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Author SHA1 Message Date
René van Dorst b818a94202 SERIAL: Wrong use of TI-flag causes IRQ-storm. 
TI-interrupt flag is used in the code, this is only
fine when SERIAL-interrupt is not enabled/used but
when is it used, it generates an interrupt which is
not handled, so it keeps generating interrupts and
trashing the performance and caused starvation on
lower priority interrupts like TIMER 2.

Use an extra flag to signal to the code that the
TX-buffer is empty.
 2026-01-04 14:16:28 +01:00
René van Dorst bbd4656810 SERIAL: Use Timer1 instead of Timer2 
Use Timer1 as baudrate generator.
Timer1 can be programmed to have the same accuracy and deviation as
Timer2, up to 115200 at F_SYS = 125 Mhz. See comment
setup_serial_timer1() comment for valid baudrates and settings.
Timer1 is used in 8-bit auto-reload mode.

Timer2 16-bit auto-reload can now be used for other tasks like SYS_TICK.
 2026-01-04 14:15:30 +01:00
René van Dorst 8b061d5fb9 SYS_TICK: Use Timer2 instead of Timer0. 
Downside of Timer0 is, we have to manually reload
the timer value. Timer2 can do that automaticly.
This saves a lot of time in the interrupt-handler
of the Timer.

Currently Timer2 is used for baudrate-generation
but in a separete commit this is moved to Timer1.
 2026-01-04 14:14:52 +01:00
René van Dorst 5ed4d7afc7 Merge pull request #67 from logicog/docs 
Update Readme
 2025-12-29 21:05:05 +00:00
logicog e73d82ec33 Update Readme 2025-12-29 18:21:16 +01:00
logicog 52832ff299 Merge pull request #56 from vDorst/doc_SWTG024AS_update 
Doc swtg024 as update
 2025-12-27 19:25:43 +01:00
logicog 787a82e846 Create LICENSE 
Adding MIT license as discussed elsewhere
 2025-12-27 07:01:25 +01:00
logicog 3653f90356 Merge pull request #64 from vDorst/fix_systick_calc 
Fix systick 16-bit writing to timer0 registers.
 2025-12-26 10:42:13 +01:00
René van Dorst 9ff114d234 SYSTICK: Fix writing value to TMR0 registers. 
A `%` modulo operator was used instead of a
`&` and-operator, to split a 16 bit value into two
8 bit values.
This causes that the SYSTICKs were 0.1% too fast.

Replace the manual split with a sfr16 type, so the
compiler does the split for us.
 2025-12-26 10:07:13 +01:00
René van Dorst 0abe83e3e5 sfr: add 16 bit SFR for the timer0. 
So we don't have to manual split 16-bit value into
for bytes.
Let the compiler do the work.
 2025-12-26 10:07:11 +01:00
René van Dorst 2a7b8f9838 Merge pull request #59 from logicog/timer_fixes 
Fix internal timer tick counter for housekeeping.
Because of the high F_CPU and low SYS_TICK.
Timer0 can easy overflow.
Now this is known and fixed.
 2025-12-25 09:54:58 +00:00
logicog 7fdf9ca86d Add time command to show system time 2025-12-25 10:27:37 +01:00
logicog 2b364943c2 Fix system clock 2025-12-25 10:27:37 +01:00
René van Dorst a8227f1855 Merge pull request #54 from logicog/speeds 
Add a Port Speed and MTU configuration Web-Page
 2025-12-25 09:11:31 +00:00
logicog 34a0e2d338 Right align speed option selection 2025-12-25 09:46:59 +01:00
logicog 4878a36638 Use changed signatures in parse_port for PHY speed setting 2025-12-25 09:46:59 +01:00
logicog dd7a5ebb95 Merge pull request #62 from vDorst/fix_SWTG024AS_port_mapping 
SWGT024_V2_0: Fix port mapping. Port 2 & 3 were swapped.
 2025-12-24 09:33:19 +01:00
René van Dorst 3ef7e45649 SWGT024_V2_0: Fix port mapping. Port 2 & 3 were swapped. 2025-12-23 14:30:27 +01:00
logicog 2a7bfdc119 Add duplex setting in PHY speed configuration 2025-12-23 13:04:34 +01:00
logicog 367bef2b2f Add defines for duplex modes 2025-12-23 13:04:34 +01:00
logicog cad74017a9 Remove white space in machine.h 2025-12-23 13:04:34 +01:00
logicog 3af63af4a4 Add MTU setting in web-page 2025-12-23 13:04:34 +01:00
logicog b7cfc73752 Add support in simulator for mtus 2025-12-22 23:28:50 +01:00
logicog 51345a07e6 Add mtu support in http server 2025-12-22 23:28:50 +01:00
logicog 67fbad38ce Add mtu command 2025-12-22 23:28:50 +01:00
logicog 67439efd2b Correctly display 9-port machines 2025-12-22 23:28:50 +01:00
logicog b4b8ad5738 Simulate 9-port machines 2025-12-22 23:28:50 +01:00
logicog eb0106d9f4 Correct bits in advertised PHY speeds 2025-12-22 23:28:50 +01:00
logicog f0537d759f Correct PHY registers for speed selection 2025-12-22 23:28:50 +01:00
logicog 36d5ee3ddd Add port speed page 2025-12-22 23:28:50 +01:00
Tobias Diedrich 6441e85752 Add rounding to baud rate calculation 
Without rounding:
- Divisor: 33 = (125000000 / 115200 / 32)
- RCAP2 value: 65503
- Actual baud rate: 118371 = (125000000 / 32 / 33)
- Error: 2.75%

