Hello, world! on a Pimoroni pico scroll, using show_bitmap_1d() method (includes full character set definition)

hello_world.py

# generate 5x7 font bitmap as 5 bytes / char
#
# (C) Graeme Winter, 2021
#
# Encoding: each column of 7 bits is encoded top down with LSB as top ->
# horizontal line across the top is 0x01 0x01 0x01 0x01 0x01, vertical line
# on left side of box only would be 0x7f 0x00 0x00 0x00 0x00.

__bitmap = {
    0x0: (0x0, 0x0, 0x0, 0x0, 0x0),
    0x1: (0x0, 0x0, 0x0, 0x0, 0x0),
    0x2: (0x0, 0x0, 0x0, 0x0, 0x0),
    0x3: (0x0, 0x0, 0x0, 0x0, 0x0),
    0x4: (0x0, 0x0, 0x0, 0x0, 0x0),
    0x5: (0x0, 0x0, 0x0, 0x0, 0x0),
    0x6: (0x0, 0x0, 0x0, 0x0, 0x0),
    0x7: (0x0, 0x0, 0x0, 0x0, 0x0),
    0x8: (0x0, 0x0, 0x0, 0x0, 0x0),
    0x9: (0x0, 0x0, 0x0, 0x0, 0x0),
    0xA: (0x0, 0x0, 0x0, 0x0, 0x0),
    0xB: (0x0, 0x0, 0x0, 0x0, 0x0),
    0xC: (0x0, 0x0, 0x0, 0x0, 0x0),
    0xD: (0x0, 0x0, 0x0, 0x0, 0x0),
    0xE: (0x0, 0x0, 0x0, 0x0, 0x0),
    0xF: (0x0, 0x0, 0x0, 0x0, 0x0),
    0x10: (0x7F, 0x0, 0x0, 0x0, 0x0),
    0x11: (0x7F, 0x7F, 0x0, 0x0, 0x0),
    0x12: (0x7F, 0x7F, 0x7F, 0x0, 0x0),
    0x13: (0x7F, 0x7F, 0x7F, 0x7F, 0x0),
    0x14: (0x7F, 0x7F, 0x7F, 0x7F, 0x7F),
    0x15: (0x0, 0x7F, 0x7F, 0x7F, 0x7F),
    0x16: (0x0, 0x0, 0x7F, 0x7F, 0x7F),
    0x17: (0x0, 0x0, 0x0, 0x7F, 0x7F),
    0x18: (0x0, 0x0, 0x0, 0x0, 0x7F),
    0x19: (0x3, 0x7, 0x7E, 0x20, 0x1E),
    0x1A: (0x60, 0x60, 0x6, 0x9, 0x9),
    0x1B: (0x60, 0x6F, 0xA, 0xA, 0x8),
    0x1C: (0x10, 0x18, 0x1C, 0x18, 0x10),
    0x1D: (0x0, 0x3E, 0x1C, 0x8, 0x0),
    0x1E: (0x0, 0x8, 0x1C, 0x3E, 0x0),
    0x1F: (0x4, 0xC, 0x1C, 0xC, 0x4),
    0x20: (0x0, 0x0, 0x0, 0x0, 0x0),
    0x21: (0x0, 0x0, 0x7D, 0x0, 0x0),
    0x22: (0x0, 0x70, 0x0, 0x70, 0x0),
    0x23: (0x14, 0x7F, 0x14, 0x7F, 0x14),
    0x24: (0x12, 0x2A, 0x7F, 0x2A, 0x24),
    0x25: (0x62, 0x64, 0x8, 0x13, 0x23),
    0x26: (0x36, 0x49, 0x55, 0x22, 0x5),
    0x27: (0x0, 0x50, 0x60, 0x0, 0x0),
    0x28: (0x0, 0x1C, 0x22, 0x41, 0x0),
    0x29: (0x0, 0x41, 0x22, 0x1C, 0x0),
    0x2A: (0x8, 0x2A, 0x1C, 0x2A, 0x8),
    0x2B: (0x8, 0x8, 0x3E, 0x8, 0x8),
    0x2C: (0x0, 0x5, 0x6, 0x0, 0x0),
    0x2D: (0x8, 0x8, 0x8, 0x8, 0x8),
    0x2E: (0x0, 0x3, 0x3, 0x0, 0x0),
    0x2F: (0x2, 0x4, 0x8, 0x10, 0x20),
