Fix snprintf() buflen and enable ack on all pipes.

1 files changed, 2 insertions, 2 deletions

diff --git a/main.c b/main.c
index 28f87fc..0d4dd8d 100644
--- a/main.c
+++ b/main.c
@@ -52,7 +52,7 @@ static inline void write_reg(uint8_t reg, uint8_t val)
 
 static inline void print_config(void)
 {
-	char s[21];
+	char s[22];
 	uint8_t i, rv;
 
 	uart_write_line("NRF24L01 configuration:");
@@ -79,7 +79,7 @@ void radio_init(void)
 	_delay_ms(100); /* power on reset delay */
 
 	write_reg(0x00, 0b00001100);  /* use 2-byte CRC */
-	write_reg(0x01, 0b00000000);  /* disable auto ack on all pipes */
+	write_reg(0x01, 0b00111111);  /* enable auto ack on all pipes */
 	write_reg(0x02, 0b00000001);  /* enable rx address on pipe 0 */
 	write_reg(0x03, 0b00000001);  /* set address width to 3 bytes */
 	write_reg(0x04, 0b00000000);  /* disable auto retransmission */