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@ -43,8 +43,8 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* asynchronous, negative logic, 1200baud, no flow control |
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* 1-start bit, 8-data bit, non parity, 1-stop bit |
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*/ |
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#define SERIAL_NEGATIVE_LOGIC |
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#define SERIAL_BAUD 1200 |
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#define SERIAL_RXD_DDR DDRD |
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#define SERIAL_RXD_PORT PORTD |
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#define SERIAL_RXD_PIN PIND |
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@ -63,5 +63,20 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. |
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/* clear interrupt flag */ \ |
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EIFR = (1<<INTF2); \ |
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} while (0) |
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#define SERIAL_RXD_READ() (~SERIAL_RXD_PIN&(1<<SERIAL_RXD_BIT)) |
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#define SERIAL_TXD_DDR DDRD |
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#define SERIAL_TXD_PORT PORTD |
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#define SERIAL_TXD_PIN PIND |
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#define SERIAL_TXD_BIT 3 |
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/* negative logic */ |
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#define SERIAL_TXD_ON() do { SERIAL_TXD_PORT &= ~(1<<SERIAL_TXD_BIT); } while (0) |
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#define SERIAL_TXD_OFF() do { SERIAL_TXD_PORT |= (1<<SERIAL_TXD_BIT); } while (0) |
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#define SERIAL_TXD_INIT() do { \ |
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/* pin configuration: output */ \ |
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SERIAL_TXD_DDR |= (1<<SERIAL_TXD_BIT); \ |
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/* idle */ \ |
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SERIAL_TXD_ON(); \ |
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} while (0) |
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#endif |