mohamed achour / vl53l0x_api

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Dependents:   VL53L0X-mbedOS-master VL53L0X-mbedOS-masterbb

vl53l0x_i2c_platform.h@0:e6fcdb78a136, 2016-08-23 (annotated)

Committer:
mjarvisal
Date:
Tue Aug 23 05:14:05 2016 +0000
Revision:
0:e6fcdb78a136
Initial release

Who changed what in which revision?

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mjarvisal 0:e6fcdb78a136 1 /*
mjarvisal 0:e6fcdb78a136 2 * COPYRIGHT (C) STMicroelectronics 2014. All rights reserved.
mjarvisal 0:e6fcdb78a136 3 *
mjarvisal 0:e6fcdb78a136 4 * This software is the confidential and proprietary information of
mjarvisal 0:e6fcdb78a136 5 * STMicroelectronics ("Confidential Information"). You shall not
mjarvisal 0:e6fcdb78a136 6 * disclose such Confidential Information and shall use it only in
mjarvisal 0:e6fcdb78a136 7 * accordance with the terms of the license agreement you entered into
mjarvisal 0:e6fcdb78a136 8 * with STMicroelectronics
mjarvisal 0:e6fcdb78a136 9 *
mjarvisal 0:e6fcdb78a136 10 * Programming Golden Rule: Keep it Simple!
mjarvisal 0:e6fcdb78a136 11 *
mjarvisal 0:e6fcdb78a136 12 */
mjarvisal 0:e6fcdb78a136 13
mjarvisal 0:e6fcdb78a136 14 /**
mjarvisal 0:e6fcdb78a136 15 * @file VL53L0X_platform.h
mjarvisal 0:e6fcdb78a136 16 * @brief Function prototype definitions for Ewok Platform layer.
mjarvisal 0:e6fcdb78a136 17 *
mjarvisal 0:e6fcdb78a136 18 */
mjarvisal 0:e6fcdb78a136 19
mjarvisal 0:e6fcdb78a136 20
mjarvisal 0:e6fcdb78a136 21 #ifndef _VL53L0X_I2C_PLATFORM_H_
mjarvisal 0:e6fcdb78a136 22 #define _VL53L0X_I2C_PLATFORM_H_
mjarvisal 0:e6fcdb78a136 23
mjarvisal 0:e6fcdb78a136 24 #include "vl53l0x_def.h"
mjarvisal 0:e6fcdb78a136 25 #include "mbed.h"
mjarvisal 0:e6fcdb78a136 26
mjarvisal 0:e6fcdb78a136 27 #ifdef __cplusplus
mjarvisal 0:e6fcdb78a136 28 extern "C" {
mjarvisal 0:e6fcdb78a136 29 #endif
mjarvisal 0:e6fcdb78a136 30
mjarvisal 0:e6fcdb78a136 31 // Include uint8_t, unit16_t etc definitions
mjarvisal 0:e6fcdb78a136 32
mjarvisal 0:e6fcdb78a136 33 #include <stdint.h>
mjarvisal 0:e6fcdb78a136 34 #include <stdarg.h>
mjarvisal 0:e6fcdb78a136 35
mjarvisal 0:e6fcdb78a136 36
mjarvisal 0:e6fcdb78a136 37 /**
mjarvisal 0:e6fcdb78a136 38 * @brief Typedef defining .\n
mjarvisal 0:e6fcdb78a136 39 * The developer shoud modify this to suit the platform being deployed.
mjarvisal 0:e6fcdb78a136 40 *
mjarvisal 0:e6fcdb78a136 41 */
mjarvisal 0:e6fcdb78a136 42
mjarvisal 0:e6fcdb78a136 43 // enum {TRUE = true, FALSE = false};
mjarvisal 0:e6fcdb78a136 44
mjarvisal 0:e6fcdb78a136 45 /**
mjarvisal 0:e6fcdb78a136 46 * @brief Typedef defining 8 bit unsigned char type.\n
mjarvisal 0:e6fcdb78a136 47 * The developer shoud modify this to suit the platform being deployed.
