{"header":{"message":"add pr61 and pr62","description":null,"timestamp":"2025-06-21T20:14:51.724231554Z","authors":[{}]},"hash":"AO2V3U24WYO7TZJYWBVSW5TTFI3BMZHOJWF4DXLHN7CD2NNQAMNAC","authors":[{"login":"voroskoi","key":"AcgH6gDBg6fhR9owSrWM4ozJCWBYfPb3HJuh5QT4dzuT"}],"deps":{"hashes":[["AO2V3U24WYO7TZJYWBVSW5TTFI3BMZHOJWF4DXLHN7CD2NNQAMNAC","add pr61 and pr62"],["AA",null],["QWMJB2SWRXJ4MD65UREYYAIRL3MXL77FSR2GNY6ZNYQZ6YG6B2YAC","initial import"],["66E7AVNYU4BJ3O2B2BW2JLPQQJSPBHWLTRWSG7RNRSL62WVCLR2AC","add couple more programs"],["SPSBQYNDT2ZTB2754L44QBEXBSSG6J7SOHKA3DCWP2VQVA5QSBQQC","add pr51"]],"deps":["QWMJB2SWRXJ4MD65UREYYAIRL3MXL77FSR2GNY6ZNYQZ6YG6B2YAC","66E7AVNYU4BJ3O2B2BW2JLPQQJSPBHWLTRWSG7RNRSL62WVCLR2AC","SPSBQYNDT2ZTB2754L44QBEXBSSG6J7SOHKA3DCWP2VQVA5QSBQQC"],"known":[]},"hunks":[{"FileAdd":{"meta":{"basename":"pr62.zig","metadata":0},"context":[{"change":2,"pos":15}],"contents":[{"Add":"const std = @import(\"std\");"},{"Add":"const microzig = @import(\"microzig\");"},{"Add":"const rp2xxx = microzig.hal;"},{"Add":"const gpio = rp2xxx.gpio;"},{"Add":"const Pio = rp2xxx.pio.Pio;"},{"Add":"const StateMachine = rp2xxx.pio.StateMachine;"},{"Add":""},{"Add":"const LEDSNUM = 8;"},{"Add":"const SLEEP_MS = 1000;"},{"Add":""},{"Add":"const ws2812_program = blk: {"},{"Add":" @setEvalBranchQuota(10_000);"},{"Add":" break :blk rp2xxx.pio.assemble("},{"Add":" \\\\;"},{"Add":" \\\\; Copyright (c) 2020 Raspberry Pi (Trading) Ltd."},{"Add":" \\\\;"},{"Add":" \\\\; SPDX-License-Identifier: BSD-3-Clause"},{"Add":" \\\\;"},{"Add":" \\\\.program ws2812"},{"Add":" \\\\.side_set 1"},{"Add":" \\\\"},{"Add":" \\\\.define public T1 2"},{"Add":" \\\\.define public T2 5"},{"Add":" \\\\.define public T3 3"},{"Add":" \\\\"},{"Add":" \\\\.wrap_target"},{"Add":" \\\\bitloop:"},{"Add":" \\\\ out x, 1 side 0 [T3 - 1] ; Side-set still takes place when instruction stalls"},{"Add":" \\\\ jmp !x do_zero side 1 [T1 - 1] ; Branch on the bit we shifted out. Positive pulse"},{"Add":" \\\\do_one:"},{"Add":" \\\\ jmp bitloop side 1 [T2 - 1] ; Continue driving high, for a long pulse"},{"Add":" \\\\do_zero:"},{"Add":" \\\\ nop side 0 [T2 - 1] ; Or drive low, for a short pulse"},{"Add":" \\\\.wrap"},{"Add":" , .{}).get_program_by_name(\"ws2812\");"},{"Add":"};"},{"Add":""},{"Add":"const pio: Pio = rp2xxx.pio.num(0);"},{"Add":"const sm: StateMachine = .sm0;"},{"Add":"const led_pin = gpio.num(0);"},{"Add":""},{"Add":"pub fn main() !void {"},{"Add":" pio.gpio_init(led_pin);"},{"Add":" pio.sm_set_pindir(sm, @intFromEnum(led_pin), 1, .out);"},{"Add":""},{"Add":" const cycles_per_bit: comptime_int = ws2812_program.defines[0].value + //T1"},{"Add":" ws2812_program.defines[1].value + //T2"},{"Add":" ws2812_program.defines[2].value; //T3"},{"Add":" const div = @as(f32, @floatFromInt(rp2xxx.clock_config.sys.?.frequency())) /"},{"Add":" (800_000 * cycles_per_bit);"},{"Add":""},{"Add":" pio.sm_load_and_start_program(sm, ws2812_program, .{"},{"Add":" .clkdiv = rp2xxx.pio.ClkDivOptions.from_float(div),"},{"Add":" .pin_mappings = .{"},{"Add":" .side_set = .{"},{"Add":" .base = @intFromEnum(led_pin),"},{"Add":" .count = 1,"},{"Add":" },"},{"Add":" },"},{"Add":" .shift = .