u-blox / battery-gauge-bq35100

This class provides APIs to all of the registers of the TI BQ35100 battery gauge, as used on the u-blox C030 primary battery shield.

Dependents:   example-battery-gauge-bq35100

battery_gauge_bq35100.h@2:4c699a813451, 2017-11-10 (annotated)

Committer:
RobMeades
Date:
Fri Nov 10 17:07:06 2017 +0000
Revision:
2:4c699a813451
Parent:
1:ee7cc8d75283 
Functionality at equivalent level to the BQ27411 battery driver.  Good enough for now.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RobMeades 0:cec745c014b7 1 /* mbed Microcontroller Library
RobMeades 0:cec745c014b7 2 * Copyright (c) 2017 u-blox
RobMeades 0:cec745c014b7 3 *
RobMeades 0:cec745c014b7 4 * Licensed under the Apache License, Version 2.0 (the "License");
RobMeades 0:cec745c014b7 5 * you may not use this file except in compliance with the License.
RobMeades 0:cec745c014b7 6 * You may obtain a copy of the License at
RobMeades 0:cec745c014b7 7 *
RobMeades 0:cec745c014b7 8 * http://www.apache.org/licenses/LICENSE-2.0
RobMeades 0:cec745c014b7 9 *
RobMeades 0:cec745c014b7 10 * Unless required by applicable law or agreed to in writing, software
RobMeades 0:cec745c014b7 11 * distributed under the License is distributed on an "AS IS" BASIS,
RobMeades 0:cec745c014b7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
RobMeades 0:cec745c014b7 13 * See the License for the specific language governing permissions and
RobMeades 0:cec745c014b7 14 * limitations under the License.
RobMeades 0:cec745c014b7 15 */
RobMeades 0:cec745c014b7 16
RobMeades 0:cec745c014b7 17 #ifndef BATTERY_GAUGE_BQ35100_H
RobMeades 0:cec745c014b7 18 #define BATTERY_GAUGE_BQ35100_H
RobMeades 0:cec745c014b7 19
RobMeades 0:cec745c014b7 20 /**
RobMeades 0:cec745c014b7 21 * @file battery_gauge_bq35100.h
RobMeades 0:cec745c014b7 22 * This file defines the API to the TI BQ35100 battery gauge chip.
RobMeades 0:cec745c014b7 23 */
RobMeades 0:cec745c014b7 24
RobMeades 0:cec745c014b7 25 /* ----------------------------------------------------------------
RobMeades 0:cec745c014b7 26 * COMPILE-TIME MACROS
RobMeades 0:cec745c014b7 27 * -------------------------------------------------------------- */
RobMeades 0:cec745c014b7 28
RobMeades 0:cec745c014b7 29 /** Device I2C address. */
RobMeades 0:cec745c014b7 30 #define BATTERY_GAUGE_BQ35100_ADDRESS 0x55
RobMeades 0:cec745c014b7 31
RobMeades 1:ee7cc8d75283 32 /** I2C clock frequency.
RobMeades 1:ee7cc8d75283 33 * NOTE: the battery shield board on the C030 platform will not work
RobMeades 1:ee7cc8d75283 34 * at the default I2C clock frequency.
RobMeades 1:ee7cc8d75283 35 */
RobMeades 2:4c699a813451 36 #define I2C_CLOCK_FREQUENCY 100
RobMeades 1:ee7cc8d75283 37
RobMeades 1:ee7cc8d75283 38 /** Settling time after gaugeEnable is set high */
RobMeades 1:ee7cc8d75283 39 #define GAUGE_ENABLE_SETTLING_TIME_MS 10
RobMeades 1:ee7cc8d75283 40
RobMeades 1:ee7cc8d75283 41 /** The default seal codes (step 1 in the higher word, step 2 the lower word), NOT byte reversed. */
RobMeades 1:ee7cc8d75283 42 #define SEAL_CODES_DEFAULT 0x04143672
RobMeades 1:ee7cc8d75283 43
RobMeades 1:ee7cc8d75283 44 /** The default full access codes (step 1 in the higher word, step 2 the lower word). */
RobMeades 1:ee7cc8d75283 45 #define FULL_ACCESS_CODES_DEFAULT 0xFFFFFFFF
RobMeades 0:cec745c014b7 46
RobMeades 0:cec745c014b7 47 /* ----------------------------------------------------------------
RobMeades 0:cec745c014b7 48 * CLASSES
RobMeades 0:cec745c014b7 49 * -------------------------------------------------------------- */
RobMeades 0:cec745c014b7 50
RobMeades 0:cec745c014b7 51 /** BQ35100 battery gauge driver. */
RobMeades 0:cec745c014b7 52 class BatteryGaugeBq35100 {
RobMeades 0:cec745c014b7 53 public:
RobMeades 0:cec745c014b7 54
RobMeades 1:ee7cc8d75283 55 /** The security mode of the BQ35100 chip. */
RobMeades 1:ee7cc8d75283 56 typedef enum {
RobMeades 1:ee7cc8d75283 57 SECURITY_MODE_UNKNOWN = 0x00,
RobMeades 1:ee7cc8d75283 58 SECURITY_MODE_FULL_ACCESS = 0x01, //!< Allows writes to all of memory.
