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Small code modification

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Marián 2022-12-06 10:07:01 +01:00 committed by GitHub
parent 8580ddc78c
commit a9e421d5ff
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 21 deletions
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30
lib/ssd1306.c
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@ -357,38 +357,30 @@ uint8_t SSD1306_SetPosition (uint8_t x, uint8_t y)
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
// start COLUMN
status = SSD1306_Send_Command (x);
status = SSD1306_Send_Command (x); // start COLUMN
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
// end COLUMN
status = SSD1306_Send_Command (END_COLUMN_ADDR); // 127
status = SSD1306_Send_Command (END_COLUMN_ADDR); // end COLUMN
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
// update column index
_indexCol = x;
_indexCol = x; // update column index
// PAGE
// -------------------------------------------------------------------------------------
status = SSD1306_Send_Command (SSD1306_SET_PAGE_ADDR); // 0x22
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
// start PAGE
status = SSD1306_Send_Command (y);
status = SSD1306_Send_Command (y); // start PAGE
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
// end PAGE
status = SSD1306_Send_Command (END_PAGE_ADDR); // 7 for 128x64
status = SSD1306_Send_Command (END_PAGE_ADDR); // end PAGE
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
// update column index
_indexPage = y;
_indexPage = y; // update column index
// TWI stop
// -------------------------------------------------------------------------------------
TWI_Stop ();
@ -477,7 +469,6 @@ uint8_t SSD1306_DrawChar (char ch)
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
_indexCol = _indexCol + CHARS_COLS_LENGTH + 1; // update global col
// TWI stop
@ -547,7 +538,6 @@ uint8_t SSD1306_DrawPixel (uint8_t x, uint8_t y)
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
// PAGE
// -------------------------------------------------------------------------------------
status = SSD1306_Send_Command (SSD1306_SET_PAGE_ADDR); // 0x22
@ -564,20 +554,18 @@ uint8_t SSD1306_DrawPixel (uint8_t x, uint8_t y)
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
// TWI control byte data stream
// -------------------------------------------------------------------------------------
status = TWI_MT_Send_Data (SSD1306_DATA); // send data 0xC0
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
// send clear byte to memory lcd
// PIXEL
// -------------------------------------------------------------------------------------
status = TWI_MT_Send_Data (pixel); // send pixel
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
// TWI stop
// -------------------------------------------------------------------------------------
TWI_Stop ();
@ -667,7 +655,7 @@ uint8_t SSD1306_DrawLineHorz (uint8_t y, uint8_t x1, uint8_t x2)
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
// send pixels
// PIXELS
// -------------------------------------------------------------------------------------
i = 0;
j = 0;
@ -677,7 +665,7 @@ uint8_t SSD1306_DrawLineHorz (uint8_t y, uint8_t x1, uint8_t x2)
if (SSD1306_SUCCESS != status) { // check status
return status; // error
}
j++;
j++; // next column
}
j = 0; // null x counter
i++; // next page