Merge branch 'adafruit:master' into master
This commit is contained in:
Fionnán
GitHub
commit
ab11ae0169
|
|
@ -7,11 +7,11 @@ jobs:
|
|||
runs-on: ubuntu-latest
|
||||
|
||||
steps:
|
||||
- uses: actions/setup-python@v1
|
||||
- uses: actions/setup-python@v4
|
||||
with:
|
||||
python-version: '3.x'
|
||||
- uses: actions/checkout@v2
|
||||
- uses: actions/checkout@v2
|
||||
- uses: actions/checkout@v3
|
||||
- uses: actions/checkout@v3
|
||||
with:
|
||||
repository: adafruit/ci-arduino
|
||||
path: ci
|
||||
|
|
|
|||
|
|
@ -88,6 +88,26 @@ Adafruit_BusIO_Register::Adafruit_BusIO_Register(
|
|||
_width = width;
|
||||
}
|
||||
|
||||
/*!
|
||||
* @brief Create a register we access over a GenericDevice
|
||||
* @param genericdevice Generic device to use
|
||||
* @param reg_addr Register address we will read/write
|
||||
* @param width Width of the register in bytes (1-4)
|
||||
* @param byteorder Byte order of register data (LSBFIRST or MSBFIRST)
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* @param address_width Width of the register address in bytes (1 or 2)
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||||
*/
|
||||
Adafruit_BusIO_Register::Adafruit_BusIO_Register(
|
||||
Adafruit_GenericDevice *genericdevice, uint16_t reg_addr, uint8_t width,
|
||||
uint8_t byteorder, uint8_t address_width) {
|
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_i2cdevice = nullptr;
|
||||
_spidevice = nullptr;
|
||||
_genericdevice = genericdevice;
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||||
_addrwidth = address_width;
|
||||
_address = reg_addr;
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_byteorder = byteorder;
|
||||
_width = width;
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||||
}
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||||
|
||||
/*!
|
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* @brief Write a buffer of data to the register location
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* @param buffer Pointer to data to write
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||||
|
|
@ -96,17 +116,14 @@ Adafruit_BusIO_Register::Adafruit_BusIO_Register(
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|||
* uncheckable)
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||||
*/
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||||
bool Adafruit_BusIO_Register::write(uint8_t *buffer, uint8_t len) {
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|
||||
uint8_t addrbuffer[2] = {(uint8_t)(_address & 0xFF),
|
||||
(uint8_t)(_address >> 8)};
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||||
|
||||
if (_i2cdevice) {
|
||||
return _i2cdevice->write(buffer, len, true, addrbuffer, _addrwidth);
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}
|
||||
if (_spidevice) {
|
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if (_spiregtype == ADDRESSED_OPCODE_BIT0_LOW_TO_WRITE) {
|
||||
// very special case!
|
||||
|
||||
// pass the special opcode address which we set as the high byte of the
|
||||
// regaddr
|
||||
addrbuffer[0] =
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||||
|
|
@ -116,7 +133,6 @@ bool Adafruit_BusIO_Register::write(uint8_t *buffer, uint8_t len) {
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|||
// the address appears to be a byte longer
|
||||
return _spidevice->write(buffer, len, addrbuffer, _addrwidth + 1);
|
||||
}
|
||||
|
||||
if (_spiregtype == ADDRBIT8_HIGH_TOREAD) {
|
||||
addrbuffer[0] &= ~0x80;
|
||||
}
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||||
|
|
@ -129,6 +145,9 @@ bool Adafruit_BusIO_Register::write(uint8_t *buffer, uint8_t len) {
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}
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return _spidevice->write(buffer, len, addrbuffer, _addrwidth);
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||||
}
|
||||
if (_genericdevice) {
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return _genericdevice->writeRegister(addrbuffer, _addrwidth, buffer, len);
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}
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return false;
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||||
}
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|
||||
|
|
@ -192,23 +211,20 @@ uint32_t Adafruit_BusIO_Register::read(void) {
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uint32_t Adafruit_BusIO_Register::readCached(void) { return _cached; }
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|
||||
/*!
|
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* @brief Read a buffer of data from the register location
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* @param buffer Pointer to data to read into
|
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* @param len Number of bytes to read
|
||||
* @return True on successful write (only really useful for I2C as SPI is
|
||||
* uncheckable)
|
||||
*/
|
||||
@brief Read a number of bytes from a register into a buffer
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@param buffer Buffer to read data into
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||||
@param len Number of bytes to read into the buffer
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||||
@return true on successful read, otherwise false
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||||
*/
|
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bool Adafruit_BusIO_Register::read(uint8_t *buffer, uint8_t len) {
|
||||
uint8_t addrbuffer[2] = {(uint8_t)(_address & 0xFF),
|
||||
(uint8_t)(_address >> 8)};
|
||||
|
||||
if (_i2cdevice) {
|
||||
return _i2cdevice->write_then_read(addrbuffer, _addrwidth, buffer, len);
|
||||
}
|
||||
if (_spidevice) {
|
||||
if (_spiregtype == ADDRESSED_OPCODE_BIT0_LOW_TO_WRITE) {
|
||||
// very special case!
|
||||
|
||||
// pass the special opcode address which we set as the high byte of the
|
||||
// regaddr
|
||||
addrbuffer[0] =
|
||||
|
|
@ -230,6 +246,9 @@ bool Adafruit_BusIO_Register::read(uint8_t *buffer, uint8_t len) {
|
|||
}
|
||||
return _spidevice->write_then_read(addrbuffer, _addrwidth, buffer, len);
|
||||
}
|
||||
if (_genericdevice) {
|
||||
return _genericdevice->readRegister(addrbuffer, _addrwidth, buffer, len);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -6,6 +6,7 @@
|
|||
#if !defined(SPI_INTERFACES_COUNT) || \
|
||||
(defined(SPI_INTERFACES_COUNT) && (SPI_INTERFACES_COUNT > 0))
|
||||
|
||||
#include <Adafruit_GenericDevice.h>
|
||||
#include <Adafruit_I2CDevice.h>
|
||||
#include <Adafruit_SPIDevice.h>
|
||||
|
||||
|
|
@ -57,6 +58,11 @@ public:
|
|||
uint8_t width = 1, uint8_t byteorder = LSBFIRST,
|
||||
uint8_t address_width = 1);
|
||||
|
||||
Adafruit_BusIO_Register(Adafruit_GenericDevice *genericdevice,
|
||||
uint16_t reg_addr, uint8_t width = 1,
|
||||
uint8_t byteorder = LSBFIRST,
|
||||
uint8_t address_width = 1);
|
||||
|
||||
bool read(uint8_t *buffer, uint8_t len);
|
||||
bool read(uint8_t *value);
|
||||
bool read(uint16_t *value);
|
||||
|
|
@ -82,6 +88,7 @@ public:
|
|||
private:
|
||||
Adafruit_I2CDevice *_i2cdevice;
|
||||
Adafruit_SPIDevice *_spidevice;
|
||||
Adafruit_GenericDevice *_genericdevice;
|
||||
Adafruit_BusIO_SPIRegType _spiregtype;
|
||||
uint16_t _address;
|
||||
uint8_t _width, _addrwidth, _byteorder;
|
||||
|
|
|
|||
|
|
@ -0,0 +1,90 @@
|
|||
/*
|
||||
Written with help by Claude!
|
||||
https://claude.ai/chat/335f50b1-3dd8-435e-9139-57ec7ca26a3c (at this time
|
||||
chats are not shareable :(
|
||||
*/
|
||||
|
||||
#include "Adafruit_GenericDevice.h"
|
||||
|
||||
/*!
|
||||
* @brief Create a Generic device with the provided read/write functions
|
||||
* @param obj Pointer to object instance
|
||||
* @param read_func Function pointer for reading raw data
|
||||
* @param write_func Function pointer for writing raw data
|
||||
* @param readreg_func Function pointer for reading registers (optional)
|
||||
* @param writereg_func Function pointer for writing registers (optional) */
|
||||
Adafruit_GenericDevice::Adafruit_GenericDevice(
|
||||
void *obj, busio_genericdevice_read_t read_func,
|
||||
busio_genericdevice_write_t write_func,
|
||||
busio_genericdevice_readreg_t readreg_func,
|
||||
busio_genericdevice_writereg_t writereg_func) {
|
||||
_obj = obj;
|
||||
_read_func = read_func;
|
||||
_write_func = write_func;
|
||||
_readreg_func = readreg_func;
|
||||
_writereg_func = writereg_func;
|
||||
_begun = false;
|
||||
}
|
||||
|
||||
/*! @brief Simple begin function (doesn't do much at this time)
|
||||
@return true always
|
||||
*/
|
||||
bool Adafruit_GenericDevice::begin(void) {
|
||||
_begun = true;
|
||||
return true;
|
||||
}
|
||||
|
||||
/*!
|
||||
@brief Marks the GenericDevice as no longer in use.
|
||||
@note: Since this is a GenericDevice, if you are using this with a Serial
|
||||
object, this does NOT disable serial communication or release the RX/TX pins.
|
||||
That must be done manually by calling Serial.end().
