Daniel Levine / VL53L0X_MAX32630FTHR

Makes the VL53L0X library compatible with MAX32630FTHR definitions. Adjusts default sensor settings to fastest reading (20ms) vs. default (30ms).

Dependencies:   ST_INTERFACES X_NUCLEO_COMMON

Fork of VL53L0X by ST

STMPE1600/Stmpe1600.h@5:d25feb417ac1, 2018-03-13 (annotated)

Committer:
DVLevine
Date:
Tue Mar 13 01:23:22 2018 +0000
Revision:
5:d25feb417ac1
Parent:
0:a1a69d32f310 
changed library for compatibility with MAX32630 definitions and changed prox mode to fast readings (20ms) vs. default long distance setting (33ms).

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nikapov 0:a1a69d32f310 1 /**
nikapov 0:a1a69d32f310 2 ******************************************************************************
nikapov 0:a1a69d32f310 3 * @file Stmpe1600.h
nikapov 0:a1a69d32f310 4 * @author AST / EST
nikapov 0:a1a69d32f310 5 * @version V0.0.1
nikapov 0:a1a69d32f310 6 * @date 14-April-2015
nikapov 0:a1a69d32f310 7 * @brief Header file for component stmpe1600
nikapov 0:a1a69d32f310 8 ******************************************************************************
nikapov 0:a1a69d32f310 9 * @attention
nikapov 0:a1a69d32f310 10 *
nikapov 0:a1a69d32f310 11 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
nikapov 0:a1a69d32f310 12 *
nikapov 0:a1a69d32f310 13 * Redistribution and use in source and binary forms, with or without modification,
nikapov 0:a1a69d32f310 14 * are permitted provided that the following conditions are met:
nikapov 0:a1a69d32f310 15 * 1. Redistributions of source code must retain the above copyright notice,
nikapov 0:a1a69d32f310 16 * this list of conditions and the following disclaimer.
nikapov 0:a1a69d32f310 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
nikapov 0:a1a69d32f310 18 * this list of conditions and the following disclaimer in the documentation
nikapov 0:a1a69d32f310 19 * and/or other materials provided with the distribution.
nikapov 0:a1a69d32f310 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
nikapov 0:a1a69d32f310 21 * may be used to endorse or promote products derived from this software
nikapov 0:a1a69d32f310 22 * without specific prior written permission.
nikapov 0:a1a69d32f310 23 *
nikapov 0:a1a69d32f310 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
nikapov 0:a1a69d32f310 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
nikapov 0:a1a69d32f310 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
nikapov 0:a1a69d32f310 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
nikapov 0:a1a69d32f310 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
nikapov 0:a1a69d32f310 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
