#ifndef CUSTOM_BOARD_H #define CUSTOM_BOARD_H #define NRF52840_BREAKOUT_BOARD 1 #define ADS1298 1 // Testing with nRF52840: #if NRF52840_BREAKOUT_BOARD #define ADS1298_DRDY_PIN 11 #define ADS1298_MISO_PIN 12 #define ADS1298_SCK_PIN 13 #define ADS1298_CS_PIN 14 // I don't think you're supposed to tie PWDN and reset together on ADS1298 #define ADS1298_PWDN_PIN 15 #define ADS1298_MOSI_PIN 16 // This is the packet format for data received over USB: // [CN:4bit][TN:4bit][..data] // COMMAND NIBBLES (4-bit definitions), CN_ #define CN_WRITE_IC_REGS 0x8 // 0b1000 #define CN_READ_IC_REGS 0x4 // 0b0100 #define CN_STREAM_CONTROL 0xB // 0b1011 #define CN_MISC_CONTROLS 0xE // 0b1110 // CTRL_REQUEST_BATTERY_LEVEL :: 0xBB // TARGET NIBBLES (4-bit definitions) #define TN_IC_ADS1298 0x1 #define TN_IC_EXT 0xF // Extended .. check the next byte! #define TN_STREAM_START 0x2 #define TN_STREAM_STOP 0xF #define TN_STREAM_REQUEST_BATTERY_LEVEL 0xB #define TN_STREAM_REQUEST_INFO 0xE #define TN_MISC_THROUGHPUT_TEST 0xF #define TN_MISC_RTT_REQUEST 0x1 // #################### RESPONSE CODES #################### #define CTRL_STAT_INFO_PERIPHERALS 0x03 #define CTRL_STAT_INFO_HW_FW_VERSION 0x04 #define CTRL_STAT_INFO_WHO_AM_I 0x05 #define REGISTER_READBACK_PREFIX 0xC8 #define ID_REGISTER_READBACK_PREFIX 0xC9 #define REGISTER_READBACK_ADS1298 TN_IC_ADS1298 #define FIRST_NIBBLE(x) ((x >> 4) & 0xF) #define SECOND_NIBBLE(x) (x & 0xF) // For IC controls, we want to prefix the registers with the length: [u16???] // Data format will be different for each device. // For ADS1298 // [CN:4bit][TN:4bit][length:u8][..data] // For other device with 1 register read/write at a time // [CN:4bit][TN:4bit][RegisterID][RegisterData] for single register #endif // NRF52840_BREAKOUT_BOARD enum recording_mode_t { RECORDING_MODE_DISABLED = 0, RECORDING_MODE_ALL = 1 }; #endif // CUSTOM_BOARD_H