    0x30: (0x3E, 0x45, 0x49, 0x51, 0x3E),
    0x31: (0x0, 0x21, 0x7F, 0x1, 0x0),
    0x32: (0x21, 0x43, 0x45, 0x49, 0x31),
    0x33: (0x42, 0x41, 0x51, 0x69, 0x46),
    0x34: (0xC, 0x14, 0x24, 0x7F, 0x4),
    0x35: (0x72, 0x51, 0x51, 0x51, 0x4E),
    0x36: (0x1E, 0x29, 0x49, 0x49, 0x6),
    0x37: (0x40, 0x47, 0x48, 0x50, 0x60),
    0x38: (0x36, 0x49, 0x49, 0x49, 0x36),
    0x39: (0x30, 0x49, 0x49, 0x4A, 0x3C),
    0x3A: (0x0, 0x36, 0x36, 0x0, 0x0),
    0x3B: (0x0, 0x35, 0x36, 0x0, 0x0),
    0x3C: (0x0, 0x8, 0x14, 0x22, 0x41),
    0x3D: (0x14, 0x14, 0x14, 0x14, 0x14),
    0x3E: (0x41, 0x22, 0x14, 0x8, 0x0),
    0x3F: (0x20, 0x40, 0x45, 0x48, 0x30),
    0x40: (0x26, 0x49, 0x4F, 0x41, 0x3E),
    0x41: (0x3F, 0x44, 0x44, 0x44, 0x3F),
    0x42: (0x7F, 0x49, 0x49, 0x49, 0x36),
    0x43: (0x3E, 0x41, 0x41, 0x41, 0x22),
    0x44: (0x7F, 0x41, 0x41, 0x22, 0x1C),
    0x45: (0x7F, 0x49, 0x49, 0x49, 0x41),
    0x46: (0x7F, 0x48, 0x48, 0x40, 0x40),
    0x47: (0x3E, 0x41, 0x41, 0x45, 0x26),
    0x48: (0x7F, 0x8, 0x8, 0x8, 0x7F),
    0x49: (0x0, 0x41, 0x7F, 0x41, 0x0),
    0x4A: (0x2, 0x1, 0x41, 0x7E, 0x40),
    0x4B: (0x7F, 0x8, 0x14, 0x22, 0x41),
    0x4C: (0x7F, 0x1, 0x1, 0x1, 0x1),
    0x4D: (0x7F, 0x20, 0x10, 0x20, 0x7F),
    0x4E: (0x7F, 0x10, 0x8, 0x4, 0x7F),
    0x4F: (0x3E, 0x41, 0x41, 0x41, 0x3E),
    0x50: (0x7F, 0x48, 0x48, 0x48, 0x30),
    0x51: (0x3E, 0x41, 0x45, 0x42, 0x3D),
    0x52: (0x7F, 0x48, 0x4C, 0x4A, 0x31),
    0x53: (0x31, 0x49, 0x49, 0x49, 0x46),
    0x54: (0x40, 0x40, 0x7F, 0x40, 0x40),
    0x55: (0x7E, 0x1, 0x1, 0x1, 0x7E),
    0x56: (0x7C, 0x2, 0x1, 0x2, 0x7C),
    0x57: (0x7F, 0x2, 0xC, 0x2, 0x7F),
    0x58: (0x63, 0x14, 0x8, 0x14, 0x63),
    0x59: (0x60, 0x10, 0xF, 0x10, 0x60),
    0x5A: (0x43, 0x45, 0x49, 0x51, 0x61),
    0x5B: (0x0, 0x0, 0x7F, 0x41, 0x41),
    0x5C: (0x20, 0x10, 0x8, 0x4, 0x2),
    0x5D: (0x41, 0x41, 0x7F, 0x0, 0x0),
    0x5E: (0x10, 0x20, 0x40, 0x20, 0x10),
    0x5F: (0x1, 0x1, 0x1, 0x1, 0x1),
    0x60: (0x0, 0x40, 0x20, 0x10, 0x0),
    0x61: (0x2, 0x15, 0x15, 0x15, 0xF),
    0x62: (0x7F, 0x9, 0x11, 0x11, 0xE),
    0x63: (0xE, 0x11, 0x11, 0x11, 0x2),
    0x64: (0xE, 0x11, 0x11, 0x9, 0x7F),
    0x65: (0xE, 0x15, 0x15, 0x15, 0xC),
    0x66: (0x8, 0x3F, 0x48, 0x40, 0x20),