nikapov 0:a1a69d32f310 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
nikapov 0:a1a69d32f310 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
nikapov 0:a1a69d32f310 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
nikapov 0:a1a69d32f310 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
nikapov 0:a1a69d32f310 34 *
nikapov 0:a1a69d32f310 35 ******************************************************************************
nikapov 0:a1a69d32f310 36 */
nikapov 0:a1a69d32f310 37 #ifndef __STMPE1600_CLASS
nikapov 0:a1a69d32f310 38 #define __STMPE1600_CLASS
nikapov 0:a1a69d32f310 39 /* Includes ------------------------------------------------------------------*/
nikapov 0:a1a69d32f310 40 #include "DevI2C.h"
nikapov 0:a1a69d32f310 41
nikapov 0:a1a69d32f310 42 #define STMPE1600_DEF_DEVICE_ADDRESS (uint8_t)0x42*2
nikapov 0:a1a69d32f310 43 #define STMPE1600_DEF_DIGIOUT_LVL 1
nikapov 0:a1a69d32f310 44
nikapov 0:a1a69d32f310 45 /** STMPE1600 registr map **/
nikapov 0:a1a69d32f310 46 #define CHIP_ID_0_7 (uint8_t)0x00
nikapov 0:a1a69d32f310 47 #define CHIP_ID_8_15 (uint8_t)0x01
nikapov 0:a1a69d32f310 48 #define VERSION_ID (uint8_t)0x02
nikapov 0:a1a69d32f310 49 #define SYS_CTRL (uint8_t)0x03
nikapov 0:a1a69d32f310 50 #define IEGPIOR_0_7 (uint8_t)0x08
nikapov 0:a1a69d32f310 51 #define IEGPIOR_8_15 (uint8_t)0x09
nikapov 0:a1a69d32f310 52 #define ISGPIOR_0_7 (uint8_t)0x0A
nikapov 0:a1a69d32f310 53 #define ISGPIOR_8_15 (uint8_t)0x0B
nikapov 0:a1a69d32f310 54 #define GPMR_0_7 (uint8_t)0x10
nikapov 0:a1a69d32f310 55 #define GPMR_8_15 (uint8_t)0x11
nikapov 0:a1a69d32f310 56 #define GPSR_0_7 (uint8_t)0x12
nikapov 0:a1a69d32f310 57 #define GPSR_8_15 (uint8_t)0x13
nikapov 0:a1a69d32f310 58 #define GPDR_0_7 (uint8_t)0x14
nikapov 0:a1a69d32f310 59 #define GPDR_8_15 (uint8_t)0x15
nikapov 0:a1a69d32f310 60 #define GPIR_0_7 (uint8_t)0x16
nikapov 0:a1a69d32f310 61 #define GPIR_8_15 (uint8_t)0x17
nikapov 0:a1a69d32f310 62
nikapov 0:a1a69d32f310 63 #define SOFT_RESET (uint8_t)0x80
nikapov 0:a1a69d32f310 64
nikapov 0:a1a69d32f310 65 typedef enum {
nikapov 0:a1a69d32f310 66 // GPIO Expander pin names
nikapov 0:a1a69d32f310 67 GPIO_0 = 0,
nikapov 0:a1a69d32f310 68 GPIO_1,
nikapov 0:a1a69d32f310 69 GPIO_2,
nikapov 0:a1a69d32f310 70 GPIO_3,
nikapov 0:a1a69d32f310 71 GPIO_4,
nikapov 0:a1a69d32f310 72 GPIO_5,
nikapov 0:a1a69d32f310 73 GPIO_6,
nikapov 0:a1a69d32f310 74 GPIO_7,
nikapov 0:a1a69d32f310 75 GPIO_8,
nikapov 0:a1a69d32f310 76 GPIO_9,
nikapov 0:a1a69d32f310 77 GPIO_10,
nikapov 0:a1a69d32f310 78 GPIO_11,
nikapov 0:a1a69d32f310 79 GPIO_12,
nikapov 0:a1a69d32f310 80 GPIO_13,
nikapov 0:a1a69d32f310 81 GPIO_14,