|
||||
*/
|
||||
void Adafruit_GenericDevice::end(void) { _begun = false; }
|
||||
|
||||
/*! @brief Write a buffer of data
|
||||
@param buffer Pointer to buffer of data to write
|
||||
@param len Number of bytes to write
|
||||
@return true if write was successful, otherwise false */
|
||||
bool Adafruit_GenericDevice::write(const uint8_t *buffer, size_t len) {
|
||||
if (!_begun)
|
||||
return false;
|
||||
return _write_func(_obj, buffer, len);
|
||||
}
|
||||
|
||||
/*! @brief Read data into a buffer
|
||||
@param buffer Pointer to buffer to read data into
|
||||
@param len Number of bytes to read
|
||||
@return true if read was successful, otherwise false */
|
||||
bool Adafruit_GenericDevice::read(uint8_t *buffer, size_t len) {
|
||||
if (!_begun)
|
||||
return false;
|
||||
return _read_func(_obj, buffer, len);
|
||||
}
|
||||
|
||||
/*! @brief Read from a register location
|
||||
@param addr_buf Buffer containing register address
|
||||
@param addrsiz Size of register address in bytes
|
||||
@param buf Buffer to store read data
|
||||
@param bufsiz Size of data to read in bytes
|
||||
@return true if read was successful, otherwise false */
|
||||
bool Adafruit_GenericDevice::readRegister(uint8_t *addr_buf, uint8_t addrsiz,
|
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uint8_t *buf, uint16_t bufsiz) {
|
||||
if (!_begun || !_readreg_func)
|
||||
return false;
|
||||
return _readreg_func(_obj, addr_buf, addrsiz, buf, bufsiz);
|
||||
}
|
||||
|
||||
/*! @brief Write to a register location
|
||||
@param addr_buf Buffer containing register address
|
||||
@param addrsiz Size of register address in bytes
|
||||
@param buf Buffer containing data to write
|
||||
@param bufsiz Size of data to write in bytes
|
||||
@return true if write was successful, otherwise false */
|
||||
bool Adafruit_GenericDevice::writeRegister(uint8_t *addr_buf, uint8_t addrsiz,
|
||||
const uint8_t *buf,
|
||||
uint16_t bufsiz) {
|
||||
if (!_begun || !_writereg_func)
|
||||
return false;
|
||||
return _writereg_func(_obj, addr_buf, addrsiz, buf, bufsiz);
|
||||
}
|
||||
|
|
@ -0,0 +1,56 @@
|
|||
#ifndef ADAFRUIT_GENERICDEVICE_H
|
||||
#define ADAFRUIT_GENERICDEVICE_H
|
||||
|
||||
#include <Arduino.h>
|
||||
|
||||
typedef bool (*busio_genericdevice_read_t)(void *obj, uint8_t *buffer,
|
||||
size_t len);
|
||||
typedef bool (*busio_genericdevice_write_t)(void *obj, const uint8_t *buffer,
|
||||
size_t len);
|
||||
typedef bool (*busio_genericdevice_readreg_t)(void *obj, uint8_t *addr_buf,
|
||||
uint8_t addrsiz, uint8_t *data,
|
||||
uint16_t datalen);
|
||||
typedef bool (*busio_genericdevice_writereg_t)(void *obj, uint8_t *addr_buf,
|
||||
uint8_t addrsiz,
|
||||
const uint8_t *data,
|
||||
uint16_t datalen);
|
||||
|
||||
/*!
|
||||
* @brief Class for communicating with a device via generic read/write functions
|
||||
*/
|
||||
class Adafruit_GenericDevice {
|
||||
public:
|
||||
Adafruit_GenericDevice(
|
||||
void *obj, busio_genericdevice_read_t read_func,
|
||||
busio_genericdevice_write_t write_func,
|
||||
busio_genericdevice_readreg_t readreg_func = nullptr,
|
||||
busio_genericdevice_writereg_t writereg_func = nullptr);
|
||||
|
||||
bool begin(void);
|
||||
void end(void);
|
||||
|
||||
bool read(uint8_t *buffer, size_t len);
|
||||
bool write(const uint8_t *buffer, size_t len);
|
||||
bool readRegister(uint8_t *addr_buf, uint8_t addrsiz, uint8_t *buf,
|
||||
uint16_t bufsiz);
|
||||
bool writeRegister(uint8_t *addr_buf, uint8_t addrsiz, const uint8_t *buf,
|
||||
uint16_t bufsiz);
|
||||
|
||||
protected:
|
||||
/*! @brief Function pointer for reading raw data from the device */
|
||||
busio_genericdevice_read_t _read_func;
|
||||
/*! @brief Function pointer for writing raw data to the device */
|
||||
busio_genericdevice_write_t _write_func;
|
||||
/*! @brief Function pointer for reading a 'register' from the device */
|
||||
busio_genericdevice_readreg_t _readreg_func;
|
||||
/*! @brief Function pointer for writing a 'register' to the device */
|
||||
busio_genericdevice_writereg_t _writereg_func;
|
||||
|
||||
bool _begun; ///< whether we have initialized yet (in case the function needs
|
||||
///< to do something)
|
||||
|
||||
private:
|
||||
void *_obj; ///< Pointer to object instance
|
||||
};
|
||||
|
||||
#endif // ADAFRUIT_GENERICDEVICE_H
|
||||
|
|
@ -1,6 +1,6 @@
|
|||
#include "Adafruit_I2CDevice.h"
|
||||
|
||||
//#define DEBUG_SERIAL Serial
|
||||
// #define DEBUG_SERIAL Serial
|
||||
|
||||
/*!
|
||||
* @brief Create an I2C device at a given address
|
||||
|
|
@ -23,8 +23,8 @@ Adafruit_I2CDevice::Adafruit_I2CDevice(uint8_t addr, TwoWire *theWire) {
|
|||
/*!
|
||||
* @brief Initializes and does basic address detection
|
||||
* @param addr_detect Whether we should attempt to detect the I2C address
|
||||
* with a scan. 99% of sensors/devices don't mind but once in a while, they spaz
|
||||
* on a scan!
|
||||
* with a scan. 99% of sensors/devices don't mind, but once in a while they
|
||||
* don't respond well to a scan!
|
||||
* @return True if I2C initialized and a device with the addr found
|
||||
*/
|
||||
bool Adafruit_I2CDevice::begin(bool addr_detect) {
|
||||
|
|
@ -67,14 +67,21 @@ bool Adafruit_I2CDevice::detected(void) {
|
|||
|
||||
// A basic scanner, see if it ACK's
|
||||
_wire->beginTransmission(_addr);
|
||||
#ifdef DEBUG_SERIAL
|
||||
DEBUG_SERIAL.print(F("Address 0x"));
|
||||
DEBUG_SERIAL.print(_addr, HEX);
|
||||
#endif
|
||||
#ifdef ARDUINO_ARCH_MBED
|
||||
_wire->write(0); // forces a write request instead of a read
|
||||
#endif
|
||||
if (_wire->endTransmission() == 0) {
|
||||
#ifdef DEBUG_SERIAL
|
||||
DEBUG_SERIAL.println(F("Detected"));
|
||||
DEBUG_SERIAL.println(F(" Detected"));
|
||||
#endif
|
||||
return true;
|
||||
}
|
||||
#ifdef DEBUG_SERIAL
|
||||
DEBUG_SERIAL.println(F("Not detected"));
|
||||
DEBUG_SERIAL.println(F(" Not detected"));
|
||||
#endif
|
||||
return false;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
#include "Adafruit_SPIDevice.h"
|
||||
|
||||
//#define DEBUG_SERIAL Serial
|
||||
// #define DEBUG_SERIAL Serial
|
||||
|
||||
/*!
