diff options
Diffstat (limited to 'drivers/gdisp/SSD1306/board_SSD1306_i2c.h')
| -rw-r--r-- | drivers/gdisp/SSD1306/board_SSD1306_i2c.h | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/gdisp/SSD1306/board_SSD1306_i2c.h b/drivers/gdisp/SSD1306/board_SSD1306_i2c.h index 69c054f5..449d47ba 100644 --- a/drivers/gdisp/SSD1306/board_SSD1306_i2c.h +++ b/drivers/gdisp/SSD1306/board_SSD1306_i2c.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. @@ -116,14 +117,10 @@ 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 - i2cStart(&I2CD1, &i2cconfig); - i2cMasterTransmitTimeout(&I2CD1, SSD1306_I2C_ADDRESS, command, 1, NULL, 0, MS2ST(10)); - i2cMasterTransmitTimeout(&I2CD1, SSD1306_I2C_ADDRESS, command, data, NULL, length, MS2ST(10)); + i2cMasterTransmitTimeout(&I2CD1, SSD1306_I2C_ADDRESS, data, length, NULL, 0, MS2ST(10)); i2cStop(&I2CD1); } |