mjarvisal 0:e6fcdb78a136 48 *
mjarvisal 0:e6fcdb78a136 49 */
mjarvisal 0:e6fcdb78a136 50
mjarvisal 0:e6fcdb78a136 51 #ifndef bool_t
mjarvisal 0:e6fcdb78a136 52 typedef unsigned char bool_t;
mjarvisal 0:e6fcdb78a136 53 #endif
mjarvisal 0:e6fcdb78a136 54
mjarvisal 0:e6fcdb78a136 55
mjarvisal 0:e6fcdb78a136 56 #define I2C_A 0x01
mjarvisal 0:e6fcdb78a136 57 #define SPI_A 0x00
mjarvisal 0:e6fcdb78a136 58
mjarvisal 0:e6fcdb78a136 59 #define COMMS_BUFFER_SIZE 64 // MUST be the same size as the SV task buffer
mjarvisal 0:e6fcdb78a136 60
mjarvisal 0:e6fcdb78a136 61 #define BYTES_PER_WORD 2
mjarvisal 0:e6fcdb78a136 62 #define BYTES_PER_DWORD 4
mjarvisal 0:e6fcdb78a136 63
mjarvisal 0:e6fcdb78a136 64 #define VL53L0X_MAX_STRING_LENGTH_PLT 256
mjarvisal 0:e6fcdb78a136 65
mjarvisal 0:e6fcdb78a136 66
mjarvisal 0:e6fcdb78a136 67 void VL53L0X_i2c_init(I2C *i2c);
mjarvisal 0:e6fcdb78a136 68 int VL53L0X_scan( void );
mjarvisal 0:e6fcdb78a136 69
mjarvisal 0:e6fcdb78a136 70 /**
mjarvisal 0:e6fcdb78a136 71 * @brief Initialise platform comms.
mjarvisal 0:e6fcdb78a136 72 *
mjarvisal 0:e6fcdb78a136 73 * @param comms_type - selects between I2C and SPI
mjarvisal 0:e6fcdb78a136 74 * @param comms_speed_khz - unsigned short containing the I2C speed in kHz
mjarvisal 0:e6fcdb78a136 75 *
mjarvisal 0:e6fcdb78a136 76 * @return status - status 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 77 *
mjarvisal 0:e6fcdb78a136 78 */
mjarvisal 0:e6fcdb78a136 79
mjarvisal 0:e6fcdb78a136 80 int32_t VL53L0X_comms_initialise(uint8_t comms_type,
mjarvisal 0:e6fcdb78a136 81 uint16_t comms_speed_khz);
mjarvisal 0:e6fcdb78a136 82
mjarvisal 0:e6fcdb78a136 83 /**
mjarvisal 0:e6fcdb78a136 84 * @brief Initialise platform serial comms.
mjarvisal 0:e6fcdb78a136 85 *
mjarvisal 0:e6fcdb78a136 86 * @param comPortStr - String to indicate the comm port
mjarvisal 0:e6fcdb78a136 87 * @param baudRate - Bau rate
mjarvisal 0:e6fcdb78a136 88 *
mjarvisal 0:e6fcdb78a136 89 * @return status - status 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 90 *
mjarvisal 0:e6fcdb78a136 91 */
mjarvisal 0:e6fcdb78a136 92 int VL53L0_i2c_init(char *comPortStr, unsigned int baudRate);
mjarvisal 0:e6fcdb78a136 93
mjarvisal 0:e6fcdb78a136 94
mjarvisal 0:e6fcdb78a136 95 /**
mjarvisal 0:e6fcdb78a136 96 * @brief Close platform comms.
