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ch552: Raise UART IRQ priority and tune USB polling period

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Set UART1 IRQ to high priority to not miss any incoming bytes
and tune USB polling period (bInterval).
This commit is contained in:
Jonas Thörnblad 2025-01-23 13:44:53 +01:00 • committed by Michael Cardell Widerkrantz
parent c0482b7237
commit 524e5b4494
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2 changed files with 5 additions and 4 deletions
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hw/usb_interface/ch552_fw/include/debug.h
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@ -151,6 +151,7 @@ inline void UART1Setup()
// Should correct for rounding in SBAUD1 calculation
SBAUD1 = 256 - FREQ_SYS/16/UART1_BAUD; // Calculation for Fast mode
IE_UART1 = 1; // Enable UART1 interrupt
IP_EX = bIP_UART1; // Serial port IRQ has high priority
}
/*******************************************************************************