amiro-lld / drivers / VL53L1X / v1 / api / core / vl53l1_silicon_core.c @ f0dd1ac4
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1 | 4dba9195 | galberding | /*
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2 | * Copyright (c) 2017, STMicroelectronics - All Rights Reserved
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3 | *
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4 | * This file is part of VL53L1 Core and is dual licensed,
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5 | * either 'STMicroelectronics
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6 | * Proprietary license'
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7 | * or 'BSD 3-clause "New" or "Revised" License' , at your option.
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8 | *
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9 | ********************************************************************************
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10 | *
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11 | * 'STMicroelectronics Proprietary license'
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12 | *
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13 | ********************************************************************************
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14 | *
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15 | * License terms: STMicroelectronics Proprietary in accordance with licensing
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16 | * terms at www.st.com/sla0081
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17 | *
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18 | * STMicroelectronics confidential
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19 | * Reproduction and Communication of this document is strictly prohibited unless
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20 | * specifically authorized in writing by STMicroelectronics.
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21 | *
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22 | *
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23 | ********************************************************************************
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24 | *
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25 | * Alternatively, VL53L1 Core may be distributed under the terms of
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26 | * 'BSD 3-clause "New" or "Revised" License', in which case the following
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27 | * provisions apply instead of the ones mentioned above :
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28 | *
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29 | ********************************************************************************
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30 | *
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31 | * License terms: BSD 3-clause "New" or "Revised" License.
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32 | *
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33 | * Redistribution and use in source and binary forms, with or without
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34 | * modification, are permitted provided that the following conditions are met:
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35 | *
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36 | * 1. Redistributions of source code must retain the above copyright notice, this
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37 | * list of conditions and the following disclaimer.
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38 | *
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39 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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40 | * this list of conditions and the following disclaimer in the documentation
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41 | * and/or other materials provided with the distribution.
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42 | *
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43 | * 3. Neither the name of the copyright holder nor the names of its contributors
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44 | * may be used to endorse or promote products derived from this software
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45 | * without specific prior written permission.
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46 | *
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47 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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48 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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49 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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50 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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51 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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52 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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53 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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54 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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55 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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56 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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57 | *
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58 | *
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59 | ********************************************************************************
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60 | *
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61 | */
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62 | |||
63 | /**
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64 | * @file vl53l1_silicon_core.c
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65 | *
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66 | * @brief EwokPlus25 low level silicon LL Driver function definition
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67 | */
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68 | |||
69 | |||
70 | #include "vl53l1_ll_def.h" |
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71 | #include "vl53l1_platform.h" |
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72 | #include "vl53l1_register_map.h" |
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73 | #include "vl53l1_core.h" |
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74 | #include "vl53l1_silicon_core.h" |
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75 | |||
76 | |||
77 | #define LOG_FUNCTION_START(fmt, ...) \
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78 | _LOG_FUNCTION_START(VL53L1_TRACE_MODULE_CORE, fmt, ##__VA_ARGS__) |
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79 | #define LOG_FUNCTION_END(status, ...) \
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80 | _LOG_FUNCTION_END(VL53L1_TRACE_MODULE_CORE, status, ##__VA_ARGS__) |
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81 | #define LOG_FUNCTION_END_FMT(status, fmt, ...) \
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82 | _LOG_FUNCTION_END_FMT(VL53L1_TRACE_MODULE_CORE, status, fmt, ##__VA_ARGS__) |
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83 | |||
84 | |||
85 | VL53L1_Error VL53L1_is_firmware_ready_silicon( |
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86 | VL53L1_DEV Dev, |
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87 | uint8_t *pready) |
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88 | { |
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89 | /**
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90 | * Determines if the firmware is ready to range
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91 | *
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92 | * There are 2 different behaviors depending on whether
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93 | * power force is enabled or not
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94 | */
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95 | |||
96 | VL53L1_Error status = VL53L1_ERROR_NONE; |
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97 | VL53L1_LLDriverData_t *pdev = VL53L1DevStructGetLLDriverHandle(Dev); |
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98 | |||
99 | uint8_t comms_buffer[5];
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100 | |||
101 | LOG_FUNCTION_START("");
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102 | |||
103 | /* read interrupt and power force reset status */
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104 | |||
105 | status = VL53L1_ReadMulti( |
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106 | Dev, |
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107 | VL53L1_INTERRUPT_MANAGER__ENABLES, |
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108 | comms_buffer, |
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109 | 5);
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110 | |||
111 | if (status == VL53L1_ERROR_NONE) {
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112 | |||
113 | pdev->dbg_results.interrupt_manager__enables = |
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114 | comms_buffer[0];
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115 | pdev->dbg_results.interrupt_manager__clear = |
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116 | comms_buffer[1];
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117 | pdev->dbg_results.interrupt_manager__status = |
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118 | comms_buffer[2];
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119 | pdev->dbg_results.mcu_to_host_bank__wr_access_en = |
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120 | comms_buffer[3];
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121 | pdev->dbg_results.power_management__go1_reset_status = |
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122 | comms_buffer[4];
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123 | |||
124 | if ((pdev->sys_ctrl.power_management__go1_power_force & 0x01) == 0x01) { |
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125 | |||
126 | if (((pdev->dbg_results.interrupt_manager__enables & 0x1F) == 0x1F) && |
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127 | ((pdev->dbg_results.interrupt_manager__clear & 0x1F) == 0x1F)) |
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128 | *pready = 0x01;
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129 | else
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130 | *pready = 0x00;
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131 | |||
132 | } else {
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133 | |||
134 | /* set ready flag if bit 0 is zero i.g G01 is in reset */
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135 | if ((pdev->dbg_results.power_management__go1_reset_status & 0x01) == 0x00) |
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136 | *pready = 0x01;
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137 | else
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138 | *pready = 0x00;
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139 | } |
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140 | |||
141 | } |
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142 | |||
143 | LOG_FUNCTION_END(status); |
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144 | |||
145 | return status;
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146 | } |