| 248,12 → 248,6 |
|---|
| rxd_buffer[ptr_rxd_buffer++] = c; // copy 1st byte to buffer |
| checksum = c; // init checksum |
| } |
| #if 0 |
| else if (ptr_rxd_buffer == 1) { // handle address |
| rxd_buffer[ptr_rxd_buffer++] = c; // copy byte to rxd buffer |
| checksum += c; // update checksum |
| } |
| #endif |
| else if (ptr_rxd_buffer < RXD_BUFFER_LEN) { // collect incomming bytes |
| if (c != '\r') { // no termination character |
| rxd_buffer[ptr_rxd_buffer++] = c; // copy byte to rxd buffer |
| 296,8 → 290,8 |
|---|
| tmpchecksum += txd_buffer[i]; |
| } |
| tmpchecksum %= 4096; |
| txd_buffer[i++] = '=' + tmpchecksum / 64; |
| txd_buffer[i++] = '=' + tmpchecksum % 64; |
| txd_buffer[i++] = '=' + tmpchecksum >> 6; |
| txd_buffer[i++] = '=' + tmpchecksum & 0x3F; |
| txd_buffer[i++] = '\r'; |
| txd_complete = FALSE; |
| UDR0 = txd_buffer[0]; // initiates the transmittion (continued in the TXD ISR) |