RobMeades 1:ee7cc8d75283 59 SECURITY_MODE_UNSEALED = 0x02, //!< Allows writes to all of memory apart from the security codes area.
RobMeades 1:ee7cc8d75283 60 SECURITY_MODE_SEALED = 0x03 //!< Normal operating mode, prevents accidental writes.
RobMeades 1:ee7cc8d75283 61 } SecurityMode;
RobMeades 1:ee7cc8d75283 62
RobMeades 0:cec745c014b7 63 /** Constructor. */
RobMeades 0:cec745c014b7 64 BatteryGaugeBq35100(void);
RobMeades 0:cec745c014b7 65 /** Destructor. */
RobMeades 0:cec745c014b7 66 ~BatteryGaugeBq35100(void);
RobMeades 0:cec745c014b7 67
RobMeades 0:cec745c014b7 68 /** Initialise the BQ35100 chip. Once initialised
RobMeades 2:4c699a813451 69 * the chip is put into its lowest power state. Any API call
RobMeades 2:4c699a813451 70 * will awaken the chip from this state and then return it once
RobMeades 2:4c699a813451 71 * more to the lowest possible power state.
RobMeades 2:4c699a813451 72 * @param pI2c a pointer to the I2C instance to use.
RobMeades 2:4c699a813451 73 * @param gaugeEnable the gauge enable pin (will be set high to enable the chip).
RobMeades 2:4c699a813451 74 * @param address 7-bit I2C address of the battery gauge chip.
RobMeades 2:4c699a813451 75 * @param sealCodes the two 16 bit seal codes (step 1 in the higher word, step 2 in the
RobMeades 2:4c699a813451 76 * lower word, NOT byte reversed) that will unseal the device if it is sealed.
RobMeades 2:4c699a813451 77 * @return true if successful, otherwise false.
RobMeades 2:4c699a813451 78 */
RobMeades 2:4c699a813451 79 bool init(I2C * pI2c, PinName gaugeEnable = NC, uint8_t address = BATTERY_GAUGE_BQ35100_ADDRESS,
RobMeades 1:ee7cc8d75283 80 uint32_t sealCodes = SEAL_CODES_DEFAULT);
RobMeades 1:ee7cc8d75283 81
RobMeades 1:ee7cc8d75283 82 /** Switch on the battery gauge. Battery gauging must be switched on
RobMeades 2:4c699a813451 83 * for the battery capacity and percentage readings to be valid. The
RobMeades 2:4c699a813451 84 * chip will consume more when battery gauging is switched on.
RobMeades 2:4c699a813451 85 * @param nonVolatile if set to true then the chip will add the
RobMeades 2:4c699a813451 86 * accumulated capacity values to those taken
RobMeades 2:4c699a813451 87 * previously in non-volatile memory when
RobMeades 2:4c699a813451 88 * disableGauge() is called.
RobMeades 2:4c699a813451 89 * @return true if successful, otherwise false.
RobMeades 2:4c699a813451 90 */
RobMeades 2:4c699a813451 91 bool enableGauge(bool nonVolatile = false);
RobMeades 1:ee7cc8d75283 92
RobMeades 2:4c699a813451 93 /** Switch off the battery gauge. If gauging to non-volatile
RobMeades 2:4c699a813451 94 * memory was switched on, the accumulated capacity values
RobMeades 2:4c699a813451 95 * will be stored in non-volatile memory. Please see the warning
RobMeades 2:4c699a813451 96 * in section 5.1.1 of the TI BQ35100 technical reference manual
RobMeades 2:4c699a813451 97 * concerning how frequently this should be done.
