void main (void)
{
LPLD_Touchscreen_Init(); //初始化SPI
while(1)
{
X_Positon=LPLD_Touchscreen_GetResult(LPLD_SER_SAMPLE_X);
Y_Positon=LPLD_Touchscreen_GetResult(LPLD_SER_SAMPLE_Y);
printf("X,Y:\t%d\t%d\r\n",X_Positon, Y_Positon);
LPLD_LPTMR_DelayMs(100);
}
}
void main (void)
{
/*开硬件浮点*/
SCB->CPACR |=((3UL << 10*2)|(3UL << 11*2)); /* set CP10 and CP11 Full Access */
uint16 flag;
uint16 i,j;
DisableInterrupts;
LCD_init(1);
Disp_single_colour(Black);
LCD_PutString(10, 50,"Frequency: ", White, Black);
LCD_PutString(145, 50," KHz", White, Black);
LCD_PutString(10, 80,"Power: ", White, Black);
LCD_PutString(145, 80," W", White, Black);
LCD_PutString(10, 110,"Amplify: ", White, Black);
LCD_PutString(165, 110,"Restrain: ", White, Black);
init_ADC();
init_DAC();
init_DMA();
init_PDB();
init_PIT();
init_gpio_PE24();
EnableInterrupts;
LPLD_LPTMR_DelayMs(100);
flag = Result_flag;
uint16 ShowAFlag = 0;
uint16 ShowBFlag = 0;
uint16 ShowCFlag = 0;
arm_fir_init_f32(&S, NUM_TAPS, (float32_t *)&firCoeffs32[0], &firStateF32[0], blockSize);
while(1)
{
if( flag==Result_flag && Result_flag == 0)
{
if(++ShowAFlag<10)
{
for(j = 0;j<LENGTH;j++)
testInput_x[j*2] = Result_A[j];
for(j = 0;j<LENGTH;j++)
testInput_x[j*2+1] = 0;
arm_cfft_f32(&arm_cfft_sR_f32_len2048, testInput_x, ifftFlag, doBitReverse);
/* Process the data through the Complex Magnitude Module for
calculating the magnitude at each bin */
arm_cmplx_mag_f32(testInput_x, testOutput, fftSize);
testOutput[0] = 0;
/* Calculates maxValue and returns corresponding BIN value */
arm_max_f32(testOutput, fftSize, &maxValue, &testIndex);
}
else
{
ShowAFlag = 0;
if(starfir !=2 )
LCD_Put_Float(100, 50,"",testIndex*40.0/2048, White, Black);
}
if(starfir == 1)
{
PTE24_O = 1;
for(j = 0;j<LENGTH;j++)
firInput[j] = Result_A[j];
inputF32 = &firInput[0];
outputF32 = &firOutput[0];
for(i=0; i < numBlocks; i++)
arm_fir_f32(&S, inputF32 + (i * blockSize), outputF32 + (i * blockSize), blockSize);
for(j = 0;j<LENGTH;j++)
Result_A[j] = firOutput[j];
PTE24_O = 0;
}
flag = 1;
}
else if(flag==Result_flag && Result_flag == 1)
{
if(starfir !=2 )
{
if(++ShowBFlag<10)
{
power = 0;
for(i=0;i<LENGTH;i++)
power+=((Result_B[i] - OFFEST)/1241.0)*((Result_B[i] - OFFEST)/1241.0)*90*MyDb/8.0;
power = power/LENGTH;
}
else
{
ShowBFlag = 0;
LCD_Put_Float(100, 80,"",power, White, Black);
}
}
else
{
for(i = 0;i<160;i++)
{
FFT_RESULT_NEW[i] = testOutput[i*6]/FFT_VALUE;
if(FFT_RESULT_NEW[i]>239) FFT_RESULT_NEW[i] = 239;
}
}
// {
// for(j = 0;j<LENGTH;j++)
// testInput_x[j*2] = Result_B[j];
// for(j = 0;j<LENGTH;j++)
// testInput_x[j*2+1] = 0;
//
// arm_cfft_f32(&arm_cfft_sR_f32_len2048, testInput_x, ifftFlag, doBitReverse);
//
// /* Process the data through the Complex Magnitude Module for
// calculating the magnitude at each bin */
// arm_cmplx_mag_f32(testInput_x, testOutput, fftSize);
//
// testOutput[0] = 0;
// /* Calculates maxValue and returns corresponding BIN value */
// arm_max_f32(testOutput, fftSize, &maxValue, &testIndex);
// }
if(starfir == 1)
{
PTE24_O = 1;
for(j = 0;j<LENGTH;j++)
firInput[j] = Result_B[j];
inputF32 = &firInput[0];
outputF32 = &firOutput[0];