{"},{"Add":" .out_shiftdir = .left,"},{"Add":" .autopull = true,"},{"Add":" .pull_threshold = 24,"},{"Add":" .join_tx = true,"},{"Add":" },"},{"Add":" }) catch unreachable;"},{"Add":" pio.sm_set_enabled(sm, true);"},{"Add":""},{"Add":" var rand = std.Random.DefaultPrng.init(0);"},{"Add":" const rnd = rand.random();"},{"Add":""},{"Add":" const brightness = 0.2;"},{"Add":""},{"Add":" for (0..60) |_| {"},{"Add":" for (0..LEDSNUM) |_| {"},{"Add":" const green: u24 = rnd.uintAtMostBiased(u8, 255 * brightness);"},{"Add":" const red: u24 = rnd.uintAtMostBiased(u8, 255 * brightness);"},{"Add":" const blue: u24 = rnd.uintAtMostBiased(u8, 255 * brightness);"},{"Add":" const mix: u32 = green << 16 | red << 8 | blue;"},{"Add":" pio.sm_blocking_write(sm, mix << 8);"},{"Add":" }"},{"Add":" rp2xxx.time.sleep_ms(SLEEP_MS);"},{"Add":" }"},{"Add":"}"}]}},{"FileAdd":{"meta":{"basename":"pr61.zig","metadata":0},"context":[{"change":2,"pos":15}],"contents":[{"Add":"const std = @import(\"std\");"},{"Add":"const microzig = @import(\"microzig\");"},{"Add":"const rp2xxx = microzig.hal;"},{"Add":"const gpio = rp2xxx.gpio;"},{"Add":"const Pio = rp2xxx.pio.Pio;"},{"Add":"const StateMachine = rp2xxx.pio.StateMachine;"},{"Add":""},{"Add":"const ws2812_program = blk: {"},{"Add":" @setEvalBranchQuota(10_000);"},{"Add":" break :blk rp2xxx.pio.assemble("},{"Add":" \\\\;"},{"Add":" \\\\; Copyright (c) 2020 Raspberry Pi (Trading) Ltd."},{"Add":" \\\\;"},{"Add":" \\\\; SPDX-License-Identifier: BSD-3-Clause"},{"Add":" \\\\;"},{"Add":" \\\\.program ws2812"},{"Add":" \\\\.side_set 1"},{"Add":" \\\\"},{"Add":" \\\\.define public T1 2"},{"Add":" \\\\.define public T2 5"},{"Add":" \\\\.define public T3 3"},{"Add":" \\\\"},{"Add":" \\\\.wrap_target"},{"Add":" \\\\bitloop:"},{"Add":" \\\\ out x, 1 side 0 [T3 - 1] ; Side-set still takes place when instruction stalls"},{"Add":" \\\\ jmp !x do_zero side 1 [T1 - 1] ; Branch on the bit we shifted out. Positive pulse"},{"Add":" \\\\do_one:"},{"Add":" \\\\ jmp bitloop side 1 [T2 - 1] ; Continue driving high, for a long pulse"},{"Add":" \\\\do_zero:"},{"Add":" \\\\ nop side 0 [T2 - 1] ; Or drive low, for a short pulse"},{"Add":" \\\\.wrap"},{"Add":" , .{}).get_program_by_name(\"ws2812\");"},{"Add":"};"},{"Add":""},{"Add":"const pio: Pio = rp2xxx.pio.num(0);"},{"Add":"const sm: StateMachine = .sm0;"},{"Add":"const led_pin = gpio.num(0);"},{"Add":""},{"Add":"pub fn main() !void {"},{"Add":" pio.gpio_init(led_pin);"},{"Add":" pio.sm_set_pindir(sm, @intFromEnum(led_pin), 1, .out);"},{"Add":""},{"Add":" const cycles_per_bit: comptime_int = ws2812_program.defines[0].value + //T1"},{"Add":" ws2812_program.defines[1].value + //T2"},{"Add":" ws2812_program.defines[2].value; //T3"},{"Add":" const div = @as(f32, @floatFromInt(rp2xxx.clock_config.sys.?.frequency())) /"},{"Add":" (800_000 * cycles_per_bit);"},{"Add":""},{"Add":" pio.sm_load_and_start_program(sm, ws2812_program, .{"},{"Add":" .clkdiv = rp2xxx.pio.ClkDivOptions.from_float(div),"},{"Add":" .pin_mappings = .{"},{"Add":" .side_set = .