Silicon Labs
Driver for the capacitive sense slider available on the EFM32 Giant, Wonder and Leopard starter kits.
Dependents: EFM32 RDA5807M RDS Radio EMF32-Segment-Touch-Demo EFM32_Bugs MFALHIMOHAMMED ... more
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capsenseconfig_tg_stk.h
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00001 /***************************************************************************//** 00002 * @file 00003 * @brief Low Energy Sensor (LESENSE) configuration file for capacitive slider 00004 * on EFM32 Tiny Gecko STK (STK_3300). 00005 * @version 3.20.5 00006 ******************************************************************************* 00007 * @section License 00008 * <b>(C) Copyright 2014 Silicon Labs, http://www.silabs.com</b> 00009 ******************************************************************************* 00010 * 00011 * This file is licensensed under the Silabs License Agreement. See the file 00012 * "Silabs_License_Agreement.txt" for details. Before using this software for 00013 * any purpose, you must agree to the terms of that agreement. 00014 * 00015 ******************************************************************************/ 00016 00017 00018 #include "em_lesense.h" 00019 00020 /***************************************************************************//** 00021 * @addtogroup Drivers 00022 * @{ 00023 ******************************************************************************/ 00024 00025 /***************************************************************************//** 00026 * @addtogroup CapSense 00027 * @{ 00028 ******************************************************************************/ 00029 00030 #ifdef __cplusplus 00031 extern "C" { 00032 #endif 00033 00034 /**************************************************************************//** 00035 * Macro definitions 00036 *****************************************************************************/ 00037 #define CAPLESENSE_SENSITIVITY_OFFS 1U 00038 #define CAPLESENSE_NUMOF_SLIDERS 4 /**< Number of sliders */ 00039 #define CAPLESENSE_ACMP_VDD_SCALE LESENSE_ACMP_VDD_SCALE /**< Upper voltage threshold */ 00040 00041 #define CAPLESENSE_SLIDER_PORT0 gpioPortC /**< Slider Port. GPIO Port C */ 00042 #define CAPLESENSE_SLIDER0_PORT CAPSENSE_SLIDER_PORT0 /**< Slider 0 Port. GPIO Port C */ 00043 #define CAPLESENSE_SLIDER0_PIN 5UL /**< Slider 0 Pin 5 */ 00044 #define CAPLESENSE_SLIDER1_PORT CAPSENSE_SLIDER_PORT0 /**< Slider 1 Port. GPIO Port C */ 00045 #define CAPLESENSE_SLIDER1_PIN 7UL /**< Slider 1 Pin 7 */ 00046 #define CAPLESENSE_SLIDER2_PORT CAPSENSE_SLIDER_PORT0 /**< Slider 2 Port. GPIO Port C */ 00047 #define CAPLESENSE_SLIDER2_PIN 12UL /**< Slider 2 Pin 12 */ 00048 #define CAPLESENSE_SLIDER3_PORT CAPSENSE_SLIDER_PORT0 /**< Slider 3 Port. GPIO Port C */ 00049 #define CAPLESENSE_SLIDER3_PIN 13UL /**< Slider 3 Pin 13 */ 00050 00051 00052 #define LESENSE_CHANNELS 16 /**< Number of channels for the Low Energy Sensor Interface. */ 00053 00054 #define SLIDER_PART0_CHANNEL 5 /**< Touch slider channel Part 0 */ 00055 #define SLIDER_PART1_CHANNEL 7 /**< Touch slider channel Part 1 */ 00056 #define SLIDER_PART2_CHANNEL 12 /**< Touch slider channel Part 2 */ 00057 #define SLIDER_PART3_CHANNEL 13 /**< Touch slider channel Part 3 */ 00058 00059 #define CAPLESENSE_CHANNEL_INT (LESENSE_IF_CH5 | LESENSE_IF_CH7 | LESENSE_IF_CH12 | LESENSE_IF_CH13) 00060 00061 /** Upper voltage threshold. */ 00062 #define LESENSE_ACMP_VDD_SCALE 0x37U 00063 00064 /**************************************************************************//** 00065 * @brief A bit vector which represents the channels to iterate through 00066 * @param LESENSE_CHANNELS Vector of channels. 