    0x67: (0x8, 0x14, 0x15, 0x15, 0x1E),
    0x68: (0x7F, 0x8, 0x10, 0x10, 0xF),
    0x69: (0x0, 0x11, 0x5F, 0x1, 0x0),
    0x6A: (0x2, 0x1, 0x11, 0x5E, 0x0),
    0x6B: (0x0, 0x7F, 0x4, 0xA, 0x11),
    0x6C: (0x0, 0x41, 0x7F, 0x1, 0x0),
    0x6D: (0x1F, 0x10, 0xC, 0x10, 0xF),
    0x6E: (0x1F, 0x8, 0x10, 0x10, 0xF),
    0x6F: (0xE, 0x11, 0x11, 0x11, 0xE),
    0x70: (0x1F, 0x14, 0x14, 0x14, 0x8),
    0x71: (0x8, 0x14, 0x14, 0xC, 0x1F),
    0x72: (0x1F, 0x8, 0x10, 0x10, 0x8),
    0x73: (0x9, 0x15, 0x15, 0x15, 0x2),
    0x74: (0x10, 0x7E, 0x11, 0x1, 0x2),
    0x75: (0x1E, 0x1, 0x1, 0x2, 0x1F),
    0x76: (0x1C, 0x2, 0x1, 0x2, 0x1C),
    0x77: (0x1E, 0x1, 0x6, 0x1, 0x1E),
    0x78: (0x11, 0xA, 0x4, 0xA, 0x11),
    0x79: (0x18, 0x5, 0x5, 0x5, 0x1E),
    0x7A: (0x11, 0x13, 0x15, 0x19, 0x11),
    0x7B: (0x0, 0x8, 0x36, 0x41, 0x0),
    0x7C: (0x0, 0x0, 0x7F, 0x0, 0x0),
    0x7D: (0x0, 0x41, 0x36, 0x8, 0x0),
    0x7E: (0x8, 0x8, 0x2A, 0x1C, 0x8),
    0x7F: (0x8, 0x1C, 0x2A, 0x8, 0x8),
    0x80: (0x7, 0x4A, 0x12, 0x4A, 0x7),
    0x81: (0x7, 0xA, 0x52, 0xA, 0x7),
    0x82: (0x7, 0x2A, 0x52, 0x2A, 0x7),
    0x83: (0x2, 0x15, 0x35, 0x55, 0xF),
    0x84: (0x2, 0x15, 0x55, 0x15, 0xF),
    0x85: (0x7F, 0x7F, 0x49, 0x49, 0x49),
    0x86: (0x5E, 0x21, 0x21, 0x21, 0x5E),
    0x87: (0x6, 0x29, 0x9, 0x29, 0x6),
    0x88: (0x1D, 0x26, 0x2A, 0x32, 0x5C),
    0x89: (0xC, 0x13, 0x1E, 0x32, 0xC),
    0x8A: (0x5E, 0x1, 0x1, 0x1, 0x5E),
    0x8B: (0xE, 0x21, 0x1, 0x22, 0xF),
    0x8C: (0x54, 0x34, 0x1F, 0x34, 0x54),
    0x8D: (0x15, 0x16, 0x1C, 0x34, 0x54),
    0x8E: (0xC, 0x10, 0xC, 0x2, 0xC),
    0x8F: (0x29, 0x55, 0x55, 0x55, 0x4A),
    0x90: (0x3F, 0x48, 0x7F, 0x48, 0x48),
    0x91: (0x16, 0x15, 0xE, 0x15, 0xD),
    0x92: (0x9, 0x3F, 0x49, 0x49, 0x21),
    0x93: (0x7F, 0x50, 0x54, 0x2F, 0x5),
    0x94: (0x1C, 0x3E, 0x3E, 0x3E, 0x1C),
    0x95: (0x1C, 0x22, 0x22, 0x22, 0x1C),
    0x96: (0x8, 0x1C, 0x3E, 0x1C, 0x8),
    0x97: (0x8, 0x14, 0x22, 0x14, 0x8),
    0x98: (0x0, 0x0, 0x77, 0x0, 0x0),
    0x99: (0x38, 0x45, 0x46, 0x44, 0x44),
    0x9A: (0x3, 0x5, 0x9, 0x11, 0x3F),
    0x9B: (0x1, 0x11, 0x29, 0x45, 0x1),
    0x9C: (0x1, 0x45, 0x29, 0x11, 0x1),
    0x9D: (0x4, 0xE, 0x15, 0x4, 0x7C),
    0x9E: (0x10, 0x20, 0x7F, 0x20, 0x10),
    0x9F: (0x4, 0x2, 0x7F, 0x2, 0x4),
