altos: Document what HAS_BOOT_RADIO does in the m25 driver
authorKeith Packard <keithp@keithp.com>
Sun, 16 Dec 2012 21:30:20 +0000 (13:30 -0800)
committerKeith Packard <keithp@keithp.com>
Sun, 16 Dec 2012 21:30:20 +0000 (13:30 -0800)
HAS_BOOT_RADIO causes the m25 driver to abort any ongoing receive in
case that is holding the SPI bus.

Signed-off-by: Keith Packard <keithp@keithp.com>

src/drivers/ao_m25.c

index 9603c1d..518765b 100644 (file)
@@ -100,6 +100,7 @@ static __xdata uint8_t ao_m25_mutex;
 static __xdata uint8_t ao_m25_instruction[4];
 
 #if HAS_BOOT_RADIO
+/* Kick any radio listeners off so the flash can be written */
 extern uint8_t ao_radio_in_recv;
 
 static void ao_boot_radio(void) {