|
||||
* @brief Create an SPI device with the given CS pin and settings
|
||||
|
|
@ -183,9 +183,9 @@ void Adafruit_SPIDevice::transfer(uint8_t *buffer, size_t len) {
|
|||
if ((_mosi != -1) && (lastmosi != towrite)) {
|
||||
#ifdef BUSIO_USE_FAST_PINIO
|
||||
if (towrite)
|
||||
*mosiPort |= mosiPinMask;
|
||||
*mosiPort = *mosiPort | mosiPinMask;
|
||||
else
|
||||
*mosiPort &= ~mosiPinMask;
|
||||
*mosiPort = *mosiPort & ~mosiPinMask;
|
||||
#else
|
||||
digitalWrite(_mosi, towrite);
|
||||
#endif
|
||||
|
|
@ -193,7 +193,7 @@ void Adafruit_SPIDevice::transfer(uint8_t *buffer, size_t len) {
|
|||
}
|
||||
|
||||
#ifdef BUSIO_USE_FAST_PINIO
|
||||
*clkPort |= clkPinMask; // Clock high
|
||||
*clkPort = *clkPort | clkPinMask; // Clock high
|
||||
#else
|
||||
digitalWrite(_sck, HIGH);
|
||||
#endif
|
||||
|
|
@ -213,14 +213,14 @@ void Adafruit_SPIDevice::transfer(uint8_t *buffer, size_t len) {
|
|||
}
|
||||
|
||||
#ifdef BUSIO_USE_FAST_PINIO
|
||||
*clkPort &= ~clkPinMask; // Clock low
|
||||
*clkPort = *clkPort & ~clkPinMask; // Clock low
|
||||
#else
|
||||
digitalWrite(_sck, LOW);
|
||||
#endif
|
||||
} else { // if (_dataMode == SPI_MODE1 || _dataMode == SPI_MODE3)
|
||||
|
||||
#ifdef BUSIO_USE_FAST_PINIO
|
||||
*clkPort |= clkPinMask; // Clock high
|
||||
*clkPort = *clkPort | clkPinMask; // Clock high
|
||||
#else
|
||||
digitalWrite(_sck, HIGH);
|
||||
#endif
|
||||
|
|
@ -232,16 +232,16 @@ void Adafruit_SPIDevice::transfer(uint8_t *buffer, size_t len) {
|
|||
if (_mosi != -1) {
|
||||
#ifdef BUSIO_USE_FAST_PINIO
|
||||
if (send & b)
|
||||
*mosiPort |= mosiPinMask;
|
||||
*mosiPort = *mosiPort | mosiPinMask;
|
||||
else
|
||||
*mosiPort &= ~mosiPinMask;
|
||||
*mosiPort = *mosiPort & ~mosiPinMask;
|
||||
#else
|
||||
digitalWrite(_mosi, send & b);
|
||||
#endif
|
||||
}
|
||||
|
||||
#ifdef BUSIO_USE_FAST_PINIO
|
||||
*clkPort &= ~clkPinMask; // Clock low
|
||||
*clkPort = *clkPort & ~clkPinMask; // Clock low
|
||||
#else
|
||||
digitalWrite(_sck, LOW);
|
||||
#endif
|
||||
|
|
@ -349,10 +349,10 @@ bool Adafruit_SPIDevice::write(const uint8_t *buffer, size_t len,
|
|||
#if defined(ARDUINO_ARCH_ESP32)
|
||||
if (_spi) {
|
||||
if (prefix_len > 0) {
|
||||
_spi->transferBytes(prefix_buffer, nullptr, prefix_len);
|
||||
_spi->transferBytes((uint8_t *)prefix_buffer, nullptr, prefix_len);
|
||||
}
|
||||
if (len > 0) {
|
||||
_spi->transferBytes(buffer, nullptr, len);
|
||||
_spi->transferBytes((uint8_t *)buffer, nullptr, len);
|
||||
}
|
||||
} else
|
||||
#endif
|
||||
|
|
@ -443,7 +443,7 @@ bool Adafruit_SPIDevice::write_then_read(const uint8_t *write_buffer,
|
|||
#if defined(ARDUINO_ARCH_ESP32)
|
||||
if (_spi) {
|
||||
if (write_len > 0) {
|
||||
_spi->transferBytes(write_buffer, nullptr, write_len);
|
||||
_spi->transferBytes((uint8_t *)write_buffer, nullptr, write_len);
|
||||
}
|
||||
} else
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -22,7 +22,8 @@ typedef uint8_t SPIClass;
|
|||
defined(ARDUINO_AVR_ATmega4808) || defined(ARDUINO_AVR_ATmega3209) || \
|
||||
defined(ARDUINO_AVR_ATmega3208) || defined(ARDUINO_AVR_ATmega1609) || \
|
||||
defined(ARDUINO_AVR_ATmega1608) || defined(ARDUINO_AVR_ATmega809) || \
|
||||
defined(ARDUINO_AVR_ATmega808) || defined(ARDUINO_ARCH_ARC32)
|
||||
defined(ARDUINO_AVR_ATmega808) || defined(ARDUINO_ARCH_ARC32) || \
|
||||
defined(ARDUINO_ARCH_XMC)
|
||||
|
||||
typedef enum _BitOrder {
|
||||
SPI_BITORDER_MSBFIRST = MSBFIRST,
|
||||
|
|
@ -55,7 +56,15 @@ typedef BitOrder BusIOBitOrder;
|
|||
// ports set and clear registers which are atomic.
|
||||
// typedef volatile uint32_t BusIO_PortReg;
|
||||
// typedef uint32_t BusIO_PortMask;
|
||||
//#define BUSIO_USE_FAST_PINIO
|
||||
// #define BUSIO_USE_FAST_PINIO
|
||||
|
||||
#elif defined(__MBED__) || defined(__ZEPHYR__)
|
||||
// Boards based on RTOS cores like mbed or Zephyr are not going to expose the
|
||||
// low level registers needed for fast pin manipulation
|
||||
#undef BUSIO_USE_FAST_PINIO
|
||||
|
||||
#elif defined(ARDUINO_ARCH_XMC)
|
||||
#undef BUSIO_USE_FAST_PINIO
|
||||
|
||||
#elif defined(__AVR__) || defined(TEENSYDUINO)
|
||||
typedef volatile uint8_t BusIO_PortReg;
|
||||
|
|
@ -69,7 +78,9 @@ typedef uint32_t BusIO_PortMask;
|
|||
#define BUSIO_USE_FAST_PINIO
|
||||
|
||||
#elif (defined(__arm__) || defined(ARDUINO_FEATHER52)) && \
|
||||
!defined(ARDUINO_ARCH_MBED) && !defined(ARDUINO_ARCH_RP2040)
|
||||
!defined(ARDUINO_ARCH_RP2040) && !defined(ARDUINO_SILABS) && \
|
||||
!defined(ARDUINO_UNOR4_MINIMA) && !defined(ARDUINO_UNOR4_WIFI) && \
|
||||
!defined(PORTDUINO)
|
||||
typedef volatile uint32_t BusIO_PortReg;
|
||||
typedef uint32_t BusIO_PortMask;
|
||||
#if !defined(__ASR6501__) && !defined(__ASR6502__)
|
||||
|
|
|
|||
|
|
@ -4,8 +4,8 @@
|
|||
|
||||
cmake_minimum_required(VERSION 3.5)
|
||||
|
||||
idf_component_register(SRCS "Adafruit_I2CDevice.cpp" "Adafruit_BusIO_Register.cpp" "Adafruit_SPIDevice.cpp"
|
||||
idf_component_register(SRCS "Adafruit_I2CDevice.cpp" "Adafruit_BusIO_Register.cpp" "Adafruit_SPIDevice.cpp" "Adafruit_GenericDevice.cpp"
|
||||
INCLUDE_DIRS "."
|
||||
REQUIRES arduino)
|
||||
REQUIRES arduino-esp32)
|
||||
|
||||
project(Adafruit_BusIO)
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
# Adafruit Bus IO Library [](https://github.com/adafruit/Adafruit_BusIO/actions)
|
||||
|
||||
|
||||
This is a helper library to abstract away I2C & SPI transactions and registers
|
||||
This is a helper library to abstract away I2C, SPI, and 'generic transport' (e.g. UART) transactions and registers
|
||||
|
||||
Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit!
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,219 @@
|
|||
/*
|
||||
Advanced example of using bstracted transport for reading and writing
|
||||
register data from a UART-based device such as a TMC2209
|
||||
|
||||
Written with help by Claude!
|
||||
https://claude.ai/chat/335f50b1-3dd8-435e-9139-57ec7ca26a3c (at this time
|
||||
chats are not shareable :(
|
||||
*/
|
||||
|
||||
#include "Adafruit_BusIO_Register.h"
|
||||
#include "Adafruit_GenericDevice.h"
|
||||
|
||||
// Debugging macros
|
||||
#define DEBUG_SERIAL Serial
|
||||
|
||||
#ifdef DEBUG_SERIAL
|
||||
#define DEBUG_PRINT(x) DEBUG_SERIAL.print(x)
|
||||
#define DEBUG_PRINTLN(x) DEBUG_SERIAL.println(x)
|
||||
#define DEBUG_PRINT_HEX(x) \
|
||||
do { \
|
||||
if (x < 0x10) \
|
||||
DEBUG_SERIAL.print('0'); \
|
||||
DEBUG_SERIAL.print(x, HEX); \
|
||||
DEBUG_SERIAL.print(' '); \
|
||||
} while (0)
|
||||
#else
|
||||
#define DEBUG_PRINT(x)
|
||||
#define DEBUG_PRINTLN(x)
|
||||
#define DEBUG_PRINT_HEX(x)
|
||||
#endif
|
||||
|
||||
#define TMC2209_IOIN 0x06
|
||||
|
||||
class TMC2209_UART {
|
||||
private:
|
||||
Stream *_uart_stream;
|
||||
uint8_t _addr;
|
||||
|
||||
static bool uart_read(void *thiz, uint8_t *buffer, size_t len) {
|
||||
TMC2209_UART *dev = (TMC2209_UART *)thiz;
|
||||
uint16_t timeout = 100;
|
||||
while (dev->_uart_stream->available() < len && timeout--) {
|
||||
delay(1);
|
||||
}
|
||||
if (timeout == 0) {
|
||||
DEBUG_PRINTLN("Read timeout!");
|
||||
return false;
|
||||
}
|
||||
|
||||
DEBUG_PRINT("Reading: ");
|
||||
for (size_t i = 0; i < len; i++) {
|
||||
buffer[i] = dev->_uart_stream->read();
|
||||
DEBUG_PRINT_HEX(buffer[i]);
|
||||
}
|
||||
DEBUG_PRINTLN("");
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool uart_write(void *thiz, const uint8_t *buffer, size_t len) {
|
||||
TMC2209_UART *dev = (TMC2209_UART *)thiz;
|
||||
DEBUG_PRINT("Writing: ");
|
||||
for (size_t i = 0; i < len; i++) {
|
||||
DEBUG_PRINT_HEX(buffer[i]);
|
||||
}
|
||||
DEBUG_PRINTLN("");
|
||||
|
||||
dev->_uart_stream->write(buffer, len);
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool uart_readreg(void *thiz, uint8_t *addr_buf, uint8_t addrsiz,
|
||||