nikapov 0:a1a69d32f310 82 GPIO_15,
nikapov 0:a1a69d32f310 83 NOT_CON
nikapov 0:a1a69d32f310 84 } ExpGpioPinName;
nikapov 0:a1a69d32f310 85
nikapov 0:a1a69d32f310 86 typedef enum {
nikapov 0:a1a69d32f310 87 INPUT = 0,
nikapov 0:a1a69d32f310 88 OUTPUT,
DVLevine 5:d25feb417ac1 89 NOT_CONNECTED_prox
nikapov 0:a1a69d32f310 90 } ExpGpioPinDirection;
nikapov 0:a1a69d32f310 91
nikapov 0:a1a69d32f310 92 /* Classes -------------------------------------------------------------------*/
nikapov 0:a1a69d32f310 93 /** Class representing a single stmpe1600 GPIO expander output pin
nikapov 0:a1a69d32f310 94 */
nikapov 0:a1a69d32f310 95 class Stmpe1600DigiOut
nikapov 0:a1a69d32f310 96 {
nikapov 0:a1a69d32f310 97
nikapov 0:a1a69d32f310 98 public:
nikapov 0:a1a69d32f310 99 /** Constructor
nikapov 0:a1a69d32f310 100 * @param[in] &i2c device I2C to be used for communication
nikapov 0:a1a69d32f310 101 * @param[in] outpinname the desired out pin name to be created
nikapov 0:a1a69d32f310 102 * @param[in] DevAddr the stmpe1600 I2C device address (deft STMPE1600_DEF_DEVICE_ADDRESS)
nikapov 0:a1a69d32f310 103 * @param[in] lvl the default ot pin level
nikapov 0:a1a69d32f310 104 */
nikapov 0:a1a69d32f310 105 Stmpe1600DigiOut(DevI2C *i2c, ExpGpioPinName out_pin_name, uint8_t dev_addr = STMPE1600_DEF_DEVICE_ADDRESS,
nikapov 0:a1a69d32f310 106 bool lvl = STMPE1600_DEF_DIGIOUT_LVL) : _dev_i2c(i2c), exp_dev_addr(dev_addr), exp_pin_name(out_pin_name)
nikapov 0:a1a69d32f310 107 {
nikapov 0:a1a69d32f310 108 uint8_t data[2];
nikapov 0:a1a69d32f310 109
nikapov 0:a1a69d32f310 110 if (exp_pin_name == NOT_CON) {
nikapov 0:a1a69d32f310 111 return;
nikapov 0:a1a69d32f310 112 }
nikapov 0:a1a69d32f310 113 /* set the exp_pin_name as output */
nikapov 0:a1a69d32f310 114 _dev_i2c->i2c_read(data, exp_dev_addr, GPDR_0_7, 1);
nikapov 0:a1a69d32f310 115 _dev_i2c->i2c_read(&data[1], exp_dev_addr, GPDR_8_15, 1);
nikapov 0:a1a69d32f310 116 * (uint16_t *) data = * (uint16_t *) data | (1 << (uint16_t) exp_pin_name); // set gpio as out
nikapov 0:a1a69d32f310 117 _dev_i2c->i2c_write(data, exp_dev_addr, GPDR_0_7, 1);
nikapov 0:a1a69d32f310 118 _dev_i2c->i2c_write(&data[1], exp_dev_addr, GPDR_8_15, 1);
nikapov 0:a1a69d32f310 119 write(lvl);
nikapov 0:a1a69d32f310 120 }
nikapov 0:a1a69d32f310 121
nikapov 0:a1a69d32f310 122 /**
nikapov 0:a1a69d32f310 123 * @brief Write on the out pin
nikapov 0:a1a69d32f310 124 * @param[in] lvl level to write
nikapov 0:a1a69d32f310 125 * @return 0 on Success
nikapov 0:a1a69d32f310 126 */
nikapov 0:a1a69d32f310 127 void write(int lvl)
nikapov 0:a1a69d32f310 128 {
nikapov 0:a1a69d32f310 129 uint8_t data[2];
nikapov 0:a1a69d32f310 130
