EFBFBD>3<EFBFBD>棨<EFBFBD><E6A3A8> GPL3.0<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD>κκ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>İ汾<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F><><EFBFBD>޸<EFBFBD><DEB8><EFBFBD>
+*
+* <20><><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>ķ<EFBFBD><C4B7><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><CFA3><EFBFBD><EFBFBD><EFBFBD>ܷ<EFBFBD><DCB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κεı<CEB5>֤
+* <20><><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ի<EFBFBD><D4BB>ʺ<EFBFBD><CABA>ض<EFBFBD><D8B6><EFBFBD>;<EFBFBD>ı<EFBFBD>֤
+* <20><><EFBFBD><EFBFBD>ϸ<EFBFBD><CFB8><EFBFBD><EFBFBD><EFBFBD>μ<EFBFBD> GPL
+*
+* <20><>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><D5B5><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>ͬʱ<CDAC>յ<EFBFBD>һ<EFBFBD><D2BB> GPL <20>ĸ<EFBFBD><C4B8><EFBFBD>
+* <20><><EFBFBD><EFBFBD>û<EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><https://www.gnu.org/licenses/>
+*
+* <20><><EFBFBD><EFBFBD>ע<EFBFBD><D7A2><EFBFBD><EFBFBD>
+* <20><><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4>ʹ<EFBFBD><CAB9> GPL3.0 <20><>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>֤Э<D6A4><D0AD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD>İ汾
+* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӣ<EFBFBD>İ<EFBFBD><C4B0><EFBFBD> libraries/doc <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>µ<EFBFBD> GPL3_permission_statement.txt <20>ļ<EFBFBD><C4BC><EFBFBD>
+* <20><><EFBFBD><EFBFBD>֤<EFBFBD><D6A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD> libraries <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>µ<EFBFBD> LICENSE <20>ļ<EFBFBD>
+* <20><>ӭ<EFBFBD><D3AD>λʹ<CEBB>ò<EFBFBD><C3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>޸<EFBFBD><DEB8><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>뱣<EFBFBD><EBB1A3><EFBFBD><EFBFBD><EFBFBD>ɿƼ<C9BF><C6BC>İ<EFBFBD>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+*
+* <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD>          cpu0_main
+* <20><>˾<EFBFBD><CBBE><EFBFBD><EFBFBD>          <20>ɶ<EFBFBD><C9B6><EFBFBD><EFBFBD>ɿƼ<C9BF><C6BC><EFBFBD><EFBFBD>޹<EFBFBD>˾
+* <20>汾<EFBFBD><E6B1BE>Ϣ          <20>鿴 libraries/doc <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD> version <20>ļ<EFBFBD> <20>汾˵<E6B1BE><CBB5>
+* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>          ADS v1.8.0
+* <20><><EFBFBD><EFBFBD>ƽ̨          TC264D
+* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>          https://seekfree.taobao.com/
+*
+* <20>޸ļ<DEB8>¼
+* <20><><EFBFBD><EFBFBD>              <20><><EFBFBD><EFBFBD>                <20><>ע
+* 2022-09-15       pudding            first version
+********************************************************************************************************************/
+#include "zf_common_headfile.h"
+#include "SysSe/Math/Ifx_FftF32.h"
+#pragma section all "cpu0_dsram"
+// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>#pragma section all restore<72><65><EFBFBD><EFBFBD>֮<EFBFBD><D6AE><EFBFBD><EFBFBD>ȫ<EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>CPU0<55><30>RAM<41><4D>
+
+
+#define SAMPLE_FREQUENCY    (0.01)      // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5>  <20><>λ<EFBFBD><CEBB> <20><>
+#define SIZE_N              (2000)        // <20><><EFBFBD><EFBFBD><EFBFBD>ɼ<EFBFBD><C9BC><EFBFBD><EFBFBD><EFBFBD>
+
+
+cfloat32 fft_in [SIZE_N];
+cfloat32 fft_out[SIZE_N];
+uint32   use_time;
+
+// <20><><EFBFBD>̵<EFBFBD><CCB5>뵽<EFBFBD><EBB5BD><EFBFBD><EFBFBD>֮<EFBFBD><D6AE><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6>ѡ<EFBFBD>й<EFBFBD><D0B9><EFBFBD>Ȼ<EFBFBD><C8BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>refreshˢ<68><CBA2>һ<EFBFBD><D2BB>֮<EFBFBD><D6AE><EFBFBD>ٱ<EFBFBD><D9B1><EFBFBD>
