1 /***************************************************************************//**
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3 * @brief Low Energy Sensor (LESENSE) example configuration file.
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5 *******************************************************************************
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7 * <b>(C) Copyright 2014 Silicon Labs, http://www.silabs.com</b>
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8 *******************************************************************************
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10 * This file is licensed under the Silabs License Agreement. See the file
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11 * "Silabs_License_Agreement.txt" for details. Before using this software for
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12 * any purpose, you must agree to the terms of that agreement.
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14 ******************************************************************************/
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17 #include "em_lesense.h"
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19 /***************************************************************************//**
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20 * @addtogroup Drivers
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22 ******************************************************************************/
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24 /***************************************************************************//**
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25 * @addtogroup CapSense
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27 ******************************************************************************/
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33 /**************************************************************************//**
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35 *****************************************************************************/
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36 #define CAPLESENSE_SENSITIVITY_OFFS 1U
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37 #define CAPLESENSE_NUMOF_SLIDERS 4 /**< Number of sliders */
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38 #define CAPLESENSE_ACMP_VDD_SCALE LESENSE_ACMP_VDD_SCALE /**< Upper voltage threshold */
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40 #define CAPLESENSE_SLIDER_PORT0 gpioPortC /**< Slider Port. GPIO Port C */
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41 #define CAPLESENSE_SLIDER0_PORT CAPLESENSE_SLIDER_PORT0 /**< Slider 0 Port. GPIO Port C */
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42 #define CAPLESENSE_SLIDER0_PIN 8UL /**< Slider 0 Pin 8 */
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43 #define CAPLESENSE_SLIDER1_PORT CAPLESENSE_SLIDER_PORT0 /**< Slider 1 Port. GPIO Port C */
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44 #define CAPLESENSE_SLIDER1_PIN 9UL /**< Slider 1 Pin 9 */
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45 #define CAPLESENSE_SLIDER2_PORT CAPLESENSE_SLIDER_PORT0 /**< Slider 2 Port. GPIO Port C */
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46 #define CAPLESENSE_SLIDER2_PIN 10UL /**< Slider 2 Pin 10 */
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47 #define CAPLESENSE_SLIDER3_PORT CAPLESENSE_SLIDER_PORT0 /**< Slider 3 Port. GPIO Port C */
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48 #define CAPLESENSE_SLIDER3_PIN 11UL /**< Slider 3 Pin 11 */
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51 #define CAPLESENSE_CHANNEL_INT (LESENSE_IF_CH8 | LESENSE_IF_CH9 | LESENSE_IF_CH10 | LESENSE_IF_CH11)
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52 #define LESENSE_CHANNELS 16 /**< Number of channels for the Low Energy Sensor Interface. */
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54 #define SLIDER_PART0_CHANNEL 8 /**< Touch slider channel Part 0 */
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55 #define SLIDER_PART1_CHANNEL 9 /**< Touch slider channel Part 1 */
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56 #define SLIDER_PART2_CHANNEL 10 /**< Touch slider channel Part 2 */
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57 #define SLIDER_PART3_CHANNEL 11 /**< Touch slider channel Part 3 */
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59 /** Upper voltage threshold. */
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60 #define LESENSE_ACMP_VDD_SCALE 0x37U
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63 #define LESENSE_CAPSENSE_CH_IN_USE {\
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64 /* Ch0, Ch1, Ch2, Ch3, Ch4, Ch5, Ch6, Ch7 */\
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65 false, false, false, false, false, false, false, false,\
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66 /* Ch8, Ch9, Ch10, Ch11, Ch12, Ch13, Ch14, Ch15 */\
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67 true, true, true, true, false, false, false, false\
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70 /** Configuration for capacitive sense channels in sense mode. */
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71 #define LESENSE_CAPSENSE_CH_CONF_SENSE \
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73 true, /* Enable scan channel. */ \
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74 true, /* Enable the assigned pin on scan channel. */ \
