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| author | Tectu <joel@unormal.org> | 2012-06-24 17:37:33 +0200 |
|---|---|---|
| committer | Tectu <joel@unormal.org> | 2012-06-24 17:37:33 +0200 |
| commit | ed70b3acc48e16f9c7640ef95152ea6037901e8e (patch) | |
| tree | 042ae2d6b781e13c10597a0a64aae7adff5fa895 | |
| parent | 73e0021db2fc2a92d4d79129ba5af058e7c85c68 (diff) | |
| download | uGFX-ed70b3acc48e16f9c7640ef95152ea6037901e8e.tar.gz uGFX-ed70b3acc48e16f9c7640ef95152ea6037901e8e.tar.bz2 uGFX-ed70b3acc48e16f9c7640ef95152ea6037901e8e.zip | |
ssd1289 GPIO interface abstraction
| -rw-r--r-- | drivers/lcd/ssd1289_lld.c | 6 | ||||
| -rw-r--r-- | readme | 16 |
2 files changed, 16 insertions, 6 deletions
diff --git a/drivers/lcd/ssd1289_lld.c b/drivers/lcd/ssd1289_lld.c index f9fa0cfd..d1d34310 100644 --- a/drivers/lcd/ssd1289_lld.c +++ b/drivers/lcd/ssd1289_lld.c @@ -9,8 +9,10 @@ extern uint16_t lcd_width, lcd_height; #ifdef LCD_USE_GPIO static __inline lld_lcdWriteGPIO(uint16_t d) { - LCD_DATA_PORT_1->BSRR = (((~d >> 8) << 16) | (d >> 8) << LCD_DATA_PORT_1_BASE); - LCD_DATA_PORT_2->BSRR = (((~d & 0xFF) << 16) | (d & 0xFF) << LCD_DATA_PORT_2_BASE); + LCD_DATA_PORT_1->BSRR = ((((~d >> 12 & 0xF) << 16) | (d >> 12 & 0xF)) << LCD_DATA_PORT_1_BASE); + LCD_DATA_PORT_2->BSRR = ((((~d >> 8 & 0xF) << 16) | (d >> 8 & 0xF)) << LCD_DATA_PORT_2_BASE); + LCD_DATA_PORT_3->BSRR = ((((~d >> 4 & 0xF) << 16) | (d >> 4 & 0xF)) << LCD_DATA_PORT_3_BASE); + LCD_DATA_PORT_4->BSRR = ((((~d >> 0 & 0xF) << 16) | (d >> 0 & 0xF)) << LCD_DATA_PORT_4_BASE); } static __inline void lld_lcdWriteIndex(uint16_t index) { @@ -11,16 +11,24 @@ add the following to your board.h file, matching to your pinconfig: #define TP_CS 6 #define LCD_DATA_PORT_1 GPIOB - #define LCD_DATA_PORT_2 GPIOC - #define LCD_DATA_PORT_1_BASE 8 - #define LCD_DATA_PORT_2_BASE 0 + #define LCD_DATA_PORT_2 GPIOB + #define LCD_DATA_PORT_3 GPIOC + #define LCD_DATA_PORT_4 GPIOE + #define LCD_DATA_PORT_1_BASE 12 + #define LCD_DATA_PORT_2_BASE 8 + #define LCD_DATA_PORT_3_BASE 4 + #define LCD_DATA_PORT_4_BASE 0 #define LCD_CMD_PORT GPIOD #define LCD_CS 12 #define LCD_RS 13 #define LCD_WR 14 #define LCD_RD 15 -in this example, we use GPIOC[0:7] for DB[0:7] and GPIOB[8:15] for DB[8:15] +in this example we use the following pin config for 16-bit GPIO interfacing: + + GPIOB 8-15 + GPIOC 4-7 + GPIOE 0-3 ### Edit Makefile: include lcd.mk: |