diff options
Diffstat (limited to 'source/ct-Bot/include/uart.h')
| -rw-r--r-- | source/ct-Bot/include/uart.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/source/ct-Bot/include/uart.h b/source/ct-Bot/include/uart.h new file mode 100644 index 0000000..6b91a37 --- /dev/null +++ b/source/ct-Bot/include/uart.h @@ -0,0 +1,75 @@ +/* + * c't-Sim - Robotersimulator fuer den c't-Bot + * + * This program is free software; you can redistribute it + * and/or modify it under the terms of the GNU General + * Public License as published by the Free Software + * Foundation; either version 2 of the License, or (at your + * option) any later version. + * This program is distributed in the hope that it will be + * useful, but WITHOUT ANY WARRANTY; without even the implied + * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR + * PURPOSE. See the GNU General Public License for more details. + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the Free + * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307, USA. + * + */ + +/*! @file uart.h + * @brief Routinen zur seriellen Kommunikation + * @author Benjamin Benz (bbe@heise.de) + * @date 26.12.05 +*/ + +#ifndef UART_H_ +#define UART_H_ + +#include "command.h" + +//extern char uart_timeout; /*!< 0, wenn uart_read/uart_send erfolgreich; 1, wenn timeout erreicht */ + +/*! + * Initialisiere UART + */ +void uart_init(void); + +/*! + * Prüft, ob daten verfügbar + * @return Anzahl der verfuegbaren Bytes + */ +uint8 uart_data_available(void); + + +/*! + * Überträgt ein Zeichen per UART + * Achtung ist noch blockierend!!!! + * TODO: umstellen auf nicht blockierend und mehr als ein Zeichen + * @param data Das Zeichen + */ +void uart_send_byte(uint8 data); + +/*! + * Sende Kommando per UART im Little Endian + * @param cmd Zeiger auf das Kommando + * @return Anzahl der gesendete Bytes + */ +//int uart_send_cmd(command_t *cmd); +#define uart_send_cmd(cmd) uart_write((uint8*)cmd,sizeof(command_t)); + +/*! + * Sende Daten per UART im Little Endian + * @param data Datenpuffer + * @param length Groesse des Datenpuffers in bytes + * @return Anzahl der gesendete Bytes + */ +int uart_write(uint8 * data, int length); + +/* Liest Zeichen von der UART + * @param data Der Zeiger an die die gelesenen Zeichen kommen + * @param length Anzahl der zu lesenden Bytes + * @return Anzahl der tatsaechlich gelesenen Zeichen + */ +int uart_read(void* data, int length); +#endif |