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75 false, /* Disable interrupts on channel. */ \
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76 lesenseChPinExDis, /* GPIO pin is disabled during the excitation period. */ \
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77 lesenseChPinIdleDis, /* GPIO pin is disabled during the idle period. */ \
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78 false, /* Don't use alternate excitation pins for excitation. */ \
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79 false, /* Disabled to shift results from this channel to the decoder register. */ \
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80 false, /* Disabled to invert the scan result bit. */ \
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81 true, /* Enabled to store counter value in the result buffer. */ \
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82 lesenseClkLF, /* Use the LF clock for excitation timing. */ \
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83 lesenseClkLF, /* Use the LF clock for sample timing. */ \
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84 0x00U, /* Excitation time is set to 0 excitation clock cycles. */ \
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85 0x0FU, /* Sample delay is set to 15(+1) sample clock cycles. */ \
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86 0x00U, /* Measure delay is set to 0 excitation clock cycles.*/ \
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87 LESENSE_ACMP_VDD_SCALE, /* ACMP threshold has been set to LESENSE_ACMP_VDD_SCALE. */ \
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88 lesenseSampleModeCounter, /* ACMP will be used in comparison. */ \
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89 lesenseSetIntLevel, /* Interrupt is generated if the sensor triggers. */ \
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90 0x00U, /* Counter threshold has been set to 0x00. */ \
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91 lesenseCompModeLess /* Compare mode has been set to trigger interrupt on "less". */ \
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94 /** Configuration for capacitive sense channels in sleep mode. */
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95 #define LESENSE_CAPSENSE_CH_CONF_SLEEP \
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97 true, /* Enable scan channel. */ \
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98 true, /* Enable the assigned pin on scan channel. */ \
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99 true, /* Enable interrupts on channel. */ \
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100 lesenseChPinExDis, /* GPIO pin is disabled during the excitation period. */ \
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101 lesenseChPinIdleDis, /* GPIO pin is disabled during the idle period. */ \
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102 false, /* Don't use alternate excitation pins for excitation. */ \
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103 false, /* Disabled to shift results from this channel to the decoder register. */ \
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104 false, /* Disabled to invert the scan result bit. */ \
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105 true, /* Enabled to store counter value in the result buffer. */ \
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106 lesenseClkLF, /* Use the LF clock for excitation timing. */ \
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107 lesenseClkLF, /* Use the LF clock for sample timing. */ \
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108 0x00U, /* Excitation time is set to 0 excitation clock cycles. */ \
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109 0x01U, /* Sample delay is set to 1(+1) sample clock cycles. */ \
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110 0x00U, /* Measure delay is set to 0 excitation clock cycles.*/ \
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111 LESENSE_ACMP_VDD_SCALE, /* ACMP threshold has been set to LESENSE_ACMP_VDD_SCALE. */ \
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112 lesenseSampleModeCounter, /* Counter will be used in comparison. */ \
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113 lesenseSetIntLevel, /* Interrupt is generated if the sensor triggers. */ \
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114 0x0EU, /* Counter threshold has been set to 0x0E. */ \
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115 lesenseCompModeLess /* Compare mode has been set to trigger interrupt on "less". */ \
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118 /** Configuration for disabled channels. */
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119 #define LESENSE_DISABLED_CH_CONF \
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121 false, /* Disable scan channel. */ \
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122 false, /* Disable the assigned pin on scan channel. */ \
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123 false, /* Disable interrupts on channel. */ \
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124 lesenseChPinExDis, /* GPIO pin is disabled during the excitation period. */ \
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125 lesenseChPinIdleDis, /* GPIO pin is disabled during the idle period. */ \
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126 false, /* Don't use alternate excitation pins for excitation. */ \