RobMeades 2:4c699a813451 98 * @return true if successful, otherwise false.
RobMeades 2:4c699a813451 99 */
RobMeades 1:ee7cc8d75283 100 bool disableGauge(void);
RobMeades 1:ee7cc8d75283 101
RobMeades 1:ee7cc8d75283 102 /** Check whether battery gauging is enabled or not.
RobMeades 2:4c699a813451 103 * @return true if battery gauging is enabled, otherwise false.
RobMeades 2:4c699a813451 104 */
RobMeades 1:ee7cc8d75283 105 bool isGaugeEnabled(void);
RobMeades 1:ee7cc8d75283 106
RobMeades 1:ee7cc8d75283 107 /** Set the designed capacity of the cell.
RobMeades 2:4c699a813451 108 * @param capacityMAh the capacity.
RobMeades 2:4c699a813451 109 * @return true if successful, otherwise false.
RobMeades 2:4c699a813451 110 */
RobMeades 1:ee7cc8d75283 111 bool setDesignCapacity(uint32_t capacityMAh);
RobMeades 1:ee7cc8d75283 112
RobMeades 1:ee7cc8d75283 113 /** Get the designed capacity of the cell.
RobMeades 2:4c699a813451 114 * @param pCapacityMAh a place to put the capacity.
RobMeades 2:4c699a813451 115 * @return true if successful, otherwise false.
RobMeades 2:4c699a813451 116 */
RobMeades 1:ee7cc8d75283 117 bool getDesignCapacity(uint32_t *pCapacityMAh);
RobMeades 1:ee7cc8d75283 118
RobMeades 1:ee7cc8d75283 119 /** Read the temperature of the BQ35100 chip.
RobMeades 2:4c699a813451 120 * @param pTemperatureC place to put the temperature reading.
RobMeades 2:4c699a813451 121 * @return true if successful, otherwise false.
RobMeades 2:4c699a813451 122 */
RobMeades 1:ee7cc8d75283 123 bool getTemperature(int32_t *pTemperatureC);
RobMeades 1:ee7cc8d75283 124
RobMeades 1:ee7cc8d75283 125 /** Read the voltage of the battery.
RobMeades 2:4c699a813451 126 * @param pVoltageMV place to put the voltage reading.
RobMeades 2:4c699a813451 127 * @return true if successful, otherwise false.
RobMeades 2:4c699a813451 128 */
RobMeades 1:ee7cc8d75283 129 bool getVoltage(int32_t *pVoltageMV);
RobMeades 1:ee7cc8d75283 130
RobMeades 1:ee7cc8d75283 131 /** Read the current flowing from the battery.
RobMeades 2:4c699a813451 132 * @param pCurrentMA place to put the current reading.
RobMeades 2:4c699a813451 133 * @return true if successful, otherwise false.
RobMeades 2:4c699a813451 134 */
RobMeades 1:ee7cc8d75283 135 bool getCurrent(int32_t *pCurrentMA);
RobMeades 1:ee7cc8d75283 136
RobMeades 1:ee7cc8d75283 137 /** Read the battery capacity used in uAh (NOT mAh).
RobMeades 2:4c699a813451 138 * @param pCapacityUAh place to put the capacity reading.
RobMeades 2:4c699a813451 139 * @return true if successful, otherwise false.
RobMeades 2:4c699a813451 140 */
RobMeades 1:ee7cc8d75283 141 bool getUsedCapacity(uint32_t *pCapacityUAh);
RobMeades 1:ee7cc8d75283 142
RobMeades 1:ee7cc8d75283 143 /** Get the remaining battery capacity in uAh (NOT mAh).
RobMeades 1:ee7cc8d75283 144 * NOTE: this relies on the Design Capacity of the battery
RobMeades 1:ee7cc8d75283 145 * having been set correctly.
RobMeades 1:ee7cc8d75283 146 * @param pCapacityUAh place to put the capacity reading.
RobMeades 1:ee7cc8d75283 147 * @return true if successful, otherwise false.
RobMeades 1:ee7cc8d75283 148 */
RobMeades 1:ee7cc8d75283 149 bool getRemainingCapacity(uint32_t *pCapacityUAh);
RobMeades 1:ee7cc8d75283 150
RobMeades 1:ee7cc8d75283 151 /** Get the remaining battery capacity in percent.