nikapov 0:a1a69d32f310 131 if (exp_pin_name == NOT_CON) {
nikapov 0:a1a69d32f310 132 return;
nikapov 0:a1a69d32f310 133 }
nikapov 0:a1a69d32f310 134 /* set the exp_pin_name state to lvl */
nikapov 0:a1a69d32f310 135 _dev_i2c->i2c_read(data, exp_dev_addr, GPSR_0_7, 2);
nikapov 0:a1a69d32f310 136 * (uint16_t *) data = * (uint16_t *) data & (uint16_t)(~(1 << (uint16_t) exp_pin_name)); // set pin mask
nikapov 0:a1a69d32f310 137 if (lvl) {
nikapov 0:a1a69d32f310 138 * (uint16_t *) data = * (uint16_t *) data | (uint16_t)(1 << (uint16_t) exp_pin_name);
nikapov 0:a1a69d32f310 139 }
nikapov 0:a1a69d32f310 140 _dev_i2c->i2c_write(data, exp_dev_addr, GPSR_0_7, 2);
nikapov 0:a1a69d32f310 141 }
nikapov 0:a1a69d32f310 142
nikapov 0:a1a69d32f310 143 /**
nikapov 0:a1a69d32f310 144 * @brief Overload assignement operator
nikapov 0:a1a69d32f310 145 */
nikapov 0:a1a69d32f310 146 Stmpe1600DigiOut &operator= (int lvl)
nikapov 0:a1a69d32f310 147 {
nikapov 0:a1a69d32f310 148 write(lvl);
nikapov 0:a1a69d32f310 149 return *this;
nikapov 0:a1a69d32f310 150 }
nikapov 0:a1a69d32f310 151
nikapov 0:a1a69d32f310 152 private:
nikapov 0:a1a69d32f310 153 DevI2C *_dev_i2c;
nikapov 0:a1a69d32f310 154 uint8_t exp_dev_addr;
nikapov 0:a1a69d32f310 155 ExpGpioPinName exp_pin_name;
nikapov 0:a1a69d32f310 156 };
nikapov 0:a1a69d32f310 157
nikapov 0:a1a69d32f310 158 /* Classes -------------------------------------------------------------------*/
nikapov 0:a1a69d32f310 159 /** Class representing a single stmpe1600 GPIO expander input pin
nikapov 0:a1a69d32f310 160 */
nikapov 0:a1a69d32f310 161 class Stmpe1600DigiIn
nikapov 0:a1a69d32f310 162 {
nikapov 0:a1a69d32f310 163 public:
nikapov 0:a1a69d32f310 164 /** Constructor
nikapov 0:a1a69d32f310 165 * @param[in] &i2c device I2C to be used for communication
nikapov 0:a1a69d32f310 166 * @param[in] inpinname the desired input pin name to be created
nikapov 0:a1a69d32f310 167 * @param[in] DevAddr the stmpe1600 I2C device addres (deft STMPE1600_DEF_DEVICE_ADDRESS)
nikapov 0:a1a69d32f310 168 */
nikapov 0:a1a69d32f310 169 Stmpe1600DigiIn(DevI2C *i2c, ExpGpioPinName in_pin_name,
nikapov 0:a1a69d32f310 170 uint8_t dev_addr = STMPE1600_DEF_DEVICE_ADDRESS) : _dev_i2c(i2c), exp_dev_addr(dev_addr),
nikapov 0:a1a69d32f310 171 exp_pin_name(in_pin_name)
nikapov 0:a1a69d32f310 172 {
nikapov 0:a1a69d32f310 173 uint8_t data[2];
nikapov 0:a1a69d32f310 174
nikapov 0:a1a69d32f310 175 if (exp_pin_name == NOT_CON) {
nikapov 0:a1a69d32f310 176 return;
nikapov 0:a1a69d32f310 177 }
nikapov 0:a1a69d32f310 178 /* set the exp_pin_name as input pin direction */
nikapov 0:a1a69d32f310 179 _dev_i2c->i2c_read(data, exp_dev_addr, GPDR_0_7, 2);