    0xA0: (0x0, 0x0, 0x0, 0x0, 0x0),
    0xA1: (0x7, 0x5, 0x7, 0x0, 0x0),
    0xA2: (0x0, 0x0, 0x78, 0x40, 0x40),
    0xA3: (0x1, 0x1, 0xF, 0x0, 0x0),
    0xA4: (0x4, 0x2, 0x1, 0x0, 0x0),
    0xA5: (0x0, 0x6, 0x6, 0x0, 0x0),
    0xA6: (0x50, 0x50, 0x51, 0x52, 0x7C),
    0xA7: (0x0, 0x0, 0x0, 0x0, 0x0),
    0xA8: (0x10, 0x11, 0x16, 0x14, 0x18),
    0xA9: (0x2, 0x4, 0xF, 0x10, 0x0),
    0xAA: (0xC, 0x8, 0x19, 0xE, 0x0),
    0xAB: (0x9, 0xA, 0xC, 0x1F, 0x8),
    0xAC: (0x8, 0x1F, 0x8, 0xA, 0xC),
    0xAD: (0x1, 0x9, 0x9, 0xF, 0x1),
    0xAE: (0x15, 0x15, 0x15, 0x1F, 0x0),
    0xAF: (0xC, 0x0, 0xD, 0x1, 0xE),
    0xB0: (0x8, 0x8, 0x8, 0x8, 0x8),
    0xB1: (0x40, 0x41, 0x5E, 0x48, 0x70),
    0xB2: (0x2, 0x4, 0xF, 0x10, 0x20),
    0xB3: (0x38, 0x20, 0x61, 0x22, 0x3C),
    0xB4: (0x21, 0x21, 0x3F, 0x21, 0x21),
    0xB5: (0x22, 0x24, 0x28, 0x7F, 0x20),
    0xB6: (0x21, 0x7E, 0x20, 0x21, 0x3E),
    0xB7: (0x28, 0x28, 0x7F, 0x28, 0x28),
    0xB8: (0x10, 0x61, 0x41, 0x42, 0x7C),
    0xB9: (0x10, 0x60, 0x21, 0x3E, 0x20),
    0xBA: (0x41, 0x41, 0x41, 0x41, 0x7F),
    0xBB: (0x20, 0x79, 0x22, 0x7C, 0x20),
    0xBC: (0x29, 0x29, 0x1, 0x2, 0x1C),
    0xBD: (0x21, 0x22, 0x24, 0x2A, 0x31),
    0xBE: (0x20, 0x7E, 0x21, 0x29, 0x31),
    0xBF: (0x60, 0x11, 0x1, 0x2, 0x3C),
    0xC0: (0x8, 0x31, 0x29, 0x26, 0x3C),
    0xC1: (0x28, 0x29, 0x3E, 0x48, 0x8),
    0xC2: (0x38, 0x0, 0x39, 0x2, 0x3C),
    0xC3: (0x10, 0x51, 0x5E, 0x50, 0x10),
    0xC4: (0x0, 0x7F, 0x8, 0x4, 0x0),
    0xC5: (0x11, 0x12, 0x7C, 0x10, 0x10),
    0xC6: (0x1, 0x21, 0x21, 0x21, 0x1),
    0xC7: (0x21, 0x2A, 0x24, 0x2A, 0x30),
    0xC8: (0x22, 0x24, 0x6F, 0x34, 0x22),
    0xC9: (0x0, 0x1, 0x2, 0x7C, 0x0),
    0xCA: (0xF, 0x0, 0x20, 0x10, 0xF),
    0xCB: (0x7E, 0x11, 0x11, 0x11, 0x11),
    0xCC: (0x20, 0x21, 0x21, 0x22, 0x3C),
    0xCD: (0x10, 0x20, 0x10, 0x8, 0x6),
    0xCE: (0x26, 0x20, 0x7F, 0x20, 0x26),
    0xCF: (0x20, 0x24, 0x22, 0x25, 0x38),
    0xD0: (0x0, 0x2A, 0x2A, 0x2A, 0x1),
    0xD1: (0xE, 0x12, 0x22, 0x2, 0x7),
    0xD2: (0x1, 0xA, 0x4, 0xA, 0x30),
    0xD3: (0x20, 0x3E, 0x29, 0x29, 0x29),
    0xD4: (0x10, 0x7F, 0x10, 0x14, 0x18),
    0xD5: (0x1, 0x21, 0x21, 0x3F, 0x1),
    0xD6: (0x29, 0x29, 0x29, 0x29, 0x3F),
    0xD7: (0x10, 0x50, 0x51, 0x52, 0x1C),