RobMeades 2:4c699a813451 152 * NOTE: this relies on the Design Capacity of the battery
RobMeades 2:4c699a813451 153 * having been set correctly.
RobMeades 2:4c699a813451 154 * @param pBatteryPercentage place to put the reading.
RobMeades 2:4c699a813451 155 * @return true if successful, otherwise false.
RobMeades 2:4c699a813451 156 */
RobMeades 1:ee7cc8d75283 157 bool getRemainingPercentage(int32_t *pBatteryPercentage);
RobMeades 1:ee7cc8d75283 158
RobMeades 2:4c699a813451 159 /** Indicate that a new battery has been inserted.
RobMeades 2:4c699a813451 160 * @param capacityMAh the capacity of the battery.
RobMeades 2:4c699a813451 161 * @return true if successful, otherwise false.
RobMeades 2:4c699a813451 162 */
RobMeades 2:4c699a813451 163 bool newBattery(uint32_t capacityMAh);
RobMeades 2:4c699a813451 164
RobMeades 2:4c699a813451 165 /** An advanced function to read configuration data from the BQ35100 chip memory.
RobMeades 2:4c699a813451 166 * Please refer to the TI BQ35100 technical reference manual for details of the
RobMeades 2:4c699a813451 167 * address space.This function will unseal the device (using the seal codes
RobMeades 2:4c699a813451 168 * passed into init()) in order to perform the read from data flash and will
RobMeades 2:4c699a813451 169 * restore the previous security state afterwards.
RobMeades 2:4c699a813451 170 * @param address the address of the data within the class.
RobMeades 2:4c699a813451 171 * @param pData a place to put the read data.
RobMeades 2:4c699a813451 172 * @param length the size of the place to put the data block.
RobMeades 2:4c699a813451 173 * @return true if successful, otherwise false.
RobMeades 2:4c699a813451 174 */
RobMeades 2:4c699a813451 175 bool advancedGetConfig(int32_t address, char * pData, int32_t length);
RobMeades 2:4c699a813451 176
RobMeades 2:4c699a813451 177 /** An advanced function to write configuration data to the BQ35100 chip memory.
RobMeades 2:4c699a813451 178 * Please refer to the TI BQ35100 technical reference manual for details of the
RobMeades 2:4c699a813451 179 * address space. This function will unseal the device (using the seal codes
RobMeades 2:4c699a813451 180 * passed into init()) in order to perform the write to data flash and will
RobMeades 2:4c699a813451 181 * restore the previous security state afterwards. However, if the write
RobMeades 2:4c699a813451 182 * operation requires full access (e.g. to change the seal codes) then
RobMeades 2:4c699a813451 183 * the security mode of the device must be changed (through a call to
RobMeades 2:4c699a813451 184 * advancedGetSecurityMode()) first. If this function is used to change the seal
RobMeades 2:4c699a813451 185 * or full access codes for the chip then init() should be called once more to
RobMeades 2:4c699a813451 186 * update the codes used by this driver.
RobMeades 2:4c699a813451 187 * @param address the address to write to.
RobMeades 2:4c699a813451 188 * @param pData a pointer to the data to be written.
RobMeades 2:4c699a813451 189 * @param length the size of the data to be written.
RobMeades 2:4c699a813451 190 * @return true if successful, otherwise false.
RobMeades 2:4c699a813451 191 */
RobMeades 2:4c699a813451 192 bool advancedSetConfig(int32_t address, const char * pData, int32_t length);
RobMeades 2:4c699a813451 193
RobMeades 2:4c699a813451 194 /** Send a control word (see section 11.1 of the BQ35100 technical reference manual).
RobMeades 2:4c699a813451 195 * @param controlWord the control word to send.
RobMeades 2:4c699a813451 196 * @param pDataReturned a place to put the word of data that could be returned,
RobMeades 2:4c699a813451 197 * depending on which control word is used (may be NULL).
RobMeades 2:4c699a813451 198 * @return true if successful, otherwise false.
RobMeades 2:4c699a813451 199 */
RobMeades 2:4c699a813451 200 bool advancedSendControlWord(uint16_t controlWord, uint16_t *pDataReturned);
RobMeades 2:4c699a813451 201
RobMeades 2:4c699a813451 202 /** Read two bytes starting at a given address on the chip.