nikapov 0:a1a69d32f310 180 * (uint16_t *) data = * (uint16_t *) data & (uint16_t)(~(1 << (uint16_t) exp_pin_name)); // set gpio as in
nikapov 0:a1a69d32f310 181 _dev_i2c->i2c_write(data, exp_dev_addr, GPDR_0_7, 2);
nikapov 0:a1a69d32f310 182 }
nikapov 0:a1a69d32f310 183
nikapov 0:a1a69d32f310 184 /**
nikapov 0:a1a69d32f310 185 * @brief Read the input pin
nikapov 0:a1a69d32f310 186 * @return The pin logical state 0 or 1
nikapov 0:a1a69d32f310 187 */
nikapov 0:a1a69d32f310 188 bool read()
nikapov 0:a1a69d32f310 189 {
nikapov 0:a1a69d32f310 190 uint8_t data[2];
nikapov 0:a1a69d32f310 191
nikapov 0:a1a69d32f310 192 if (exp_pin_name == NOT_CON) {
nikapov 0:a1a69d32f310 193 return false;
nikapov 0:a1a69d32f310 194 }
nikapov 0:a1a69d32f310 195 /* read the exp_pin_name */
nikapov 0:a1a69d32f310 196 _dev_i2c->i2c_read(data, exp_dev_addr, GPMR_0_7, 2);
nikapov 0:a1a69d32f310 197 * (uint16_t *) data = * (uint16_t *) data & (uint16_t)(1 << (uint16_t) exp_pin_name); // mask the in gpio
nikapov 0:a1a69d32f310 198 if (data[0] || data[1]) {
nikapov 0:a1a69d32f310 199 return true;
nikapov 0:a1a69d32f310 200 }
nikapov 0:a1a69d32f310 201 return false;
nikapov 0:a1a69d32f310 202 }
nikapov 0:a1a69d32f310 203
nikapov 0:a1a69d32f310 204 operator int()
nikapov 0:a1a69d32f310 205 {
nikapov 0:a1a69d32f310 206 return read();
nikapov 0:a1a69d32f310 207 }
nikapov 0:a1a69d32f310 208
nikapov 0:a1a69d32f310 209 private:
nikapov 0:a1a69d32f310 210 DevI2C *_dev_i2c;
nikapov 0:a1a69d32f310 211 uint8_t exp_dev_addr;
nikapov 0:a1a69d32f310 212 ExpGpioPinName exp_pin_name;
nikapov 0:a1a69d32f310 213 };
nikapov 0:a1a69d32f310 214
nikapov 0:a1a69d32f310 215 /* Classes -------------------------------------------------------------------*/
nikapov 0:a1a69d32f310 216 /** Class representing a whole stmpe1600 component (16 gpio)
nikapov 0:a1a69d32f310 217 */
nikapov 0:a1a69d32f310 218 class Stmpe1600
nikapov 0:a1a69d32f310 219 {
nikapov 0:a1a69d32f310 220
nikapov 0:a1a69d32f310 221 public:
nikapov 0:a1a69d32f310 222 /** Constructor
nikapov 0:a1a69d32f310 223 * @param[in] &i2c device I2C to be used for communication
nikapov 0:a1a69d32f310 224 * @param[in] DevAddr the stmpe1600 I2C device addres (deft STMPE1600_DEF_DEVICE_ADDRESS)
nikapov 0:a1a69d32f310 225 */
nikapov 0:a1a69d32f310 226 Stmpe1600(DevI2C *i2c, uint8_t dev_addr = STMPE1600_DEF_DEVICE_ADDRESS) : _dev_i2c(i2c)
nikapov 0:a1a69d32f310 227 {
nikapov 0:a1a69d32f310 228 exp_dev_addr = dev_addr;
nikapov 0:a1a69d32f310 229 write_sys_ctrl(SOFT_RESET);
nikapov 0:a1a69d32f310 230
nikapov 0:a1a69d32f310 231 gpdr0_15 = (uint16_t) 0; // gpio dir all IN
nikapov 0:a1a69d32f310 232 write_16bit_reg(GPDR_0_7, &gpdr0_15);
