--- /dev/null
+#include <Adafruit_NeoPixel.h>
+#include <inttypes.h>
+
+#define NUM_PIXELS 16
+
+#define TOP_ROW 4
+#define MID_ROW 3
+#define BOT_ROW 2
+
+#define PPM_HEADER_LENGHT 58
+#define IMAGE_FILE_LENGHT 202
+
+/*
+typedef enum {RED, GREEN, BLUE, YELLOW, MAGENTA, CYAN} simple_color_t;
+int display_enum(simple_color_t buff[]);
+*/
+
+int render_image(uint8_t buff[3][NUM_PIXELS][3], const uint8_t image[]);
+int display_rgb(uint8_t buff[3][NUM_PIXELS][3]);
+
+const uint8_t image_data_0[IMAGE_FILE_LENGHT] =
+{
+ 0x50, 0x36, 0x0a, 0x23, 0x20, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x64, 0x20, 0x62, 0x79, 0x20,
+ 0x47, 0x49, 0x4d, 0x50, 0x20, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x32, 0x2e, 0x31,
+ 0x30, 0x2e, 0x32, 0x32, 0x20, 0x50, 0x4e, 0x4d, 0x20, 0x70, 0x6c, 0x75, 0x67, 0x2d, 0x69, 0x6e,
+ 0x0a, 0x31, 0x36, 0x20, 0x33, 0x0a, 0x32, 0x35, 0x35, 0x0a, 0xb9, 0x78, 0x90, 0xbc, 0x7b, 0x93,
+ 0xbe, 0x7e, 0x98, 0xbe, 0x7e, 0x98, 0xbc, 0x7d, 0x98, 0xba, 0x7b, 0x96, 0xb8, 0x79, 0x96, 0xb4,
+ 0x75, 0x92, 0xb1, 0x72, 0x8f, 0xaf, 0x70, 0x8d, 0xab, 0x6c, 0x89, 0xa7, 0x68, 0x85, 0xa2, 0x61,
+ 0x7f, 0x9c, 0x5b, 0x79, 0x9a, 0x57, 0x76, 0x9b, 0x56, 0x75, 0xb8, 0x77, 0x8f, 0xbb, 0x7a, 0x92,
+ 0xbc, 0x7c, 0x96, 0xbc, 0x7c, 0x96, 0xbb, 0x7b, 0x96, 0xb9, 0x79, 0x94, 0xb5, 0x76, 0x91, 0xb2,
+ 0x73, 0x8e, 0xae, 0x6f, 0x8c, 0xac, 0x6d, 0x8a, 0xa4, 0x65, 0x82, 0xa0, 0x61, 0x7e, 0x9b, 0x5a,
+ 0x78, 0x96, 0x55, 0x73, 0x94, 0x51, 0x70, 0x97, 0x52, 0x71, 0xb9, 0x75, 0x8c, 0xba, 0x79, 0x91,
+ 0xbd, 0x7c, 0x94, 0xbb, 0x7b, 0x95, 0xba, 0x7a, 0x95, 0xb8, 0x78, 0x93, 0xb5, 0x75, 0x90, 0xb0,
+ 0x71, 0x8c, 0xad, 0x6e, 0x8b, 0xaa, 0x6b, 0x88, 0xa3, 0x64, 0x81, 0xa0, 0x5f, 0x7d, 0x9b, 0x5a,
+ 0x78, 0x97, 0x54, 0x73, 0x95, 0x52, 0x71, 0x99, 0x53, 0x75
+};
+
+const uint8_t image_data_1[IMAGE_FILE_LENGHT] =
+{
+ 0x50, 0x36, 0x0a, 0x23, 0x20, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x64, 0x20, 0x62, 0x79, 0x20,
+ 0x47, 0x49, 0x4d, 0x50, 0x20, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x32, 0x2e, 0x31,
+ 0x30, 0x2e, 0x32, 0x32, 0x20, 0x50, 0x4e, 0x4d, 0x20, 0x70, 0x6c, 0x75, 0x67, 0x2d, 0x69, 0x6e,
+ 0x0a, 0x31, 0x36, 0x20, 0x33, 0x0a, 0x32, 0x35, 0x35, 0x0a, 0xb9, 0xa9, 0xd6, 0xb8, 0xa7, 0xd4,
+ 0xba, 0xaa, 0xd7, 0xbd, 0xac, 0xd9, 0xbc, 0xab, 0xd8, 0xbc, 0xab, 0xd7, 0xba, 0xa9, 0xd5, 0xb5,
