Websocket Hello World over a wifi network
Dependencies: EthernetNetIf mbed DNSResolver
Diff: ADXL345/ADXL345.cpp
- Revision:
- 1:e3321116d066
- Parent:
- 0:e10d21debdaa
- Child:
- 2:e7fba3d516b5
--- a/ADXL345/ADXL345.cpp Fri Aug 26 13:23:52 2011 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,405 +0,0 @@ -/** - * @author Aaron Berk - * - * @section LICENSE - * - * Copyright (c) 2010 ARM Limited - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * - * @section DESCRIPTION - * - * ADXL345, triple axis, digital interface, accelerometer. - * - * Datasheet: - * - * http://www.analog.com/static/imported-files/data_sheets/ADXL345.pdf - */ - -/** - * Includes - */ -#include "ADXL345.h" - -ADXL345::ADXL345(PinName mosi, - PinName miso, - PinName sck, - PinName cs) : spi_(mosi, miso, sck), nCS_(cs) { - - //2MHz, allowing us to use the fastest data rates. - spi_.frequency(2000000); - spi_.format(8,3); - - nCS_ = 1; - - wait_us(500); - -} - -int ADXL345::getDevId(void) { - - return oneByteRead(ADXL345_DEVID_REG); - -} - -int ADXL345::getTapThreshold(void) { - - return oneByteRead(ADXL345_THRESH_TAP_REG); - -} - -void ADXL345::setTapThreshold(int threshold) { - - oneByteWrite(ADXL345_THRESH_TAP_REG, threshold); - -} - -int ADXL345::getOffset(int axis) { - - int address = 0; - - if (axis == ADXL345_X) { - address = ADXL345_OFSX_REG; - } else if (axis == ADXL345_Y) { - address = ADXL345_OFSY_REG; - } else if (axis == ADXL345_Z) { - address = ADXL345_OFSZ_REG; - } - - return oneByteRead(address); - -} - -void ADXL345::setOffset(int axis, char offset) { - - int address = 0; - - if (axis == ADXL345_X) { - address = ADXL345_OFSX_REG; - } else if (axis == ADXL345_Y) { - address = ADXL345_OFSY_REG; - } else if (axis == ADXL345_Z) { - address = ADXL345_OFSZ_REG; - } - - return oneByteWrite(address, offset); - -} - -int ADXL345::getTapDuration(void) { - - return oneByteRead(ADXL345_DUR_REG)*625; - -} - -void ADXL345::setTapDuration(int duration_us) { - - int tapDuration = duration_us / 625; - - oneByteWrite(ADXL345_DUR_REG, tapDuration); - -} - -float ADXL345::getTapLatency(void) { - - return oneByteRead(ADXL345_LATENT_REG)*1.25; - -} - -void ADXL345::setTapLatency(int latency_ms) { - - int tapLatency = latency_ms / 1.25; - - oneByteWrite(ADXL345_LATENT_REG, tapLatency); - -} - -float ADXL345::getWindowTime(void) { - - return oneByteRead(ADXL345_WINDOW_REG)*1.25; - -} - -void ADXL345::setWindowTime(int window_ms) { - - int windowTime = window_ms / 1.25; - - oneByteWrite(ADXL345_WINDOW_REG, windowTime); - -} - -int ADXL345::getActivityThreshold(void) { - - return oneByteRead(ADXL345_THRESH_ACT_REG); - -} - -void ADXL345::setActivityThreshold(int threshold) { - - oneByteWrite(ADXL345_THRESH_ACT_REG, threshold); - -} - -int ADXL345::getInactivityThreshold(void) { - - return oneByteRead(ADXL345_THRESH_INACT_REG); - -} - -void ADXL345::setInactivityThreshold(int threshold) { - - return oneByteWrite(ADXL345_THRESH_INACT_REG, threshold); - -} - -int ADXL345::getTimeInactivity(void) { - - return oneByteRead(ADXL345_TIME_INACT_REG); - -} - -void ADXL345::setTimeInactivity(int timeInactivity) { - - oneByteWrite(ADXL345_TIME_INACT_REG, timeInactivity); - -} - -int ADXL345::getActivityInactivityControl(void) { - - return oneByteRead(ADXL345_ACT_INACT_CTL_REG); - -} - -void ADXL345::setActivityInactivityControl(int settings) { - - oneByteWrite(ADXL345_ACT_INACT_CTL_REG, settings); - -} - -int ADXL345::getFreefallThreshold(void) { - - return oneByteRead(ADXL345_THRESH_FF_REG); - -} - -void ADXL345::setFreefallThreshold(int threshold) { - - oneByteWrite(ADXL345_THRESH_FF_REG, threshold); - -} - -int ADXL345::getFreefallTime(void) { - - return