nikapov 0:a1a69d32f310 233 gpsr0_15 = (uint16_t) 0x0ffff; // gpio status all 1
nikapov 0:a1a69d32f310 234 write_16bit_reg(GPSR_0_7, &gpsr0_15);
nikapov 0:a1a69d32f310 235 }
nikapov 0:a1a69d32f310 236
nikapov 0:a1a69d32f310 237 /**
nikapov 0:a1a69d32f310 238 * @brief Write the SYS_CTRL register
nikapov 0:a1a69d32f310 239 * @param[in] Data to be written (bit fields)
nikapov 0:a1a69d32f310 240 */
nikapov 0:a1a69d32f310 241 void write_sys_ctrl(uint8_t data) // data = SOFT_RESET reset the device
nikapov 0:a1a69d32f310 242 {
nikapov 0:a1a69d32f310 243 _dev_i2c->i2c_write(&data, exp_dev_addr, SYS_CTRL, 1);
nikapov 0:a1a69d32f310 244 }
nikapov 0:a1a69d32f310 245
nikapov 0:a1a69d32f310 246 /**
nikapov 0:a1a69d32f310 247 * @brief Set the out pin
nikapov 0:a1a69d32f310 248 * @param[in] The pin name
nikapov 0:a1a69d32f310 249 * @return 0 on Success
nikapov 0:a1a69d32f310 250 */
nikapov 0:a1a69d32f310 251 bool set_gpio(ExpGpioPinName pin_name)
nikapov 0:a1a69d32f310 252 {
nikapov 0:a1a69d32f310 253 if (pin_name == NOT_CON) {
nikapov 0:a1a69d32f310 254 return true;
nikapov 0:a1a69d32f310 255 }
nikapov 0:a1a69d32f310 256 gpsr0_15 = gpsr0_15 | ((uint16_t) 0x0001 << pin_name);
nikapov 0:a1a69d32f310 257 write_16bit_reg(GPSR_0_7, &gpsr0_15);
nikapov 0:a1a69d32f310 258 return false;
nikapov 0:a1a69d32f310 259 }
nikapov 0:a1a69d32f310 260
nikapov 0:a1a69d32f310 261 /**
nikapov 0:a1a69d32f310 262 * @brief Clear the out pin
nikapov 0:a1a69d32f310 263 * @param[in] The pin name
nikapov 0:a1a69d32f310 264 * @return 0 on Success
nikapov 0:a1a69d32f310 265 */
nikapov 0:a1a69d32f310 266 bool clear_gpio(ExpGpioPinName pin_name)
nikapov 0:a1a69d32f310 267 {
nikapov 0:a1a69d32f310 268 if (pin_name == NOT_CON) {
nikapov 0:a1a69d32f310 269 return true;
nikapov 0:a1a69d32f310 270 }
nikapov 0:a1a69d32f310 271 gpsr0_15 = gpsr0_15 & (~((uint16_t) 0x0001 << pin_name));
nikapov 0:a1a69d32f310 272 write_16bit_reg(GPSR_0_7, &gpsr0_15);
nikapov 0:a1a69d32f310 273 return false;
nikapov 0:a1a69d32f310 274 }
nikapov 0:a1a69d32f310 275
nikapov 0:a1a69d32f310 276 /**
nikapov 0:a1a69d32f310 277 * @brief Read the input pin
nikapov 0:a1a69d32f310 278 * @param[in] The pin name
nikapov 0:a1a69d32f310 279 * @return The logical pin level
nikapov 0:a1a69d32f310 280 */
nikapov 0:a1a69d32f310 281 bool read_gpio(ExpGpioPinName pin_name)
nikapov 0:a1a69d32f310 282 {
nikapov 0:a1a69d32f310 283 uint16_t gpmr0_15;
nikapov 0:a1a69d32f310 284 if (pin_name == NOT_CON) {
nikapov 0:a1a69d32f310 285 return true;
nikapov 0:a1a69d32f310 286 }
nikapov 0:a1a69d32f310 287 read_16bit_reg(GPMR_0_7, &gpmr0_15);
nikapov 0:a1a69d32f310 288 gpmr0_15 = gpmr0_15 & ((uint16_t) 0x0001 << pin_name);