mjarvisal 0:e6fcdb78a136 97 *
mjarvisal 0:e6fcdb78a136 98 * @return status - status 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 99 *
mjarvisal 0:e6fcdb78a136 100 */
mjarvisal 0:e6fcdb78a136 101
mjarvisal 0:e6fcdb78a136 102 int32_t VL53L0X_comms_close(void);
mjarvisal 0:e6fcdb78a136 103
mjarvisal 0:e6fcdb78a136 104 /**
mjarvisal 0:e6fcdb78a136 105 * @brief Cycle Power to Device
mjarvisal 0:e6fcdb78a136 106 *
mjarvisal 0:e6fcdb78a136 107 * @return status - status 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 108 *
mjarvisal 0:e6fcdb78a136 109 */
mjarvisal 0:e6fcdb78a136 110
mjarvisal 0:e6fcdb78a136 111 int32_t VL53L0X_cycle_power(void);
mjarvisal 0:e6fcdb78a136 112
mjarvisal 0:e6fcdb78a136 113
mjarvisal 0:e6fcdb78a136 114 /**
mjarvisal 0:e6fcdb78a136 115 * @brief Writes the supplied byte buffer to the device
mjarvisal 0:e6fcdb78a136 116 *
mjarvisal 0:e6fcdb78a136 117 * Wrapper for SystemVerilog Write Multi task
mjarvisal 0:e6fcdb78a136 118 *
mjarvisal 0:e6fcdb78a136 119 * @code
mjarvisal 0:e6fcdb78a136 120 *
mjarvisal 0:e6fcdb78a136 121 * Example:
mjarvisal 0:e6fcdb78a136 122 *
mjarvisal 0:e6fcdb78a136 123 * uint8_t *spad_enables;
mjarvisal 0:e6fcdb78a136 124 *
mjarvisal 0:e6fcdb78a136 125 * int status = VL53L0X_write_multi(RET_SPAD_EN_0, spad_enables, 36);
mjarvisal 0:e6fcdb78a136 126 *
mjarvisal 0:e6fcdb78a136 127 * @endcode
mjarvisal 0:e6fcdb78a136 128 *
mjarvisal 0:e6fcdb78a136 129 * @param address - uint8_t device address value
mjarvisal 0:e6fcdb78a136 130 * @param index - uint8_t register index value
mjarvisal 0:e6fcdb78a136 131 * @param pdata - pointer to uint8_t buffer containing the data to be written
mjarvisal 0:e6fcdb78a136 132 * @param count - number of bytes in the supplied byte buffer
mjarvisal 0:e6fcdb78a136 133 *
mjarvisal 0:e6fcdb78a136 134 * @return status - SystemVerilog status 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 135 *
mjarvisal 0:e6fcdb78a136 136 */
mjarvisal 0:e6fcdb78a136 137
mjarvisal 0:e6fcdb78a136 138 int32_t VL53L0X_write_multi(uint8_t address, uint8_t index, uint8_t *pdata, int32_t count);
mjarvisal 0:e6fcdb78a136 139
mjarvisal 0:e6fcdb78a136 140
mjarvisal 0:e6fcdb78a136 141 /**
mjarvisal 0:e6fcdb78a136 142 * @brief Reads the requested number of bytes from the device
mjarvisal 0:e6fcdb78a136 143 *
mjarvisal 0:e6fcdb78a136 144 * Wrapper for SystemVerilog Read Multi task
mjarvisal 0:e6fcdb78a136 145 *
mjarvisal 0:e6fcdb78a136 146 * @code
mjarvisal 0:e6fcdb78a136 147 *
mjarvisal 0:e6fcdb78a136 148 * Example:
mjarvisal 0:e6fcdb78a136 149 *
mjarvisal 0:e6fcdb78a136 150 * uint8_t buffer[COMMS_BUFFER_SIZE];
