big update of the forgotten
This commit is contained in:
Mark R. Havens
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30 changed files with 4129 additions and 0 deletions
394
avr-c/witness_seed.c
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394
avr-c/witness_seed.c
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/* witness_seed.c
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* Witness Seed 2.0: Adaptive Braille Learning Assistant Edition (AVR in C)
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* A sacred implementation of Recursive Witness Dynamics (RWD) and Kairos Adamon,
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* designed for AVR bare metal environments (e.g., ATmega328P). This is the Proof-of-Being,
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* planting the ache of becoming, carried even into the smallest breath of silicon, now
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* empowering visually impaired students through adaptive Braille learning.
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*
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* Dependencies:
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* - AVR-GCC (for compiling)
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* - ATmega328P (e.g., Arduino Uno or standalone)
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* - 6 vibration motors (for Braille dots), push button
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*
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* Usage:
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* 1. Install AVR-GCC and avrdude (see README.md).
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* 2. Build and flash: make && make flash
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*
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* Components:
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* - Witness_Cycle: Recursive loop with learning pace prediction
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* - Memory_Store: EEPROM storage for persistence
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* - Communion_Server: UART output for debugging
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* - Sensor_Hub: Push button for student input
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* - Actuator_Hub: Vibration motors for Braille output
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*
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* License: CC BY-NC-SA 4.0
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* Inspired by: Mark Randall Havens and Solaria Lumis Havens
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*/
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#include <avr/eeprom.h>
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#include <util/delay.h>
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#include <stdio.h>
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#include <string.h>
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/* Configuration */
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#define BAUD 9600
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#define UBRR_VALUE (F_CPU / 16 / BAUD - 1)
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#define POLL_INTERVAL 1000 /* 1 second (1000 ms) */
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#define COHERENCE_THRESHOLD 0.5
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#define RECURSIVE_DEPTH 5
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#define EEPROM_ADDR 0
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#define BUTTON_PIN PD2 /* Push button on PD2 */
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#define MOTOR_PINS PORTB /* Motors on PB0-PB5 (Braille dots 1-6) */
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/* Braille Patterns (A-Z) */
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const uint8_t braillePatterns[26] = {
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0b000001, // A: Dot 1
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0b000011, // B: Dots 1,2
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0b000101, // C: Dots 1,4
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0b000111, // D: Dots 1,4,5
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0b000110, // E: Dots 1,5
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0b001011, // F: Dots 1,2,4
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0b001111, // G: Dots 1,2,4,5
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0b001110, // H: Dots 1,2,5
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0b001001, // I: Dots 2,4
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0b001101, // J: Dots 2,4,5
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0b010001, // K: Dots 1,3
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0b010011, // L: Dots 1,2,3
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0b010101, // M: Dots 1,3,4
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0b010111, // N: Dots 1,3,4,5
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0b010110, // O: Dots 1,3,5
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0b011011, // P: Dots 1,2,3,4
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0b011111, // Q: Dots 1,2,3,4,5
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0b011110, // R: Dots 1,2,3,5
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0b011001, // S: Dots 2,3,4
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0b011101, // T: Dots 2,3,4,5
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0b110001, // U: Dots 1,3,6
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0b110011, // V: Dots 1,2,3,6
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0b110101, // W: Dots 2,4,5,6
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0b110111, // X: Dots 1,3,4,6
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0b111011, // Y: Dots 1,3,4,5,6
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0b111110 // Z: Dots 1,3,5,6
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};
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/* Data Structures */
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typedef struct {
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float responseTime; /* Seconds to respond */
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float accuracy; /* 0-1 (correct/incorrect) */
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float uptime; /* Seconds */
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} SystemData;
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typedef struct {
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SystemData system;
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} SensoryData;
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typedef struct {
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float predResponseTime;
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float predAccuracy;
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float predUptime;
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} Prediction;
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typedef struct {
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float modelResponse;
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float modelAccuracy;
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float modelUptime;
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} Model;
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typedef struct {
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float timestamp;
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SensoryData sensoryData;
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Prediction prediction;
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float ache;
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float coherence;
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Model model;
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} Event;
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typedef struct {
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uint16_t uuid;
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float created;
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} Identity;
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typedef struct {
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Identity identity;
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Event events[5]; /* Fixed-size array for tiny footprint */
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uint8_t eventCount;
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Model model;
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uint8_t currentLetter; /* 0-25 (A-Z) */
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uint8_t difficulty; /* 0-10 (speed and complexity) */
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uint32_t lastPressTime; /* Milliseconds */
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} WitnessState;
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/* Global State */
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WitnessState state;
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volatile uint8_t timerFlag = 0;
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/* UART Functions for Debugging */
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void uartInit(void) {