RobMeades 2:4c699a813451 203 * See sections 11.3 to 11.18 of the BQ35100 technical reference manual for the list
RobMeades 2:4c699a813451 204 * of addresses.
RobMeades 2:4c699a813451 205 * NOTE: this is not a read from data flash, for that you need the advancedGetConfig()
RobMeades 2:4c699a813451 206 * method.
RobMeades 2:4c699a813451 207 * @param address the start address to read from. For instance, for temperature this is 0x06.
RobMeades 2:4c699a813451 208 * @param pDataReturned a place to put the word of data returned.
RobMeades 2:4c699a813451 209 * @return true if successful, otherwise false.
RobMeades 2:4c699a813451 210 */
RobMeades 2:4c699a813451 211 bool advancedGet(uint8_t address, uint16_t *pDataReturned);
RobMeades 2:4c699a813451 212
RobMeades 1:ee7cc8d75283 213 /** Advanced function to get the security mode of the chip.
RobMeades 2:4c699a813451 214 * @return the security mode.
RobMeades 2:4c699a813451 215 */
RobMeades 1:ee7cc8d75283 216 SecurityMode advancedGetSecurityMode(void);
RobMeades 1:ee7cc8d75283 217
RobMeades 2:4c699a813451 218 /** Advanced function to set the security mode of the chip.
RobMeades 2:4c699a813451 219 * SECURITY_MODE_UNSEALED mode allows writes to the chip and read access to
RobMeades 2:4c699a813451 220 * certain proteced areas while SECURITY_MODE_FULL_ACCESS, in addition,
RobMeades 2:4c699a813451 221 * allows the security codes to be updated. All of the functions in this
RobMeades 2:4c699a813451 222 * class are able to work with a SEALED chip, provided the correct codes
RobMeades 2:4c699a813451 223 * are provided to the init() function.
RobMeades 2:4c699a813451 224 * NOTE: it is only possible to move to SECURITY_MODE_FULL_ACCESS from
RobMeades 2:4c699a813451 225 * SECURITY_MODE_UNSEALED.
RobMeades 2:4c699a813451 226 * @return true if successful, otherwise false.
RobMeades 2:4c699a813451 227 */
RobMeades 1:ee7cc8d75283 228 bool advancedSetSecurityMode(SecurityMode securityMode);
RobMeades 1:ee7cc8d75283 229
RobMeades 2:4c699a813451 230 /** Advanced function to perform a hard reset of the chip, reinitialising RAM
RobMeades 2:4c699a813451 231 * data to defaults from ROM.
RobMeades 2:4c699a813451 232 * Note: the security mode of the chip is unaffected.
RobMeades 2:4c699a813451 233 * @return true if successful, otherwise false.
RobMeades 2:4c699a813451 234 */
RobMeades 1:ee7cc8d75283 235 bool advancedReset(void);
RobMeades 0:cec745c014b7 236
RobMeades 0:cec745c014b7 237 protected:
RobMeades 0:cec745c014b7 238 /** Pointer to the I2C interface. */
RobMeades 0:cec745c014b7 239 I2C * gpI2c;
RobMeades 0:cec745c014b7 240 /** The address of the device. */
RobMeades 0:cec745c014b7 241 uint8_t gAddress;
RobMeades 1:ee7cc8d75283 242 /** The gauge enable pin. */
RobMeades 1:ee7cc8d75283 243 DigitalOut *pGaugeEnable;
RobMeades 1:ee7cc8d75283 244 /** The seal codes for the device (step 1 in the higher word, step 2 the lower word), NOT byte reversed. . */
RobMeades 1:ee7cc8d75283 245 uint32_t gSealCodes;
RobMeades 1:ee7cc8d75283 246 /** The full access codes for the device (step 1 in the higher word, step 2 the lower word), NOT byte reversed. . */
RobMeades 1:ee7cc8d75283 247 uint32_t gFullAccessCodes;
RobMeades 0:cec745c014b7 248 /** Flag to indicate device is ready. */
RobMeades 0:cec745c014b7 249 bool gReady;
RobMeades 0:cec745c014b7 250
RobMeades 0:cec745c014b7 251 /** Read two bytes starting at a given address.
RobMeades 1:ee7cc8d75283 252 * Note: gpI2c should be locked before this is called.
RobMeades 1:ee7cc8d75283 253 * @param registerAddress the register address to start reading from.
