From 0cb579e41b19163d3c8b00d563b2068fb6f9c694 Mon Sep 17 00:00:00 2001
From: charlesl <charlesl@valvesoftware.com>
Date: Sat, 19 Aug 2023 13:56:39 -0400
Subject: [PATCH] Update with more sleep functions
---
ch32v003fun/ch32v003fun.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/ch32v003fun/ch32v003fun.h b/ch32v003fun/ch32v003fun.h
index 959177a..ea0aa40 100644
--- a/ch32v003fun/ch32v003fun.h
+++ b/ch32v003fun/ch32v003fun.h
@@ -5099,7 +5099,19 @@ extern "C" {
#define Ticks_from_Us(n) (n * DELAY_US_TIME)
#define Ticks_from_Ms(n) (n * DELAY_MS_TIME)
+// Depending on a LOT of factors, it's about 6 cycles per n.
+// **DO NOT send it zero or less.**
+static inline void Delay_Tiny( int n ) {
+ asm volatile( "\
+ mv a5, %[n]\n\
+ 1: \
+ c.addi a5, -1\n\
+ c.bnez a5, 1b" : : [n]"r"(n) : "a5" );
+}
+// Add a certain number of nops. Note: These are usually executed in pairs
+// and take two cycles, so you typically would use 0, 2, 4, etc.
+#define ADD_N_NOPS( n ) asm volatile( ".rept " #n "\nc.nop\n.endr" );
#if defined(__riscv) || defined(__riscv__) || defined( CH32V003FUN_BASE )
--
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