altos: Make stdio 8-bit clean by making pollchar return int

[fw/altos] / src / drivers / ao_packet.c

diff --git a/src/drivers/ao_packet.c b/src/drivers/ao_packet.c
index 3c1e7a18eb643168be3520e558f0ee6781ce963f..913199232a75b46d2db390ac9e665686626529e0 100644 (file)
--- a/src/drivers/ao_packet.c
+++ b/src/drivers/ao_packet.c
@@ -21,8 +21,8 @@ __xdata struct ao_packet_recv ao_rx_packet;
 __xdata struct ao_packet ao_tx_packet;
 __pdata uint8_t ao_packet_rx_len, ao_packet_rx_used, ao_packet_tx_used;
 
-static __xdata char tx_data[AO_PACKET_MAX];
-static __xdata char rx_data[AO_PACKET_MAX];
+static __xdata uint8_t tx_data[AO_PACKET_MAX];
+static __xdata uint8_t rx_data[AO_PACKET_MAX];
 static __pdata uint8_t rx_seq;
 
 __xdata struct ao_task ao_packet_task;
@@ -169,7 +169,7 @@ ao_packet_putchar(char c) __reentrant
                tx_data[ao_packet_tx_used++] = c;
 }
 
-char
+int
 ao_packet_pollchar(void)
 {
        /* No need to block interrupts, all variables here