John Alexander / VL53L3ExpansionBoard

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Dependencies:   VL53L3_Lib

Dependents:  

X_NUCLEO_COMMON/Board/Stmpe1600.h@0:293607457a02, 2020-10-16 (annotated)

Committer:
charlesmn
Date:
Fri Oct 16 15:04:28 2020 +0000
Revision:
0:293607457a02
Change typo in name

Who changed what in which revision?

UserRevisionLine numberNew contents of line
charlesmn 0:293607457a02 1 /**
charlesmn 0:293607457a02 2 ******************************************************************************
charlesmn 0:293607457a02 3 * @file Stmpe1600.h
charlesmn 0:293607457a02 4 * @author AST / EST
charlesmn 0:293607457a02 5 * @version V0.0.1
charlesmn 0:293607457a02 6 * @date 14-April-2015
charlesmn 0:293607457a02 7 * @brief Header file for component stmpe1600
charlesmn 0:293607457a02 8 ******************************************************************************
charlesmn 0:293607457a02 9 * @attention
charlesmn 0:293607457a02 10 *
charlesmn 0:293607457a02 11 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
charlesmn 0:293607457a02 12 *
charlesmn 0:293607457a02 13 * Redistribution and use in source and binary forms, with or without modification,
charlesmn 0:293607457a02 14 * are permitted provided that the following conditions are met:
charlesmn 0:293607457a02 15 * 1. Redistributions of source code must retain the above copyright notice,
charlesmn 0:293607457a02 16 * this list of conditions and the following disclaimer.
charlesmn 0:293607457a02 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
charlesmn 0:293607457a02 18 * this list of conditions and the following disclaimer in the documentation
charlesmn 0:293607457a02 19 * and/or other materials provided with the distribution.
charlesmn 0:293607457a02 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
charlesmn 0:293607457a02 21 * may be used to endorse or promote products derived from this software
charlesmn 0:293607457a02 22 * without specific prior written permission.
charlesmn 0:293607457a02 23 *
charlesmn 0:293607457a02 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
charlesmn 0:293607457a02 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
charlesmn 0:293607457a02 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
charlesmn 0:293607457a02 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
charlesmn 0:293607457a02 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
charlesmn 0:293607457a02 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
charlesmn 0:293607457a02 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
charlesmn 0:293607457a02 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
charlesmn 0:293607457a02 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
charlesmn 0:293607457a02 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
charlesmn 0:293607457a02 34 *
charlesmn 0:293607457a02 35 ******************************************************************************
charlesmn 0:293607457a02 36 */
charlesmn 0:293607457a02 37 #ifndef __STMPE1600_CLASS
charlesmn 0:293607457a02 38 #define __STMPE1600_CLASS
charlesmn 0:293607457a02 39 /* Includes ------------------------------------------------------------------*/
