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fix hardware pin for supporting 64 or 32 lines

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armlabs 2020-02-24 12:32:54 +08:00 committed by GitHub
parent e672704de6
commit 2543b87ade
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1 changed files with 4 additions and 1 deletions
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ssd1306.c
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@ -291,7 +291,10 @@ uint8_t ssd1306_oled_default_config(uint8_t oled_lines, uint8_t oled_columns)
data_buf[i++] = SSD1306_COMM_HORIZ_NORM; //SEGREMAP Mirror screen horizontally (A0)
data_buf[i++] = SSD1306_COMM_SCAN_NORM; //COMSCANDEC Rotate screen vertically (C0)
data_buf[i++] = SSD1306_COMM_COM_PIN; //HARDWARE PIN
data_buf[i++] = 0x02; //normal
if (oled_lines == 32)
data_buf[i++] = 0x02; // for 32 lines
else
data_buf[i++] = 0x12; // for 64 lines or 48 lines
data_buf[i++] = SSD1306_COMM_CONTRAST; //SETCONTRAST
data_buf[i++] = 0x7f; // default contract value
data_buf[i++] = SSD1306_COMM_PRECHARGE; //SETPRECHARGE