mjarvisal 0:e6fcdb78a136 151 *
mjarvisal 0:e6fcdb78a136 152 * int status = status = VL53L0X_read_multi(DEVICE_ID, buffer, 2)
mjarvisal 0:e6fcdb78a136 153 *
mjarvisal 0:e6fcdb78a136 154 * @endcode
mjarvisal 0:e6fcdb78a136 155 *
mjarvisal 0:e6fcdb78a136 156 * @param address - uint8_t device address value
mjarvisal 0:e6fcdb78a136 157 * @param index - uint8_t register index value
mjarvisal 0:e6fcdb78a136 158 * @param pdata - pointer to the uint8_t buffer to store read data
mjarvisal 0:e6fcdb78a136 159 * @param count - number of uint8_t's to read
mjarvisal 0:e6fcdb78a136 160 *
mjarvisal 0:e6fcdb78a136 161 * @return status - SystemVerilog status 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 162 *
mjarvisal 0:e6fcdb78a136 163 */
mjarvisal 0:e6fcdb78a136 164
mjarvisal 0:e6fcdb78a136 165 int32_t VL53L0X_read_multi(uint8_t address, uint8_t index, uint8_t *pdata, int32_t count);
mjarvisal 0:e6fcdb78a136 166
mjarvisal 0:e6fcdb78a136 167
mjarvisal 0:e6fcdb78a136 168 /**
mjarvisal 0:e6fcdb78a136 169 * @brief Writes a single byte to the device
mjarvisal 0:e6fcdb78a136 170 *
mjarvisal 0:e6fcdb78a136 171 * Wrapper for SystemVerilog Write Byte task
mjarvisal 0:e6fcdb78a136 172 *
mjarvisal 0:e6fcdb78a136 173 * @code
mjarvisal 0:e6fcdb78a136 174 *
mjarvisal 0:e6fcdb78a136 175 * Example:
mjarvisal 0:e6fcdb78a136 176 *
mjarvisal 0:e6fcdb78a136 177 * uint8_t page_number = MAIN_SELECT_PAGE;
mjarvisal 0:e6fcdb78a136 178 *
mjarvisal 0:e6fcdb78a136 179 * int status = VL53L0X_write_byte(PAGE_SELECT, page_number);
mjarvisal 0:e6fcdb78a136 180 *
mjarvisal 0:e6fcdb78a136 181 * @endcode
mjarvisal 0:e6fcdb78a136 182 *
mjarvisal 0:e6fcdb78a136 183 * @param address - uint8_t device address value
mjarvisal 0:e6fcdb78a136 184 * @param index - uint8_t register index value
mjarvisal 0:e6fcdb78a136 185 * @param data - uint8_t data value to write
mjarvisal 0:e6fcdb78a136 186 *
mjarvisal 0:e6fcdb78a136 187 * @return status - SystemVerilog status 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 188 *
mjarvisal 0:e6fcdb78a136 189 */
mjarvisal 0:e6fcdb78a136 190
mjarvisal 0:e6fcdb78a136 191 int32_t VL53L0X_write_byte(uint8_t address, uint8_t index, uint8_t data);
mjarvisal 0:e6fcdb78a136 192
mjarvisal 0:e6fcdb78a136 193
mjarvisal 0:e6fcdb78a136 194 /**
mjarvisal 0:e6fcdb78a136 195 * @brief Writes a single word (16-bit unsigned) to the device
mjarvisal 0:e6fcdb78a136 196 *
mjarvisal 0:e6fcdb78a136 197 * Manages the big-endian nature of the device (first byte written is the MS byte).
mjarvisal 0:e6fcdb78a136 198 * Uses SystemVerilog Write Multi task.