00067 *****************************************************************************/ 00068 #define LESENSE_CAPSENSE_CH_IN_USE {\ 00069 /* Ch0, Ch1, Ch2, Ch3, Ch4, Ch5, Ch6, Ch7 */\ 00070 false, false, false, false, false, true, false, true,\ 00071 /* Ch8, Ch9, Ch10, Ch11, Ch12, Ch13, Ch14, Ch15 */\ 00072 false, false, false, false, true, true, false, false\ 00073 } 00074 00075 /** Configuration for capacitive sense channels in sense mode. */ 00076 #define LESENSE_CAPSENSE_CH_CONF_SENSE \ 00077 { \ 00078 true, /* Enable scan channel. */ \ 00079 true, /* Enable the assigned pin on scan channel. */ \ 00080 false, /* Disable interrupts on channel. */ \ 00081 lesenseChPinExDis, /* GPIO pin is disabled during the excitation period. */ \ 00082 lesenseChPinIdleDis, /* GPIO pin is disabled during the idle period. */ \ 00083 false, /* Don't use alternate excitation pins for excitation. */ \ 00084 false, /* Disabled to shift results from this channel to the decoder register. */ \ 00085 false, /* Disabled to invert the scan result bit. */ \ 00086 true, /* Enabled to store counter value in the result buffer. */ \ 00087 lesenseClkLF, /* Use the LF clock for excitation timing. */ \ 00088 lesenseClkLF, /* Use the LF clock for sample timing. */ \ 00089 0x00U, /* Excitation time is set to 0 excitation clock cycles. */ \ 00090 0x0FU, /* Sample delay is set to 15(+1) sample clock cycles. */ \ 00091 0x00U, /* Measure delay is set to 0 excitation clock cycles.*/ \ 00092 LESENSE_ACMP_VDD_SCALE, /* ACMP threshold has been set to LESENSE_ACMP_VDD_SCALE. */ \ 00093 lesenseSampleModeCounter, /* ACMP will be used in comparison. */ \ 00094 lesenseSetIntLevel, /* Interrupt is generated if the sensor triggers. */ \ 00095 0x00U, /* Counter threshold has been set to 0x00. */ \ 00096 lesenseCompModeLess /* Compare mode has been set to trigger interrupt on "less". */ \ 00097 } 00098 00099 /** Configuration for capacitive sense channels in sleep mode. */ 00100 #define LESENSE_CAPSENSE_CH_CONF_SLEEP \ 00101 { \ 00102 true, /* Enable scan channel. */ \ 00103 true, /* Enable the assigned pin on scan channel. */ \ 00104 true, /* Enable interrupts on channel. */ \ 00105 lesenseChPinExDis, /* GPIO pin is disabled during the excitation period. */ \ 00106 lesenseChPinIdleDis, /* GPIO pin is disabled during the idle period. */ \ 00107 false, /* Don't use alternate excitation pins for excitation. */ \ 00108 false, /* Disabled to shift results from this channel to the decoder register. */ \ 00109 false, /* Disabled to invert the scan result bit. */ \ 00110 true, /* Enabled to store counter value in the result buffer. */ \ 00111 lesenseClkLF, /* Use the LF clock for excitation timing. */ \ 00112 lesenseClkLF, /* Use the LF clock for sample timing. */ \ 00113 0x00U, /* Excitation time is set to 0 excitation clock cycles. */ \ 00114 0x01U, /* Sample delay is set to 1(+1) sample clock cycles. */ \ 00115 0x00U, /* Measure delay is set to 0 excitation clock cycles.