uint8_t *data, uint16_t datalen) {
|
||||
TMC2209_UART *dev = (TMC2209_UART *)thiz;
|
||||
while (dev->_uart_stream->available())
|
||||
dev->_uart_stream->read();
|
||||
|
||||
uint8_t packet[4] = {0x05, uint8_t(dev->_addr << 1), addr_buf[0], 0x00};
|
||||
|
||||
packet[3] = calcCRC(packet, 3);
|
||||
if (!uart_write(thiz, packet, 4))
|
||||
return false;
|
||||
|
||||
// Read back echo
|
||||
uint8_t echo[4];
|
||||
if (!uart_read(thiz, echo, 4))
|
||||
return false;
|
||||
|
||||
// Verify echo
|
||||
for (uint8_t i = 0; i < 4; i++) {
|
||||
if (echo[i] != packet[i]) {
|
||||
DEBUG_PRINTLN("Echo mismatch");
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
uint8_t response[8]; // sync + 0xFF + reg + 4 data bytes + CRC
|
||||
if (!uart_read(thiz, response, 8))
|
||||
return false;
|
||||
|
||||
// Verify response
|
||||
if (response[0] != 0x05) {
|
||||
DEBUG_PRINTLN("Invalid sync byte");
|
||||
return false;
|
||||
}
|
||||
|
||||
if (response[1] != 0xFF) {
|
||||
DEBUG_PRINTLN("Invalid reply address");
|
||||
return false;
|
||||
}
|
||||
|
||||
if (response[2] != addr_buf[0]) {
|
||||
DEBUG_PRINTLN("Register mismatch");
|
||||
return false;
|
||||
}
|
||||
|
||||
uint8_t crc = calcCRC(response, 7);
|
||||
if (crc != response[7]) {
|
||||
DEBUG_PRINTLN("CRC mismatch");
|
||||
return false;
|
||||
}
|
||||
|
||||
memcpy(data, &response[3], 4);
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool uart_writereg(void *thiz, uint8_t *addr_buf, uint8_t addrsiz,
|
||||
const uint8_t *data, uint16_t datalen) {
|
||||
TMC2209_UART *dev = (TMC2209_UART *)thiz;
|
||||
while (dev->_uart_stream->available())
|
||||
dev->_uart_stream->read();
|
||||
|
||||
uint8_t packet[8] = {0x05,
|
||||
uint8_t(dev->_addr << 1),
|
||||
uint8_t(addr_buf[0] | 0x80),
|
||||
data[0],
|
||||
data[1],
|
||||
data[2],
|
||||
data[3],
|
||||
0x00};
|
||||
|
||||
packet[7] = calcCRC(packet, 7);
|
||||
if (!uart_write(thiz, packet, 8))
|
||||
return false;
|
||||
|
||||
uint8_t echo[8];
|
||||
if (!uart_read(thiz, echo, 8))
|
||||
return false;
|
||||
|
||||
for (uint8_t i = 0; i < 8; i++) {
|
||||
if (echo[i] != packet[i]) {
|
||||
DEBUG_PRINTLN("Write echo mismatch");
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
static uint8_t calcCRC(uint8_t *data, uint8_t length) {
|
||||
uint8_t crc = 0;
|
||||
for (uint8_t i = 0; i < length; i++) {
|
||||
uint8_t currentByte = data[i];
|
||||
for (uint8_t j = 0; j < 8; j++) {
|
||||
if ((crc >> 7) ^ (currentByte & 0x01)) {
|
||||
crc = (crc << 1) ^ 0x07;
|
||||
} else {
|
||||
crc = crc << 1;
|
||||
}
|
||||
currentByte = currentByte >> 1;
|
||||
}
|
||||
}
|
||||
return crc;
|
||||
}
|
||||
|
||||
public:
|
||||
TMC2209_UART(Stream *serial, uint8_t addr)
|
||||
: _uart_stream(serial), _addr(addr) {}
|
||||
|
||||
Adafruit_GenericDevice *createDevice() {
|
||||
return new Adafruit_GenericDevice(this, uart_read, uart_write, uart_readreg,
|
||||
uart_writereg);
|
||||
}
|
||||
};
|
||||
|
||||
void setup() {
|
||||
Serial.begin(115200);
|
||||
while (!Serial)
|
||||
;
|
||||
delay(100);
|
||||
Serial.println("TMC2209 Generic Device register read/write test!");
|
||||
|
||||
Serial1.begin(115200);
|
||||
|
||||
TMC2209_UART uart(&Serial1, 0);
|
||||
Adafruit_GenericDevice *device = uart.createDevice();
|
||||
device->begin();
|
||||
|
||||
// Create register object for IOIN
|
||||
Adafruit_BusIO_Register ioin_reg(device,
|
||||
TMC2209_IOIN, // device and register address
|
||||
4, // width = 4 bytes
|
||||
MSBFIRST, // byte order
|
||||
1); // address width = 1 byte
|
||||
Serial.print("IOIN = 0x");
|
||||
Serial.println(ioin_reg.read(), HEX);
|
||||
|
||||
// Create RegisterBits for VERSION field (bits 31:24)
|
||||
Adafruit_BusIO_RegisterBits version_bits(
|
||||
&ioin_reg, 8, 24); // 8 bits wide, starting at bit 24
|
||||
|
||||
Serial.println("Reading VERSION...");
|
||||
uint8_t version = version_bits.read();
|
||||
|
||||
Serial.print("VERSION = 0x");
|
||||
Serial.println(version, HEX);
|
||||
}
|
||||
|
||||
void loop() { delay(1000); }
|
||||
|
|
@ -0,0 +1,98 @@
|
|||
/*
|
||||
Abstracted transport for reading and writing data from a UART-based
|
||||
device such as a TMC2209
|
||||
|
||||
Written with help by Claude!
|
||||
https://claude.ai/chat/335f50b1-3dd8-435e-9139-57ec7ca26a3c (at this time
|
||||
chats are not shareable :(
|
||||
*/
|
||||
|
||||
#include "Adafruit_GenericDevice.h"
|
||||
|
||||
/**
|
||||
* Basic UART device class that demonstrates using GenericDevice with a Stream
|
||||
* interface. This example shows how to wrap a Stream (like HardwareSerial or
|
||||
* SoftwareSerial) with read/write callbacks that can be used by BusIO's
|
||||
* register functions.
|
||||
*/
|
||||
class UARTDevice {
|
||||
public:
|
||||
UARTDevice(Stream *serial) : _serial(serial) {}
|
||||
|
||||
// Static callback for writing data to UART
|
||||
// Called by GenericDevice when data needs to be sent
|
||||
static bool uart_write(void *thiz, const uint8_t *buffer, size_t len) {
|
||||
UARTDevice *dev = (UARTDevice *)thiz;
|
||||
dev->_serial->write(buffer, len);
|
||||
return true;
|
||||
}
|
||||
|
||||
// Static callback for reading data from UART
|
||||
// Includes timeout and will return false if not enough data available
|
||||
static bool uart_read(void *thiz, uint8_t *buffer, size_t len) {
|
||||
UARTDevice *dev = (UARTDevice *)thiz;
|
||||
uint16_t timeout = 100;
|
||||
while (dev->_serial->available() < len && timeout--) {
|
||||
delay(1);
|
||||
}
|
||||
if (timeout == 0) {
|
||||
return false;
|
||||
}
|
||||
for (size_t i = 0; i < len; i++) {
|
||||
buffer[i] = dev->_serial->read();
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
// Create a GenericDevice instance using our callbacks
|
||||
Adafruit_GenericDevice *createDevice() {
|
||||
return new Adafruit_GenericDevice(this, uart_read, uart_write);
|
||||
}
|
||||
|
||||
private:
|
||||
Stream *_serial; // Underlying Stream instance (HardwareSerial, etc)
|
||||
};
|
||||
|
||||
void setup() {
|
||||
Serial.begin(115200);
|
||||
while (!Serial)
|
||||
;
|
||||
delay(100);
|
||||
|
||||
Serial.println("Generic Device test!");
|
||||
|
||||
// Initialize UART for device communication
|
||||
Serial1.begin(115200);
|
||||
|
||||
// Create UART wrapper and BusIO device
|
||||
UARTDevice uart(&Serial1);
|
||||
Adafruit_GenericDevice *device = uart.createDevice();
|
||||
device->begin();
|
||||
|
||||
// Test write/read cycle
|
||||
uint8_t write_buf[4] = {0x5, 0x0, 0x0, 0x48};
|
||||
uint8_t read_buf[8];
|
||||
|
||||
Serial.println("Writing data...");
|
||||
if (!device->write(write_buf, 4)) {
|
||||
Serial.println("Write failed!");
|
||||
return;
|
||||
}
|
||||
|
||||
Serial.println("Reading response...");
|
||||
if (!device->read(read_buf, 8)) {
|
||||
Serial.println("Read failed!");
|
||||
return;
|
||||
}
|
||||
|
||||
// Print response bytes
|
||||
Serial.print("Got response: ");
|
||||
for (int i = 0; i < 8; i++) {
|
||||
Serial.print("0x");
|
||||
Serial.print(read_buf[i], HEX);
|
||||
Serial.print(" ");
|
||||
}
|
||||
Serial.println();
|
||||
}
|
||||
|
||||
void loop() { delay(1000); }
|
||||
|
|
@ -3,19 +3,20 @@
|
|||
Adafruit_I2CDevice i2c_dev = Adafruit_I2CDevice(0x10);
|
||||
|
||||
void setup() {
|
||||
while (!Serial) { delay(10); }
|
||||
while (!Serial) {
|
||||
delay(10);
|
||||
}
|
||||
Serial.begin(115200);
|
||||
Serial.println("I2C address detection test");
|
||||
|
||||
if (!i2c_dev.begin()) {
|
||||
Serial.print("Did not find device at 0x");
|
||||
Serial.println(i2c_dev.address(), HEX);
|
||||
while (1);
|
||||
while (1)
|
||||
;
|
||||
}
|
||||
Serial.print("Device found on address 0x");
|
||||
Serial.println(i2c_dev.address(), HEX);
|
||||
}
|
||||
|
||||
void loop() {
|
||||
|
||||
}
|
||||
void loop() {}
|
||||
|
|
|
|||
|
