LPC1788 ADC and DAC use

#ifndef __adc1_h_

#define __adc1_h_

#include "Common.h"

#include "Delay.h"

void Adc_init(u8 ch,U8 div);

U16 Adc_cover(u8 ch);

#endif

#include "Adc1.h"

void Adc_init(u8 ch,u8 div)//MAX clock must not be greater than 12.4M

{

Opening the ADC and IO port clocks

LPC_SC, Pconp |= (1<<) | ( 1<<);

Switch (ch)

{

case 0:

Lpc_iocon-p0_23 = 0x00;

Lpc_iocon, p0_23 |= (1<<0) | ( 1<<8) | (1<<); No filter analog ADC open-drain

Break ;

Case 1:

Lpc_iocon-p0_24 = 0x00;

Lpc_iocon, p0_24 |= (1<<0) | ( 1<<8) | (1<<); No filter analog ADC open-drain

Break ;

Case 2:

Lpc_iocon-p0_25 = 0x00;

Lpc_iocon, p0_25 |= (1<<0) | ( 1<<8) | (1<<); No filter analog ADC open-drain

Break ;

Case 3:

Lpc_iocon-p0_26 = 0x00;

Lpc_iocon, p0_26 |= (1<<0) | ( 1<<8) | (1<<); No filter analog ADC open-drain

Break ;

Case 4:

Lpc_iocon-p0_30 = 0x00;

Lpc_iocon, p0_30 |= (3<<0) | ( 1<<8) | (1<<); No filter analog ADC open-drain

Break ;

Case 5:

Lpc_iocon-p0_31 = 0x00;

Lpc_iocon, p0_31 |= (3<<0) | ( 1<<8) | (1<<); No filter analog ADC open-drain

Break ;

Case 6:

Lpc_iocon-P0_12 = 0x00;

Lpc_iocon, P0_12 |= (3<<0) | ( 1<<8) | (1<<); No filter analog ADC open-drain

Break ;

Case 7:

Lpc_iocon-p0_13 = 0x00;

Lpc_iocon, p0_13 |= (3<<0) | ( 1<<8) | (1<<); No filter analog ADC open-drain

Break ;

}

LPC_ADCCR = 0x00;

LPC_ADCCR |= (1<<ch) | ( Div<<8) | (1<<); Working with irregular transitions and selecting response channels

LPC_ADC-Inten = 0x00; Disable all interrupts

}

U16 Adc_cover(u8 ch)

{

U16 Temp;

LPC_ADCCR &= ~ (0x000000ff);

LPC_ADCCR |= (1<<ch);

LPC_ADCCR |= 1<<; Start conversion

while (!( GDR &, LPC_ADC (1u<<)); Wait for conversion to end

Temp = (U16) (lpc_adc,GDR & 0x00000fff0) > >4);

return temp;

}

#ifndef __adc_h_

#define __adc_h_

#include "Common.h"

#define DAC_IO_CON lpc_iocon->p0_26

void Dac_init(void);

void Dac_set_value(U16 value);

#endif

#include "dac.h"

void Dac_init(void)

{

IO Port Initialization

Dac_io_con = 0x00;

Dac_io_con |= (2<<0) | ( 1<<)/*| (1<<10) */; Enable DAC

Lpc_dacCTRL = 0x00; Dual buffering Disable, timeout disable DMA disable

Lpc_dacCR = 1<<;

Lpc_dac->cntval = 100;

}

void Dac_set_value(U16 value)

{

if (value > 1024x768)

{

return ;

}

Else

{

Lpc_dacCR = (U16) ((1<<) | ( Value<<6));

}

}

LPC1788 ADC and DAC use