From: Keith Packard <keithp@keithp.com>
Date: Wed, 29 Jun 2016 01:25:44 +0000 (-0700)
Subject: altos/stm: Change ao_spi_send_sync definition to take const source
X-Git-Tag: 1.6.5~1^2~19
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=2e60cd22f6789c94343e6432822cedab028dc1ba

altos/stm: Change ao_spi_send_sync definition to take const source

Provides for a bit better error checking.

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

diff --git a/src/stm/ao_arch_funcs.h b/src/stm/ao_arch_funcs.h
index 25b43587..8393898d 100644
--- a/src/stm/ao_arch_funcs.h
+++ b/src/stm/ao_arch_funcs.h
@@ -80,7 +80,7 @@ void
 ao_spi_send_fixed(uint8_t value, uint16_t len, uint8_t spi_index);
 
 void
-ao_spi_send_sync(void *block, uint16_t len, uint8_t spi_index);
+ao_spi_send_sync(const void *block, uint16_t len, uint8_t spi_index);
 
 static inline void
 ao_spi_send_byte(uint8_t byte, uint8_t spi_index)
diff --git a/src/stm/ao_spi_stm.c b/src/stm/ao_spi_stm.c
index 7eaa3924..8ed820eb 100644
--- a/src/stm/ao_spi_stm.c
+++ b/src/stm/ao_spi_stm.c
@@ -154,7 +154,7 @@ ao_spi_send_fixed(uint8_t value, uint16_t len, uint8_t spi_index)
 }
 
 void
-ao_spi_send_sync(void *block, uint16_t len, uint8_t spi_index)
+ao_spi_send_sync(const void *block, uint16_t len, uint8_t spi_index)
 {
 	uint8_t		*b = block;
 	struct stm_spi	*stm_spi = ao_spi_stm_info[AO_SPI_INDEX(spi_index)].stm_spi;