Diff: ad5422_arduino.cpp

Revision:

0:9a5218876095

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ad5422_arduino.cpp	Mon Jun 22 09:52:01 2020 +0000
@@ -0,0 +1,145 @@
+#include "ad5422_arduino.h"
+#include "PGA280.h"
+#include <math.h>
+#include "PerifConfig.h"
+#include <stdbool.h>
+
+
+void ad5422_resetDevice (  unsigned char adr )
+{
+    pga280_setAdress ( adr );
+    ADS1259_RESET = 0;
+    
+    wait_ms ( 1 );                            // ??? 1 Mhz 70
+    
+    ADS1259_RESET = 1;
+    pga280_resetAdress ();
+}
+
+void ad5422_powerDownDevice ( unsigned char adr )
+{
+    pga280_setAdress ( adr );
+    
+    ADS1259_RESET = 0;
+    
+    pga280_resetAdress ();
+}
+
+void ad5422_powerUpDevice ( unsigned char adr )
+{
+    pga280_setAdress ( adr );
+    
+    ADS1259_RESET = 1;
+    
+    pga280_resetAdress ();
+}
+
+char ad5422_readyDevice ( unsigned char ch )
+{
+    char tmp;
+    
+    pga280_setAdress ( ch );
+    
+    if ( CRDYA == 0 )
+        tmp = true;
+    else
+        tmp = false;
+    
+    pga280_resetAdress ();
+    
+    return tmp;
+}
+
+char ad5422_sendCommandDevice ( unsigned char reg, unsigned char high_byte, unsigned char low_byte, unsigned char adr )
+{
+    pga280_setAdress ( adr );
+    
+    CS = 0;    
+    SPI1MasterTransferByte ( reg );
+    SPI1MasterTransferByte( high_byte );
+    SPI1MasterTransferByte( low_byte );    
+    CS = 1;
+    
+   pga280_resetAdress ();
+    
+  return true;
+}
+
+uint32_t ad5422_readReg ( unsigned char reg, unsigned char adr )
+{    
+    union {
+    struct {
+        uint8_t
+        b0,
+        b1,
+        b2;
+    };
+    uint32_t data;
+    }read;
+  
+    pga280_setAdress ( adr );
+    CS = 0;
+  
+    SPI1MasterTransferByte( AD5422_READBACK );
+    SPI1MasterTransferByte( 0x00 );
+    SPI1MasterTransferByte( reg );
+
+    read.b0 = SPI1MasterReadByte();
+    read.b1 = SPI1MasterReadByte();
+    read.b2 = SPI1MasterReadByte();    
+    
+    CS = 1;
+    pga280_resetAdress ();
+    
+    return read.data;
+}
+
+unsigned int ad5422_setRegisters ( void )
+{
+    ad5422_sendCommandDevice ( AD5422_REG_RESET, 0x00, 0x01, AD5422_ADR );    
+    ad5422_sendCommandDevice ( AD5422_REG_CONTROL, 0x30, 0b00000001, AD5422_ADR );
+    return 1;
+}
+
+unsigned int ad5422_setRegistersChannal ( char channal )
+{
+    int i;
+    
+    for ( i = 0; i < channal; i++ )
+        ad5422_sendCommandDevice ( AD5422_REG_RESET, 0x00, 0x01, AD5422_ADR );
+    
+    wait_ms (1);
+    
+    for ( i = 0; i < channal; i++ )
+        ad5422_sendCommandDevice ( AD5422_REG_CONTROL, 0x00, 0x08, AD5422_ADR );
+    
+    wait_ms (1);
+    
+    for ( i = 0; i < channal; i++ )
+        ad5422_sendCommandDevice ( AD5422_REG_CONTROL, 0x30, 0x09, AD5422_ADR );
+    
+    wait_ms (1);
+    
+    return 1;
+}
+
+unsigned char ad5422_setVoltageChannal ( float voltage, char channal )
+{    
+    unsigned long tmp;
+    float v_ref = 5.2;
+    unsigned char gain = 2;
+    unsigned int value_output;
+    unsigned char value_output_high;
+    unsigned char value_output_low;
+    int i;
+    
+    tmp = ( voltage / ( v_ref * gain ) ) * 0xFFFF; 
+    value_output = ( v_ref * gain ) - tmp;
+    value_output_high = ( value_output >> 8 ) * 0xFF;
+    value_output_low = value_output * 0xFF;
+    
+    for ( i = 0; i < channal; i++ )
+        ad5422_sendCommandDevice ( AD5422_REG_DATA, value_output_high, value_output_low, AD5422_ADR );
+    
+    return (0);
+}