140 lines
3.1 KiB
C++
140 lines
3.1 KiB
C++
/*
|
|
* BLEValue.cpp
|
|
*
|
|
* Created on: Jul 17, 2017
|
|
* Author: kolban
|
|
*/
|
|
#include "sdkconfig.h"
|
|
#if defined(CONFIG_BT_ENABLED)
|
|
#include "BLEValue.h"
|
|
|
|
#if defined(ARDUINO_ARCH_ESP32) && defined(CONFIG_ARDUHAL_ESP_LOG)
|
|
#include "esp32-hal-log.h"
|
|
#define LOG_TAG ""
|
|
#else
|
|
#include "esp_log.h"
|
|
static const char* LOG_TAG="BLEValue";
|
|
#endif
|
|
|
|
|
|
|
|
BLEValue::BLEValue() {
|
|
m_accumulation = "";
|
|
m_value = "";
|
|
m_readOffset = 0;
|
|
} // BLEValue
|
|
|
|
|
|
/**
|
|
* @brief Add a message part to the accumulation.
|
|
* The accumulation is a growing set of data that is added to until a commit or cancel.
|
|
* @param [in] part A message part being added.
|
|
*/
|
|
void BLEValue::addPart(std::string part) {
|
|
ESP_LOGD(LOG_TAG, ">> addPart: length=%d", part.length());
|
|
m_accumulation += part;
|
|
} // addPart
|
|
|
|
|
|
/**
|
|
* @brief Add a message part to the accumulation.
|
|
* The accumulation is a growing set of data that is added to until a commit or cancel.
|
|
* @param [in] pData A message part being added.
|
|
* @param [in] length The number of bytes being added.
|
|
*/
|
|
void BLEValue::addPart(uint8_t* pData, size_t length) {
|
|
ESP_LOGD(LOG_TAG, ">> addPart: length=%d", length);
|
|
m_accumulation += std::string((char*) pData, length);
|
|
} // addPart
|
|
|
|
|
|
/**
|
|
* @brief Cancel the current accumulation.
|
|
*/
|
|
void BLEValue::cancel() {
|
|
ESP_LOGD(LOG_TAG, ">> cancel");
|
|
m_accumulation = "";
|
|
m_readOffset = 0;
|
|
} // cancel
|
|
|
|
|
|
/**
|
|
* @brief Commit the current accumulation.
|
|
* When writing a value, we may find that we write it in "parts" meaning that the writes come in in pieces
|
|
* of the overall message. After the last part has been received, we may perform a commit which means that
|
|
* we now have the complete message and commit the change as a unit.
|
|
*/
|
|
void BLEValue::commit() {
|
|
ESP_LOGD(LOG_TAG, ">> commit");
|
|
// If there is nothing to commit, do nothing.
|
|
if (m_accumulation.length() == 0) return;
|
|
setValue(m_accumulation);
|
|
m_accumulation = "";
|
|
m_readOffset = 0;
|
|
} // commit
|
|
|
|
|
|
/**
|
|
* @brief Get a pointer to the data.
|
|
* @return A pointer to the data.
|
|
*/
|
|
uint8_t* BLEValue::getData() {
|
|
return (uint8_t*) m_value.data();
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief Get the length of the data in bytes.
|
|
* @return The length of the data in bytes.
|
|
*/
|
|
size_t BLEValue::getLength() {
|
|
return m_value.length();
|
|
} // getLength
|
|
|
|
|
|
/**
|
|
* @brief Get the read offset.
|
|
* @return The read offset into the read.
|
|
*/
|
|
uint16_t BLEValue::getReadOffset() {
|
|
return m_readOffset;
|
|
} // getReadOffset
|
|
|
|
|
|
/**
|
|
* @brief Get the current value.
|
|
*/
|
|
std::string BLEValue::getValue() {
|
|
return m_value;
|
|
} // getValue
|
|
|
|
|
|
/**
|
|
* @brief Set the read offset
|
|
* @param [in] readOffset The offset into the read.
|
|
*/
|
|
void BLEValue::setReadOffset(uint16_t readOffset) {
|
|
m_readOffset = readOffset;
|
|
} // setReadOffset
|
|
|
|
|
|
/**
|
|
* @brief Set the current value.
|
|
*/
|
|
void BLEValue::setValue(std::string value) {
|
|
m_value = value;
|
|
} // setValue
|
|
|
|
|
|
/**
|
|
* @brief Set the current value.
|
|
* @param [in] pData The data for the current value.
|
|
* @param [in] The length of the new current value.
|
|
*/
|
|
void BLEValue::setValue(uint8_t* pData, size_t length) {
|
|
m_value = std::string((char*) pData, length);
|
|
} // setValue
|
|
|
|
|
|
#endif // CONFIG_BT_ENABLED
|