rp2350

git clone https://pyrossh.dev/repos/rp2350.git
Discussions: https://groups.google.com/g/rust-embed-devs

code to drive rp2350

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736f723f — pyrossh

tag: v0.0.2tag: v0.0.1

v0.0.2 v0.0.1

8 months ago

get openocd working

Files changed (7) hide show

build.zig +1 -0
{src → docs}/aa.zig +0 -0
kaluma-rp2-pico2-w-1.2.0.uf2 → docs/kaluma-rp2-pico2-w-1.2.0.uf2 +0 -0
main.js → docs/main.js +0 -0
docs/openocd.tar.gz +0 -0
readme.md +21 -0
src/main.zig +107 -14

build.zig CHANGED Viewed

@@ -20,4 +20,5 @@ pub fn build(b: *std.Build) void {
     // We call this twice to demonstrate that the default binary output for
     // RP2040 is UF2, but we can also output other formats easily
     mb.install_firmware(firmware, .{});
+    mb.install_firmware(firmware, .{ .format = .elf });
 }

{src → docs}/aa.zig RENAMED Viewed

File without changes

kaluma-rp2-pico2-w-1.2.0.uf2 → docs/kaluma-rp2-pico2-w-1.2.0.uf2 RENAMED Viewed

File without changes

main.js → docs/main.js RENAMED Viewed

File without changes

docs/openocd.tar.gz ADDED Viewed

Binary file

readme.md CHANGED Viewed

@@ -1,10 +1,31 @@
 # RP2350 Dev Board
+## Setup
+1. `brew install zig open-ocd arm-none-eabi-gdb`
+If open-ocd doesn't work build from source,
+`brew remove open-ocd`
+`brew install pkg-config autoconf automake texinfo libfdti hidpi jimtcl`
+`untar docs/openocd.tar.gz`
+`./boostrap`
+`./configure --enable-target=rp2350 --enable-interface=jtag`
+`make`
+`sudo make install`
 ## Run
 1. `zig build`
 2. `picotool load -x zig-out/firmware/rp2350.uf2 -f`
+# Start OCD Server
+`sudo openocd -s tcl -f interface/cmsis-dap.cfg -f target/rp2350.cfg -c "adapter speed 5000"sudo openocd -s tcl -f interface/cmsis-dap.cfg -f target/rp2350.cfg -c "adapter speed 5000"`
+# Flash OCD Program
+`sudo openocd -f interface/cmsis-dap.cfg -f target/rp2350.cfg -c "adapter speed 5000" -c "program zig-out/firmware/rp2350.elf verify reset exit"`
 ```c
 // Flash allocation map 4MB for pico 2W
 //

src/main.zig CHANGED Viewed

@@ -5,14 +5,20 @@ const time = rp2xxx.time;
 const gpio = rp2xxx.gpio;
 const SPI0 = rp2xxx.spi.instance.SPI0;
+const uart = rp2xxx.uart.instance.num(0);
+const uart_baud_rate = 115200;
+const uart_tx_pin = gpio.num(0);
+const uart_rx_pin = gpio.num(1);
-const ssr = gpio.num(0);
+const ssr = gpio.num(26);
-const button = gpio.num(1);
+const button = gpio.num(27);
 const miso = gpio.num(16);
 const csn = gpio.num(17);
 const sck = gpio.num(18);
 const mosi = gpio.num(19);
 const dc = gpio.num(20);
 const rst = gpio.num(21);
 // spi = SPI(0, 40_000_000, sck=Pin(18), mosi=Pin(19), miso=Pin(16))
 // display = Display(spi, gamma=False, bgr=False, dc=Pin(20), cs=Pin(17), rst=Pin(21))
 // display.clear(color565(64, 0, 255))
@@ -24,6 +30,17 @@ const Command = struct {
     delay_ms: ?u32 = null,
 };
+// const initDisplayCommands = [
+//   Command(code: 0x01, data: [], delay_ms: 150),
+//   Command(code: 0x01, data: [], delay_ms: 150),
+//   Command(code: 0x01, data: [], delay_ms: 150),
+//   Command(code: 0x01, data: [], delay_ms: 150),
+//   Command(code: 0x01, data: [], delay_ms: 150),
+//   Command(code: 0x01, data: [], delay_ms: 150),
+//   Command(code: 0x01, data: [], delay_ms: 150),
+//   Command(code: 0x01, data: [], delay_ms: 150),
+//]
 const initDisplayCommands: []const Command = &.{
     .{ .code = 0x01, .data = &.{}, .delay_ms = 150 }, // Software reset
     // .{ .code = 0xEF, .data = &.{ 0x03, 0x80, 0x02 } },
@@ -81,6 +98,77 @@ fn block(x0: u16, y0: u16, x1: u16, y1: u16, data: []const u8) void {
     send(Command{ .code = 0x2C, .data = data });
 }
+fn draw_pixel(x: u16, y: u16, color: u16) void {
+    block(x, y, x, y, &.{color});
+}
+// def draw_circle(self, x0, y0, r, color):
+//       """Draw a circle.