|
@ -3,16 +3,18 @@
|
|||
#define I2C_ADDRESS 0x60
|
||||
Adafruit_I2CDevice i2c_dev = Adafruit_I2CDevice(I2C_ADDRESS);
|
||||
|
||||
|
||||
void setup() {
|
||||
while (!Serial) { delay(10); }
|
||||
while (!Serial) {
|
||||
delay(10);
|
||||
}
|
||||
Serial.begin(115200);
|
||||
Serial.println("I2C device read and write test");
|
||||
|
||||
if (!i2c_dev.begin()) {
|
||||
Serial.print("Did not find device at 0x");
|
||||
Serial.println(i2c_dev.address(), HEX);
|
||||
while (1);
|
||||
while (1)
|
||||
;
|
||||
}
|
||||
Serial.print("Device found on address 0x");
|
||||
Serial.println(i2c_dev.address(), HEX);
|
||||
|
|
@ -21,21 +23,23 @@ void setup() {
|
|||
// Try to read 32 bytes
|
||||
i2c_dev.read(buffer, 32);
|
||||
Serial.print("Read: ");
|
||||
for (uint8_t i=0; i<32; i++) {
|
||||
Serial.print("0x"); Serial.print(buffer[i], HEX); Serial.print(", ");
|
||||
for (uint8_t i = 0; i < 32; i++) {
|
||||
Serial.print("0x");
|
||||
Serial.print(buffer[i], HEX);
|
||||
Serial.print(", ");
|
||||
}
|
||||
Serial.println();
|
||||
|
||||
// read a register by writing first, then reading
|
||||
buffer[0] = 0x0C; // we'll reuse the same buffer
|
||||
buffer[0] = 0x0C; // we'll reuse the same buffer
|
||||
i2c_dev.write_then_read(buffer, 1, buffer, 2, false);
|
||||
Serial.print("Write then Read: ");
|
||||
for (uint8_t i=0; i<2; i++) {
|
||||
Serial.print("0x"); Serial.print(buffer[i], HEX); Serial.print(", ");
|
||||
for (uint8_t i = 0; i < 2; i++) {
|
||||
Serial.print("0x");
|
||||
Serial.print(buffer[i], HEX);
|
||||
Serial.print(", ");
|
||||
}
|
||||
Serial.println();
|
||||
}
|
||||
|
||||
void loop() {
|
||||
|
||||
}
|
||||
void loop() {}
|
||||
|
|
|
|||
|
|
@ -1,38 +1,43 @@
|
|||
#include <Adafruit_I2CDevice.h>
|
||||
#include <Adafruit_BusIO_Register.h>
|
||||
#include <Adafruit_I2CDevice.h>
|
||||
|
||||
#define I2C_ADDRESS 0x60
|
||||
Adafruit_I2CDevice i2c_dev = Adafruit_I2CDevice(I2C_ADDRESS);
|
||||
|
||||
|
||||
void setup() {
|
||||
while (!Serial) { delay(10); }
|
||||
while (!Serial) {
|
||||
delay(10);
|
||||
}
|
||||
Serial.begin(115200);
|
||||
Serial.println("I2C device register test");
|
||||
|
||||
if (!i2c_dev.begin()) {
|
||||
Serial.print("Did not find device at 0x");
|
||||
Serial.println(i2c_dev.address(), HEX);
|
||||
while (1);
|
||||
while (1)
|
||||
;
|
||||
}
|
||||
Serial.print("Device found on address 0x");
|
||||
Serial.println(i2c_dev.address(), HEX);
|
||||
|
||||
Adafruit_BusIO_Register id_reg = Adafruit_BusIO_Register(&i2c_dev, 0x0C, 2, LSBFIRST);
|
||||
Adafruit_BusIO_Register id_reg =
|
||||
Adafruit_BusIO_Register(&i2c_dev, 0x0C, 2, LSBFIRST);
|
||||
uint16_t id;
|
||||
id_reg.read(&id);
|
||||
Serial.print("ID register = 0x"); Serial.println(id, HEX);
|
||||
Serial.print("ID register = 0x");
|
||||
Serial.println(id, HEX);
|
||||
|
||||
Adafruit_BusIO_Register thresh_reg = Adafruit_BusIO_Register(&i2c_dev, 0x01, 2, LSBFIRST);
|
||||
Adafruit_BusIO_Register thresh_reg =
|
||||
Adafruit_BusIO_Register(&i2c_dev, 0x01, 2, LSBFIRST);
|
||||
uint16_t thresh;
|
||||
thresh_reg.read(&thresh);
|
||||
Serial.print("Initial threshold register = 0x"); Serial.println(thresh, HEX);
|
||||
Serial.print("Initial threshold register = 0x");
|
||||
Serial.println(thresh, HEX);
|
||||
|
||||
thresh_reg.write(~thresh);
|
||||
|
||||
Serial.print("Post threshold register = 0x"); Serial.println(thresh_reg.read(), HEX);
|
||||
Serial.print("Post threshold register = 0x");
|
||||
Serial.println(thresh_reg.read(), HEX);
|
||||
}
|
||||
|
||||
void loop() {
|
||||
|
||||
}
|
||||
void loop() {}
|
||||
|
|
@ -9,7 +9,9 @@ Adafruit_SPIDevice *spi_dev = NULL; // new Adafruit_SPIDevice(SPIDEVICE_CS);
|
|||
Adafruit_I2CDevice *i2c_dev = new Adafruit_I2CDevice(I2C_ADDRESS);
|
||||
|
||||
void setup() {
|
||||
while (!Serial) { delay(10); }
|
||||
while (!Serial) {
|
||||
delay(10);
|
||||
}
|
||||
Serial.begin(115200);
|
||||
Serial.println("I2C or SPI device register test");
|
||||
|
||||
|
|
@ -27,12 +29,12 @@ void setup() {
|
|||
}
|
||||
}
|
||||
|
||||
Adafruit_BusIO_Register id_reg = Adafruit_BusIO_Register(i2c_dev, spi_dev, ADDRBIT8_HIGH_TOREAD, 0x0F);
|
||||
uint8_t id=0;
|
||||
Adafruit_BusIO_Register id_reg =
|
||||
Adafruit_BusIO_Register(i2c_dev, spi_dev, ADDRBIT8_HIGH_TOREAD, 0x0F);
|
||||
uint8_t id = 0;
|
||||
id_reg.read(&id);
|
||||
Serial.print("ID register = 0x"); Serial.println(id, HEX);
|
||||
Serial.print("ID register = 0x");
|
||||
Serial.println(id, HEX);
|
||||
}
|
||||
|
||||
void loop() {
|
||||
|
||||
}
|
||||
void loop() {}
|
||||
|
|
|
|||
|
|
@ -1,28 +1,34 @@
|
|||
#include <Adafruit_SPIDevice.h>
|
||||
|
||||
#define SPIDEVICE_CS 10
|
||||
Adafruit_SPIDevice spi_dev = Adafruit_SPIDevice(SPIDEVICE_CS, 100000, SPI_BITORDER_MSBFIRST, SPI_MODE1);
|
||||
//Adafruit_SPIDevice spi_dev = Adafruit_SPIDevice(SPIDEVICE_CS, 13, 12, 11, 100000, SPI_BITORDER_MSBFIRST, SPI_MODE1);
|
||||
|
||||
Adafruit_SPIDevice spi_dev =
|
||||
Adafruit_SPIDevice(SPIDEVICE_CS, 100000, SPI_BITORDER_MSBFIRST, SPI_MODE1);
|
||||
// Adafruit_SPIDevice spi_dev = Adafruit_SPIDevice(SPIDEVICE_CS, 13, 12, 11,
|
||||
// 100000, SPI_BITORDER_MSBFIRST, SPI_MODE1);
|
||||
|
||||
void setup() {
|
||||
while (!Serial) { delay(10); }
|
||||
while (!Serial) {
|
||||
delay(10);
|
||||
}
|
||||
Serial.begin(115200);
|
||||
Serial.println("SPI device mode test");
|
||||
|
||||
if (!spi_dev.begin()) {
|
||||
Serial.println("Could not initialize SPI device");
|
||||
while (1);
|
||||
while (1)
|
||||
;
|
||||
}
|
||||
}
|
||||
|
||||
void loop() {
|
||||
Serial.println("\n\nTransfer test");
|
||||
for (uint16_t x=0; x<=0xFF; x++) {
|
||||
for (uint16_t x = 0; x <= 0xFF; x++) {
|
||||
uint8_t i = x;
|
||||
Serial.print("0x"); Serial.print(i, HEX);
|
||||
Serial.print("0x");
|
||||
Serial.print(i, HEX);
|
||||
spi_dev.read(&i, 1, i);
|
||||
Serial.print("/"); Serial.print(i, HEX);
|
||||
Serial.print("/");
|
||||
Serial.print(i, HEX);
|
||||
Serial.print(", ");
|
||||
delay(25);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -3,15 +3,17 @@
|
|||
#define SPIDEVICE_CS 10
|
||||
Adafruit_SPIDevice spi_dev = Adafruit_SPIDevice(SPIDEVICE_CS);
|
||||
|
||||
|
||||
void setup() {
|
||||
while (!Serial) { delay(10); }
|
||||
while (!Serial) {
|
||||
delay(10);
|
||||
}
|
||||
Serial.begin(115200);
|
||||
Serial.println("SPI device read and write test");
|
||||
|
||||
if (!spi_dev.begin()) {
|
||||
Serial.println("Could not initialize SPI device");
|
||||
while (1);
|
||||
while (1)
|
||||
;
|
||||
}
|
||||
|
||||
uint8_t buffer[32];
|
||||
|
|
@ -19,21 +21,23 @@ void setup() {
|
|||
// Try to read 32 bytes
|
||||
spi_dev.read(buffer, 32);
|
||||
Serial.print("Read: ");
|
||||
for (uint8_t i=0; i<32; i++) {
|
||||
Serial.print("0x"); Serial.print(buffer[i], HEX); Serial.print(", ");
|
||||
for (uint8_t i = 0; i < 32; i++) {
|
||||
Serial.print("0x");
|
||||
Serial.print(buffer[i], HEX);
|
||||
Serial.print(", ");
|
||||
}
|
||||
Serial.println();
|
||||
|
||||
// read a register by writing first, then reading
|
||||
buffer[0] = 0x8F; // we'll reuse the same buffer
|
||||
buffer[0] = 0x8F; // we'll reuse the same buffer
|
||||
spi_dev.write_then_read(buffer, 1, buffer, 2, false);
|
||||
Serial.print("Write then Read: ");
|
||||
for (uint8_t i=0; i<2; i++) {
|
||||
Serial.print("0x"); Serial.print(buffer[i], HEX); Serial.print(", ");
|
||||
for (uint8_t i = 0; i < 2; i++) {
|
||||
Serial.print("0x");
|
||||
Serial.print(buffer[i], HEX);
|
||||
Serial.print(", ");
|
||||
}
|
||||
Serial.println();
|
||||
}
|
||||
|
||||
void loop() {
|
||||
|
||||
}
|
||||
void loop() {}
|
||||
|
|
|
|||
|
|
@ -1,6 +1,7 @@
|
|||
/***************************************************
|
||||
|
||||
This is an example for how to use Adafruit_BusIO_RegisterBits from Adafruit_BusIO library.
