diff options
Diffstat (limited to 'drivers/tdisp/HD44780/tdisp_lld.c')
-rw-r--r-- | drivers/tdisp/HD44780/tdisp_lld.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/drivers/tdisp/HD44780/tdisp_lld.c b/drivers/tdisp/HD44780/tdisp_lld.c deleted file mode 100644 index d0f4af0d..00000000 --- a/drivers/tdisp/HD44780/tdisp_lld.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - 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.c - * @brief TDISP driver subsystem low level driver source for the HD44780 display - * - * @addtogroup TDISP - * @{ - */ - -#include "ch.h" -#include "hal.h" -#include "gfx.h" - -#if GFX_USE_TDISP /*|| defined(__DOXYGEN__)*/ - -#include "tdisp_lld_board_example.h" - -static void _writeData(uint8_t data) { - write_bus(data); - - setpin_e(TRUE); - chThdSleepMicroseconds(1); - setpin_e(FALSE); - chThdSleepMicroseconds(5); -} - -void tdisp_lld_write_cmd(uint8_t data) { - setpin_rs(FALSE); - setpin_rw(FALSE); - - #if TDISP_NEED_4BIT_MODE - _writeData(data>>4); - #endif - _writeData(data); -} - -void tdisp_lld_write_data(uint8_t data) { - setpin_rs(TRUE); - setpin_rw(FALSE); - - #if TDISP_NEED_4BIT_MODE - _writeData(data>>4); - #endif - _writeData(data); -} - -bool_t tdisp_lld_init(void) { - /* initialise MCU hardware */ - init_board(); - - /* wait some time */ - chThdSleepMilliseconds(50); - - tdisp_lld_write_cmd(0x38); - chThdSleepMilliseconds(64); - - tdisp_lld_write_cmd(0x0f); - chThdSleepMicroseconds(50); - - tdisp_lld_write_cmd(0x01); - chThdSleepMilliseconds(5); - - tdisp_lld_write_cmd(0x06); - chThdSleepMicroseconds(50); - - return TRUE; -} - -void tdisp_lld_set_cursor(coord_t col, coord_t row) { - uint8_t row_offsets[] = { 0x00, 0x40, 0x14, 0x54 }; - - if(row >= TDISP_ROWS) - row = TDISP_ROWS - 1; - - tdisp_lld_write_cmd(0x80 | (col + row_offsets[row])); -} - -void tdisp_lld_create_char(uint8_t address, char *charmap) { - uint8_t i; - - /* make sure we don't write somewhere we're not supposed to */ - address &= TDISP_MAX_CUSTOM_CHARS; - - tdisp_lld_write_cmd(0x40 | (address << 3)); - - for(i = 0; i < 8; i++) { - tdisp_lld_write_data(charmap[i]); - } -} - -void tdisp_lld_clear(void) { - tdisp_lld_write_cmd(0x01); -} - -void tdisp_lld_home(void) { - tdisp_lld_write_cmd(0x02); -} - -void tdisp_lld_control(uint16_t what, void *value) { - (void)what; - (void)value; -/* - switch(attributes) { - case TDISP_ON: - _displaycontrol |= 0x04; - tdisp_lld_write_cmd(0x08 | _displaycontrol); - break; - case TDISP_OFF: - _displaycontrol &=~ 0x04; - tdisp_lld_write_cmd(0x08 | _displaycontrol); - break; - case TDISP_CURSOR_ON: - _displaycontrol |= 0x02; - tdisp_lld_write_cmd(0x08 | _displaycontrol); - break; - case TDISP_CURSOR_OFF: - _displaycontrol &=~ 0x02; - tdisp_lld_write_cmd(0x08 | _displaycontrol); - break; - case TDISP_CURSOR_BLINK_ON: - _displaycontrol |= 0x00; - tdisp_lld_write_cmd(0x08 | _displaycontrol); - break; - case TDISP_CURSOR_BLINK_OFF: - _displaycontrol &=~ 0x00; - tdisp_lld_write_cmd(0x08 | _displaycontrol); - break; - } -*/ -} - -#endif /* GFX_USE_TDISP */ -/** @} */ - |