28 #ifndef PLATFORM_SENSE_REV4_H_    29 #define PLATFORM_SENSE_REV4_H_    43 #define LEDS_ACTIVE_STATE 1    45 #define LED_LIGHT_SENSE   28    54 #define BUTTON_ACTIVE_STATE 0    60 #define JACK_AUDIO_JACK_IO_PIN  11    61 #define JACK_FOCUS_PIN    12    62 #define JACK_TRIGGER_PIN  13    65 #define BATT_VOLTAGE_SENSE  31    71 #define RX_PIN_NUMBER   17    72 #define TX_PIN_NUMBER   20    74 #define RTS_PIN_NUMBER    23    75 #define CTS_PIN_NUMBER    24    83 #define PIR_AMP_SIGNAL_PIN    4    85 #define PIR_AMP_OFFSET_PIN    5    92 #define MCP4012T_CS_PIN   6    94 #define MCP4012T_UD_PIN 7   106 #define DC_DC_CIRCUITRY   true   110 #define NFC_CIRCUITRY   false   113 #define LFCLK_XTAL_PRESENT  true   116 #define HFCLK_XTAL_PRESENT  true   119 #define BOARD_LFCLKSRC_STRUCT  {.source        = NRF_CLOCK_LF_SRC_XTAL,            \   122                                     .accuracy = NRF_CLOCK_LF_ACCURACY_20_PPM}   124 #define BOARD_LFCLKSRC         NRF_CLOCK_LFCLK_Xtal