+ 0xa4, 0xd0, 0xaf, 0x9e, 0xca, 0x98, 0x89, 0xb2, 0x8d, 0x7e, 0xa5, 0x7c, 0x6d, 0x94, 0x70, 0x62,
+ 0x86, 0x6b, 0x5d, 0x80, 0x6c, 0x5e, 0x81, 0x6e, 0x60, 0x81, 0xb9, 0xac, 0xd8, 0xc2, 0xb2, 0xdf,
+ 0xbe, 0xb1, 0xdd, 0xbd, 0xad, 0xda, 0xbb, 0xae, 0xda, 0xba, 0xad, 0xd9, 0xb7, 0xaa, 0xd6, 0xb2,
+ 0xa5, 0xd1, 0xae, 0xa1, 0xcc, 0x9d, 0x8e, 0xb7, 0x8f, 0x80, 0xa7, 0x80, 0x72, 0x96, 0x77, 0x69,
+ 0x8d, 0x72, 0x64, 0x87, 0x6e, 0x60, 0x83, 0x6c, 0x5e, 0x7f, 0xbe, 0xb1, 0xdd, 0xc4, 0xb7, 0xe3,
+ 0xc2, 0xb5, 0xe1, 0xc1, 0xb4, 0xe0, 0xc0, 0xb3, 0xdf, 0xbe, 0xb3, 0xde, 0xbb, 0xb0, 0xdb, 0xb7,
+ 0xac, 0xd7, 0xb3, 0xa8, 0xd2, 0xa0, 0x91, 0xba, 0x93, 0x84, 0xab, 0x83, 0x75, 0x99, 0x78, 0x6a,
+ 0x8e, 0x72, 0x64, 0x87, 0x6d, 0x5f, 0x82, 0x6b, 0x5d, 0x7e
+};
+
+const uint8_t image_data_2[] =
+{
+ 0x50, 0x36, 0x0a, 0x23, 0x20, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x64, 0x20, 0x62, 0x79, 0x20,
+ 0x47, 0x49, 0x4d, 0x50, 0x20, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x32, 0x2e, 0x31,
+ 0x30, 0x2e, 0x32, 0x32, 0x20, 0x50, 0x4e, 0x4d, 0x20, 0x70, 0x6c, 0x75, 0x67, 0x2d, 0x69, 0x6e,
+ 0x0a, 0x31, 0x36, 0x20, 0x33, 0x0a, 0x32, 0x35, 0x35, 0x0a, 0x1a, 0x0a, 0xfe, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x1a, 0x0a, 0xfe, 0x1a, 0x0a, 0xfe, 0x1a, 0x0a, 0xfe, 0x00, 0x00, 0x00, 0x1a,
+ 0x0a, 0xfe, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x1f, 0xee, 0x1d, 0x00, 0x00,
+ 0x00, 0x1f, 0xee, 0x1d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1a, 0x0a, 0xfe, 0x04, 0x04, 0x04,
+ 0x00, 0x00, 0x00, 0x1a, 0x0a, 0xfe, 0x00, 0x00, 0x00, 0x1a, 0x0a, 0xfe, 0x00, 0x00, 0x00, 0x1a,
+ 0x0a, 0xfe, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0xdd, 0xfa, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xdd, 0xfa, 0x03, 0x00, 0x00, 0x00, 0x1a, 0x0a, 0xfe, 0x1a, 0x0a, 0xfe,
+ 0x00, 0x00, 0x00, 0x1a, 0x0a, 0xfe, 0x1a, 0x0a, 0xfe, 0x1a, 0x0a, 0xfe, 0x00, 0x00, 0x00, 0x1a,
+ 0x0a, 0xfe, 0x1a, 0x0a, 0xfe, 0x00, 0x00, 0x00, 0xdd, 0xfa, 0x03, 0xdd, 0xfa, 0x03, 0xdd, 0xfa,
+ 0x03, 0xdd, 0xfa, 0x03, 0xdd, 0xfa, 0x03, 0x00, 0x00, 0x00
+};
+
+Adafruit_NeoPixel top_row(NUM_PIXELS, TOP_ROW, NEO_GRB);
+Adafruit_NeoPixel mid_row(NUM_PIXELS, MID_ROW, NEO_GRB);
+Adafruit_NeoPixel bot_row(NUM_PIXELS, BOT_ROW, NEO_GRB);
+
+void setup()
+{
+ pinMode(TOP_ROW, OUTPUT);
