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Expand drawChar for larger offset

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This commit is contained in:
Ben V. Brown
2021-03-16 20:34:47 +11:00
parent 41f0a1f347
commit e6eb3e34bc
2 changed files with 6 additions and 5 deletions
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9
source/Core/Drivers/OLED.cpp
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@@ -117,15 +117,16 @@ void OLED::setFramebuffer(uint8_t *buffer) {
* UTF font handling is done using the two input chars.
* Precursor is the command char that is used to select the table.
*/
void OLED::drawChar(char c) {
if (c == '\x01' && cursor_y == 0) { // 0x01 is used as new line char
void OLED::drawChar(const uint16_t charCode) {
if (charCode == '\x01' && cursor_y == 0) { // 0x01 is used as new line char
cursor_x = 0;
cursor_y = 8;
return;
} else if (c == 0) {
} else if (charCode <=0x01) {
return;
}
uint16_t index = static_cast<unsigned char>(c) - 2; // First index is \x02
// First index is \x02
uint16_t index = charCode-2;
uint8_t *charPointer;
charPointer = ((uint8_t *)currentFont) + ((fontWidth * (fontHeight / 8)) * index);
drawArea(cursor_x, cursor_y, fontWidth, fontHeight, charPointer);