    0xD8: (0x78, 0x1, 0x2, 0x7C, 0x0),
    0xD9: (0x1F, 0x0, 0x3F, 0x1, 0x6),
    0xDA: (0x3F, 0x1, 0x2, 0x4, 0x8),
    0xDB: (0x3F, 0x21, 0x21, 0x21, 0x3F),
    0xDC: (0x38, 0x20, 0x21, 0x22, 0x3C),
    0xDD: (0x21, 0x21, 0x1, 0x2, 0xC),
    0xDE: (0x20, 0x10, 0x40, 0x20, 0x0),
    0xDF: (0x70, 0x50, 0x70, 0x0, 0x0),
    0xE0: (0xE, 0x11, 0x9, 0x6, 0x1),
    0xE1: (0x2, 0x55, 0x15, 0x55, 0xF),
    0xE2: (0x1F, 0x2A, 0x2A, 0x2A, 0x14),
    0xE3: (0xA, 0x15, 0x15, 0x11, 0x2),
    0xE4: (0x3F, 0x4, 0x4, 0x8, 0x3C),
    0xE5: (0xE, 0x11, 0x19, 0x15, 0x12),
    0xE6: (0xF, 0x14, 0x24, 0x24, 0x18),
    0xE7: (0x8, 0x15, 0x15, 0x15, 0x1E),
    0xE8: (0x2, 0x1, 0x1E, 0x10, 0x10),
    0xE9: (0x20, 0x20, 0x0, 0x70, 0x0),
    0xEA: (0x2, 0x1, 0x11, 0x5E, 0x0),
    0xEB: (0x50, 0x20, 0x50, 0x0, 0x0),
    0xEC: (0xC, 0x12, 0x3F, 0x12, 0x4),
    0xED: (0x14, 0x7F, 0x15, 0x1, 0x1),
    0xEE: (0x1F, 0x48, 0x50, 0x50, 0xF),
    0xEF: (0xE, 0x51, 0x11, 0x51, 0xE),
    0xF0: (0x3F, 0x14, 0x24, 0x24, 0x18),
    0xF1: (0x18, 0x24, 0x24, 0x14, 0x3F),
    0xF2: (0x1E, 0x29, 0x29, 0x29, 0x1E),
    0xF3: (0x6, 0xA, 0x4, 0xA, 0xC),
    0xF4: (0xD, 0x13, 0x10, 0x13, 0xD),
    0xF5: (0x1E, 0x41, 0x1, 0x42, 0x1F),
    0xF6: (0x63, 0x55, 0x49, 0x41, 0x41),
    0xF7: (0x11, 0x1E, 0x10, 0x1F, 0x11),
    0xF8: (0x51, 0x4A, 0x44, 0x4A, 0x51),
    0xF9: (0x18, 0x5, 0x5, 0x5, 0x1E),
    0xFA: (0x28, 0x28, 0x3F, 0x28, 0x48),
    0xFB: (0x11, 0x1E, 0x14, 0x14, 0x17),
    0xFC: (0x1F, 0x14, 0x1C, 0x14, 0x1F),
    0xFD: (0x8, 0x8, 0x2A, 0x8, 0x8),
    0xFE: (0x0, 0x0, 0x0, 0x0, 0x0),
    0xFF: (0x7F, 0x7F, 0x7F, 0x7F, 0x7F),
}


def render(text):
    """Render the text as a byte array as defined above."""

    result = bytearray()
    for t in text:
        for c in __bitmap[ord(t)]:
            result.append(c)
        result.append(0)
    return result


import time
import picoscroll as scroll

scroll.init()


def hello_world():
    """Display scrolling Hello, world!"""

    # generate bitmap
    hello = render("Hello, World!")

    # display bitmap
    for offset in range(-17, len(hello)):
        scroll.show_bitmap_1d(hello, 16, offset)
        scroll.update()
        time.sleep(0.1)


if __name__ == "__main__":
    while True:
        hello_world()
        time.sleep(1)