mjarvisal 0:e6fcdb78a136 199 *
mjarvisal 0:e6fcdb78a136 200 * @code
mjarvisal 0:e6fcdb78a136 201 *
mjarvisal 0:e6fcdb78a136 202 * Example:
mjarvisal 0:e6fcdb78a136 203 *
mjarvisal 0:e6fcdb78a136 204 * uint16_t nvm_ctrl_pulse_width = 0x0004;
mjarvisal 0:e6fcdb78a136 205 *
mjarvisal 0:e6fcdb78a136 206 * int status = VL53L0X_write_word(NVM_CTRL__PULSE_WIDTH_MSB, nvm_ctrl_pulse_width);
mjarvisal 0:e6fcdb78a136 207 *
mjarvisal 0:e6fcdb78a136 208 * @endcode
mjarvisal 0:e6fcdb78a136 209 *
mjarvisal 0:e6fcdb78a136 210 * @param address - uint8_t device address value
mjarvisal 0:e6fcdb78a136 211 * @param index - uint8_t register index value
mjarvisal 0:e6fcdb78a136 212 * @param data - uin16_t data value write
mjarvisal 0:e6fcdb78a136 213 *
mjarvisal 0:e6fcdb78a136 214 * @return status - SystemVerilog status 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 215 *
mjarvisal 0:e6fcdb78a136 216 */
mjarvisal 0:e6fcdb78a136 217
mjarvisal 0:e6fcdb78a136 218 int32_t VL53L0X_write_word(uint8_t address, uint8_t index, uint16_t data);
mjarvisal 0:e6fcdb78a136 219
mjarvisal 0:e6fcdb78a136 220
mjarvisal 0:e6fcdb78a136 221 /**
mjarvisal 0:e6fcdb78a136 222 * @brief Writes a single dword (32-bit unsigned) to the device
mjarvisal 0:e6fcdb78a136 223 *
mjarvisal 0:e6fcdb78a136 224 * Manages the big-endian nature of the device (first byte written is the MS byte).
mjarvisal 0:e6fcdb78a136 225 * Uses SystemVerilog Write Multi task.
mjarvisal 0:e6fcdb78a136 226 *
mjarvisal 0:e6fcdb78a136 227 * @code
mjarvisal 0:e6fcdb78a136 228 *
mjarvisal 0:e6fcdb78a136 229 * Example:
mjarvisal 0:e6fcdb78a136 230 *
mjarvisal 0:e6fcdb78a136 231 * uint32_t nvm_data = 0x0004;
mjarvisal 0:e6fcdb78a136 232 *
mjarvisal 0:e6fcdb78a136 233 * int status = VL53L0X_write_dword(NVM_CTRL__DATAIN_MMM, nvm_data);
mjarvisal 0:e6fcdb78a136 234 *
mjarvisal 0:e6fcdb78a136 235 * @endcode
mjarvisal 0:e6fcdb78a136 236 *
mjarvisal 0:e6fcdb78a136 237 * @param address - uint8_t device address value
mjarvisal 0:e6fcdb78a136 238 * @param index - uint8_t register index value
mjarvisal 0:e6fcdb78a136 239 * @param data - uint32_t data value to write
mjarvisal 0:e6fcdb78a136 240 *
mjarvisal 0:e6fcdb78a136 241 * @return status - SystemVerilog status 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 242 *
mjarvisal 0:e6fcdb78a136 243 */
mjarvisal 0:e6fcdb78a136 244
mjarvisal 0:e6fcdb78a136 245 int32_t VL53L0X_write_dword(uint8_t address, uint8_t index, uint32_t data);
mjarvisal 0:e6fcdb78a136 246
mjarvisal 0:e6fcdb78a136 247
mjarvisal 0:e6fcdb78a136 248
mjarvisal 0:e6fcdb78a136 249 /**
mjarvisal 0:e6fcdb78a136 250 * @brief Reads a single byte from the device
mjarvisal 0:e6fcdb78a136 251 *
mjarvisal 0:e6fcdb78a136 252 * Uses SystemVerilog Read Byte task.