With rounding:
- Divisor: 34 = ((125000000 / 115200 + 16) / 32)
- RCAP2 value: 65502
- Actual baud rate: 114889 = (125000000 / 32 / 34)
- Error: 0.27%

Should fix https://github.com/logicog/RTLPlayground/issues/48
 2025-12-22 23:28:50 +01:00
René van Dorst 053c16b84e SWTG024AS: Document Slave Interface 2025-12-22 14:32:23 +01:00
René van Dorst 4e9fb19e05 SWTG024AS: more small changes 2025-12-20 20:36:41 +01:00
René van Dorst 0a0e1856ae SWTG024AS: Link to photo 2025-12-20 14:50:25 +01:00
René van Dorst cedd81cf00 SWTG024AS: Fix and use unit KiB, add missing managed flag. 2025-12-20 14:44:38 +01:00
René van Dorst bf00f9aa2c Merge pull request #57 from ranma/baudrate-rounding 
Add rounding to baud rate calculation
 2025-12-20 11:55:42 +00:00
Tobias Diedrich f46cb02828 Add rounding to baud rate calculation 
Without rounding:
- Divisor: 33 = (125000000 / 115200 / 32)
- RCAP2 value: 65503
- Actual baud rate: 118371 = (125000000 / 32 / 33)
- Error: 2.75%

With rounding:
- Divisor: 34 = ((125000000 / 115200 + 16) / 32)
- RCAP2 value: 65502
- Actual baud rate: 114889 = (125000000 / 32 / 34)
- Error: 0.27%

Should fix https://github.com/logicog/RTLPlayground/issues/48
 2025-12-20 08:37:28 +01:00
René van Dorst 0779222194 SWTG024AS: Add Sodola SL-SWTG124AS-D 
Info from #55.
 2025-12-19 21:07:11 +01:00
René van Dorst 44ce073869 SWTG024AS: Add port overview, rename SDS to SerDes 2025-12-19 21:03:47 +01:00
logicog c20ec6b081 Merge pull request #53 from sergewar/main 
Add github actions
 2025-12-18 10:17:10 +01:00
sergewar ed62e46790 Add github actions 2025-12-18 10:23:52 +02:00
René van Dorst 12595f806a Merge pull request #50 from logicog/sfp_readings 
Show SFP + DOM info while hovering over the port.
 2025-12-17 06:50:41 +00:00
logicog 58c9af242d Cleanup code in rtl837x_phy.c 2025-12-17 06:44:11 +01:00
logicog dc9bc5ec7d Add SFP data to send_basic_info 2025-12-17 06:44:09 +01:00
logicog 44792699bf Add sfr_mask_data function header 2025-12-17 06:43:31 +01:00
logicog 12db61faf7 Add tooltips 2025-12-17 06:43:28 +01:00
logicog 519c224dd2 Use charset=UTF-8 in http header 
This allows us to use the degree sign for the temperatur
readings of the SFP modules.
 2025-12-16 20:08:47 +01:00
logicog b442417a8a Add tooltips for ports 2025-12-16 20:08:47 +01:00
logicog 87717a0790 Move drawing of ports into main.js 
This reduces the number of .js which are pulled by the browser
when loading a http page, which should reduce the loading time.
Also prepare for device-dependent logical to physical port
mappings.
 2025-12-16 20:08:47 +01:00
logicog 81fdb14213 Fix http_sim.c 2025-12-16 20:08:47 +01:00