charlesmn 0:293607457a02 40 #include "DevI2C.h"
charlesmn 0:293607457a02 41
charlesmn 0:293607457a02 42 #define STMPE1600_DEF_DEVICE_ADDRESS (uint8_t)0x42*2
charlesmn 0:293607457a02 43 #define STMPE1600_DEF_DIGIOUT_LVL 1
charlesmn 0:293607457a02 44
charlesmn 0:293607457a02 45 /** STMPE1600 registr map **/
charlesmn 0:293607457a02 46 #define CHIP_ID_0_7 (uint8_t)0x00
charlesmn 0:293607457a02 47 #define CHIP_ID_8_15 (uint8_t)0x01
charlesmn 0:293607457a02 48 #define VERSION_ID (uint8_t)0x02
charlesmn 0:293607457a02 49 #define SYS_CTRL (uint8_t)0x03
charlesmn 0:293607457a02 50 #define IEGPIOR_0_7 (uint8_t)0x08
charlesmn 0:293607457a02 51 #define IEGPIOR_8_15 (uint8_t)0x09
charlesmn 0:293607457a02 52 #define ISGPIOR_0_7 (uint8_t)0x0A
charlesmn 0:293607457a02 53 #define ISGPIOR_8_15 (uint8_t)0x0B
charlesmn 0:293607457a02 54 #define GPMR_0_7 (uint8_t)0x10
charlesmn 0:293607457a02 55 #define GPMR_8_15 (uint8_t)0x11
charlesmn 0:293607457a02 56 #define GPSR_0_7 (uint8_t)0x12
charlesmn 0:293607457a02 57 #define GPSR_8_15 (uint8_t)0x13
charlesmn 0:293607457a02 58 #define GPDR_0_7 (uint8_t)0x14
charlesmn 0:293607457a02 59 #define GPDR_8_15 (uint8_t)0x15
charlesmn 0:293607457a02 60 #define GPIR_0_7 (uint8_t)0x16
charlesmn 0:293607457a02 61 #define GPIR_8_15 (uint8_t)0x17
charlesmn 0:293607457a02 62
charlesmn 0:293607457a02 63 #define SOFT_RESET (uint8_t)0x80
charlesmn 0:293607457a02 64
charlesmn 0:293607457a02 65 typedef enum {
charlesmn 0:293607457a02 66 // GPIO Expander pin names
charlesmn 0:293607457a02 67 GPIO_0 = 0,
charlesmn 0:293607457a02 68 GPIO_1,
charlesmn 0:293607457a02 69 GPIO_2,
charlesmn 0:293607457a02 70 GPIO_3,
charlesmn 0:293607457a02 71 GPIO_4,
charlesmn 0:293607457a02 72 GPIO_5,
charlesmn 0:293607457a02 73 GPIO_6,
charlesmn 0:293607457a02 74 GPIO_7,
charlesmn 0:293607457a02 75 GPIO_8,
charlesmn 0:293607457a02 76 GPIO_9,
charlesmn 0:293607457a02 77 GPIO_10,
charlesmn 0:293607457a02 78 GPIO_11,
charlesmn 0:293607457a02 79 GPIO_12,
charlesmn 0:293607457a02 80 GPIO_13,
charlesmn 0:293607457a02 81 GPIO_14,
charlesmn 0:293607457a02 82 GPIO_15,
charlesmn 0:293607457a02 83 NOT_CON
charlesmn 0:293607457a02 84 } ExpGpioPinName;
charlesmn 0:293607457a02 85
charlesmn 0:293607457a02 86 typedef enum {
charlesmn 0:293607457a02 87 INPUT = 0,
charlesmn 0:293607457a02 88 OUTPUT,
charlesmn 0:293607457a02 89 NOT_CONNECTED
charlesmn 0:293607457a02 90 } ExpGpioPinDirection;
charlesmn 0:293607457a02 91
charlesmn 0:293607457a02 92 /* Classes -------------------------------------------------------------------*/
charlesmn 0:293607457a02 93 /** Class representing a single stmpe1600 GPIO expander output pin
charlesmn 0:293607457a02 94 */
charlesmn 0:293607457a02 95 class Stmpe1600DigiOut
charlesmn 0:293607457a02 96 {
charlesmn 0:293607457a02 97
charlesmn 0:293607457a02 98 public:
charlesmn 0:293607457a02 99 /** Constructor
charlesmn 0:293607457a02 100 * @param[in] &i2c device I2C to be used for communication
charlesmn 0:293607457a02 101 * @param[in] outpinname the desired out pin name to be created
charlesmn 0:293607457a02 102 * @param[in] DevAddr the stmpe1600 I2C device address (deft STMPE1600_DEF_DEVICE_ADDRESS)