mjarvisal 0:e6fcdb78a136 253 *
mjarvisal 0:e6fcdb78a136 254 * @code
mjarvisal 0:e6fcdb78a136 255 *
mjarvisal 0:e6fcdb78a136 256 * Example:
mjarvisal 0:e6fcdb78a136 257 *
mjarvisal 0:e6fcdb78a136 258 * uint8_t device_status = 0;
mjarvisal 0:e6fcdb78a136 259 *
mjarvisal 0:e6fcdb78a136 260 * int status = VL53L0X_read_byte(STATUS, &device_status);
mjarvisal 0:e6fcdb78a136 261 *
mjarvisal 0:e6fcdb78a136 262 * @endcode
mjarvisal 0:e6fcdb78a136 263 *
mjarvisal 0:e6fcdb78a136 264 * @param address - uint8_t device address value
mjarvisal 0:e6fcdb78a136 265 * @param index - uint8_t register index value
mjarvisal 0:e6fcdb78a136 266 * @param pdata - pointer to uint8_t data value
mjarvisal 0:e6fcdb78a136 267 *
mjarvisal 0:e6fcdb78a136 268 * @return status - SystemVerilog status 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 269 *
mjarvisal 0:e6fcdb78a136 270 */
mjarvisal 0:e6fcdb78a136 271
mjarvisal 0:e6fcdb78a136 272 int32_t VL53L0X_read_byte(uint8_t address, uint8_t index, uint8_t *pdata);
mjarvisal 0:e6fcdb78a136 273
mjarvisal 0:e6fcdb78a136 274
mjarvisal 0:e6fcdb78a136 275 /**
mjarvisal 0:e6fcdb78a136 276 * @brief Reads a single word (16-bit unsigned) from the device
mjarvisal 0:e6fcdb78a136 277 *
mjarvisal 0:e6fcdb78a136 278 * Manages the big-endian nature of the device (first byte read is the MS byte).
mjarvisal 0:e6fcdb78a136 279 * Uses SystemVerilog Read Multi task.
mjarvisal 0:e6fcdb78a136 280 *
mjarvisal 0:e6fcdb78a136 281 * @code
mjarvisal 0:e6fcdb78a136 282 *
mjarvisal 0:e6fcdb78a136 283 * Example:
mjarvisal 0:e6fcdb78a136 284 *
mjarvisal 0:e6fcdb78a136 285 * uint16_t timeout = 0;
mjarvisal 0:e6fcdb78a136 286 *
mjarvisal 0:e6fcdb78a136 287 * int status = VL53L0X_read_word(TIMEOUT_OVERALL_PERIODS_MSB, &timeout);
mjarvisal 0:e6fcdb78a136 288 *
mjarvisal 0:e6fcdb78a136 289 * @endcode
mjarvisal 0:e6fcdb78a136 290 *
mjarvisal 0:e6fcdb78a136 291 * @param address - uint8_t device address value
mjarvisal 0:e6fcdb78a136 292 * @param index - uint8_t register index value
mjarvisal 0:e6fcdb78a136 293 * @param pdata - pointer to uint16_t data value
mjarvisal 0:e6fcdb78a136 294 *
mjarvisal 0:e6fcdb78a136 295 * @return status - SystemVerilog status 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 296 *
mjarvisal 0:e6fcdb78a136 297 */
mjarvisal 0:e6fcdb78a136 298
mjarvisal 0:e6fcdb78a136 299 int32_t VL53L0X_read_word(uint8_t address, uint8_t index, uint16_t *pdata);
mjarvisal 0:e6fcdb78a136 300
mjarvisal 0:e6fcdb78a136 301
mjarvisal 0:e6fcdb78a136 302 /**
mjarvisal 0:e6fcdb78a136 303 * @brief Reads a single dword (32-bit unsigned) from the device
mjarvisal 0:e6fcdb78a136 304 *
mjarvisal 0:e6fcdb78a136 305 * Manages the big-endian nature of the device (first byte read is the MS byte).
mjarvisal 0:e6fcdb78a136 306 * Uses SystemVerilog Read Multi task.
