ledmatrix.cpp small code sanitization
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@ -13,6 +13,6 @@ void refreshTheMatrixDisplay(bool nextPage = false);
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void DrawNumber(String strNum, uint8_t iDotPos = 0);
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uint8_t GetCharFromFont(char cChar);
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uint8_t GetCharWidth(char cChar);
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void ScrollLeft(uint8_t *buf, uint16_t cols, uint16_t rows);
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void ScrollLeft(uint8_t *buf, const uint16_t cols, const uint16_t rows);
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#endif
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@ -204,13 +204,14 @@ uint8_t GetCharWidth(char cChar) {
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return CharDescriptor.width;
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}
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void ScrollLeft(uint8_t *buf, uint16_t cols, uint16_t rows) {
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void ScrollLeft(uint8_t *buf, const uint16_t cols, const uint16_t rows) {
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uint32_t i, k, idx;
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const uint32_t x = cols / 8;
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for (k = 0; k < rows; k++) {
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// scroll a line with x bytes one dot to the left
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for (i = 0; i < cols / 8 - 1; ++i) {
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idx = i + k * cols / 8;
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for (i = 0; i < x - 1; ++i) {
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idx = i + k * x;
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buf[idx] = (buf[idx] << 1) | ((buf[idx + 1] >> 7) & 1);
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}
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buf[idx + 1] <<= 1;
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