nikapov 0:a1a69d32f310 289 if (gpmr0_15) {
nikapov 0:a1a69d32f310 290 return true;
nikapov 0:a1a69d32f310 291 }
nikapov 0:a1a69d32f310 292 return false;
nikapov 0:a1a69d32f310 293 }
nikapov 0:a1a69d32f310 294
nikapov 0:a1a69d32f310 295 /**
nikapov 0:a1a69d32f310 296 * @brief Set the pin direction
nikapov 0:a1a69d32f310 297 * @param[in] The pin name
nikapov 0:a1a69d32f310 298 * @param[in] The pin direction
nikapov 0:a1a69d32f310 299 * @return 0 on success
nikapov 0:a1a69d32f310 300 */
nikapov 0:a1a69d32f310 301 bool set_gpio_dir(ExpGpioPinName pin_name, ExpGpioPinDirection pin_dir)
nikapov 0:a1a69d32f310 302 {
DVLevine 5:d25feb417ac1 303 if (pin_name == NOT_CON || pin_dir == NOT_CONNECTED_prox) {
nikapov 0:a1a69d32f310 304 return true;
nikapov 0:a1a69d32f310 305 }
nikapov 0:a1a69d32f310 306 gpdr0_15 = gpdr0_15 & (~((uint16_t) 0x0001 << pin_name)); // clear the Pin
nikapov 0:a1a69d32f310 307 gpdr0_15 = gpdr0_15 | ((uint16_t) pin_dir << pin_name);
nikapov 0:a1a69d32f310 308 write_16bit_reg(GPDR_0_7, &gpdr0_15);
nikapov 0:a1a69d32f310 309 return false;
nikapov 0:a1a69d32f310 310 }
nikapov 0:a1a69d32f310 311
nikapov 0:a1a69d32f310 312 /**
nikapov 0:a1a69d32f310 313 * @brief Read a 16 bits register
nikapov 0:a1a69d32f310 314 * @param[in] The register address
nikapov 0:a1a69d32f310 315 * @param[in] The pointer to the read data
nikapov 0:a1a69d32f310 316 */
nikapov 0:a1a69d32f310 317 void read_16bit_reg(uint8_t reg16_addr, uint16_t *reg16_data)
nikapov 0:a1a69d32f310 318 {
nikapov 0:a1a69d32f310 319 _dev_i2c->i2c_read((uint8_t *) reg16_data, exp_dev_addr, reg16_addr, 2);
nikapov 0:a1a69d32f310 320 }
nikapov 0:a1a69d32f310 321
nikapov 0:a1a69d32f310 322 /**
nikapov 0:a1a69d32f310 323 * @brief Write a 16 bits register
nikapov 0:a1a69d32f310 324 * @param[in] The register address
nikapov 0:a1a69d32f310 325 * @param[in] The pointer to the data to be written
nikapov 0:a1a69d32f310 326 */
nikapov 0:a1a69d32f310 327 void write_16bit_reg(uint8_t reg16_addr, uint16_t *reg16_data)
nikapov 0:a1a69d32f310 328 {
nikapov 0:a1a69d32f310 329 _dev_i2c->i2c_write((uint8_t *) reg16_data, exp_dev_addr, reg16_addr, 2);
nikapov 0:a1a69d32f310 330 }
nikapov 0:a1a69d32f310 331
nikapov 0:a1a69d32f310 332 private:
nikapov 0:a1a69d32f310 333 DevI2C *_dev_i2c;
nikapov 0:a1a69d32f310 334 uint16_t gpdr0_15; // local copy of bit direction reg
nikapov 0:a1a69d32f310 335 uint16_t gpsr0_15; // local copy of bit status reg
nikapov 0:a1a69d32f310 336 uint8_t exp_dev_addr; // expander device i2c addr
nikapov 0:a1a69d32f310 337 };
nikapov 0:a1a69d32f310 338
nikapov 0:a1a69d32f310 339 #endif // __STMPE1600_CLASS