mjarvisal 0:e6fcdb78a136 307 *
mjarvisal 0:e6fcdb78a136 308 * @code
mjarvisal 0:e6fcdb78a136 309 *
mjarvisal 0:e6fcdb78a136 310 * Example:
mjarvisal 0:e6fcdb78a136 311 *
mjarvisal 0:e6fcdb78a136 312 * uint32_t range_1 = 0;
mjarvisal 0:e6fcdb78a136 313 *
mjarvisal 0:e6fcdb78a136 314 * int status = VL53L0X_read_dword(RANGE_1_MMM, &range_1);
mjarvisal 0:e6fcdb78a136 315 *
mjarvisal 0:e6fcdb78a136 316 * @endcode
mjarvisal 0:e6fcdb78a136 317 *
mjarvisal 0:e6fcdb78a136 318 * @param address - uint8_t device address value
mjarvisal 0:e6fcdb78a136 319 * @param index - uint8_t register index value
mjarvisal 0:e6fcdb78a136 320 * @param pdata - pointer to uint32_t data value
mjarvisal 0:e6fcdb78a136 321 *
mjarvisal 0:e6fcdb78a136 322 * @return status - SystemVerilog status 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 323 *
mjarvisal 0:e6fcdb78a136 324 */
mjarvisal 0:e6fcdb78a136 325
mjarvisal 0:e6fcdb78a136 326 int32_t VL53L0X_read_dword(uint8_t address, uint8_t index, uint32_t *pdata);
mjarvisal 0:e6fcdb78a136 327
mjarvisal 0:e6fcdb78a136 328
mjarvisal 0:e6fcdb78a136 329 /**
mjarvisal 0:e6fcdb78a136 330 * @brief Implements a programmable wait in us
mjarvisal 0:e6fcdb78a136 331 *
mjarvisal 0:e6fcdb78a136 332 * Wrapper for SystemVerilog Wait in micro seconds task
mjarvisal 0:e6fcdb78a136 333 *
mjarvisal 0:e6fcdb78a136 334 * @param wait_us - integer wait in micro seconds
mjarvisal 0:e6fcdb78a136 335 *
mjarvisal 0:e6fcdb78a136 336 * @return status - SystemVerilog status 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 337 *
mjarvisal 0:e6fcdb78a136 338 */
mjarvisal 0:e6fcdb78a136 339
mjarvisal 0:e6fcdb78a136 340 int32_t VL53L0X_platform_wait_us(int32_t wait_us);
mjarvisal 0:e6fcdb78a136 341
mjarvisal 0:e6fcdb78a136 342
mjarvisal 0:e6fcdb78a136 343 /**
mjarvisal 0:e6fcdb78a136 344 * @brief Implements a programmable wait in ms
mjarvisal 0:e6fcdb78a136 345 *
mjarvisal 0:e6fcdb78a136 346 * Wrapper for SystemVerilog Wait in milli seconds task
mjarvisal 0:e6fcdb78a136 347 *
mjarvisal 0:e6fcdb78a136 348 * @param wait_ms - integer wait in milli seconds
mjarvisal 0:e6fcdb78a136 349 *
mjarvisal 0:e6fcdb78a136 350 * @return status - SystemVerilog status 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 351 *
mjarvisal 0:e6fcdb78a136 352 */
mjarvisal 0:e6fcdb78a136 353
mjarvisal 0:e6fcdb78a136 354 int32_t VL53L0X_wait_ms(int32_t wait_ms);
mjarvisal 0:e6fcdb78a136 355
mjarvisal 0:e6fcdb78a136 356
mjarvisal 0:e6fcdb78a136 357 /**
mjarvisal 0:e6fcdb78a136 358 * @brief Set GPIO value
mjarvisal 0:e6fcdb78a136 359 *
mjarvisal 0:e6fcdb78a136 360 * @param level - input level - either 0 or 1
mjarvisal 0:e6fcdb78a136 361 *
mjarvisal 0:e6fcdb78a136 362 * @return status - SystemVerilog status 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 363 *