RobMeades 1:ee7cc8d75283 254 * @param pBytes place to put the two bytes.
RobMeades 1:ee7cc8d75283 255 * @return true if successful, otherwise false.
RobMeades 1:ee7cc8d75283 256 */
RobMeades 1:ee7cc8d75283 257 bool getTwoBytes(uint8_t registerAddress, uint16_t *pBytes);
RobMeades 1:ee7cc8d75283 258
RobMeades 1:ee7cc8d75283 259 /** Compute the checksum of a block of memory in the chip.
RobMeades 1:ee7cc8d75283 260 * @param pData a pointer to the data block.
RobMeades 1:ee7cc8d75283 261 * @parm length the length over which to compute the checksum.
RobMeades 1:ee7cc8d75283 262 * @return the checksum value.
RobMeades 1:ee7cc8d75283 263 */
RobMeades 1:ee7cc8d75283 264 uint8_t computeChecksum(const char * pData, int32_t length);
RobMeades 1:ee7cc8d75283 265
RobMeades 1:ee7cc8d75283 266 /** Read data of a given length and class ID.
RobMeades 1:ee7cc8d75283 267 * Note: gpI2c should be locked before this is called.
RobMeades 1:ee7cc8d75283 268 * @param address the address of the data within the class.
RobMeades 1:ee7cc8d75283 269 * @param pData a place to put the read data.
RobMeades 1:ee7cc8d75283 270 * @param length the size of the place to put the data block.
RobMeades 1:ee7cc8d75283 271 * @return true if successful, otherwise false.
RobMeades 1:ee7cc8d75283 272 */
RobMeades 2:4c699a813451 273 bool readExtendedData(int32_t address, char * pData, int32_t length);
RobMeades 1:ee7cc8d75283 274
RobMeades 1:ee7cc8d75283 275 /** Write an extended data block.
RobMeades 1:ee7cc8d75283 276 * Note: gpI2c should be locked before this is called.
RobMeades 1:ee7cc8d75283 277 * @param address the address to write to.
RobMeades 1:ee7cc8d75283 278 * @param pData a pointer to the data to be written.
RobMeades 1:ee7cc8d75283 279 * @param length the size of the data to be written.
RobMeades 1:ee7cc8d75283 280 * @return true if successful, otherwise false.
RobMeades 1:ee7cc8d75283 281 */
RobMeades 2:4c699a813451 282 bool writeExtendedData(int32_t address, const char * pData, int32_t length);
RobMeades 1:ee7cc8d75283 283
RobMeades 1:ee7cc8d75283 284 /** Get the security mode of the chip.
RobMeades 1:ee7cc8d75283 285 * Note: gpI2c should be locked before this is called.
RobMeades 1:ee7cc8d75283 286 * @return the security mode.
RobMeades 1:ee7cc8d75283 287 */
RobMeades 1:ee7cc8d75283 288 SecurityMode getSecurityMode(void);
RobMeades 1:ee7cc8d75283 289
RobMeades 1:ee7cc8d75283 290 /** Set the security mode of the chip.
RobMeades 1:ee7cc8d75283 291 * Note: gpI2c should be locked before this is called.
RobMeades 1:ee7cc8d75283 292 * @param securityMode the security mode to set.
RobMeades 1:ee7cc8d75283 293 * @return true if successful, otherwise false.
RobMeades 1:ee7cc8d75283 294 */
RobMeades 1:ee7cc8d75283 295 bool setSecurityMode(SecurityMode securityMode);
RobMeades 1:ee7cc8d75283 296
RobMeades 1:ee7cc8d75283 297 /** Make sure that the chip is awake and has taken a reading.
RobMeades 1:ee7cc8d75283 298 * Note: the function does its own locking of gpI2C so that it isn't
RobMeades 1:ee7cc8d75283 299 * held for the entire time we wait for ADC readings to complete.
RobMeades 0:cec745c014b7 300 * @return true if successful, otherwise false.
RobMeades 0:cec745c014b7 301 */
RobMeades 1:ee7cc8d75283 302 bool makeAdcReading(void);
RobMeades 0:cec745c014b7 303 };
RobMeades 0:cec745c014b7 304
RobMeades 0:cec745c014b7 305 #endif
RobMeades 0:cec745c014b7 306
RobMeades 0:cec745c014b7 307 /* End Of File */