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ClearScreen update - clean from 0,0 position

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Matiasus 2023-11-25 21:35:40 +01:00
parent 8ca673c91c
commit f18ec22fd1
1 changed files with 36 additions and 0 deletions
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36
lib/ssd1306.c
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@ -317,6 +317,42 @@ uint8_t SSD1306_ClearScreen (void)
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
// COLUMN
// -------------------------------------------------------------------------------------
status = SSD1306_Send_Command (SSD1306_SET_COLUMN_ADDR); // 0x21
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
status = SSD1306_Send_Command (0); // start COLUMN
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
status = SSD1306_Send_Command (END_COLUMN_ADDR); // end COLUMN
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
_indexCol = 0; // update column index
// PAGE
// -------------------------------------------------------------------------------------
status = SSD1306_Send_Command (SSD1306_SET_PAGE_ADDR); // 0x22
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
status = SSD1306_Send_Command (0); // start PAGE
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
status = SSD1306_Send_Command (END_PAGE_ADDR); // end PAGE
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
_indexPage = 0; // update column index
// TWI control byte data stream
// -------------------------------------------------------------------------------------
status = TWI_MT_Send_Data (SSD1306_DATA_STREAM); // send data 0x40
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
// TWI control byte data stream
// -------------------------------------------------------------------------------------
status = TWI_MT_Send_Data (SSD1306_DATA_STREAM); // send data 0x40