diff options
Diffstat (limited to 'drivers/gdisp/ST7565/gdisp_lld_ST7565.c')
| -rw-r--r-- | drivers/gdisp/ST7565/gdisp_lld_ST7565.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/gdisp/ST7565/gdisp_lld_ST7565.c b/drivers/gdisp/ST7565/gdisp_lld_ST7565.c index 769f2eaf..5b0e9f27 100644 --- a/drivers/gdisp/ST7565/gdisp_lld_ST7565.c +++ b/drivers/gdisp/ST7565/gdisp_lld_ST7565.c @@ -42,6 +42,22 @@ #include "st7565.h" /*===========================================================================*/ +/* Driver config defaults for backward compatibility. */ +/*===========================================================================*/ +#ifndef ST7565_LCD_BIAS + #define ST7565_LCD_BIAS ST7565_LCD_BIAS_7 +#endif +#ifndef ST7565_ADC + #define ST7565_ADC ST7565_ADC_NORMAL +#endif +#ifndef ST7565_COM_SCAN + #define ST7565_COM_SCAN ST7565_COM_SCAN_INC +#endif +#ifndef ST7565_PAGE_ORDER + #define ST7565_PAGE_ORDER 0,1,2,3,4,5,6,7 +#endif + +/*===========================================================================*/ /* Driver local functions. */ /*===========================================================================*/ @@ -83,9 +99,10 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) { acquire_bus(g); - write_cmd(g, ST7565_LCD_BIAS_7); - write_cmd(g, ST7565_ADC_NORMAL); - write_cmd(g, ST7565_COM_SCAN_INC); + write_cmd(g, ST7565_LCD_BIAS); + write_cmd(g, ST7565_ADC); + write_cmd(g, ST7565_COM_SCAN); + write_cmd(g, ST7565_START_LINE | 0); write_cmd2(g, ST7565_CONTRAST, GDISP_INITIAL_CONTRAST*64/101); @@ -134,8 +151,9 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) { return; acquire_bus(g); + uint8_t pagemap[8]={ST7565_PAGE_ORDER}; for (p = 0; p < 8; p++) { - write_cmd(g, ST7565_PAGE | p); + write_cmd(g, ST7565_PAGE | pagemap[p]); write_cmd(g, ST7565_COLUMN_MSB | 0); write_cmd(g, ST7565_COLUMN_LSB | 0); write_cmd(g, ST7565_RMW); |