diff options
Diffstat (limited to 'drivers/gdisp/SSD1306/board_SSD1306_spi.h')
| -rw-r--r-- | drivers/gdisp/SSD1306/board_SSD1306_spi.h | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gdisp/SSD1306/board_SSD1306_spi.h b/drivers/gdisp/SSD1306/board_SSD1306_spi.h index 476c51bf..5b481630 100644 --- a/drivers/gdisp/SSD1306/board_SSD1306_spi.h +++ b/drivers/gdisp/SSD1306/board_SSD1306_spi.h @@ -13,7 +13,8 @@ #ifndef _GDISP_LLD_BOARD_H #define _GDISP_LLD_BOARD_H -#define GDISP_BUS_MAX_TRANSFER_SIZE 64 +// The command byte to put on the front of each page line +#define SSD1306_PAGE_PREFIX 0x40 // Co = 0, D/C = 1 // For a multiple display configuration we would put all this in a structure and then // set g->board to that structure. @@ -49,10 +50,12 @@ static const SPIConfig spi1config = { #endif static inline void init_board(GDisplay *g) { + unsigned i; // As we are not using multiple displays we set g->board to NULL as we don't use it. g->board = 0; + switch(g->controllerdisplay) { case 0: // Set up for Display 0 // RESET pin. @@ -115,14 +118,10 @@ static inline void write_cmd(GDisplay *g, uint8_t cmd) { } static inline void write_data(GDisplay *g, uint8_t* data, uint16_t length) { - uint8_t command[1]; (void) g; - command[0] = 0x40; // Co = 0, D/C = 1 - spiStart(&SPID1, &spi1config); spiSelect(&SPID1); - spiStartSend(&SPID1, 1, command); spiStartSend(&SPID1, length, data); spiUnselect(&SPID1); spiStop(&SPID1); |