moved to it's own directory

busunit/PIU/firmware/ardworker_rcv.ino

@@ -1,120 +0,0 @@
-//
-// This code is in the public domain.
-//
-// License: CC0
-//
-
-#include <Wire.h>
-
-
-#define MSG_BUF_MAX 128
-#define ARDWORKER_I2C_ADDRESS 0x08
-
-
-char _tbuf[MSG_BUF_MAX];
-
-int   i2c_msg_buf_n = 0,
-      i2c_msg_buf_rdy = 0;
-char  i2c_msg_buf[MSG_BUF_MAX];
-
-int serial_buf_s=0,
-    serial_buf_n=0;
-char serial_buf[MSG_BUF_MAX];
-
-void setup() {
-  i2c_msg_buf_rdy = 0;
-  i2c_msg_buf[0] = '\0';
-  i2c_msg_buf_n = 0;
-
-  serial_buf_s=0;
-  serial_buf_n=0;
-  serial_buf[0] = '\0';
-  
-  Wire.begin(ARDWORKER_I2C_ADDRESS);
-  Wire.onReceive(receive_i2c_data);
-  Wire.onRequest(send_i2c_data);
-  Serial.begin(115200);
-}
-
-
-
-void loop() {
-  int i, _b, _cur;
-  int _ser_print_rdy = 0;
-  
-
-  noInterrupts();
-  if (Serial.available()) {
-    _b = Serial.read();
-    if (_b >= 0) {
-  
-      // Add to our circular serial_buf for later tranport
-      // through to the i2c line.
-      //
-      if (serial_buf_n < MSG_BUF_MAX) {
-        _cur = (serial_buf_s + serial_buf_n) % MSG_BUF_MAX;
-        serial_buf[_cur] = (char)_b;
-        serial_buf_n++;
-      }
-
-    }
-
-  }
-  interrupts();
-
-  noInterrupts();
-  if (i2c_msg_buf_rdy) {
-    for (i=0; i<MSG_BUF_MAX; i++) {
-      _tbuf[i] = i2c_msg_buf[i];
-    }
-    
-    i2c_msg_buf[0] = '\0';
-    i2c_msg_buf_n=0;
-    i2c_msg_buf_rdy=0;
-    _ser_print_rdy = 1;
-  }
-  interrupts();
-
-  if (_ser_print_rdy) {
-    Serial.print(_tbuf);
-  }
-
-}
-
-
-void send_i2c_data() {
-  int res;
-
-  if (serial_buf_n > 0) {
-    res = Wire.write((char)serial_buf[serial_buf_s]);
-    serial_buf_n--;
-    serial_buf_s++;
-    serial_buf_s %= MSG_BUF_MAX;
-  }
-
-}
-
-
-void receive_i2c_data(int howMany) {
-  char c;
-
-  while ( Wire.available()) {
-    c = Wire.read();
-
-    i2c_msg_buf[i2c_msg_buf_n++] = c;
-    if (i2c_msg_buf_n >= MSG_BUF_MAX) {
-      i2c_msg_buf_n = MSG_BUF_MAX-1;
-    }
-
-    if ((c == '\n') || (c == '\r')) {
-      i2c_msg_buf[i2c_msg_buf_n] = '\0';
-
-      // Our messages are terminated by '\n' and '\r'.
-      // Once a message is received, shuttle it to the
-      // serial line.
-      //
-      i2c_msg_buf_rdy=1;
-    }
-  }
-
-}