*/ \ 00116 LESENSE_ACMP_VDD_SCALE, /* ACMP threshold has been set to LESENSE_ACMP_VDD_SCALE. */ \ 00117 lesenseSampleModeCounter, /* Counter will be used in comparison. */ \ 00118 lesenseSetIntLevel, /* Interrupt is generated if the sensor triggers. */ \ 00119 0x0EU, /* Counter threshold has been set to 0x0E. */ \ 00120 lesenseCompModeLess /* Compare mode has been set to trigger interrupt on "less". */ \ 00121 } 00122 00123 /** Configuration for disabled channels. */ 00124 #define LESENSE_DISABLED_CH_CONF \ 00125 { \ 00126 false, /* Disable scan channel. */ \ 00127 false, /* Disable the assigned pin on scan channel. */ \ 00128 false, /* Disable interrupts on channel. */ \ 00129 lesenseChPinExDis, /* GPIO pin is disabled during the excitation period. */ \ 00130 lesenseChPinIdleDis, /* GPIO pin is disabled during the idle period. */ \ 00131 false, /* Don't use alternate excitation pins for excitation. */ \ 00132 false, /* Disabled to shift results from this channel to the decoder register. */ \ 00133 false, /* Disabled to invert the scan result bit. */ \ 00134 false, /* Disabled to store counter value in the result buffer. */ \ 00135 lesenseClkLF, /* Use the LF clock for excitation timing. */ \ 00136 lesenseClkLF, /* Use the LF clock for sample timing. */ \ 00137 0x00U, /* Excitation time is set to 5(+1) excitation clock cycles. */ \ 00138 0x00U, /* Sample delay is set to 7(+1) sample clock cycles. */ \ 00139 0x00U, /* Measure delay is set to 0 excitation clock cycles.*/ \ 00140 0x00U, /* ACMP threshold has been set to 0. */ \ 00141 lesenseSampleModeCounter, /* ACMP output will be used in comparison. */ \ 00142 lesenseSetIntNone, /* No interrupt is generated by the channel. */ \ 00143 0x00U, /* Counter threshold has been set to 0x01. */ \ 00144 lesenseCompModeLess /* Compare mode has been set to trigger interrupt on "less". */ \ 00145 } 00146 00147 /** Configuration for scan in sense mode. */ 00148 #define LESENSE_CAPSENSE_SCAN_CONF_SENSE \ 00149 { \ 00150 { \ 00151 LESENSE_DISABLED_CH_CONF, /* Channel 0. */ \ 00152 LESENSE_DISABLED_CH_CONF, /* Channel 1. */ \ 00153 LESENSE_DISABLED_CH_CONF, /* Channel 2. */ \ 00154 LESENSE_DISABLED_CH_CONF, /* Channel 3. */ \ 00155 LESENSE_DISABLED_CH_CONF, /* Channel 4. */ \ 00156 LESENSE_CAPSENSE_CH_CONF_SENSE, /* Channel 5. */ \ 00157 LESENSE_DISABLED_CH_CONF, /* Channel 6. */ \ 00158 LESENSE_CAPSENSE_CH_CONF_SENSE, /* Channel 7. */ \ 00159 LESENSE_DISABLED_CH_CONF, /* Channel 8. */ \ 00160 LESENSE_DISABLED_CH_CONF, /* Channel 9. */ \ 00161 LESENSE_DISABLED_CH_CONF, /* Channel 10. */ \ 00162 LESENSE_DISABLED_CH_CONF, /* Channel 11. */ \ 00163 LESENSE_CAPSENSE_CH_CONF_SENSE, /* Channel 12. */ \ 00164 LESENSE_CAPSENSE_CH_CONF_SENSE, /* Channel 13. */ \ 00165 LESENSE_DISABLED_CH_CONF, /* Channel 14. */ \ 00166 LESENSE_DISABLED_CH_CONF /* Channel 15. */ \ 00167 } \ 00168 } 00169 00170 /** Configuration for scan in sleep mode. */ 00171 #define LESENSE_CAPSENSE_SCAN_CONF_SLEEP \ 00172 { \ 00173 { \ 00174 LESENSE_DISABLED_CH_CONF, /* Channel 0. */ \ 00175 LESENSE_DISABLED_CH_CONF, /* Channel 1. */ \ 00176 LESENSE_DISABLED_CH_CONF, /* Channel 2. */ \ 00177 LESENSE_DISABLED_CH_CONF, /* Channel 3. */ \ 00178 LESENSE_DISABLED_CH_CONF, /* Channel 4. */ \ 00179 LESENSE_CAPSENSE_CH_CONF_SLEEP, /* Channel 5. */ \ 00180 LESENSE_DISABLED_CH_CONF, /* Channel 6. */ \ 00181 LESENSE_CAPSENSE_CH_CONF_SLEEP, /* Channel 7. */ \ 00182 LESENSE_DISABLED_CH_CONF, /* Channel 8. */ \ 00183 LESENSE_DISABLED_CH_CONF, /* Channel 9. */ \ 00184 LESENSE_DISABLED_CH_CONF, /* Channel 10. */ \ 00185 LESENSE_DISABLED_CH_CONF, /* Channel 11. */ \ 00186 LESENSE_CAPSENSE_CH_CONF_SLEEP, /* Channel 12. */ \ 00187 LESENSE_CAPSENSE_CH_CONF_SLEEP, /* Channel 13. */ \ 00188 LESENSE_DISABLED_CH_CONF, /* Channel 14. */ \ 00189 LESENSE_DISABLED_CH_CONF /* Channel 15. */ \ 00190 } \ 00191 } 00192 00193 #ifdef __cplusplus 00194 } 00195 #endif 00196 00197 /** @} (end group CapSense) */ 00198 /** @} (end group Drivers) */
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