Mederic Melard
ADS1246/7/8 24bit ADC converter for Temperature Sensors class
ADS1248 Class Reference
#include <ADS1248.h>
Public Types | |
| enum | reg |
register name list of ADS1248 More... | |
| enum | cmd |
commande list of ADS1248 More... | |
Public Member Functions | |
| ADS1248 (SPI &spi, PinName cs, PinName rdy, PinName start=NC) | |
| Create ADS1248 instance. | |
| void | start (bool en) |
| Access to output start pin. | |
| void | waitReady (void) |
| Wait ADS1248 to be ready (pooling method) | |
| void | sleep (bool en) |
| Sleep cmd of ADS1248 (ask waitReady) | |
| void | sync (void) |
| Synchronisation cmd of ADS1248. | |
| void | reset (void) |
| Reset cmd of ADS1248. | |
| int | read (void) |
| Read data when conversion was finished (ask waitReady) | |
| operator int () | |
| Ask read. | |
| unsigned char | readReg (unsigned char reg) |
| Read ADS1248 register. | |
| void | readReg (unsigned char reg, unsigned char *buff, int len) |
| Read ADS1248 registers. | |
| void | writeReg (unsigned char reg, unsigned char val) |
| Write ADS1248 register. | |
| void | writeReg (unsigned char reg, const unsigned char *buff, int len) |
| Write ADS1248 registers. | |
| void | systemOffsetCal (void) |
| System Offset Calibration cmd of ADS1248 (ask waitReady) | |
| void | systemGainCal (void) |
| System Gain Calibration cmd of ADS1248 (ask waitReady) | |
| void | selfOffsetCal (void) |
| Self Offset Calibration cmd of ADS1248 (ask waitReady) | |
Detailed Description
ADS1248 class.
Used for read ADS1248/7/6 Temperature ADC
Definition at line 9 of file ADS1248.h.
Member Enumeration Documentation
Constructor & Destructor Documentation
| ADS1248 | ( | SPI & | spi, |
| PinName | cs, | ||
| PinName | rdy, | ||
| PinName | start = NC |
||
| ) |
Create ADS1248 instance.
- Parameters:
-
SPI SPI bus to use cs pin to connect at CS input rdy pin connect at !rdy output start pin connect at start inpout (pullup if unused)
Definition at line 8 of file ADS1248.cpp.
Member Function Documentation
| operator int | ( | ) |
| int read | ( | void | ) |
Read data when conversion was finished (ask waitReady)
- Returns:
- 24bit data 2's complement
Definition at line 60 of file ADS1248.cpp.
| unsigned char readReg | ( | unsigned char | reg ) |
Read ADS1248 register.
- Parameters:
-
reg is register address
- Returns:
- register value
Definition at line 95 of file ADS1248.cpp.
| void readReg | ( | unsigned char | reg, |
| unsigned char * | buff, | ||
| int | len | ||
| ) |
Read ADS1248 registers.
- Parameters:
-
reg is first register address buff pointer on buffer to write len lenght of data to read
Definition at line 82 of file ADS1248.cpp.
| void reset | ( | void | ) |
Reset cmd of ADS1248.
Definition at line 49 of file ADS1248.cpp.
| void selfOffsetCal | ( | void | ) |
Self Offset Calibration cmd of ADS1248 (ask waitReady)
Definition at line 138 of file ADS1248.cpp.
| void sleep | ( | bool | en ) |
Sleep cmd of ADS1248 (ask waitReady)
- Parameters:
-
en for wakeup or sleep
Definition at line 29 of file ADS1248.cpp.
| void start | ( | bool | en ) |
Access to output start pin.
- Parameters:
-
en start pin state
Definition at line 20 of file ADS1248.cpp.
| void sync | ( | void | ) |
Synchronisation cmd of ADS1248.
Definition at line 39 of file ADS1248.cpp.
| void systemGainCal | ( | void | ) |
System Gain Calibration cmd of ADS1248 (ask waitReady)
Definition at line 128 of file ADS1248.cpp.
| void systemOffsetCal | ( | void | ) |
System Offset Calibration cmd of ADS1248 (ask waitReady)
Definition at line 118 of file ADS1248.cpp.
| void waitReady | ( | void | ) |
Wait ADS1248 to be ready (pooling method)
Definition at line 24 of file ADS1248.cpp.
| void writeReg | ( | unsigned char | reg, |
| const unsigned char * | buff, | ||
| int | len | ||
| ) |
Write ADS1248 registers.
- Parameters:
-
reg is first register address buff pointer on buffer to read len lenght of data to write
Definition at line 101 of file ADS1248.cpp.
| void writeReg | ( | unsigned char | reg, |
| unsigned char | val | ||
| ) |
Write ADS1248 register.
- Parameters:
-
reg is register address val value to write
Definition at line 114 of file ADS1248.cpp.
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