for(i=0; i < numBlocks; i++)
arm_fir_f32(&S, inputF32 + (i * blockSize), outputF32 + (i * blockSize), blockSize);
for(j = 0;j<LENGTH;j++)
Result_B[j] = firOutput[j];
PTE24_O = 0;
}
flag = 2;
}
else if(flag==Result_flag && Result_flag == 2)
{
//
// {
// for(j = 0;j<LENGTH;j++)
// testInput_x[j*2] = Result_C[j];
// for(j = 0;j<LENGTH;j++)
// testInput_x[j*2+1] = 0;
//
// arm_cfft_f32(&arm_cfft_sR_f32_len2048, testInput_x, ifftFlag, doBitReverse);
//
// /* Process the data through the Complex Magnitude Module for
// calculating the magnitude at each bin */
// arm_cmplx_mag_f32(testInput_x, testOutput, fftSize);
//
// testOutput[0] = 0;
// /* Calculates maxValue and returns corresponding BIN value */
// arm_max_f32(testOutput, fftSize, &maxValue, &testIndex);
// }
if(starfir == 1)
{
// PTE24_O = 1;
for(j = 0;j<LENGTH;j++)
firInput[j] = Result_C[j];
inputF32 = &firInput[0];
outputF32 = &firOutput[0];
for(i=0; i < numBlocks; i++)
arm_fir_f32(&S, inputF32 + (i * blockSize), outputF32 + (i * blockSize), blockSize);
for(j = 0;j<LENGTH;j++)
Result_C[j] = firOutput[j];
// PTE24_O = 0;
}
if(starfir != 2)
{
if(++ShowCFlag<5)
{
}
else
{
if(ShowMenu)
{
Disp_single_colour(Black);
LCD_PutString(10, 50,"Frequency: ", White, Black);
LCD_PutString(145, 50," KHz", White, Black);
LCD_PutString(10, 80,"Power: ", White, Black);
LCD_PutString(145, 80," W", White, Black);
LCD_PutString(10, 110,"Amplify: ", White, Black);
LCD_PutString(165, 110,"Restrain: ", White, Black);
ShowMenu = 0;
}
LCD_Put_Float(100, 110,"",MyDb/0.5, White, Black);
if(starfir)
LCD_PutString(260, 110,"On ", White, Black);
else
LCD_PutString(260, 110,"Off", White, Black);
}
}
else
{
if(ShowMenu)
{
Disp_single_colour(Black);
ShowMenu = 0;
}
draw_fft();
}
flag = 0;
}
}
}
/*键盘扫描程序*/
int key_scan(void)
{
Row0=1;Row1=1;Row2=1;Row3=1;
if(Column0 || Column1 || Column2|| Column3)
{
LPLD_LPTMR_DelayMs(10);//10ms延时
if(Column0 || Column1 || Column2|| Column3)
{
Row0=1;Row1=0;Row2=0;Row3=0;//判断第一行
if(Column0 || Column1 || Column2|| Column3)
{
if(Column0)
{
while(Column0);
return 1;
}
else if(Column1)
{
while(Column1);
return 2;
}
else if(Column2)
{
while(Column2);
return 3;
}
else if(Column3)
{
while(Column3);
return 10;
}
else
return 16;
}
Row0=0;Row1=1;Row2=0;Row3=0;//判断第二行
if(Column0 || Column1 || Column2|| Column3)
{
if(Column0)
{
while(Column0);
return 4;
}
else if(Column1)
{
while(Column1);
return 5;
}
else if(Column2)
{
while(Column2);
return 6;
}
else if(Column3)
{
while(Column3);
return 11;
}
else
return 16;
}
Row0=0;Row1=0;Row2=1;Row3=0;//判断第三行
if(Column0 || Column1 || Column2|| Column3)
{
if(Column0)
{
while(Column0);
return 7;
}
else if(Column1)
{
while(Column1);
return 8;
}
else if(Column2)
{
while(Column2);
return 9;
}
else if(Column3)
{
while(Column3);
return 12;
}
else
return 16;
}
Row0=0;Row1=0;Row2=0;Row3=1;//判断第四行
if(Column0 || Column1 || Column2|| Column3)
{
if(Column0)
{
while(Column0);
return 0;
}
else if(Column1)
{
while(Column1);
return 13;
}
else if(Column2)
{
while(Column2);
return 14;
}
else if(Column3)
{
while(Column3);
return 15;
}
else
return 16;
}
}
else
return 16;
}
else
return 16;
}