charlesmn 0:293607457a02 103 * @param[in] lvl the default ot pin level
charlesmn 0:293607457a02 104 */
charlesmn 0:293607457a02 105 Stmpe1600DigiOut(DevI2C *i2c, ExpGpioPinName out_pin_name, uint8_t dev_addr = STMPE1600_DEF_DEVICE_ADDRESS,
charlesmn 0:293607457a02 106 bool lvl = STMPE1600_DEF_DIGIOUT_LVL) : _dev_i2c(i2c), exp_dev_addr(dev_addr), exp_pin_name(out_pin_name)
charlesmn 0:293607457a02 107 {
charlesmn 0:293607457a02 108 uint8_t data[2];
charlesmn 0:293607457a02 109
charlesmn 0:293607457a02 110 if (exp_pin_name == NOT_CON) {
charlesmn 0:293607457a02 111 return;
charlesmn 0:293607457a02 112 }
charlesmn 0:293607457a02 113 /* set the exp_pin_name as output */
charlesmn 0:293607457a02 114 _dev_i2c->i2c_read(data, exp_dev_addr, GPDR_0_7, 1);
charlesmn 0:293607457a02 115 _dev_i2c->i2c_read(&data[1], exp_dev_addr, GPDR_8_15, 1);
charlesmn 0:293607457a02 116 * (uint16_t *) data = * (uint16_t *) data | (1 << (uint16_t) exp_pin_name); // set gpio as out
charlesmn 0:293607457a02 117 _dev_i2c->i2c_write(data, exp_dev_addr, GPDR_0_7, 1);
charlesmn 0:293607457a02 118 _dev_i2c->i2c_write(&data[1], exp_dev_addr, GPDR_8_15, 1);
charlesmn 0:293607457a02 119 write(lvl);
charlesmn 0:293607457a02 120 }
charlesmn 0:293607457a02 121
charlesmn 0:293607457a02 122 /**
charlesmn 0:293607457a02 123 * @brief Write on the out pin
charlesmn 0:293607457a02 124 * @param[in] lvl level to write
charlesmn 0:293607457a02 125 * @return 0 on Success
charlesmn 0:293607457a02 126 */
charlesmn 0:293607457a02 127 void write(int lvl)
charlesmn 0:293607457a02 128 {
charlesmn 0:293607457a02 129 uint8_t data[2];
charlesmn 0:293607457a02 130
charlesmn 0:293607457a02 131 if (exp_pin_name == NOT_CON) {
charlesmn 0:293607457a02 132 return;
charlesmn 0:293607457a02 133 }
charlesmn 0:293607457a02 134 /* set the exp_pin_name state to lvl */
charlesmn 0:293607457a02 135 _dev_i2c->i2c_read(data, exp_dev_addr, GPSR_0_7, 2);
charlesmn 0:293607457a02 136 * (uint16_t *) data = * (uint16_t *) data & (uint16_t)(~(1 << (uint16_t) exp_pin_name)); // set pin mask
charlesmn 0:293607457a02 137 if (lvl) {
charlesmn 0:293607457a02 138 * (uint16_t *) data = * (uint16_t *) data | (uint16_t)(1 << (uint16_t) exp_pin_name);
charlesmn 0:293607457a02 139 }
charlesmn 0:293607457a02 140 _dev_i2c->i2c_write(data, exp_dev_addr, GPSR_0_7, 2);
charlesmn 0:293607457a02 141 }
charlesmn 0:293607457a02 142
charlesmn 0:293607457a02 143 /**
charlesmn 0:293607457a02 144 * @brief Overload assignement operator
charlesmn 0:293607457a02 145 */
charlesmn 0:293607457a02 146 Stmpe1600DigiOut &operator= (int lvl)
charlesmn 0:293607457a02 147 {
charlesmn 0:293607457a02 148 write(lvl);
charlesmn 0:293607457a02 149 return *this;
charlesmn 0:293607457a02 150 }
charlesmn 0:293607457a02 151
charlesmn 0:293607457a02 152 private:
charlesmn 0:293607457a02 153 DevI2C *_dev_i2c;
charlesmn 0:293607457a02 154 uint8_t exp_dev_addr;
charlesmn 0:293607457a02 155 ExpGpioPinName exp_pin_name;
charlesmn 0:293607457a02 156 };
charlesmn 0:293607457a02 157
charlesmn 0:293607457a02 158 /* Classes -------------------------------------------------------------------*/
charlesmn 0:293607457a02 159 /** Class representing a single stmpe1600 GPIO expander input pin
