#ifndef CUSTOM_BOARD_H
#define CUSTOM_BOARD_H

#define NRF52840_BREAKOUT_BOARD 1
#define ADS1298 1
#if ADS1298
  #define ADS1298_STATS 0
#endif

// 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_WHO_AM_I 0xD
  #define TN_STREAM_REQUEST_PERIPHERAL_INFO 0xE
  
  #define TN_MISC_THROUGHPUT_TEST  0xF
  #define TN_MISC_RTT_REQUEST      0x1
  
  // #################### RESPONSE CODES ####################
  // #NOTE: 0x01 and 0x02 are reserved (for now) for legacy BLE reasons. I should deprecate and
  // remove these.
  #define CTRL_STAT_INFO_STRING         0x01
  #define CTRL_STAT_INFO_BYTES_SENT     0x02
  #define CTRL_STAT_INFO_PERIPHERALS    0x03
  #define CTRL_STAT_INFO_HW_FW_VERSION  0x04
  #define CTRL_STAT_INFO_WHO_AM_I       0x05
  
  #define CTRL_STAT_INFO_BATTERY_LEVEL  0xB1
  // For register readback, the following bytes will be ic-dependent, as
  // some devices have more than 62 bytes worth of registers, so it may
  // need to be split up into pages. 
  #define CTRL_REGISTER_READBACK        0xC8
  #define CTRL_ACK_WRITE_IC_REGISTER    0xDF
  #define CTRL_ACK_RTT_REQUEST          0xE0
  
  // %%% IC Identifiers %%%
  // I want a SINGLE table for 8-bit IDs corresponding to different ICs
  // These values can be anything from 0x06:0xFF, as long as it doesn't conflict
  // with any of the reserved ones from above. 
  
  // If the USB packet leads [0] with the ID, then it is a data packet 
  // in the typical format of [ID, Serial, ...data] where the length of data
  // should be statically determined in advance.
  // For example, with the ADS1298, the packet length is determined based on the
  // channel count (see: ads1298_set_data_buffer_length for more details)
  // #define RESPONSE_PACKET          0x00
  #define IC_ID_ADS1298            0xD1
  #define IC_ID_EXT                0xFF // see next byte for extended table
  
  #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