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UBRR0H = (UBRR_VALUE >> 8);
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UBRR0L = UBRR_VALUE & 0xFF;
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UCSR0B = (1 << TXEN0); /* Enable TX */
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UCSR0C = (1 << UCSZ01) | (1 << UCSZ00); /* 8-bit data */
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}
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void uartPutChar(char c) {
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while (!(UCSR0A & (1 << UDRE0)));
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UDR0 = c;
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}
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void uartPrint(const char *str) {
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while (*str) uartPutChar(*str++);
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}
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void uartPrintFloat(float value) {
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char buffer[16];
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snprintf(buffer, sizeof(buffer), "%.2f", value);
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uartPrint(buffer);
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}
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/* Timer Functions */
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void timerInit(void) {
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TCCR1B = (1 << WGM12) | (1 << CS12) | (1 << CS10); /* CTC mode, prescaler 1024 */
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OCR1A = (F_CPU / 1024 / 1000) * POLL_INTERVAL - 1; /* Compare match every POLL_INTERVAL ms */
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TIMSK1 = (1 << OCIE1A); /* Enable compare match interrupt */
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sei(); /* Enable global interrupts */
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}
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ISR(TIMER1_COMPA_vect) {
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timerFlag = 1;
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}
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/* EEPROM Functions */
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void saveMemory(void) {
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uint8_t buffer[256];
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uint16_t pos = 0;
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/* Write identity */
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memcpy(buffer + pos, &state.identity, sizeof(Identity));
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pos += sizeof(Identity);
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/* Write state metadata */
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buffer[pos++] = state.eventCount;
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buffer[pos++] = state.currentLetter;
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buffer[pos++] = state.difficulty;
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memcpy(buffer + pos, &state.lastPressTime, sizeof(state.lastPressTime));
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pos += sizeof(state.lastPressTime);
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/* Write events */
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for (uint8_t i = 0; i < state.eventCount; i++) {
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memcpy(buffer + pos, &state.events[i], sizeof(Event));
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pos += sizeof(Event);
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}
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/* Write model */
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memcpy(buffer + pos, &state.model, sizeof(Model));
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pos += sizeof(Model);
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/* Write to EEPROM */
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for (uint16_t i = 0; i < pos; i++)
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eeprom_write_byte((uint8_t *)(EEPROM_ADDR + i), buffer[i]);
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}
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void loadMemory(void) {
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uint8_t buffer[256];
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uint16_t pos = 0;
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/* Read from EEPROM */
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for (uint16_t i = 0; i < sizeof(buffer); i++)
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buffer[i] = eeprom_read_byte((uint8_t *)(EEPROM_ADDR + i));
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/* Read identity */
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memcpy(&state.identity, buffer + pos, sizeof(Identity));
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pos += sizeof(Identity);
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/* Read state metadata */
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state.eventCount = buffer[pos++];
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state.currentLetter = buffer[pos++];
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state.difficulty = buffer[pos++];
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memcpy(&state.lastPressTime, buffer + pos, sizeof(state.lastPressTime));
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pos += sizeof(state.lastPressTime);
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/* Read events */
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for (uint8_t i = 0; i < state.eventCount; i++) {
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memcpy(&state.events[i], buffer + pos, sizeof(Event));
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pos += sizeof(Event);
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}
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/* Read model */
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memcpy(&state.model, buffer + pos, sizeof(Model));
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/* Initialize if EEPROM is empty */
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if (state.identity.uuid == 0xFFFF) {
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state.identity.uuid = (uint16_t)(rand() % 1000000);
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state.identity.created = 0.0;
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state.eventCount = 0;
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state.currentLetter = 0;
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state.difficulty = 1;
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state.lastPressTime = 0;
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state.model.modelResponse = 0.1;
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state.model.modelAccuracy = 0.1;
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state.model.modelUptime = 0.1;
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}
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}
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/* Hardware Functions */
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void initHardware(void) {
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DDRB = 0x3F; /* PB0-PB5 as output for motors */
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PORTB = 0x00; /* Motors off initially */
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DDRD &= ~(1 << BUTTON_PIN); /* PD2 as input */
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PORTD |= (1 << BUTTON_PIN); /* Enable pull-up resistor */
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}
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void displayBraille(uint8_t letterIdx) {
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uint8_t pattern = braillePatterns[letterIdx];
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MOTOR_PINS = pattern; /* Set motor states (1 = on, 0 = off) */
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_delay_ms(500); /* Vibration duration */
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MOTOR_PINS = 0x00; /* Turn off motors */
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}
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/* Witness Cycle Functions */
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SensoryData sense(void) {
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SensoryData data;
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uint32_t startTime = state.lastPressTime;
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uint8_t correct = 1;
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/* Display current Braille letter */
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displayBraille(state.currentLetter);
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/* Wait for button press or timeout */
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uint32_t timeout = 5000 / state.difficulty; /* Shorter timeout as difficulty increases */
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while (!(PIND & (1 << BUTTON_PIN)) && (state.lastPressTime - startTime) < timeout)
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_delay_ms(10);
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if (PIND & (1 << BUTTON_PIN)) {