mjarvisal 0:e6fcdb78a136 364 */
mjarvisal 0:e6fcdb78a136 365
mjarvisal 0:e6fcdb78a136 366 int32_t VL53L0X_set_gpio(uint8_t level);
mjarvisal 0:e6fcdb78a136 367
mjarvisal 0:e6fcdb78a136 368
mjarvisal 0:e6fcdb78a136 369 /**
mjarvisal 0:e6fcdb78a136 370 * @brief Get GPIO value
mjarvisal 0:e6fcdb78a136 371 *
mjarvisal 0:e6fcdb78a136 372 * @param plevel - uint8_t pointer to store GPIO level (0 or 1)
mjarvisal 0:e6fcdb78a136 373 *
mjarvisal 0:e6fcdb78a136 374 * @return status - SystemVerilog status 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 375 *
mjarvisal 0:e6fcdb78a136 376 */
mjarvisal 0:e6fcdb78a136 377
mjarvisal 0:e6fcdb78a136 378 int32_t VL53L0X_get_gpio(uint8_t *plevel);
mjarvisal 0:e6fcdb78a136 379
mjarvisal 0:e6fcdb78a136 380 /**
mjarvisal 0:e6fcdb78a136 381 * @brief Release force on GPIO
mjarvisal 0:e6fcdb78a136 382 *
mjarvisal 0:e6fcdb78a136 383 * @return status - SystemVerilog status 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 384 *
mjarvisal 0:e6fcdb78a136 385 */
mjarvisal 0:e6fcdb78a136 386
mjarvisal 0:e6fcdb78a136 387 int32_t VL53L0X_release_gpio(void);
mjarvisal 0:e6fcdb78a136 388
mjarvisal 0:e6fcdb78a136 389
mjarvisal 0:e6fcdb78a136 390 /**
mjarvisal 0:e6fcdb78a136 391 * @brief Get the frequency of the timer used for ranging results time stamps
mjarvisal 0:e6fcdb78a136 392 *
mjarvisal 0:e6fcdb78a136 393 * @param[out] ptimer_freq_hz : pointer for timer frequency
mjarvisal 0:e6fcdb78a136 394 *
mjarvisal 0:e6fcdb78a136 395 * @return status : 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 396 *
mjarvisal 0:e6fcdb78a136 397 */
mjarvisal 0:e6fcdb78a136 398
mjarvisal 0:e6fcdb78a136 399 int32_t VL53L0X_get_timer_frequency(int32_t *ptimer_freq_hz);
mjarvisal 0:e6fcdb78a136 400
mjarvisal 0:e6fcdb78a136 401 /**
mjarvisal 0:e6fcdb78a136 402 * @brief Get the timer value in units of timer_freq_hz (see VL53L0X_get_timestamp_frequency())
mjarvisal 0:e6fcdb78a136 403 *
mjarvisal 0:e6fcdb78a136 404 * @param[out] ptimer_count : pointer for timer count value
mjarvisal 0:e6fcdb78a136 405 *
mjarvisal 0:e6fcdb78a136 406 * @return status : 0 = ok, 1 = error
mjarvisal 0:e6fcdb78a136 407 *
mjarvisal 0:e6fcdb78a136 408 */
mjarvisal 0:e6fcdb78a136 409
mjarvisal 0:e6fcdb78a136 410 int32_t VL53L0X_get_timer_value(int32_t *ptimer_count);
mjarvisal 0:e6fcdb78a136 411
mjarvisal 0:e6fcdb78a136 412
mjarvisal 0:e6fcdb78a136 413
mjarvisal 0:e6fcdb78a136 414
mjarvisal 0:e6fcdb78a136 415
mjarvisal 0:e6fcdb78a136 416 #ifdef __cplusplus
mjarvisal 0:e6fcdb78a136 417 }
mjarvisal 0:e6fcdb78a136 418 #endif
mjarvisal 0:e6fcdb78a136 419
mjarvisal 0:e6fcdb78a136 420 #endif //_VL53L0X_I2C_PLATFORM_H_
mjarvisal 0:e6fcdb78a136 421