|
||||
This is an example for how to use Adafruit_BusIO_RegisterBits from
|
||||
Adafruit_BusIO library.
|
||||
|
||||
Designed specifically to work with the Adafruit RTD Sensor
|
||||
----> https://www.adafruit.com/products/3328
|
||||
|
|
@ -22,142 +23,211 @@
|
|||
#include <Adafruit_BusIO_Register.h>
|
||||
#include <Adafruit_SPIDevice.h>
|
||||
|
||||
#define MAX31865_SPI_SPEED (5000000)
|
||||
#define MAX31865_SPI_SPEED (5000000)
|
||||
#define MAX31865_SPI_BITORDER (SPI_BITORDER_MSBFIRST)
|
||||
#define MAX31865_SPI_MODE (SPI_MODE1)
|
||||
#define MAX31865_SPI_MODE (SPI_MODE1)
|
||||
|
||||
#define MAX31865_SPI_CS (10)
|
||||
#define MAX31865_READY_PIN (2)
|
||||
#define MAX31865_SPI_CS (10)
|
||||
#define MAX31865_READY_PIN (2)
|
||||
|
||||
Adafruit_SPIDevice spi_dev = Adafruit_SPIDevice(
|
||||
MAX31865_SPI_CS, MAX31865_SPI_SPEED, MAX31865_SPI_BITORDER,
|
||||
MAX31865_SPI_MODE, &SPI); // Hardware SPI
|
||||
// Adafruit_SPIDevice spi_dev = Adafruit_SPIDevice( MAX31865_SPI_CS, 13, 12, 11,
|
||||
// MAX31865_SPI_SPEED, MAX31865_SPI_BITORDER, MAX31865_SPI_MODE); // Software
|
||||
// SPI
|
||||
|
||||
Adafruit_SPIDevice spi_dev = Adafruit_SPIDevice( MAX31865_SPI_CS, MAX31865_SPI_SPEED, MAX31865_SPI_BITORDER, MAX31865_SPI_MODE, &SPI); // Hardware SPI
|
||||
// Adafruit_SPIDevice spi_dev = Adafruit_SPIDevice( MAX31865_SPI_CS, 13, 12, 11, MAX31865_SPI_SPEED, MAX31865_SPI_BITORDER, MAX31865_SPI_MODE); // Software SPI
|
||||
// MAX31865 chip related
|
||||
// *********************************************************************************************
|
||||
Adafruit_BusIO_Register config_reg =
|
||||
Adafruit_BusIO_Register(&spi_dev, 0x00, ADDRBIT8_HIGH_TOWRITE, 1, MSBFIRST);
|
||||
Adafruit_BusIO_RegisterBits bias_bit =
|
||||
Adafruit_BusIO_RegisterBits(&config_reg, 1, 7);
|
||||
Adafruit_BusIO_RegisterBits auto_bit =
|
||||
Adafruit_BusIO_RegisterBits(&config_reg, 1, 6);
|
||||
Adafruit_BusIO_RegisterBits oneS_bit =
|
||||
Adafruit_BusIO_RegisterBits(&config_reg, 1, 5);
|
||||
Adafruit_BusIO_RegisterBits wire_bit =
|
||||
Adafruit_BusIO_RegisterBits(&config_reg, 1, 4);
|
||||
Adafruit_BusIO_RegisterBits faultT_bits =
|
||||
Adafruit_BusIO_RegisterBits(&config_reg, 2, 2);
|
||||
Adafruit_BusIO_RegisterBits faultR_bit =
|
||||
Adafruit_BusIO_RegisterBits(&config_reg, 1, 1);
|
||||
Adafruit_BusIO_RegisterBits fi50hz_bit =
|
||||
Adafruit_BusIO_RegisterBits(&config_reg, 1, 0);
|
||||
|
||||
// MAX31865 chip related *********************************************************************************************
|
||||
Adafruit_BusIO_Register config_reg = Adafruit_BusIO_Register(&spi_dev, 0x00, ADDRBIT8_HIGH_TOWRITE, 1, MSBFIRST);
|
||||
Adafruit_BusIO_RegisterBits bias_bit = Adafruit_BusIO_RegisterBits(&config_reg, 1, 7);
|
||||
Adafruit_BusIO_RegisterBits auto_bit = Adafruit_BusIO_RegisterBits(&config_reg, 1, 6);
|
||||
Adafruit_BusIO_RegisterBits oneS_bit = Adafruit_BusIO_RegisterBits(&config_reg, 1, 5);
|
||||
Adafruit_BusIO_RegisterBits wire_bit = Adafruit_BusIO_RegisterBits(&config_reg, 1, 4);
|
||||
Adafruit_BusIO_RegisterBits faultT_bits = Adafruit_BusIO_RegisterBits(&config_reg, 2, 2);
|
||||
Adafruit_BusIO_RegisterBits faultR_bit = Adafruit_BusIO_RegisterBits(&config_reg, 1, 1);
|
||||
Adafruit_BusIO_RegisterBits fi50hz_bit = Adafruit_BusIO_RegisterBits(&config_reg, 1, 0);
|
||||
Adafruit_BusIO_Register rRatio_reg =
|
||||
Adafruit_BusIO_Register(&spi_dev, 0x01, ADDRBIT8_HIGH_TOWRITE, 2, MSBFIRST);
|
||||
Adafruit_BusIO_RegisterBits rRatio_bits =
|
||||
Adafruit_BusIO_RegisterBits(&rRatio_reg, 15, 1);
|
||||
Adafruit_BusIO_RegisterBits fault_bit =
|
||||
Adafruit_BusIO_RegisterBits(&rRatio_reg, 1, 0);
|
||||
|
||||
Adafruit_BusIO_Register rRatio_reg = Adafruit_BusIO_Register(&spi_dev, 0x01, ADDRBIT8_HIGH_TOWRITE, 2, MSBFIRST);
|
||||
Adafruit_BusIO_RegisterBits rRatio_bits = Adafruit_BusIO_RegisterBits(&rRatio_reg, 15, 1);
|
||||
Adafruit_BusIO_RegisterBits fault_bit = Adafruit_BusIO_RegisterBits(&rRatio_reg, 1, 0);
|
||||
Adafruit_BusIO_Register maxRratio_reg =
|
||||
Adafruit_BusIO_Register(&spi_dev, 0x03, ADDRBIT8_HIGH_TOWRITE, 2, MSBFIRST);
|
||||
Adafruit_BusIO_RegisterBits maxRratio_bits =
|
||||
Adafruit_BusIO_RegisterBits(&maxRratio_reg, 15, 1);
|
||||
|
||||
Adafruit_BusIO_Register maxRratio_reg = Adafruit_BusIO_Register(&spi_dev, 0x03, ADDRBIT8_HIGH_TOWRITE, 2, MSBFIRST);
|
||||
Adafruit_BusIO_RegisterBits maxRratio_bits = Adafruit_BusIO_RegisterBits(&maxRratio_reg, 15, 1);
|
||||
Adafruit_BusIO_Register minRratio_reg =
|
||||
Adafruit_BusIO_Register(&spi_dev, 0x05, ADDRBIT8_HIGH_TOWRITE, 2, MSBFIRST);
|
||||
Adafruit_BusIO_RegisterBits minRratio_bits =
|
||||
Adafruit_BusIO_RegisterBits(&minRratio_reg, 15, 1);
|
||||
|
||||
Adafruit_BusIO_Register minRratio_reg = Adafruit_BusIO_Register(&spi_dev, 0x05, ADDRBIT8_HIGH_TOWRITE, 2, MSBFIRST);
|
||||
Adafruit_BusIO_RegisterBits minRratio_bits = Adafruit_BusIO_RegisterBits(&minRratio_reg, 15, 1);
|
||||
|
||||
Adafruit_BusIO_Register fault_reg = Adafruit_BusIO_Register(&spi_dev, 0x07, ADDRBIT8_HIGH_TOWRITE, 1, MSBFIRST);
|
||||
Adafruit_BusIO_RegisterBits range_high_fault_bit = Adafruit_BusIO_RegisterBits(&fault_reg, 1, 7);
|
||||
Adafruit_BusIO_RegisterBits range_low_fault_bit = Adafruit_BusIO_RegisterBits(&fault_reg, 1, 6);
|
||||
Adafruit_BusIO_RegisterBits refin_high_fault_bit = Adafruit_BusIO_RegisterBits(&fault_reg, 1, 5);
|
||||
Adafruit_BusIO_RegisterBits refin_low_fault_bit = Adafruit_BusIO_RegisterBits(&fault_reg, 1, 4);
|
||||
Adafruit_BusIO_RegisterBits rtdin_low_fault_bit = Adafruit_BusIO_RegisterBits(&fault_reg, 1, 3);
|
||||
Adafruit_BusIO_RegisterBits voltage_fault_bit = Adafruit_BusIO_RegisterBits(&fault_reg, 1, 2);
|
||||
Adafruit_BusIO_Register fault_reg =
|
||||
Adafruit_BusIO_Register(&spi_dev, 0x07, ADDRBIT8_HIGH_TOWRITE, 1, MSBFIRST);
