diff options
Diffstat (limited to 'drivers/tdisp/HD44780/tdisp_lld_board_example.h')
| -rw-r--r-- | drivers/tdisp/HD44780/tdisp_lld_board_example.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/tdisp/HD44780/tdisp_lld_board_example.h b/drivers/tdisp/HD44780/tdisp_lld_board_example.h new file mode 100644 index 00000000..3f5c47d7 --- /dev/null +++ b/drivers/tdisp/HD44780/tdisp_lld_board_example.h @@ -0,0 +1,64 @@ +/* + ChibiOS/GFX - Copyright (C) 2012 + Joel Bodenmann aka Tectu <joel@unormal.org> + + This file is part of ChibiOS/GFX. + + ChibiOS/GFX 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 3 of the License, or + (at your option) any later version. + + ChibiOS/GFX 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, see <http://www.gnu.org/licenses/>. +*/ + +/** + * @file drivers/tdisp/HD44780/tdisp_lld_board_example.h + * @brief TDISP driver subsystem board interface for the HD44780 display + * + * @addtogroup TDISP + * @{ + */ + +#ifndef _TDISP_LLD_BOARD_H +#define _TDISP_LLD_BOARD_H + +void init_board(void) { + palSetGroupMode(GPIOE, PAL_WHOLE_PORT, 0, PAL_MODE_OUTPUT_PUSHPULL); + palSetGroupMode(GPIOG, PAL_WHOLE_PORT, 0, PAL_MODE_OUTPUT_PUSHPULL); +} + +void setpin_e(bool_t state) { + if(state) + palSetPad(GPIOE, 2); + else + palClearPad(GPIOE, 2); +} + +void setpin_rs(bool_t state) { + if(state) + palSetPad(GPIOE, 0); + else + palClearPad(GPIOE, 0); +} + +void setpin_rw(bool_t state) { + if(state) + palSetPad(GPIOE, 1); + else + palClearPad(GPIOE, 1); +} + +void write_bus(uint8_t data) { + palWritePort(GPIOG, data); +} + +#endif /* _TDISP_LLD_BOARD_H */ +/** @} */ + |