+ pinMode(MID_ROW, OUTPUT);
+ pinMode(BOT_ROW, OUTPUT);
+
+ // LED strip initialization
+ top_row.begin();
+ mid_row.begin();
+ bot_row.begin();
+}
+
+void loop()
+{
+ uint8_t frame_buffer[3][NUM_PIXELS][3] = {{{0}}};
+
+ render_image(frame_buffer, image_data_2);
+ display_rgb(frame_buffer);
+}
+
+int render_image(uint8_t buff[3][NUM_PIXELS][3], const uint8_t image[])
+{
+ if (buff == NULL || image == NULL)
+ return -1;
+
+ for (uint8_t row = 0; row < 3; row++)
+ {
+ for (uint8_t col = 0; col < NUM_PIXELS; col++)
+ {
+ for (uint8_t i = 0; i < 3; i++)
+ {
+ buff[row][col][i] = image[PPM_HEADER_LENGHT + row * NUM_PIXELS * 3 + col * 3 + i];
+ }
+ }
+ }
+
+ return 0;
+}
+
+int display_rgb(uint8_t buff[3][NUM_PIXELS][3])
+{
+ if (buff == NULL)
+ return -1;
+
+ for (uint8_t col; col < NUM_PIXELS; col++)
+ {
+ top_row.setPixelColor(col, top_row.Color(buff[0][col][0], buff[0][col][1], buff[0][col][2]));
+ mid_row.setPixelColor(col, mid_row.Color(buff[1][col][0], buff[1][col][1], buff[1][col][2]));
+ bot_row.setPixelColor(col, bot_row.Color(buff[2][col][0], buff[2][col][1], buff[2][col][2]));
+ }
+
+ top_row.show();
+ mid_row.show();
+ bot_row.show();
+
+ return 0;
+}
--- /dev/null
+0x50, 0x36, 0x0a, 0x23, 0x20, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x64, 0x20, 0x62, 0x79, 0x20,
+0x47, 0x49, 0x4d, 0x50, 0x20, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x32, 0x2e, 0x31,
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+0xba, 0xaa, 0xd7, 0xbd, 0xac, 0xd9, 0xbc, 0xab, 0xd8, 0xbc, 0xab, 0xd7, 0xba, 0xa9, 0xd5, 0xb5,
+0xa4, 0xd0, 0xaf, 0x9e, 0xca, 0x98, 0x89, 0xb2, 0x8d, 0x7e, 0xa5, 0x7c, 0x6d, 0x94, 0x70, 0x62,
+0x86, 0x6b, 0x5d, 0x80, 0x6c, 0x5e, 0x81, 0x6e, 0x60, 0x81, 0xb9, 0xac, 0xd8, 0xc2, 0xb2, 0xdf,
+0xbe, 0xb1, 0xdd, 0xbd, 0xad, 0xda, 0xbb, 0xae, 0xda, 0xba, 0xad, 0xd9, 0xb7, 0xaa, 0xd6, 0xb2,
+0xa5, 0xd1, 0xae, 0xa1, 0xcc, 0x9d, 0x8e, 0xb7, 0x8f, 0x80, 0xa7, 0x80, 0x72, 0x96, 0x77, 0x69,
+0x8d, 0x72, 0x64, 0x87, 0x6e, 0x60, 0x83, 0x6c, 0x5e, 0x7f, 0xbe, 0xb1, 0xdd, 0xc4, 0xb7, 0xe3,
+0xc2, 0xb5, 0xe1, 0xc1, 0xb4, 0xe0, 0xc0, 0xb3, 0xdf, 0xbe, 0xb3, 0xde, 0xbb, 0xb0, 0xdb, 0xb7,
+0xac, 0xd7, 0xb3, 0xa8, 0xd2, 0xa0, 0x91, 0xba, 0x93, 0x84, 0xab, 0x83, 0x75, 0x99, 0x78, 0x6a,
+0x8e, 0x72, 0x64, 0x87, 0x6d, 0x5f, 0x82, 0x6b, 0x5d, 0x7e
\ No newline at end of file