From: Keith Packard <keithp@keithp.com>
Date: Sun, 13 Jan 2013 18:31:59 +0000 (-0800)
Subject: Update avr ao_spi_slave code to match API changes
X-Git-Tag: altosdroid_v1.2-1~105^2~7
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=3645cb6578ec2a11ab7b0f6d435c6de22ca02a9f

Update avr ao_spi_slave code to match API changes

Made the interface use void * for pointers and uint16_t for lengths

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

diff --git a/src/avr/ao_spi_slave.c b/src/avr/ao_spi_slave.c
index a400b8a0..15e9924d 100644
--- a/src/avr/ao_spi_slave.c
+++ b/src/avr/ao_spi_slave.c
@@ -18,22 +18,24 @@
 #include "ao.h"
 
 uint8_t
-ao_spi_slave_recv(uint8_t *buf, uint8_t len)
+ao_spi_slave_recv(void *buf, uint16_t len)
 {
+	uint8_t *b = buf;
 	while (len--) {
 		while (!(SPSR & (1 << SPIF)))
 			if ((PINB & (1 << PINB0)))
 				return 0;
-		*buf++ = SPDR;
+		*b++ = SPDR;
 	}
 	return 1;
 }
 
 void
-ao_spi_slave_send(uint8_t *buf, uint8_t len)
+ao_spi_slave_send(void *buf, uint16_t len)
 {
+	uint8_t *b = buf;
 	while (len--) {
-		SPDR = *buf++;
+		SPDR = *b++;
 		while (!(SPSR & (1 << SPIF)))
 			if ((PINB & (1 << PINB0)))
 				return;
diff --git a/src/core/ao.h b/src/core/ao.h
index df5bbf48..ce0bf5d1 100644
--- a/src/core/ao.h
+++ b/src/core/ao.h
@@ -299,10 +299,10 @@ ao_altitude_to_pa(alt_t alt);
  */
 
 uint8_t
-ao_spi_slave_recv(uint8_t *buf, uint8_t len);
+ao_spi_slave_recv(void *buf, uint16_t len);
 
 void
-ao_spi_slave_send(uint8_t *buf, uint8_t len);
+ao_spi_slave_send(void *buf, uint16_t len);
 
 void
 ao_spi_slave_init(void);