Fix recv() return value, still sending 2 packets.

1 files changed, 3 insertions, 3 deletions

diff --git a/nrfm.c b/nrfm.c
index 5b2dfe9..5f0202c 100644
--- a/nrfm.c
+++ b/nrfm.c
@@ -316,13 +316,13 @@ uint8_t radio_recv(char *buf, uint8_t n)
 		return 0;
 	}
 
-	readmax = (n - 1) < pdlen ? (n - 1) : pdlen;
+	readmax = n < pdlen ? n : pdlen;
 
 	SPI_PORT &= ~(1 << SPI_SS);
 	SPDR = 0b01100001;
 	while (!(SPSR & (1 << SPIF)))
 		;
-	for (readlen = 0; readlen <= readmax; readlen++) {
+	for (readlen = 0; readlen < readmax; readlen++) {
 		SPDR = NOP;
 		while (!(SPSR & (1 << SPIF)))
 			;
@@ -334,5 +334,5 @@ uint8_t radio_recv(char *buf, uint8_t n)
 	reset_irqs();
 	enable_chip();
 	
-	return readlen - 1;
+	return readlen;
 }