imu: more checks and debug at init

[protos/imu.git] / sd_raw.c

diff --git a/sd_raw.c b/sd_raw.c
index 8c830a3..f33184e 100644 (file)
--- a/sd_raw.c
+++ b/sd_raw.c
@@ -9,9 +9,12 @@
  */
 
 #include <string.h>
+#include <avr/pgmspace.h>
 #include <avr/io.h>
 #include "sd_raw.h"
 
+#include <uart.h>
+
 /**
  * \addtogroup sd_raw MMC/SD/SDHC card raw access
  *
@@ -160,7 +163,7 @@ static uint8_t sd_raw_card_type;
 
 /* private helper functions */
 static void sd_raw_send_byte(uint8_t b);
-static uint8_t sd_raw_rec_byte();
+static uint8_t sd_raw_rec_byte(void);
 static uint8_t sd_raw_send_command(uint8_t command, uint32_t arg);
 
 /**
@@ -169,7 +172,7 @@ static uint8_t sd_raw_send_command(uint8_t command, uint32_t arg);
  *
  * \returns 0 on failure, 1 on success.
  */
-uint8_t sd_raw_init()
+uint8_t sd_raw_init(void)
 {
     /* enable inputs for reading card status */
     configure_pin_available();
@@ -925,6 +928,7 @@ uint8_t sd_raw_get_info(struct sd_raw_info* info)
        if(i == 0)
        {
            csd_structure = b >> 6;
+           (void)csd_structure;
        }
        else if(i == 14)
        {