From: Olivier MATZ <zer0@platinum>
Date: Thu, 23 Feb 2012 20:22:35 +0000 (+0100)
Subject: rc_servos: most critical variables as registers
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=2fe7b2747b73f2ac9ddf3630843da19937c3b570;p=protos%2Frc_servos.git

rc_servos: most critical variables as registers
---

diff --git a/main.c b/main.c
index e733e81..a27bf10 100644
--- a/main.c
+++ b/main.c
@@ -19,10 +19,11 @@ static struct servo servo_table[] = {
 		.command = 1023,
 	},
 };
+
 static volatile uint8_t rxbuf[16];
-static volatile uint8_t rxlen;
-static volatile uint8_t portval;
-static volatile uint8_t done;
+register uint8_t rxlen asm("r2");
+register uint8_t done asm("r3");
+register uint8_t portval asm("r4");
 
 SIGNAL(TIMER1_COMPA_vect)
 {