charlesmn 0:293607457a02 160 */
charlesmn 0:293607457a02 161 class Stmpe1600DigiIn
charlesmn 0:293607457a02 162 {
charlesmn 0:293607457a02 163 public:
charlesmn 0:293607457a02 164 /** Constructor
charlesmn 0:293607457a02 165 * @param[in] &i2c device I2C to be used for communication
charlesmn 0:293607457a02 166 * @param[in] inpinname the desired input pin name to be created
charlesmn 0:293607457a02 167 * @param[in] DevAddr the stmpe1600 I2C device addres (deft STMPE1600_DEF_DEVICE_ADDRESS)
charlesmn 0:293607457a02 168 */
charlesmn 0:293607457a02 169 Stmpe1600DigiIn(DevI2C *i2c, ExpGpioPinName in_pin_name,
charlesmn 0:293607457a02 170 uint8_t dev_addr = STMPE1600_DEF_DEVICE_ADDRESS) : _dev_i2c(i2c), exp_dev_addr(dev_addr),
charlesmn 0:293607457a02 171 exp_pin_name(in_pin_name)
charlesmn 0:293607457a02 172 {
charlesmn 0:293607457a02 173 uint8_t data[2];
charlesmn 0:293607457a02 174
charlesmn 0:293607457a02 175 if (exp_pin_name == NOT_CON) {
charlesmn 0:293607457a02 176 return;
charlesmn 0:293607457a02 177 }
charlesmn 0:293607457a02 178 /* set the exp_pin_name as input pin direction */
charlesmn 0:293607457a02 179 _dev_i2c->i2c_read(data, exp_dev_addr, GPDR_0_7, 2);
charlesmn 0:293607457a02 180 * (uint16_t *) data = * (uint16_t *) data & (uint16_t)(~(1 << (uint16_t) exp_pin_name)); // set gpio as in
charlesmn 0:293607457a02 181 _dev_i2c->i2c_write(data, exp_dev_addr, GPDR_0_7, 2);
charlesmn 0:293607457a02 182 }
charlesmn 0:293607457a02 183
charlesmn 0:293607457a02 184 /**
charlesmn 0:293607457a02 185 * @brief Read the input pin
charlesmn 0:293607457a02 186 * @return The pin logical state 0 or 1
charlesmn 0:293607457a02 187 */
charlesmn 0:293607457a02 188 bool read()
charlesmn 0:293607457a02 189 {
charlesmn 0:293607457a02 190 uint8_t data[2];
charlesmn 0:293607457a02 191
charlesmn 0:293607457a02 192 if (exp_pin_name == NOT_CON) {
charlesmn 0:293607457a02 193 return false;
charlesmn 0:293607457a02 194 }
charlesmn 0:293607457a02 195 /* read the exp_pin_name */
charlesmn 0:293607457a02 196 _dev_i2c->i2c_read(data, exp_dev_addr, GPMR_0_7, 2);
charlesmn 0:293607457a02 197 * (uint16_t *) data = * (uint16_t *) data & (uint16_t)(1 << (uint16_t) exp_pin_name); // mask the in gpio
charlesmn 0:293607457a02 198 if (data[0] || data[1]) {
charlesmn 0:293607457a02 199 return true;
charlesmn 0:293607457a02 200 }
charlesmn 0:293607457a02 201 return false;
charlesmn 0:293607457a02 202 }
charlesmn 0:293607457a02 203
charlesmn 0:293607457a02 204 operator int()
charlesmn 0:293607457a02 205 {
charlesmn 0:293607457a02 206 return read();
charlesmn 0:293607457a02 207 }
charlesmn 0:293607457a02 208
charlesmn 0:293607457a02 209 private:
charlesmn 0:293607457a02 210 DevI2C *_dev_i2c;
charlesmn 0:293607457a02 211 uint8_t exp_dev_addr;
charlesmn 0:293607457a02 212 ExpGpioPinName exp_pin_name;
charlesmn 0:293607457a02 213 };
charlesmn 0:293607457a02 214
charlesmn 0:293607457a02 215 /* Classes -------------------------------------------------------------------*/
charlesmn 0:293607457a02 216 /** Class representing a whole stmpe1600 component (16 gpio)
charlesmn 0:293607457a02 217 */
charlesmn 0:293607457a02 218 class Stmpe1600