oneByteRead(ADXL345_TIME_FF_REG)*5; - -} - -void ADXL345::setFreefallTime(int freefallTime_ms) { - - int freefallTime = freefallTime_ms / 5; - - oneByteWrite(ADXL345_TIME_FF_REG, freefallTime); - -} - -int ADXL345::getTapAxisControl(void) { - - return oneByteRead(ADXL345_TAP_AXES_REG); - -} - -void ADXL345::setTapAxisControl(int settings) { - - oneByteWrite(ADXL345_TAP_AXES_REG, settings); - -} - -int ADXL345::getTapSource(void) { - - return oneByteRead(ADXL345_ACT_TAP_STATUS_REG); - -} - -void ADXL345::setPowerMode(char mode) { - - //Get the current register contents, so we don't clobber the rate value. - char registerContents = oneByteRead(ADXL345_BW_RATE_REG); - - registerContents = (mode << 4) | registerContents; - - oneByteWrite(ADXL345_BW_RATE_REG, registerContents); - -} - -int ADXL345::getPowerControl(void) { - - return oneByteRead(ADXL345_POWER_CTL_REG); - -} - -void ADXL345::setPowerControl(int settings) { - - oneByteWrite(ADXL345_POWER_CTL_REG, settings); - -} - -int ADXL345::getInterruptEnableControl(void) { - - return oneByteRead(ADXL345_INT_ENABLE_REG); - -} - -void ADXL345::setInterruptEnableControl(int settings) { - - oneByteWrite(ADXL345_INT_ENABLE_REG, settings); - -} - -int ADXL345::getInterruptMappingControl(void) { - - return oneByteRead(ADXL345_INT_MAP_REG); - -} - -void ADXL345::setInterruptMappingControl(int settings) { - - oneByteWrite(ADXL345_INT_MAP_REG, settings); - -} - -int ADXL345::getInterruptSource(void){ - - return oneByteRead(ADXL345_INT_SOURCE_REG); - -} - -int ADXL345::getDataFormatControl(void){ - - return oneByteRead(ADXL345_DATA_FORMAT_REG); - -} - -void ADXL345::setDataFormatControl(int settings){ - - oneByteWrite(ADXL345_DATA_FORMAT_REG, settings); - -} - -void ADXL345::setDataRate(int rate) { - - //Get the current register contents, so we don't clobber the power bit. - char registerContents = oneByteRead(ADXL345_BW_RATE_REG); - - registerContents &= 0x10; - registerContents |= rate; - - oneByteWrite(ADXL345_BW_RATE_REG, registerContents); - -} - -void ADXL345::getOutput(int* readings){ - - char buffer[6]; - - multiByteRead(ADXL345_DATAX0_REG, buffer, 6); - - readings[0] = (int)buffer[1] << 8 | (int)buffer[0]; - readings[1] = (int)buffer[3] << 8 | (int)buffer[2]; - readings[2] = (int)buffer[5] << 8 | (int)buffer[4]; - -} - -int ADXL345::getFifoControl(void){ - - return oneByteRead(ADXL345_FIFO_CTL); - -} - -void ADXL345::setFifoControl(int settings){ - - oneByteWrite(ADXL345_FIFO_STATUS, settings); - -} - -int ADXL345::getFifoStatus(void){ - - return oneByteRead(ADXL345_FIFO_STATUS); - -} - -int ADXL345::oneByteRead(int address) { - - int tx = (ADXL345_SPI_READ | (address & 0x3F)); - int rx = 0; - - nCS_ = 0; - //Send address to read from. - spi_.write(tx); - //Read back contents of address. - rx = spi_.write(0x00); - nCS_ = 1; - - return rx; - -} - -void ADXL345::oneByteWrite(int address, char data) { - - int tx = (ADXL345_SPI_WRITE | (address & 0x3F)); - - nCS_ = 0; - //Send address to write to. - spi_.write(tx); - //Send data to be written. - spi_.write(data); - nCS_ = 1; - -} - -void ADXL345::multiByteRead(int startAddress, char* buffer, int size) { - - int tx = (ADXL345_SPI_READ | ADXL345_MULTI_BYTE | (startAddress & 0x3F)); - - nCS_ = 0; - //Send address to start reading from. - spi_.write(tx); - - for (int i = 0; i < size; i++) { - buffer[i] = spi_.write(0x00); - } - - nCS_ = 1; - -} - -void ADXL345::multiByteWrite(int startAddress, char* buffer, int size) { - - int tx = (ADXL345_SPI_WRITE | ADXL345_MULTI_BYTE | (startAddress & 0x3F)); - - nCS_ = 0; - //Send address to start reading from. - spi_.write(tx); - - for (int i = 0; i < size; i++) { - buffer[i] = spi_.write(0x00); - } - - nCS_ = 1; - -}