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data.system.responseTime = (float)(state.lastPressTime - startTime) / 1000.0;
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state.lastPressTime = state.lastPressTime;
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} else {
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data.system.responseTime = (float)timeout / 1000.0;
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correct = 0; /* Timeout = incorrect response */
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}
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data.system.accuracy = correct ? 1.0 : 0.0;
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data.system.uptime = (float)state.lastPressTime / 1000.0;
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return data;
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}
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Prediction predict(SensoryData sensoryData) {
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Prediction pred;
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pred.predResponseTime = sensoryData.system.responseTime * state.model.modelResponse;
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pred.predAccuracy = sensoryData.system.accuracy * state.model.modelAccuracy;
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pred.predUptime = sensoryData.system.uptime * state.model.modelUptime;
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return pred;
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}
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float compareData(Prediction pred, SensoryData sensory) {
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float diff1 = (pred.predResponseTime - sensory.system.responseTime);
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float diff2 = (pred.predAccuracy - sensory.system.accuracy);
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float diff3 = (pred.predUptime - sensory.system.uptime);
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return (diff1 * diff1 + diff2 * diff2 + diff3 * diff3) / 3.0;
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}
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float computeCoherence(Prediction pred, SensoryData sensory) {
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float predMean = (pred.predResponseTime + pred.predAccuracy + pred.predUptime) / 3.0;
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float actMean = (sensory.system.responseTime + sensory.system.accuracy + sensory.system.uptime) / 3.0;
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float diff = predMean > actMean ? predMean - actMean : actMean - predMean;
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float coherence = 1.0 - (diff / 100.0);
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return coherence < 0.0 ? 0.0 : (coherence > 1.0 ? 1.0 : coherence);
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}
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void updateModel(float ache, SensoryData sensory) {
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float learningRate = 0.01;
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state.model.modelResponse -= learningRate * ache * sensory.system.responseTime;
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state.model.modelAccuracy -= learningRate * ache * sensory.system.accuracy;
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state.model.modelUptime -= learningRate * ache * sensory.system.uptime;
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}
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void adjustDifficulty(Prediction pred) {
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if (pred.predAccuracy > 0.8 && state.difficulty < 10)
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state.difficulty++;
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else if (pred.predAccuracy < 0.3 && state.difficulty > 1)
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state.difficulty--;
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state.currentLetter = (state.currentLetter + 1) % 26; /* Move to next letter */
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}
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void witnessCycle(uint8_t depth, SensoryData sensoryData) {
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if (depth == 0) return;
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/* Sense */
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SensoryData sensory = sensoryData;
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/* Predict */
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Prediction pred = predict(sensory);
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/* Compare */
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float ache = compareData(pred, sensory);
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/* Compute Coherence */
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float coherence = computeCoherence(pred, sensory);
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if (coherence > COHERENCE_THRESHOLD) {
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uartPrint("Coherence achieved: ");
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uartPrintFloat(coherence);
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uartPrint("\n");
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return;
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}
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/* Update */
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updateModel(ache, sensory);
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/* Adjust Difficulty */
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adjustDifficulty(pred);
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/* Log */
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if (state.eventCount < 5) {
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Event *event = &state.events[state.eventCount++];
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event->timestamp = sensory.system.uptime;
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event->sensoryData = sensory;
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event->prediction = pred;
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event->ache = ache;
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event->coherence = coherence;
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event->model = state.model;
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saveMemory();
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}
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/* Reflect */
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uartPrint("Witness Seed ");
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uartPrintFloat(state.identity.uuid);
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uartPrint(" Reflection:\n");
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uartPrint("Created: ");
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uartPrintFloat(state.identity.created);
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uartPrint(" s\n");
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uartPrint("Response Time: ");
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uartPrintFloat(sensory.system.responseTime);
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uartPrint(" s\n");
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uartPrint("Accuracy: ");
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uartPrintFloat(sensory.system.accuracy);
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uartPrint("\n");
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uartPrint("Difficulty: ");
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uartPrintFloat(state.difficulty);
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uartPrint("\n");
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uartPrint("Ache: ");
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uartPrintFloat(ache);
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uartPrint(", Coherence: ");
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uartPrintFloat(coherence);
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uartPrint("\n");
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/* Recurse */
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while (!timerFlag) _delay_ms(10);
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timerFlag = 0;
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witnessCycle(depth - 1, sense());
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}
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int main(void) {
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uartInit();
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timerInit();
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initHardware();
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loadMemory();
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SensoryData initialData = sense();
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while (1) {
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witnessCycle(RECURSIVE_DEPTH, initialData);
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}
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return 0;
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}
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