| 36 | //////////////////////////////////////////// |
| 37 | |
| 38 | IRAM_ATTR size_t Pixel::pixelEncodeCallback(const void *colors, size_t symbolsTotal, |
| 39 | size_t symbolsWritten, size_t symbolsFree, |
| 40 | rmt_symbol_word_t *symbols, bool *done, void *arg) { |
| 41 | |
| 42 | if(symbolsWritten==symbolsTotal){ // all symbols have been written |
| 43 | *done=true; |
| 44 | return(0); |
| 45 | } else { |
| 46 | *done=false; |
| 47 | } |
| 48 | |
| 49 | callbackArgs_t *callbackArgs=(callbackArgs_t *)arg; |
| 50 | |
| 51 | if(symbolsFree < callbackArgs->pixel->symbolsPerPixel) // not enough space to write an entire pixel |
| 52 | return(0); |
| 53 | |
| 54 | Color *color = (Color *)colors + (callbackArgs->multiColor ? (symbolsWritten / callbackArgs->pixel->symbolsPerPixel) : 0); |
| 55 | |
| 56 | for(auto i=0; i<callbackArgs->pixel->bytesPerPixel; i++){ |
| 57 | uint8_t colorByte = color->col[callbackArgs->pixel->map[i]]; |
| 58 | for(auto j = 7; j >= 0; j--) |
| 59 | *symbols++ = (colorByte & (1 << j)) ? callbackArgs->pixel->bit1 : callbackArgs->pixel->bit0; |
| 60 | } |
| 61 | |
| 62 | return(callbackArgs->pixel->symbolsPerPixel); |
| 63 | }; |
| 64 | |
| 65 | /////////////////// |
| 66 |
nothing calls this directly
no outgoing calls
no test coverage detected