charlesmn 0:293607457a02 219 {
charlesmn 0:293607457a02 220
charlesmn 0:293607457a02 221 public:
charlesmn 0:293607457a02 222 /** Constructor
charlesmn 0:293607457a02 223 * @param[in] &i2c device I2C to be used for communication
charlesmn 0:293607457a02 224 * @param[in] DevAddr the stmpe1600 I2C device addres (deft STMPE1600_DEF_DEVICE_ADDRESS)
charlesmn 0:293607457a02 225 */
charlesmn 0:293607457a02 226 Stmpe1600(DevI2C *i2c, uint8_t dev_addr = STMPE1600_DEF_DEVICE_ADDRESS) : _dev_i2c(i2c)
charlesmn 0:293607457a02 227 {
charlesmn 0:293607457a02 228 exp_dev_addr = dev_addr;
charlesmn 0:293607457a02 229 write_sys_ctrl(SOFT_RESET);
charlesmn 0:293607457a02 230
charlesmn 0:293607457a02 231 gpdr0_15 = (uint16_t) 0; // gpio dir all IN
charlesmn 0:293607457a02 232 write_16bit_reg(GPDR_0_7, &gpdr0_15);
charlesmn 0:293607457a02 233 gpsr0_15 = (uint16_t) 0x0ffff; // gpio status all 1
charlesmn 0:293607457a02 234 write_16bit_reg(GPSR_0_7, &gpsr0_15);
charlesmn 0:293607457a02 235 }
charlesmn 0:293607457a02 236
charlesmn 0:293607457a02 237 /**
charlesmn 0:293607457a02 238 * @brief Write the SYS_CTRL register
charlesmn 0:293607457a02 239 * @param[in] Data to be written (bit fields)
charlesmn 0:293607457a02 240 */
charlesmn 0:293607457a02 241 void write_sys_ctrl(uint8_t data) // data = SOFT_RESET reset the device
charlesmn 0:293607457a02 242 {
charlesmn 0:293607457a02 243 _dev_i2c->i2c_write(&data, exp_dev_addr, SYS_CTRL, 1);
charlesmn 0:293607457a02 244 }
charlesmn 0:293607457a02 245
charlesmn 0:293607457a02 246 /**
charlesmn 0:293607457a02 247 * @brief Set the out pin
charlesmn 0:293607457a02 248 * @param[in] The pin name
charlesmn 0:293607457a02 249 * @return 0 on Success
charlesmn 0:293607457a02 250 */
charlesmn 0:293607457a02 251 bool set_gpio(ExpGpioPinName pin_name)
charlesmn 0:293607457a02 252 {
charlesmn 0:293607457a02 253 if (pin_name == NOT_CON) {
charlesmn 0:293607457a02 254 return true;
charlesmn 0:293607457a02 255 }
charlesmn 0:293607457a02 256 gpsr0_15 = gpsr0_15 | ((uint16_t) 0x0001 << pin_name);
charlesmn 0:293607457a02 257 write_16bit_reg(GPSR_0_7, &gpsr0_15);
charlesmn 0:293607457a02 258 return false;
charlesmn 0:293607457a02 259 }
charlesmn 0:293607457a02 260
charlesmn 0:293607457a02 261 /**
charlesmn 0:293607457a02 262 * @brief Clear the out pin
charlesmn 0:293607457a02 263 * @param[in] The pin name
charlesmn 0:293607457a02 264 * @return 0 on Success
charlesmn 0:293607457a02 265 */
charlesmn 0:293607457a02 266 bool clear_gpio(ExpGpioPinName pin_name)
charlesmn 0:293607457a02 267 {
charlesmn 0:293607457a02 268 if (pin_name == NOT_CON) {
charlesmn 0:293607457a02 269 return true;
charlesmn 0:293607457a02 270 }
charlesmn 0:293607457a02 271 gpsr0_15 = gpsr0_15 & (~((uint16_t) 0x0001 << pin_name));
charlesmn 0:293607457a02 272 write_16bit_reg(GPSR_0_7, &gpsr0_15);
charlesmn 0:293607457a02 273 return false;
charlesmn 0:293607457a02 274 }
charlesmn 0:293607457a02 275
charlesmn 0:293607457a02 276 /**
charlesmn 0:293607457a02 277 * @brief Read the input pin
charlesmn 0:293607457a02 278 * @param[in] The pin name
charlesmn 0:293607457a02 279 * @return The logical pin level
charlesmn 0:293607457a02 280 */
