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https://github.com/lupyuen/pinephone-nuttx.git
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Add packet tests
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parent
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commit
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1 changed files with 101 additions and 27 deletions
128
display.zig
128
display.zig
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@ -372,8 +372,8 @@ fn computeCrc(
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// Use CRC-16-CCITT (x^16 + x^12 + x^5 + 1)
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const crc = crc16ccitt(data, 0xffff);
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debug("computeCrc: len={}, crc=0x{x}", .{ data.len, crc });
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dump_buffer(&data[0], data.len);
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// debug("computeCrc: len={}, crc=0x{x}", .{ data.len, crc });
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// dump_buffer(&data[0], data.len);
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return crc;
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}
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@ -521,47 +521,121 @@ pub export fn null_main(_argc: c_int, _argv: [*]const [*]const u8) c_int {
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pub export fn test_zig() void {
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_ = printf("HELLO ZIG ON PINEPHONE!\n");
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// // Test DCS Short Write (Without Parameter)
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// const short_write = [_]u8 {
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// 0x11,
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// };
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// Allocate Packet Buffer
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var pkt_buf = std.mem.zeroes([128]u8);
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// Test Compose Short Packet (Without Parameter)
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debug("Testing Compose Short Packet (Without Parameter)...", .{});
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const short_pkt = [_]u8 {
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0x11,
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};
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const short_pkt_result = composeShortPacket(
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&pkt_buf, // Packet Buffer
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0, // Virtual Channel
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MIPI_DSI_DCS_SHORT_WRITE, // DCS Command
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&short_pkt, // Transmit Buffer
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short_pkt.len // Buffer Length
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);
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debug("Result:", .{});
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dump_buffer(&short_pkt_result[0], short_pkt_result.len);
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assert( // Verify result
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std.mem.eql(
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u8,
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short_pkt_result,
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&[_]u8 {
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0x05, 0x11, 0x00, 0x36
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}
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)
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);
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// Write to MIPI DSI
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// _ = nuttx_mipi_dsi_dcs_write(
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// null, // Device
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// 0, // Virtual Channel
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// MIPI_DSI_DCS_SHORT_WRITE, // DCS Command
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// &short_write, // Transmit Buffer
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// short_write.len // Buffer Length
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// &short_pkt, // Transmit Buffer
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// short_pkt.len // Buffer Length
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// );
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// // Test DCS Short Write (With Parameter)
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// const short_write_param = [_]u8 {
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// 0xbc, 0x4e,
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// };
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// Test Compose Short Packet (With Parameter)
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debug("Testing Compose Short Packet (With Parameter)...", .{});
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const short_pkt_param = [_]u8 {
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0xbc, 0x4e,
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};
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const short_pkt_param_result = composeShortPacket(
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&pkt_buf, // Packet Buffer
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0, // Virtual Channel
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MIPI_DSI_DCS_SHORT_WRITE_PARAM, // DCS Command
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&short_pkt_param, // Transmit Buffer
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short_pkt_param.len // Buffer Length
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);
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debug("Result:", .{});
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dump_buffer(&short_pkt_param_result[0], short_pkt_param_result.len);
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assert( // Verify result
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std.mem.eql(
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u8,
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short_pkt_param_result,
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&[_]u8 {
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0x15, 0xbc, 0x4e, 0x35
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}
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)
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);
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// Write to MIPI DSI
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// _ = nuttx_mipi_dsi_dcs_write(
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// null, // Device
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// 0, // Virtual Channel
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// MIPI_DSI_DCS_SHORT_WRITE_PARAM, // DCS Command
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// &short_write_param, // Transmit Buffer
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// short_write_param.len // Buffer Length
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// &short_pkt_param, // Transmit Buffer
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// short_pkt_param.len // Buffer Length
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// );
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// // Test DCS Long Write
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// const long_write = [_]u8 {
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// 0xe9, 0x82, 0x10, 0x06, 0x05, 0xa2, 0x0a, 0xa5,
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// 0x12, 0x31, 0x23, 0x37, 0x83, 0x04, 0xbc, 0x27,
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// 0x38, 0x0c, 0x00, 0x03, 0x00, 0x00, 0x00, 0x0c,
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// 0x00, 0x03, 0x00, 0x00, 0x00, 0x75, 0x75, 0x31,
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// 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x13, 0x88,
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// 0x64, 0x64, 0x20, 0x88, 0x88, 0x88, 0x88, 0x88,
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// 0x88, 0x02, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// };
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// Test Compose Long Packet
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debug("Testing Compose Long Packet...", .{});
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const long_pkt = [_]u8 {
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0xe9, 0x82, 0x10, 0x06, 0x05, 0xa2, 0x0a, 0xa5,
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0x12, 0x31, 0x23, 0x37, 0x83, 0x04, 0xbc, 0x27,
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0x38, 0x0c, 0x00, 0x03, 0x00, 0x00, 0x00, 0x0c,
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0x00, 0x03, 0x00, 0x00, 0x00, 0x75, 0x75, 0x31,
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0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x13, 0x88,
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0x64, 0x64, 0x20, 0x88, 0x88, 0x88, 0x88, 0x88,
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0x88, 0x02, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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const long_pkt_result = composeLongPacket(
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&pkt_buf, // Packet Buffer
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0, // Virtual Channel
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MIPI_DSI_DCS_LONG_WRITE, // DCS Command
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&long_pkt, // Transmit Buffer
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long_pkt.len // Buffer Length
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);
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debug("Result:", .{});
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dump_buffer(&long_pkt_result[0], long_pkt_result.len);
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assert( // Verify result
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std.mem.eql(
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u8,
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long_pkt_result,
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&[_]u8 {
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0x39, 0x40, 0x00, 0x25, 0xe9, 0x82, 0x10, 0x06,
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0x05, 0xa2, 0x0a, 0xa5, 0x12, 0x31, 0x23, 0x37,
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0x83, 0x04, 0xbc, 0x27, 0x38, 0x0c, 0x00, 0x03,
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0x00, 0x00, 0x00, 0x0c, 0x00, 0x03, 0x00, 0x00,
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0x00, 0x75, 0x75, 0x31, 0x88, 0x88, 0x88, 0x88,
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0x88, 0x88, 0x13, 0x88, 0x64, 0x64, 0x20, 0x88,
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0x88, 0x88, 0x88, 0x88, 0x88, 0x02, 0x88, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x65, 0x03,
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}
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)
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);
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// Write to MIPI DSI
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// _ = nuttx_mipi_dsi_dcs_write(
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// null, // Device
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// 0, // Virtual Channel
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// MIPI_DSI_DCS_LONG_WRITE, // DCS Command
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// &long_write, // Transmit Buffer
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// long_write.len // Buffer Length
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// &long_pkt, // Transmit Buffer
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// long_pkt.len // Buffer Length
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// );
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}
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