|
||||
Adafruit_BusIO_RegisterBits range_high_fault_bit =
|
||||
Adafruit_BusIO_RegisterBits(&fault_reg, 1, 7);
|
||||
Adafruit_BusIO_RegisterBits range_low_fault_bit =
|
||||
Adafruit_BusIO_RegisterBits(&fault_reg, 1, 6);
|
||||
Adafruit_BusIO_RegisterBits refin_high_fault_bit =
|
||||
Adafruit_BusIO_RegisterBits(&fault_reg, 1, 5);
|
||||
Adafruit_BusIO_RegisterBits refin_low_fault_bit =
|
||||
Adafruit_BusIO_RegisterBits(&fault_reg, 1, 4);
|
||||
Adafruit_BusIO_RegisterBits rtdin_low_fault_bit =
|
||||
Adafruit_BusIO_RegisterBits(&fault_reg, 1, 3);
|
||||
Adafruit_BusIO_RegisterBits voltage_fault_bit =
|
||||
Adafruit_BusIO_RegisterBits(&fault_reg, 1, 2);
|
||||
|
||||
// Print the details of the configuration register.
|
||||
void printConfig( void ) {
|
||||
Serial.print("BIAS: "); if (bias_bit.read() ) Serial.print("ON"); else Serial.print("OFF");
|
||||
Serial.print(", AUTO: "); if (auto_bit.read() ) Serial.print("ON"); else Serial.print("OFF");
|
||||
Serial.print(", ONES: "); if (oneS_bit.read() ) Serial.print("ON"); else Serial.print("OFF");
|
||||
Serial.print(", WIRE: "); if (wire_bit.read() ) Serial.print("3"); else Serial.print("2/4");
|
||||
Serial.print(", FAULTCLEAR: "); if (faultR_bit.read() ) Serial.print("ON"); else Serial.print("OFF");
|
||||
Serial.print(", "); if (fi50hz_bit.read() ) Serial.print("50HZ"); else Serial.print("60HZ");
|
||||
void printConfig(void) {
|
||||
Serial.print("BIAS: ");
|
||||
if (bias_bit.read())
|
||||
Serial.print("ON");
|
||||
else
|
||||
Serial.print("OFF");
|
||||
Serial.print(", AUTO: ");
|
||||
if (auto_bit.read())
|
||||
Serial.print("ON");
|
||||
else
|
||||
Serial.print("OFF");
|
||||
Serial.print(", ONES: ");
|
||||
if (oneS_bit.read())
|
||||
Serial.print("ON");
|
||||
else
|
||||
Serial.print("OFF");
|
||||
Serial.print(", WIRE: ");
|
||||
if (wire_bit.read())
|
||||
Serial.print("3");
|
||||
else
|
||||
Serial.print("2/4");
|
||||
Serial.print(", FAULTCLEAR: ");
|
||||
if (faultR_bit.read())
|
||||
Serial.print("ON");
|
||||
else
|
||||
Serial.print("OFF");
|
||||
Serial.print(", ");
|
||||
if (fi50hz_bit.read())
|
||||
Serial.print("50HZ");
|
||||
else
|
||||
Serial.print("60HZ");
|
||||
Serial.println();
|
||||
}
|
||||
|
||||
// Check and print faults. Then clear them.
|
||||
void checkFaults( void ) {
|
||||
void checkFaults(void) {
|
||||
if (fault_bit.read()) {
|
||||
Serial.print("MAX: "); Serial.println(maxRratio_bits.read());
|
||||
Serial.print("VAL: "); Serial.println( rRatio_bits.read());
|
||||
Serial.print("MIN: "); Serial.println(minRratio_bits.read());
|
||||
Serial.print("MAX: ");
|
||||
Serial.println(maxRratio_bits.read());
|
||||
Serial.print("VAL: ");
|
||||
Serial.println(rRatio_bits.read());
|
||||
Serial.print("MIN: ");
|
||||
Serial.println(minRratio_bits.read());
|
||||
|
||||
if (range_high_fault_bit.read() ) Serial.println("Range high fault");
|
||||
if ( range_low_fault_bit.read() ) Serial.println("Range low fault");
|
||||
if (refin_high_fault_bit.read() ) Serial.println("REFIN high fault");
|
||||
if ( refin_low_fault_bit.read() ) Serial.println("REFIN low fault");
|
||||
if ( rtdin_low_fault_bit.read() ) Serial.println("RTDIN low fault");
|
||||
if ( voltage_fault_bit.read() ) Serial.println("Voltage fault");
|
||||
if (range_high_fault_bit.read())
|
||||
Serial.println("Range high fault");
|
||||
if (range_low_fault_bit.read())
|
||||
Serial.println("Range low fault");
|
||||
if (refin_high_fault_bit.read())
|
||||
Serial.println("REFIN high fault");
|
||||
if (refin_low_fault_bit.read())
|
||||
Serial.println("REFIN low fault");
|
||||
if (rtdin_low_fault_bit.read())
|
||||
Serial.println("RTDIN low fault");
|
||||
if (voltage_fault_bit.read())
|
||||
Serial.println("Voltage fault");
|
||||
|
||||
faultR_bit.write(1); // clear fault
|
||||
}
|
||||
}
|
||||
|
||||
void setup() {
|
||||
#if (MAX31865_1_READY_PIN != -1)
|
||||
pinMode(MAX31865_READY_PIN ,INPUT_PULLUP);
|
||||
#endif
|
||||
#if (MAX31865_1_READY_PIN != -1)
|
||||
pinMode(MAX31865_READY_PIN, INPUT_PULLUP);
|
||||
#endif
|
||||
|
||||
while (!Serial) { delay(10); }
|
||||
while (!Serial) {
|
||||
delay(10);
|
||||
}
|
||||
Serial.begin(115200);
|
||||
Serial.println("SPI Adafruit_BusIO_RegisterBits test on MAX31865");
|
||||
|
||||
if (!spi_dev.begin()) {
|
||||
Serial.println("Could not initialize SPI device");
|
||||
while (1);
|
||||
while (1)
|
||||
;
|
||||
}
|
||||
|
||||
// Set up for automode 50Hz. We don't care about selfheating. We want the highest possible sampling rate.
|
||||
// Set up for automode 50Hz. We don't care about selfheating. We want the
|
||||
// highest possible sampling rate.
|
||||
auto_bit.write(0); // Don't switch filtermode while auto_mode is on.
|
||||
fi50hz_bit.write(1); // Set filter to 50Hz mode.
|
||||
faultR_bit.write(1); // Clear faults.
|
||||
bias_bit.write(1); // In automode we want to have the bias current always on.
|
||||
delay(5); // Wait until bias current settles down.
|
||||
// 10.5 time constants of the input RC network is required.
|
||||
// 10ms worst case for 10kω reference resistor and a 0.1µF capacitor across the RTD inputs.
|
||||
// Adafruit Module has 0.1µF and only 430/4300ω So here 0.43/4.3ms
|
||||
auto_bit.write(1); // Now we can set automode. Automatically starting first conversion.
|
||||
bias_bit.write(1); // In automode we want to have the bias current always on.
|
||||
delay(5); // Wait until bias current settles down.
|
||||
// 10.5 time constants of the input RC network is required.
|
||||
// 10ms worst case for 10kω reference resistor and a 0.1µF capacitor
|
||||
// across the RTD inputs. Adafruit Module has 0.1µF and only
|
||||
// 430/4300ω So here 0.43/4.3ms
|
||||
auto_bit.write(
|
||||
1); // Now we can set automode. Automatically starting first conversion.