+// <20><><EFBFBD><EFBFBD>Ĭ<EFBFBD><C4AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>ر<EFBFBD><D8B1>Ż<EFBFBD><C5BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><D4BC>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><D1A1>properties->C/C++ Build->Setting
+// Ȼ<><C8BB><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><D2B2>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD>C/C++ Compiler->Optimization->Optimization level<65><6C><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ż<EFBFBD><C5BB>ȼ<EFBFBD>
+// һ<><D2BB>Ĭ<EFBFBD><C4AC><EFBFBD>½<EFBFBD><C2BD><EFBFBD><EFBFBD>Ĺ<EFBFBD><C4B9>̶<EFBFBD><CCB6><EFBFBD>Ĭ<EFBFBD>Ͽ<EFBFBD>2<EFBFBD><32><EFBFBD>Ż<EFBFBD><C5BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˴<EFBFBD><CBB4><EFBFBD>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ2<CEAA><32><EFBFBD>Ż<EFBFBD>
+
+// <20><><EFBFBD><EFBFBD>TCϵ<43><CFB5>Ĭ<EFBFBD><C4AC><EFBFBD>ǲ<EFBFBD>֧<EFBFBD><D6A7><EFBFBD>ж<EFBFBD>Ƕ<EFBFBD>׵ģ<D7B5>ϣ<EFBFBD><CFA3>֧<EFBFBD><D6A7><EFBFBD>ж<EFBFBD>Ƕ<EFBFBD><C7B6><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD>ж<EFBFBD><D0B6><EFBFBD>ʹ<EFBFBD><CAB9> interrupt_global_enable(0); <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>Ƕ<EFBFBD><C7B6>
+// <20>򵥵<EFBFBD>˵ʵ<CBB5><CAB5><EFBFBD>Ͻ<EFBFBD><CFBD><EFBFBD><EFBFBD>жϺ<D0B6>TCϵ<43>е<EFBFBD>Ӳ<EFBFBD><D3B2><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> interrupt_global_disable(); <20><><EFBFBD>ܾ<EFBFBD><DCBE><EFBFBD>Ӧ<EFBFBD>κε<CEBA><CEB5>жϣ<D0B6><CFA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><D4BC>ֶ<EFBFBD><D6B6><EFBFBD><EFBFBD><EFBFBD> interrupt_global_enable(0); <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϵ<D0B6><CFB5><EFBFBD>Ӧ<EFBFBD><D3A6>
+
+float x1, x2;
+
+// **************************** <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ****************************
+int core0_main(void)
+{
+    clock_init();                   // <20><>ȡʱ<C8A1><CAB1>Ƶ<EFBFBD><C6B5><<3C><><EFBFBD>ر<EFBFBD><D8B1><EFBFBD>>
+    debug_init();                   // <20><>ʼ<EFBFBD><CABC>Ĭ<EFBFBD>ϵ<EFBFBD><CFB5>Դ<EFBFBD><D4B4><EFBFBD>
+    // <20>˴<EFBFBD><CBB4><EFBFBD>д<EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+
+    for (int i = 0; i < SIZE_N; i ++)  // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD>
+    {
+        // <20><><EFBFBD><EFBFBD> x
+        x1  =  3 * IFX_PI * (float)i * SAMPLE_FREQUENCY;
+        x2  = (7 * IFX_PI * (float)i * SAMPLE_FREQUENCY) + (IFX_PI / 2);
+
+        // <20><><EFBFBD><EFBFBD>x<EFBFBD><78><EFBFBD><EFBFBD>y
+        // <20><><EFBFBD><EFBFBD>Ϊ y = 1024*(cos(3 * pi * x)) + 512 * (cos(7 * pi * x) + pi / 2) + 2047
+        fft_in[i].real = (float32)(1024 * cosf(x1) + 512 * cosf(x2) + 2047);
+        fft_in[i].imag = 0.0;
+    }
+
+    // <20>˴<EFBFBD><CBB4><EFBFBD>д<EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+    cpu_wait_event_ready();         // <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD>к<EFBFBD><D0BA>ĳ<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+    while (TRUE)
+    {
+        // <20>˴<EFBFBD><CBB4><EFBFBD>д<EFBFBD><D0B4>Ҫѭ<D2AA><D1AD>ִ<EFBFBD>еĴ<D0B5><C4B4><EFBFBD>
+
+        system_start();                             // <20><>ʼ<EFBFBD><CABC>ʱ
+        Ifx_FftF32_radix2(fft_out, fft_in, SIZE_N); // <20><><EFBFBD><EFBFBD>FFT<46><54><EFBFBD><EFBFBD> Ifx_FftF32_radix2I ΪIFT<46><54>FFT<46><54><EFBFBD>任<EFBFBD><E4BBBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+        use_time = system_getval_us();              // <20><>ȡ<EFBFBD><C8A1>ʱʱ<CAB1><CAB1>
+        printf("use_time: %ldus\n", use_time);      // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>ӡ, <20><>ӡfftһ<74>κ<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>
+
+        // <20>˴<EFBFBD><CBB4><EFBFBD>д<EFBFBD><D0B4>Ҫѭ<D2AA><D1AD>ִ<EFBFBD>еĴ<D0B5><C4B4><EFBFBD>
+    }
+}
+
+#pragma section all restore
+// **************************** <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ****************************
+