charlesmn 0:293607457a02 281 bool read_gpio(ExpGpioPinName pin_name)
charlesmn 0:293607457a02 282 {
charlesmn 0:293607457a02 283 uint16_t gpmr0_15;
charlesmn 0:293607457a02 284 if (pin_name == NOT_CON) {
charlesmn 0:293607457a02 285 return true;
charlesmn 0:293607457a02 286 }
charlesmn 0:293607457a02 287 read_16bit_reg(GPMR_0_7, &gpmr0_15);
charlesmn 0:293607457a02 288 gpmr0_15 = gpmr0_15 & ((uint16_t) 0x0001 << pin_name);
charlesmn 0:293607457a02 289 if (gpmr0_15) {
charlesmn 0:293607457a02 290 return true;
charlesmn 0:293607457a02 291 }
charlesmn 0:293607457a02 292 return false;
charlesmn 0:293607457a02 293 }
charlesmn 0:293607457a02 294
charlesmn 0:293607457a02 295 /**
charlesmn 0:293607457a02 296 * @brief Set the pin direction
charlesmn 0:293607457a02 297 * @param[in] The pin name
charlesmn 0:293607457a02 298 * @param[in] The pin direction
charlesmn 0:293607457a02 299 * @return 0 on success
charlesmn 0:293607457a02 300 */
charlesmn 0:293607457a02 301 bool set_gpio_dir(ExpGpioPinName pin_name, ExpGpioPinDirection pin_dir)
charlesmn 0:293607457a02 302 {
charlesmn 0:293607457a02 303
charlesmn 0:293607457a02 304 if (pin_name == NOT_CON || pin_dir == NOT_CONNECTED) {
charlesmn 0:293607457a02 305 return true;
charlesmn 0:293607457a02 306 }
charlesmn 0:293607457a02 307 gpdr0_15 = gpdr0_15 & (~((uint16_t) 0x0001 << pin_name)); // clear the Pin
charlesmn 0:293607457a02 308 gpdr0_15 = gpdr0_15 | ((uint16_t) pin_dir << pin_name);
charlesmn 0:293607457a02 309 write_16bit_reg(GPDR_0_7, &gpdr0_15);
charlesmn 0:293607457a02 310 return false;
charlesmn 0:293607457a02 311 }
charlesmn 0:293607457a02 312
charlesmn 0:293607457a02 313 /**
charlesmn 0:293607457a02 314 * @brief Read a 16 bits register
charlesmn 0:293607457a02 315 * @param[in] The register address
charlesmn 0:293607457a02 316 * @param[in] The pointer to the read data
charlesmn 0:293607457a02 317 */
charlesmn 0:293607457a02 318 void read_16bit_reg(uint8_t reg16_addr, uint16_t *reg16_data)
charlesmn 0:293607457a02 319 {
charlesmn 0:293607457a02 320 _dev_i2c->i2c_read((uint8_t *) reg16_data, exp_dev_addr, reg16_addr, 2);
charlesmn 0:293607457a02 321 }
charlesmn 0:293607457a02 322
charlesmn 0:293607457a02 323 /**
charlesmn 0:293607457a02 324 * @brief Write a 16 bits register
charlesmn 0:293607457a02 325 * @param[in] The register address
charlesmn 0:293607457a02 326 * @param[in] The pointer to the data to be written
charlesmn 0:293607457a02 327 */
charlesmn 0:293607457a02 328 void write_16bit_reg(uint8_t reg16_addr, uint16_t *reg16_data)
charlesmn 0:293607457a02 329 {
charlesmn 0:293607457a02 330 _dev_i2c->i2c_write((uint8_t *) reg16_data, exp_dev_addr, reg16_addr, 2);
charlesmn 0:293607457a02 331 }
charlesmn 0:293607457a02 332
charlesmn 0:293607457a02 333 private:
charlesmn 0:293607457a02 334 DevI2C *_dev_i2c;
charlesmn 0:293607457a02 335 uint16_t gpdr0_15; // local copy of bit direction reg
charlesmn 0:293607457a02 336 uint16_t gpsr0_15; // local copy of bit status reg
charlesmn 0:293607457a02 337 uint8_t exp_dev_addr; // expander device i2c addr
charlesmn 0:293607457a02 338 };
charlesmn 0:293607457a02 339
charlesmn 0:293607457a02 340 #endif // __STMPE1600_CLASS