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Merge pull request #57 from ranma/baudrate-rounding

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Add rounding to baud rate calculation
This commit is contained in:
René van Dorst
2025-12-20 11:55:42 +00:00
committed by GitHub
parent c20ec6b081 f46cb02828
commit bf00f9aa2c
1 changed files with 2 additions and 2 deletions
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rtlplayground.c
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@@ -1649,8 +1649,8 @@ void setup_serial(void)
// The RCAP2 registers contain the high/low byte that is loaded into // The RCAP2 registers contain the high/low byte that is loaded into
// timer2 when T2 overflows to 0x10000 // timer2 when T2 overflows to 0x10000
RCAP2H = (0x10000 - (CLOCK_HZ / SERIAL_BAUD_RATE / 32)) >> 8; RCAP2H = (0x10000 - ((CLOCK_HZ / SERIAL_BAUD_RATE + 16) / 32)) >> 8;
RCAP2L = (0x10000 - (CLOCK_HZ / SERIAL_BAUD_RATE / 32)) % 0xff; RCAP2L = (0x10000 - ((CLOCK_HZ / SERIAL_BAUD_RATE + 16) / 32)) % 0xff;
PCON |= 0x80; // Double the Baud Rate PCON |= 0x80; // Double the Baud Rate