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127 false, /* Disabled to shift results from this channel to the decoder register. */ \
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128 false, /* Disabled to invert the scan result bit. */ \
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129 false, /* Disabled to store counter value in the result buffer. */ \
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130 lesenseClkLF, /* Use the LF clock for excitation timing. */ \
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131 lesenseClkLF, /* Use the LF clock for sample timing. */ \
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132 0x00U, /* Excitation time is set to 5(+1) excitation clock cycles. */ \
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133 0x00U, /* Sample delay is set to 7(+1) sample clock cycles. */ \
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134 0x00U, /* Measure delay is set to 0 excitation clock cycles.*/ \
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135 0x00U, /* ACMP threshold has been set to 0. */ \
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136 lesenseSampleModeCounter, /* ACMP output will be used in comparison. */ \
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137 lesenseSetIntNone, /* No interrupt is generated by the channel. */ \
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138 0x00U, /* Counter threshold has been set to 0x01. */ \
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139 lesenseCompModeLess /* Compare mode has been set to trigger interrupt on "less". */ \
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142 /** Configuration for scan in sense mode. */
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143 #define LESENSE_CAPSENSE_SCAN_CONF_SENSE \
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146 LESENSE_DISABLED_CH_CONF, /* Channel 0. */ \
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147 LESENSE_DISABLED_CH_CONF, /* Channel 1. */ \
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148 LESENSE_DISABLED_CH_CONF, /* Channel 2. */ \
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149 LESENSE_DISABLED_CH_CONF, /* Channel 3. */ \
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150 LESENSE_DISABLED_CH_CONF, /* Channel 4. */ \
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151 LESENSE_DISABLED_CH_CONF, /* Channel 5. */ \
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152 LESENSE_DISABLED_CH_CONF, /* Channel 6. */ \
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153 LESENSE_DISABLED_CH_CONF, /* Channel 7. */ \
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154 LESENSE_CAPSENSE_CH_CONF_SENSE, /* Channel 8. */ \
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155 LESENSE_CAPSENSE_CH_CONF_SENSE, /* Channel 9. */ \
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156 LESENSE_CAPSENSE_CH_CONF_SENSE, /* Channel 10. */ \
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157 LESENSE_CAPSENSE_CH_CONF_SENSE, /* Channel 11. */ \
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158 LESENSE_DISABLED_CH_CONF, /* Channel 12. */ \
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159 LESENSE_DISABLED_CH_CONF, /* Channel 13. */ \
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160 LESENSE_DISABLED_CH_CONF, /* Channel 14. */ \
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161 LESENSE_DISABLED_CH_CONF /* Channel 15. */ \
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165 /** Configuration for scan in sleep mode. */
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166 #define LESENSE_CAPSENSE_SCAN_CONF_SLEEP \
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169 LESENSE_DISABLED_CH_CONF, /* Channel 0. */ \
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170 LESENSE_DISABLED_CH_CONF, /* Channel 1. */ \
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171 LESENSE_DISABLED_CH_CONF, /* Channel 2. */ \
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172 LESENSE_DISABLED_CH_CONF, /* Channel 3. */ \
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173 LESENSE_DISABLED_CH_CONF, /* Channel 4. */ \
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174 LESENSE_DISABLED_CH_CONF, /* Channel 5. */ \
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175 LESENSE_DISABLED_CH_CONF, /* Channel 6. */ \
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176 LESENSE_DISABLED_CH_CONF, /* Channel 7. */ \
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177 LESENSE_CAPSENSE_CH_CONF_SLEEP, /* Channel 8. */ \
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178 LESENSE_CAPSENSE_CH_CONF_SLEEP, /* Channel 9. */ \
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179 LESENSE_CAPSENSE_CH_CONF_SLEEP, /* Channel 10. */ \
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180 LESENSE_CAPSENSE_CH_CONF_SLEEP, /* Channel 11. */ \
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181 LESENSE_DISABLED_CH_CONF, /* Channel 12. */ \
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182 LESENSE_DISABLED_CH_CONF, /* Channel 13. */ \
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183 LESENSE_DISABLED_CH_CONF, /* Channel 14. */ \
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184 LESENSE_DISABLED_CH_CONF /* Channel 15. */ \
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192 /** @} (end group CapSense) */
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193 /** @} (end group Drivers) */
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projects / freertos / blob