|
||||
|
||||
// Test the READY_PIN
|
||||
#if (defined( MAX31865_READY_PIN ) && (MAX31865_READY_PIN != -1))
|
||||
int i = 0;
|
||||
while (digitalRead(MAX31865_READY_PIN) && i++ <= 100) { delay(1); }
|
||||
if (i >= 100) {
|
||||
Serial.print("ERROR: Max31865 Pin detection does not work. PIN:");
|
||||
Serial.println(MAX31865_READY_PIN);
|
||||
}
|
||||
#else
|
||||
delay(100);
|
||||
#endif
|
||||
// Test the READY_PIN
|
||||
#if (defined(MAX31865_READY_PIN) && (MAX31865_READY_PIN != -1))
|
||||
int i = 0;
|
||||
while (digitalRead(MAX31865_READY_PIN) && i++ <= 100) {
|
||||
delay(1);
|
||||
}
|
||||
if (i >= 100) {
|
||||
Serial.print("ERROR: Max31865 Pin detection does not work. PIN:");
|
||||
Serial.println(MAX31865_READY_PIN);
|
||||
}
|
||||
#else
|
||||
delay(100);
|
||||
#endif
|
||||
|
||||
// Set ratio range.
|
||||
// Setting the temperatures would need some more calculation - not related to Adafruit_BusIO_RegisterBits.
|
||||
// Setting the temperatures would need some more calculation - not related to
|
||||
// Adafruit_BusIO_RegisterBits.
|
||||
uint16_t ratio = rRatio_bits.read();
|
||||
maxRratio_bits.write( (ratio < 0x8fffu-1000u) ? ratio + 1000u : 0x8fffu );
|
||||
minRratio_bits.write( (ratio > 1000u) ? ratio - 1000u : 0u );
|
||||
maxRratio_bits.write((ratio < 0x8fffu - 1000u) ? ratio + 1000u : 0x8fffu);
|
||||
minRratio_bits.write((ratio > 1000u) ? ratio - 1000u : 0u);
|
||||
|
||||
printConfig();
|
||||
checkFaults();
|
||||
}
|
||||
|
||||
void loop() {
|
||||
#if (defined( MAX31865_READY_PIN ) && (MAX31865_1_READY_PIN != -1))
|
||||
// Is conversion ready?
|
||||
if (!digitalRead(MAX31865_READY_PIN))
|
||||
#else
|
||||
// Warant conversion is ready.
|
||||
delay(21); // 21ms for 50Hz-mode. 19ms in 60Hz-mode.
|
||||
#endif
|
||||
{
|
||||
// Read ratio, calculate temperature, scale, filter and print.
|
||||
Serial.println( rRatio2C( rRatio_bits.read() ) * 100.0f, 0); // Temperature scaled by 100
|
||||
// Check, print, clear faults.
|
||||
checkFaults();
|
||||
}
|
||||
#if (defined(MAX31865_READY_PIN) && (MAX31865_1_READY_PIN != -1))
|
||||
// Is conversion ready?
|
||||
if (!digitalRead(MAX31865_READY_PIN))
|
||||
#else
|
||||
// Warant conversion is ready.
|
||||
delay(21); // 21ms for 50Hz-mode. 19ms in 60Hz-mode.
|
||||
#endif
|
||||
{
|
||||
// Read ratio, calculate temperature, scale, filter and print.
|
||||
Serial.println(rRatio2C(rRatio_bits.read()) * 100.0f,
|
||||
0); // Temperature scaled by 100
|
||||
// Check, print, clear faults.
|
||||
checkFaults();
|
||||
}
|
||||
|
||||
// Do something else.
|
||||
//delay(15000);
|
||||
// delay(15000);
|
||||
}
|
||||
|
||||
|
||||
// Module/Sensor related. Here Adafruit PT100 module with a 2_Wire PT100 Class C *****************************
|
||||
// Module/Sensor related. Here Adafruit PT100 module with a 2_Wire PT100 Class C
|
||||
// *****************************
|
||||
float rRatio2C(uint16_t ratio) {
|
||||
// A simple linear conversion.
|
||||
const float R0 = 100.0f;
|
||||
|
|
@ -165,28 +235,34 @@ float rRatio2C(uint16_t ratio) {
|
|||
const float alphaPT = 0.003850f;
|
||||
const float ADCmax = (1u << 15) - 1.0f;
|
||||
const float rscale = Rref / ADCmax;
|
||||
// Measured temperature in boiling water 101.08°C with factor a = 1 and b = 0. Rref and MAX at about 22±2°C.
|
||||
// Measured temperature in ice/water bath 0.76°C with factor a = 1 and b = 0. Rref and MAX at about 22±2°C.
|
||||
//const float a = 1.0f / (alphaPT * R0);
|
||||
const float a = (100.0f/101.08f) / (alphaPT * R0);
|
||||
//const float b = 0.0f; // 101.08
|
||||
const float b = -0.76f; // 100.32 > 101.08
|
||||
// Measured temperature in boiling water 101.08°C with factor a = 1 and b = 0.
|
||||
// Rref and MAX at about 22±2°C. Measured temperature in ice/water bath 0.76°C
|
||||
// with factor a = 1 and b = 0. Rref and MAX at about 22±2°C.
|
||||
// const float a = 1.0f / (alphaPT * R0);
|
||||
const float a = (100.0f / 101.08f) / (alphaPT * R0);
|
||||
// const float b = 0.0f; // 101.08
|
||||
const float b = -0.76f; // 100.32 > 101.08
|
||||
|
||||
return filterRing( ((ratio * rscale) - R0) * a + b );
|
||||
return filterRing(((ratio * rscale) - R0) * a + b);
|
||||
}
|
||||
|
||||
// General purpose *********************************************************************************************
|
||||
// General purpose
|
||||
// *********************************************************************************************
|
||||
#define RINGLENGTH 250
|
||||
float filterRing( float newVal ) {
|
||||
static float ring[RINGLENGTH] = { 0.0 };
|
||||
float filterRing(float newVal) {
|
||||
static float ring[RINGLENGTH] = {0.0};
|
||||
static uint8_t ringIndex = 0;
|
||||
static bool ringFull = false;
|
||||
|
||||
if ( ringIndex == RINGLENGTH ) { ringFull = true; ringIndex = 0; }
|
||||
if (ringIndex == RINGLENGTH) {
|
||||
ringFull = true;
|
||||
ringIndex = 0;
|
||||
}
|
||||
ring[ringIndex] = newVal;
|
||||
uint8_t loopEnd = (ringFull) ? RINGLENGTH : ringIndex + 1;
|
||||
float ringSum = 0.0f;
|
||||
for (uint8_t i = 0; i < loopEnd; i++) ringSum += ring[i];
|
||||
for (uint8_t i = 0; i < loopEnd; i++)
|
||||
ringSum += ring[i];
|
||||
ringIndex++;
|
||||
return ringSum / loopEnd;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -5,30 +5,36 @@
|
|||
Adafruit_SPIDevice spi_dev = Adafruit_SPIDevice(SPIDEVICE_CS);
|
||||
|
||||
void setup() {
|
||||
while (!Serial) { delay(10); }
|
||||
while (!Serial) {
|
||||
delay(10);
|
||||
}
|
||||
Serial.begin(115200);
|
||||
Serial.println("SPI device register test");
|
||||
|
||||
if (!spi_dev.begin()) {
|
||||
Serial.println("Could not initialize SPI device");
|
||||
while (1);
|
||||
while (1)
|
||||
;
|
||||
}
|
||||
|
||||
Adafruit_BusIO_Register id_reg = Adafruit_BusIO_Register(&spi_dev, 0x0F, ADDRBIT8_HIGH_TOREAD);
|
||||
Adafruit_BusIO_Register id_reg =
|
||||
Adafruit_BusIO_Register(&spi_dev, 0x0F, ADDRBIT8_HIGH_TOREAD);
|
||||
uint8_t id = 0;
|
||||
id_reg.read(&id);
|
||||
Serial.print("ID register = 0x"); Serial.println(id, HEX);
|
||||
Serial.print("ID register = 0x");
|
||||
Serial.println(id, HEX);
|
||||
|
||||
Adafruit_BusIO_Register thresh_reg = Adafruit_BusIO_Register(&spi_dev, 0x0C, ADDRBIT8_HIGH_TOREAD, 2, LSBFIRST);
|
||||
Adafruit_BusIO_Register thresh_reg = Adafruit_BusIO_Register(
|
||||
&spi_dev, 0x0C, ADDRBIT8_HIGH_TOREAD, 2, LSBFIRST);
|
||||
uint16_t thresh = 0;
|
||||
thresh_reg.read(&thresh);
|
||||
Serial.print("Initial threshold register = 0x"); Serial.println(thresh, HEX);
|
||||
Serial.print("Initial threshold register = 0x");
|
||||
Serial.println(thresh, HEX);
|
||||
|
||||
thresh_reg.write(~thresh);
|
||||
|
||||
Serial.print("Post threshold register = 0x"); Serial.println(thresh_reg.read(), HEX);
|
||||
Serial.print("Post threshold register = 0x");
|
||||
Serial.println(thresh_reg.read(), HEX);
|
||||
}
|
||||
|
||||
void loop() {
|
||||
|
||||
}
|
||||
void loop() {}
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
name=Adafruit BusIO
|
||||
version=1.14.1
|
||||
version=1.17.2
|
||||
author=Adafruit
|
||||
maintainer=Adafruit <info@adafruit.com>
|
||||
sentence=This is a library for abstracting away UART, I2C and SPI interfacing
|
||||
|
|
|
|||
Loading…
Reference in New Issue