#include?“common.h“
#include?“include.h“
int?flag?=?0;
q15_t?input1[2048];
q15_t?Display_table[1024];
q15_t?Display_table2[2048];
//函數聲明
extern?void?PIT0_IRQHandler（void）;
void?main（）
{???dac_init（DAC0）;
????LCD_Init（）;
????????float?val?=?0;
????uint16?result;
????TLV5618_Init（）;
????led_init（LED0）;?????????????????????????????????????????//初始化LED0，PIT0中斷用到LED0
????adc_init（ADC1_SE15）;
????uint32_t?fftSize?=?1024;
????pit_init_us（PIT0?5）;???????????????????????????????//初始化PIT0，定時時間為：?25us
????set_vector_handler（PIT0_VECTORn??PIT0_IRQHandler）;?????//設置PIT0的中斷服務函數為?PIT0_IRQHandler
????enable_irq?（PIT0_IRQn）;?????????????????????????????????//使能PIT0中斷
????while（1）
????{
????????if?（flag）
????????{
????????????
????????????q15_t?maxValue?=?0;
????????????uint32_t?testIndex?=?0;
????????????led_turn（LED0）;
????????????uint32_t?ifftFlag?=?0;
????????????uint32_t?doBitReverse?=?1;
????????????arm_cfft_radix4_instance_q15?S1;
????????????arm_iir_lattice_instance_q15?S2;?
????????????arm_status?status;
????????????//初始化CFFT/CIFFT單元
??????????//??arm_iir_lattice_init_q15（&S22ar[2]ar[3]ar[5]fftSize*2）;?
????????????arm_cfft_radix4_init_q15（&S1?fftSize?ifftFlag?doBitReverse）;
????????????//通過CFFT/CIFFT單元處理數據
????????????disable_irq（PIT0_IRQn）;
????????????dac_out（DAC0（uint16）0）;??
????????????arm_cfft_radix4_q15（&S1?input1）;
????????????//?arm_cfft_radix4_q31（&S?Buffer）;
????????????input1[0]?=?0;
????????????input1[1]?=?0;?//強制去除直流分量
????????????arm_abs_q15（input1?Display_table?fftSize）;
????????????arm_max_q15（Display_table?fftSize?&maxValue?&testIndex）;
????????????enable_irq?（PIT0_IRQn）;
????????????arm_iir_lattice_q15（&S2input1Display_table2fftSize*2）;?
????????????LCD_num（0?0?maxValue）;
????????????LCD_num（1?1?testIndex?*?50）;
????????????flag?=?0;?????????
????????????

???????????//?Write_A_B（0x0fff0x0fffChannal_AB1）;
????????????//enable_irq?（PIT0_IRQn）;

????????}
????}
}

/*!
?*??@brief??????PIT0中斷服務函數
?*??@since??????v5.0
?*/

int?ij?=?0;
void?PIT0_IRQHandler（void）
{
????//led_turn（LED0）;?????????????//閃爍?LED0
????if?（flag?==?0）?
????{
????input1[ij++]?=?adc_once（?ADC1_SE15?ADC_12bit）;
?????dac_out（DAC0（uint16）input1[ij-1]）;??
????}
????if?（ij?==?2048）
????{
????????ij?=?0;
????????flag?=?1;
????}
????else?flag?=?0;
????PIT_Flag_Clear（PIT0）;???????//清中斷標志位
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-08-09?21:08??K60FFT\
?????目錄???????????0??2014-08-12?00:33??K60FFT\App\
?????目錄???????????0??2014-08-11?14:03??K60FFT\App\Inc\
?????文件?????????884??2014-08-11?14:03??K60FFT\App\Inc\include.h
?????文件?????????920??2013-10-23?11:58??K60FFT\App\Inc\MK60_it.h
?????文件????????2485??2014-08-12?00:33??K60FFT\App\main.c
?????文件?????????469??2013-10-23?11:58??K60FFT\App\MK60_it.c
?????文件???????????0??2014-08-10?14:19??K60FFT\App\shu.h
?????目錄???????????0??2014-08-09?21:07??K60FFT\Board\
?????目錄???????????0??2014-08-11?15:45??K60FFT\Board\inc\
?????文件????????1901??2013-10-08?16:03??K60FFT\Board\inc\FIRE_key.h
?????文件?????????968??2013-10-07?22:59??K60FFT\Board\inc\FIRE_LED.H
?????文件????????3954??2014-08-11?15:45??K60FFT\Board\inc\FIRE_MK60_conf.h
?????文件????????3451??2013-09-29?12:37??K60FFT\Board\inc\FIRE_MMA7455.h
?????文件????????1867??2013-10-23?10:33??K60FFT\Board\inc\FIRE_NRF24L0.h
?????文件????????5212??2013-10-23?11:58??K60FFT\Board\inc\FIRE_PORT_cfg.h
?????文件?????????646??2014-08-10?09:52??K60FFT\Board\inc\LQ12864.h
?????文件?????????378??2014-08-11?13:54??K60FFT\Board\inc\tlv5618.h
?????目錄???????????0??2014-08-11?14:07??K60FFT\Board\src\
?????文件????????7532??2013-10-29?11:08??K60FFT\Board\src\FIRE_key.c
?????文件????????1682??2014-08-09?21:27??K60FFT\Board\src\FIRE_LED.C
?????文件???????11265??2013-10-23?11:58??K60FFT\Board\src\FIRE_MK60_conf.c
?????文件????????1946??2013-10-23?11:58??K60FFT\Board\src\FIRE_MMA7455.c
?????文件???????18920??2013-11-17?21:45??K60FFT\Board\src\FIRE_NRF24L0.c
?????文件???????28704??2014-08-10?15:03??K60FFT\Board\src\LQ12864.c
?????文件????????2153??2014-08-11?14:07??K60FFT\Board\src\tlv5618.c
?????目錄???????????0??2014-08-09?21:07??K60FFT\Chip\
?????目錄???????????0??2014-08-09?21:33??K60FFT\Chip\inc\
?????文件???????25253??2013-11-12?15:34??K60FFT\Chip\inc\common.h
?????目錄???????????0??2014-08-09?21:07??K60FFT\Chip\inc\IAR\
?????文件?????????304??2013-09-29?12:37??K60FFT\Chip\inc\IAR\iar.h
............此處省略203個文件信息