| 94 | } |
| 95 | |
| 96 | void xs_DotStar(xsMachine *the) |
| 97 | { |
| 98 | int format; |
| 99 | spiDisplay sd; |
| 100 | int csPin; |
| 101 | |
| 102 | xsmcVars(1); |
| 103 | if (xsmcHas(xsArg(0), xsID_pixelFormat)) { |
| 104 | xsmcGet(xsVar(0), xsArg(0), xsID_pixelFormat); |
| 105 | format = xsmcToInteger(xsVar(0)); |
| 106 | } |
| 107 | else |
| 108 | format = kCommodettoBitmapFormat; |
| 109 | |
| 110 | if (kCommodettoBitmapRGB565LE != format) |
| 111 | xsUnknownError("bad format"); |
| 112 | |
| 113 | sd = c_calloc(1, sizeof(spiDisplayRecord)); |
| 114 | if (!sd) |
| 115 | xsUnknownError("no memory"); |
| 116 | |
| 117 | xsmcSetHostData(xsThis, sd); |
| 118 | |
| 119 | modSPIConfig(sd->spiConfig, MODDEF_DOTSTAR_HZ, MODDEF_DOTSTAR_SPI_PORT, |
| 120 | NULL, -1, dotstarChipSelect); |
| 121 | modSPIInit(&sd->spiConfig); |
| 122 | |
| 123 | xsmcGet(xsVar(0), xsArg(0), xsID_width); |
| 124 | sd->width = (uint16_t)xsmcToInteger(xsVar(0)); |
| 125 | xsmcGet(xsVar(0), xsArg(0), xsID_height); |
| 126 | sd->height = (uint16_t)xsmcToInteger(xsVar(0)); |
| 127 | |
| 128 | sd->format = (uint8_t)format; |
| 129 | |
| 130 | sd->dispatch = (PixelsOutDispatch)&gPixelsOutDispatch_16LE; |
| 131 | |
| 132 | setBrightness(sd, MODDEF_DOTSTAR_BRIGHTNESS); |
| 133 | } |
| 134 | |
| 135 | void xs_DotStar_begin(xsMachine *the) |
| 136 | { |
nothing calls this directly
no test coverage detected