+//       Args:
+//           x0 (int): X coordinate of center point.
+//           y0 (int): Y coordinate of center point.
+//           r (int): Radius.
+//           color (int): RGB565 color value.
+//       """
+//       f = 1 - r
+//       dx = 1
+//       dy = -r - r
+//       x = 0
+//       y = r
+//       self.draw_pixel(x0, y0 + r, color)
+//       self.draw_pixel(x0, y0 - r, color)
+//       self.draw_pixel(x0 + r, y0, color)
+//       self.draw_pixel(x0 - r, y0, color)
+//       while x < y:
+//           if f >= 0:
+//               y -= 1
+//               dy += 2
+//               f += dy
+//           x += 1
+//           dx += 2
+//           f += dx
+//           self.draw_pixel(x0 + x, y0 + y, color)
+//           self.draw_pixel(x0 - x, y0 + y, color)
+//           self.draw_pixel(x0 + x, y0 - y, color)
+//           self.draw_pixel(x0 - x, y0 - y, color)
+//           self.draw_pixel(x0 + y, y0 + x, color)
+//           self.draw_pixel(x0 - y, y0 + x, color)
+//           self.draw_pixel(x0 + y, y0 - x, color)
+//           self.draw_pixel(x0 - y, y0 - x, color)
+// def draw_image(self, path, x=0, y=0, w=320, h=240):
+//     """Draw image from flash.
+//     Args:
+//         path (string): Image file path.
+//         x (int): X coordinate of image left.  Default is 0.
+//         y (int): Y coordinate of image top.  Default is 0.
+//         w (int): Width of image.  Default is 320.
+//         h (int): Height of image.  Default is 240.
+//     """
+//     x2 = x + w - 1
+//     y2 = y + h - 1
+//     if self.is_off_grid(x, y, x2, y2):
+//         return
+//     with open(path, "rb") as f:
+//         chunk_height = 1024 // w
+//         chunk_count, remainder = divmod(h, chunk_height)
+//         chunk_size = chunk_height * w * 2
+//         chunk_y = y
+//         if chunk_count:
+//             for c in range(0, chunk_count):
+//                 buf = f.read(chunk_size)
+//                 self.block(x, chunk_y,
+//                            x2, chunk_y + chunk_height - 1,
+//                            buf)
+//                 chunk_y += chunk_height
+//         if remainder:
+//             buf = f.read(remainder * w * 2)
+//             self.block(x, chunk_y,
+//                        x2, chunk_y + remainder - 1,
+//                        buf)
 fn color565(r: u32, g: u32, b: u32) u16 {
     return (r & 0xF8) << 8 | (g & 0xFC) << 3 | b >> 3;
 }
@@ -111,6 +199,12 @@ pub fn main() !void {
     inline for (&.{ miso, mosi, sck }) |pin| {
         pin.set_function(.spi);
     }
+    uart_tx_pin.set_function(.uart);
+    uart_rx_pin.set_function(.uart);
+    uart.apply(.{
+        .baud_rate = uart_baud_rate,
+        .clock_config = rp2xxx.clock_config,
+    });
     ssr.set_function(.sio);
     ssr.set_direction(.out);
     csn.set_function(.sio);
@@ -155,17 +249,16 @@ pub fn main() !void {
     }
 }
-// const expect = std.testing.expect;
+const expect = std.testing.expect;
-// fn data2(v: u8) u8 {
+fn data2(v: u8) u8 {
-//     return v;
+    return v;
-// }
+}
-// test "truncate u16 to u6" {
-//     const a: u16 = 320;
-//     try expect(data2(@truncate(a)) == 64);
-//     try expect(320 & 0xFF == 64);
-//     try expect(320 >> 8 == 1);
+test "truncate u16 to u6" {
+    const a: u16 = 320;
+    try expect(data2(@truncate(a)) == 64);
+    try expect(320 & 0xFF == 64);
+    try expect(320 >> 8 == 1);
-//     try expect(data2(@intCast(a >> 8)) == 1);
+    try expect(data2(@intCast(a >> 8)) == 1);
-// }
+}

~repos /rp2350

git clone https://pyrossh.dev/repos/rp2350.git Discussions: https://groups.google.com/g/rust-embed-devs

code to drive rp2350

tag: v0.0.2tag: v0.0.1

v0.0.2 v0.0.1

git clone https://pyrossh.dev/repos/rp2350.git
Discussions: https://groups.google.com/g/rust-embed-devs