admin/Toyota-AVC-LAN
1
0
Fork 0
mirror of https://github.com/halleysfifthinc/AVCLAN-Mockingboard.git synced 2026-08-07 01:13:18 +00:00
Code Issues Packages Projects Releases Wiki Activity

Refine timing calculations; use for serial baudrate calculation

Browse Source
This commit is contained in:
Allen Hill
2023-09-10 16:48:48 -04:00
parent 4c19f27992
commit bcd07d0ffb
3 changed files with 35 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/timing.h
+23 -9
View File
@@ -1,14 +1,30 @@
#ifndef _TIMING_HPP_
#define _TIMING_HPP_
#if CLK_PRESCALE == 0x01
#error "Not implemented"
#else
#define __CLKCTRL_PDIV_2X_gc 2
#define __CLKCTRL_PDIV_4X_gc 4
#define __CLKCTRL_PDIV_8X_gc 8
#define __CLKCTRL_PDIV_16X_gc 16
#define __CLKCTRL_PDIV_32X_gc 32
#define __CLKCTRL_PDIV_64X_gc 64
#define __CLKCTRL_PDIV_6X_gc 6
#define __CLKCTRL_PDIV_10X_gc 10
#define __CLKCTRL_PDIV_12X_gc 12
#define __CLKCTRL_PDIV_24X_gc 24
#define __CLKCTRL_PDIV_48X_gc 48
#if F_CPU == 20000000L
#define CPU_CYCLE 50
#elif F_CPU == 16000000L
#define CPU_CYCLE 62.5
#if CLK_PRESCALE == 0x01
#define F_CPU (FREQSEL / __CLK_PRESCALE_DIV)
#define CYCLE_MUL __CLK_PRESCALE_DIV
#else
#define F_CPU (FREQSEL)
#define CYCLE_MUL 1
#endif
#if FREQSEL == 20000000L
#define CPU_CYCLE (50 * CYCLE_MUL)
#elif FREQSEL == 16000000L
#define CPU_CYCLE (62.5 * CYCLE_MUL)
#else
#error "Not implemented"
#endif
@@ -47,5 +63,3 @@
#define AVCLAN_BIT_LENGTH (39.5e3 / TCB_TICK)
#endif
#endif