diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/tdisp/HD44780/tdisp_lld.c | 20 | ||||
| -rw-r--r-- | drivers/tdisp/HD44780/tdisp_lld_board_example.h | 1 | ||||
| -rw-r--r-- | drivers/tdisp/HD44780/tdisp_lld_board_olimex_e407.h (renamed from drivers/tdisp/HD44780/tdisp_lld_board_unknown.h) | 1 | ||||
| -rw-r--r-- | drivers/tdisp/HD44780/tdisp_lld_board_st_stm32f4_discovery.h | 72 |
4 files changed, 83 insertions, 11 deletions
diff --git a/drivers/tdisp/HD44780/tdisp_lld.c b/drivers/tdisp/HD44780/tdisp_lld.c index 32b2b8c9..6325e740 100644 --- a/drivers/tdisp/HD44780/tdisp_lld.c +++ b/drivers/tdisp/HD44780/tdisp_lld.c @@ -33,14 +33,12 @@ #if GFX_USE_TDISP /*|| defined(__DOXYGEN__)*/ /* Include the hardware interface details */ -#if defined(TDISP_USE_CUSTOM_BOARD) && TDISP_USE_CUSTOM_BOARD - /* Include the user supplied board definitions */ - #include "tdisp_lld_board.h" -#elif defined(BOARD_UNKNOWN) - #include "gdisp_lld_board_unknown.h" +#if defined(BOARD_OLIMEX_STM32_E407) + #include "tdisp_lld_board_olimex_e407.h" +#elif defined(BOARD_ST_STM32F4_DISCOVERY) + #include "tdisp_lld_board_st_stm32f4_discovery.h" #else - /* Include the user supplied board definitions */ - #include "gdisp_lld_board.h" + #include "tdisp_lld_board_example.h" #endif /* The user may override the default display size */ @@ -58,10 +56,10 @@ /* Define the properties of our controller */ tdispStruct TDISP = { - TDISP_COLUMNS, TDISP_ROWS, /* cols, rows */ - CUSTOM_CHAR_XBITS, CUSTOM_CHAR_YBITS, /* charBitsX, charBitsY */ - CUSTOM_CHAR_COUNT /* maxCustomChars */ - }; + TDISP_COLUMNS, TDISP_ROWS, /* cols, rows */ + CUSTOM_CHAR_XBITS, CUSTOM_CHAR_YBITS, /* charBitsX, charBitsY */ + CUSTOM_CHAR_COUNT /* maxCustomChars */ +}; /* Our display control */ #define DISPLAY_ON 0x04 diff --git a/drivers/tdisp/HD44780/tdisp_lld_board_example.h b/drivers/tdisp/HD44780/tdisp_lld_board_example.h index 1b41f0c3..ec4aa8e2 100644 --- a/drivers/tdisp/HD44780/tdisp_lld_board_example.h +++ b/drivers/tdisp/HD44780/tdisp_lld_board_example.h @@ -59,3 +59,4 @@ static void write_data(uint8_t data) { #endif /* _TDISP_LLD_BOARD_H */ /** @} */ + diff --git a/drivers/tdisp/HD44780/tdisp_lld_board_unknown.h b/drivers/tdisp/HD44780/tdisp_lld_board_olimex_e407.h index 381dc52b..311d8d9f 100644 --- a/drivers/tdisp/HD44780/tdisp_lld_board_unknown.h +++ b/drivers/tdisp/HD44780/tdisp_lld_board_olimex_e407.h @@ -69,3 +69,4 @@ static void write_data(uint8_t data) { #endif /* _TDISP_LLD_BOARD_H */
/** @} */
+
diff --git a/drivers/tdisp/HD44780/tdisp_lld_board_st_stm32f4_discovery.h b/drivers/tdisp/HD44780/tdisp_lld_board_st_stm32f4_discovery.h new file mode 100644 index 00000000..311d8d9f --- /dev/null +++ b/drivers/tdisp/HD44780/tdisp_lld_board_st_stm32f4_discovery.h @@ -0,0 +1,72 @@ +/*
+ 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_unknown.h
+ * @brief TDISP driver subsystem board interface for the HD44780 display
+ *
+ * @addtogroup TDISP
+ * @{
+ */
+
+#ifndef _TDISP_LLD_BOARD_H
+#define _TDISP_LLD_BOARD_H
+
+/* Configure these to match the hardware connections on your board */
+#define BUS_4BITS FALSE
+#define PORT_DATA GPIOG
+#define PORT_CTRL GPIOE
+#define PIN_RS 0
+#define PIN_RW 1
+#define PIN_EN 2
+
+static void init_board(void) {
+ palSetGroupMode(PORT_CTRL, PAL_WHOLE_PORT, 0, PAL_MODE_OUTPUT_PUSHPULL);
+ palSetGroupMode(PORT_DATA, PAL_WHOLE_PORT, 0, PAL_MODE_OUTPUT_PUSHPULL);
+ palClearPad(PORT_CTRL, PIN_RW);
+}
+
+static void writeToLCD(uint8_t data) {
+ palWritePort(PORT_DATA, data);
+ palSetPad(PORT_CTRL, PIN_EN);
+ chThdSleepMicroseconds(1);
+ palClearPad(PORT_CTRL, PIN_EN);
+ chThdSleepMicroseconds(5);
+}
+
+static void write_cmd(uint8_t data) {
+ palClearPad(PORT_CTRL, PIN_RS);
+ #if BUS_4BITS
+ writeToLCD(data>>4);
+ #endif
+ writeToLCD(data);
+}
+
+static void write_data(uint8_t data) {
+ palSetPad(PORT_CTRL, PIN_RS);
+ #if BUS_4BITS
+ writeToLCD(data>>4);
+ #endif
+ writeToLCD(data);
+}
+
+#endif /* _TDISP_LLD_BOARD_H */
+/** @} */
+
|