adafruit-mirror/Adafruit_BusIO
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use the typesafe replacement nullptr instead of NULL (since C++11)

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This commit is contained in:
Christian Riggenbach 2022-04-17 14:36:26 +02:00
parent 3561fd9ff6
commit 4b18d396dc
5 changed files with 15 additions and 15 deletions
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16
Adafruit_BusIO_Register.cpp
View file

@ -21,7 +21,7 @@ Adafruit_BusIO_Register::Adafruit_BusIO_Register(Adafruit_I2CDevice *i2cdevice,
uint8_t byteorder,
uint8_t address_width) {
_i2cdevice = i2cdevice;
_spidevice = NULL;
_spidevice = nullptr;
_addrwidth = address_width;
_address = reg_addr;
_byteorder = byteorder;
@ -50,7 +50,7 @@ Adafruit_BusIO_Register::Adafruit_BusIO_Register(Adafruit_SPIDevice *spidevice,
uint8_t address_width) {
_spidevice = spidevice;
_spiregtype = type;
_i2cdevice = NULL;
_i2cdevice = nullptr;
_addrwidth = address_width;
_address = reg_addr;
_byteorder = byteorder;
@ -59,12 +59,12 @@ Adafruit_BusIO_Register::Adafruit_BusIO_Register(Adafruit_SPIDevice *spidevice,
/*!
* @brief Create a register we access over an I2C or SPI Device. This is a
* handy function because we can pass in NULL for the unused interface, allowing
* libraries to mass-define all the registers
* @param i2cdevice The I2CDevice to use for underlying I2C access, if NULL
* we use SPI
* @param spidevice The SPIDevice to use for underlying SPI access, if NULL
* we use I2C
* handy function because we can pass in nullptr for the unused interface,
* allowing libraries to mass-define all the registers
* @param i2cdevice The I2CDevice to use for underlying I2C access, if
* nullptr we use SPI
* @param spidevice The SPIDevice to use for underlying SPI access, if
* nullptr we use I2C
* @param reg_addr The address pointer value for the I2C/SMBus/SPI register,
* can be 8 or 16 bits
* @param type The method we use to read/write data to SPI (which is not

4
Adafruit_I2CDevice.cpp
View file

@ -106,7 +106,7 @@ bool Adafruit_I2CDevice::write(const uint8_t *buffer, size_t len, bool stop,
_wire->beginTransmission(_addr);
// Write the prefix data (usually an address)
if ((prefix_len != 0) && (prefix_buffer != NULL)) {
if ((prefix_len != 0) && (prefix_buffer != nullptr)) {
if (_wire->write(prefix_buffer, prefix_len) != prefix_len) {
#ifdef DEBUG_SERIAL
DEBUG_SERIAL.println(F("\tI2CDevice failed to write"));
@ -128,7 +128,7 @@ bool Adafruit_I2CDevice::write(const uint8_t *buffer, size_t len, bool stop,
DEBUG_SERIAL.print(F("\tI2CWRITE @ 0x"));
DEBUG_SERIAL.print(_addr, HEX);
DEBUG_SERIAL.print(F(" :: "));
if ((prefix_len != 0) && (prefix_buffer != NULL)) {
if ((prefix_len != 0) && (prefix_buffer != nullptr)) {
for (uint16_t i = 0; i < prefix_len; i++) {
DEBUG_SERIAL.print(F("0x"));
DEBUG_SERIAL.print(prefix_buffer[i], HEX);

2
Adafruit_I2CDevice.h
View file

@ -15,7 +15,7 @@ public:
bool read(uint8_t *buffer, size_t len, bool stop = true);
bool write(const uint8_t *buffer, size_t len, bool stop = true,
const uint8_t *prefix_buffer = NULL, size_t prefix_len = 0);
const uint8_t *prefix_buffer = nullptr, size_t prefix_len = 0);
bool write_then_read(const uint8_t *write_buffer, size_t write_len,
uint8_t *read_buffer, size_t read_len,
bool stop = false);

6
Adafruit_SPIDevice.cpp
View file

@ -69,7 +69,7 @@ Adafruit_SPIDevice::Adafruit_SPIDevice(int8_t cspin, int8_t sckpin,
_dataMode = dataMode;
_begun = false;
_spiSetting = new SPISettings(freq, dataOrder, dataMode);
_spi = NULL;
_spi = nullptr;
}
/*!
@ -123,7 +123,7 @@ void Adafruit_SPIDevice::transfer(uint8_t *buffer, size_t len) {
// hardware SPI is easy
#if defined(SPARK)
_spi->transfer(buffer, buffer, len, NULL);
_spi->transfer(buffer, buffer, len, nullptr);
#elif defined(STM32)
for (size_t i = 0; i < len; i++) {
_spi->transfer(buffer[i]);
@ -325,7 +325,7 @@ bool Adafruit_SPIDevice::write(const uint8_t *buffer, size_t len,
#ifdef DEBUG_SERIAL
DEBUG_SERIAL.print(F("\tSPIDevice Wrote: "));
if ((prefix_len != 0) && (prefix_buffer != NULL)) {
if ((prefix_len != 0) && (prefix_buffer != nullptr)) {
for (uint16_t i = 0; i < prefix_len; i++) {
DEBUG_SERIAL.print(F("0x"));
DEBUG_SERIAL.print(prefix_buffer[i], HEX);

2
Adafruit_SPIDevice.h
View file

@ -78,7 +78,7 @@ public:
bool begin(void);
bool read(uint8_t *buffer, size_t len, uint8_t sendvalue = 0xFF);
bool write(const uint8_t *buffer, size_t len,
const uint8_t *prefix_buffer = NULL, size_t prefix_len = 0);
const uint8_t *prefix_buffer = nullptr, size_t prefix_len = 0);
bool write_then_read(const uint8_t *write_buffer, size_t write_len,
uint8_t *read_buffer, size_t read_len,
uint8_t sendvalue = 0xFF);