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Added method to copy progmem data to SPIFFS

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This commit is contained in:
Daniel Eichhorn
2017-05-18 07:50:14 +02:00
parent 679036d0d0
commit aa8481feeb
2 changed files with 11 additions and 0 deletions
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10
GfxUi.cpp
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@@ -216,3 +216,13 @@ uint32_t GfxUi::read32(File &f) {
((uint8_t *)&result)[3] = f.read(); // MSB ((uint8_t *)&result)[3] = f.read(); // MSB
return result; return result;
} }
void GfxUi::copyProgmemToFile(const uint8_t *data, unsigned int image_len, String filename) {
File f = SPIFFS.open(filename, "w+");
for (int i = 0; i < image_len; i++) {
uint8_t c = pgm_read_byte(data++);
f.write(c);
}
f.close();
}

1
GfxUi.h
View File

@@ -41,6 +41,7 @@ class GfxUi {
void setTextColor(uint16_t c, uint16_t bg); void setTextColor(uint16_t c, uint16_t bg);
void drawBmp(String filename, uint8_t x, uint16_t y); void drawBmp(String filename, uint8_t x, uint16_t y);
void drawProgressBar(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint8_t percentage, uint16_t frameColor, uint16_t barColor); void drawProgressBar(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint8_t percentage, uint16_t frameColor, uint16_t barColor);
void copyProgmemToFile(const uint8_t *data, unsigned int image_len, String filename);
private: private:
Adafruit_ILI9341 * _tft; Adafruit_ILI9341 * _tft;