{"},{"Add":" .base = @intFromEnum(led_pin),"},{"Add":" .count = 1,"},{"Add":" },"},{"Add":" },"},{"Add":" .shift = .{"},{"Add":" .out_shiftdir = .left,"},{"Add":" .autopull = true,"},{"Add":" .pull_threshold = 24,"},{"Add":" .join_tx = true,"},{"Add":" },"},{"Add":" }) catch unreachable;"},{"Add":" pio.sm_set_enabled(sm, true);"},{"Add":""},{"Add":" // while (true) {"},{"Add":" // pio.sm_blocking_write(sm, 0x00ff0000); //red"},{"Add":" // rp2xxx.time.sleep_ms(1000);"},{"Add":" // pio.sm_blocking_write(sm, 0xff0000 << 8); //green"},{"Add":" // rp2xxx.time.sleep_ms(1000);"},{"Add":" // pio.sm_blocking_write(sm, 0x0000ff << 8); //blue"},{"Add":" // rp2xxx.time.sleep_ms(1000);"},{"Add":" // }"},{"Add":" for (0..256) |g| {"},{"Add":" for (0..256 / 8) |r| {"},{"Add":" for (0..8) |c| {"},{"Add":" const mix: u32 = 255 | (r + c) << 8 | (g << 16);"},{"Add":" pio.sm_blocking_write(sm, mix << 8);"},{"Add":" }"},{"Add":" rp2xxx.time.sleep_ms(1);"},{"Add":" }"},{"Add":" }"},{"Add":" for (0..256) |g| {"},{"Add":" for (0..256 / 8) |r| {"},{"Add":" for (0..8) |c| {"},{"Add":" const mix: u32 = (r + c) << 8 | (g << 16);"},{"Add":" pio.sm_blocking_write(sm, mix << 8);"},{"Add":" }"},{"Add":" rp2xxx.time.sleep_ms(1);"},{"Add":" }"},{"Add":" }"},{"Add":" pio.sm_blocking_write(sm, 0x000000 << 8);"},{"Add":" pio.sm_blocking_write(sm, 0x000000 << 8);"},{"Add":" pio.sm_blocking_write(sm, 0x000000 << 8);"},{"Add":" pio.sm_blocking_write(sm, 0x000000 << 8);"},{"Add":" pio.sm_blocking_write(sm, 0x000000 << 8);"},{"Add":" pio.sm_blocking_write(sm, 0x000000 << 8);"},{"Add":" pio.sm_blocking_write(sm, 0x000000 << 8);"},{"Add":" pio.sm_blocking_write(sm, 0x000000 << 8);"},{"Add":"}"}]}},{"Replacement":{"inode":{"change":3,"pos":33},"path":"src/pr42.zig","line":10,"ins":{"up_context":[{"change":3,"pos":231}],"down_context":[{"change":3,"pos":253}],"flag":"BLOCK","start":6070,"end":6091,"inode":{"change":3,"pos":33}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":231},"to":{"change":3,"start":231,"end":253},"introduced_by":3}],"inode":{"change":3,"pos":33}},"ins_contents":[{"Add":"const SLEEP_MS = 50;"}],"del_contents":[{"Del":"const SLEEP_MS = 100;\n"}]}},{"Edit":{"inode":{"change":2,"pos":3235},"path":"build.zig","line":59,"atom":{"NewVertex":{"up_context":[{"change":4,"pos":1247}],"down_context":[{"change":2,"pos":4265}],"flag":"BLOCK","start":6092,"end":6594,"inode":{"change":2,"pos":3235}}},"contents":[{"Add":""},{"Add":" const pr61 = mb.add_firmware(.{"},{"Add":" .name = \"pr61\","},{"Add":" .target = mb.ports.rp2xxx.boards.raspberrypi.pico,"},{"Add":" .optimize = .ReleaseSmall,"},{"Add":" .root_source_file = b.path(\"src/pr61.zig\"),"},{"Add":" });"},{"Add":" mb.install_firmware(pr61, .{});"},{"Add":""},{"Add":" const pr62 = mb.add_firmware(.{"},{"Add":" .name = \"pr62\","},{"Add":" .target = mb.ports.rp2xxx.boards.raspberrypi.pico,"},{"Add":" .optimize = .ReleaseSmall,"},{"Add":" .root_source_file = b.path(\"src/pr62.zig\"),"},{"Add":" });"},{"Add":" mb.install_firmware(pr62, .{});"}]}}],"owner":"voroskoi","repo":"pico","token":"O4SqmEUvz4oxSjiYgE9sWAjgUnAgOTucxhFSAcMRn0o=","login":null}

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