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Adding dual channel to scope example, fixing logic and QT source code.

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This commit is contained in:
Juan64Bits
2010-04-09 10:39:15 -05:00
parent 168c584b06
commit beca2e0bd3
36 changed files with 220 additions and 717 deletions
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76
Examples/ADC/Scope-QT-src/ADCw.cpp Normal file
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#include "ADCw.h"
ADCw::ADCw()
{
BUFFER_OFFSET = 8;
ADC_SPI_CLKDIV=ADC_SPI_CLKDIV_MAX; //Set clock to minimum speed
BUFFER_LEN=10;
ADCBuffer = jz_adc_init();
//Clean FPGA RAM memory
for (int i = 0; i < 512; i++) //RAMB16_s9_s9 has 2048 bytes 8-bit
{
ADCBuffer[i] = 0x00000000; //Clean 4 register by cicle
}
adcConfig(ADC_CMD_SET_SPI_CLKDIV);
adcConfig(ADC_CMD_SET_FAST_CONV);
printf("\nADC in Fast Convertion Mode (10us) and Fs=9.8KHz (Min)\n");
}
void ADCw::testADC()
{
/******************************* TEST 1 ***********************************/
printf("\nINIT TEST1: Autoselft {(Vref+) - (Vref-)}/2 -> Return 0x0200 \n");
adcConfig(ADC_CMD_SET_AUTOSELFT_1);
adcConfig(ADC_CMD_READ_AUTOSELFT_1);
while(adcCheckBufferFull())usleep (10);
for(int i=BUFFER_OFFSET; i< BUFFER_LEN/2+BUFFER_OFFSET; i++)
printf("[%08X]", ADCBuffer[i]);
fflush (stdout);
/******************************* TEST 2 ***********************************/
printf("\n\nINIT TEST2: Autoselft (Vref-) -> Return 0x0000 \n");
adcConfig(ADC_CMD_SET_AUTOSELFT_2);
adcConfig(ADC_CMD_READ_AUTOSELFT_2);
while(adcCheckBufferFull())usleep (10);
for(int i=BUFFER_OFFSET; i< BUFFER_LEN/2+BUFFER_OFFSET; i++)
printf("[%08X]", ADCBuffer[i]);
fflush (stdout);
/******************************* TEST 3 ***********************************/
printf("\n\nINIT TEST3: Autoselft (Vref+) -> Return 0x03FF \n");
adcConfig(ADC_CMD_SET_AUTOSELFT_3);
adcConfig(ADC_CMD_READ_AUTOSELFT_3);
for(int i=BUFFER_OFFSET; i< BUFFER_LEN/2+BUFFER_OFFSET; i++)
printf("[%08X]", ADCBuffer[i]);
fflush (stdout);
printf("\n\nTESTS complete\n");
}
void ADCw::powerDownADC()
{
adcConfig(ADC_CMD_SET_POWER_DOWN);
printf("\nADC in Power Down Mode \n");
}
JZ_REG* ADCw::takeSamplesADC(int CHANNEL)
{
adcConfig(ADC_CMD_SET_CHANNEL0+CHANNEL);
adcConfig(ADC_CMD_READ_CHANNEL0+CHANNEL);
while(adcCheckBufferFull())usleep (10);
return (JZ_REG*)(ADCBuffer+BUFFER_OFFSET);
}
void ADCw::adcConfig(uchar CMD)
{
ADCBuffer[0] = ((BUFFER_LEN+(BUFFER_OFFSET-1)*2) << 16) + (ADC_SPI_CLKDIV<<8) + CMD;
usleep (100);
}
int ADCw::adcCheckBufferFull()
{
return ADCBuffer[0]&0x20;
}