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readme.md

The Boolchain Project

Boolchain Logo

The boolchain project was founded out of the need for a scalable IO module that can read in boolean logic. The resultant circuit board implements a serial interface that can be loaded simultaneously and shifted into a host one bit at a time.

Requirements

In order to keep this library platform independent, it requires the implementor to write two IO functions that take the following format:

typedef bool (*bc_read_t)(bc_signal_t);
typedef void (*bc_write_t)(bc_signal_t, bool);

In this block, bc_signal_t is an enumeration that tells the user implemented function which pin to read or write to. The pins will always use the same direction, and should be set to the following:

SIGNAL NAME DIRECTION
BOOLSIG_ZERO OUTPUT
BOOLSIG_CLOCK OUTPUT
BOOLSIG_OUT OUTPUT
BOOLSIG_DIRECTION OUTPUT
BOOLSIG_RETURN INPUT

Sample Code

#define NODES_SUPPORTED 20
bc_t my_boolchain;
bool bc_buffer[NODES_SUPPORTED];
bc_error_t result = boolchain_init(&my_boolchain, bc_buffer, NODES_SUPPORTED, read_func, write_func);

if (result != BOOLCHAIN_OK) {
  // handle error here...
}

boolchain_capture(&my_boolchain);
for (i = 0; i < boolchain_count(&my_boolchain); i++) {
  bool sensor_data;
  bc_error_t read_result = boolchain_get(&my_boolchain, i, &sensor_data);
  if (read_result != BOOLCHAIN_OK) {
    // handle out of bounds error...
  }

  // do something with sensor_data...
}

About

The software and hardware for a chainable circuitboard for boolean sensors.

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