diff options
author | David A. Mellis <d.mellis@arduino.cc> | 2007-10-06 14:09:02 +0000 |
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committer | David A. Mellis <d.mellis@arduino.cc> | 2007-10-06 14:09:02 +0000 |
commit | 72e9f39fbde96b484338cbbd785680e5ab4a2e72 (patch) | |
tree | bd441d569bf70c9697ccfbee7c70fa26d67be3a0 /targets/wiring/twi.h | |
parent | b86a6e051920a4ffdb92bc5b8de7260ff3978117 (diff) |
Renaming core to targets.
Diffstat (limited to 'targets/wiring/twi.h')
-rwxr-xr-x | targets/wiring/twi.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/targets/wiring/twi.h b/targets/wiring/twi.h new file mode 100755 index 0000000..7ccbf5c --- /dev/null +++ b/targets/wiring/twi.h @@ -0,0 +1,57 @@ +/* + twi.h - TWI/I2C library for Wiring & Arduino + Copyright (c) 2006 Nicholas Zambetti. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#ifndef twi_h
+#define twi_h
+ + #include <inttypes.h> + + //#define ATMEGA8 + + #ifndef CPU_FREQ
+ #define CPU_FREQ 16000000L + #endif + + #ifndef TWI_FREQ
+ #define TWI_FREQ 100000L + #endif + + #ifndef TWI_BUFFER_LENGTH + #define TWI_BUFFER_LENGTH 32 + #endif + + #define TWI_READY 0 + #define TWI_MRX 1 + #define TWI_MTX 2 + #define TWI_SRX 3 + #define TWI_STX 4 + + void twi_init(void); + void twi_setAddress(uint8_t); + uint8_t twi_readFrom(uint8_t, uint8_t*, uint8_t); + uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t); + uint8_t twi_transmit(uint8_t*, uint8_t); + void twi_attachSlaveRxEvent( void (*)(uint8_t*, int) ); + void twi_attachSlaveTxEvent( void (*)(void) ); + void twi_reply(uint8_t); + void twi_stop(void); + void twi_releaseBus(void);
+
+#endif + |