altos: Add sdcard read/write tracing

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

diff --git a/src/drivers/ao_sdcard.c b/src/drivers/ao_sdcard.c
index 4eef66258eaf3120121c05d34e3f81798536de15..952000a71f8000709f6f1a1643d92ab3eff769fd 100644 (file)
--- a/src/drivers/ao_sdcard.c
+++ b/src/drivers/ao_sdcard.c
@@ -27,8 +27,12 @@
 #define ao_sdcard_select()             ao_gpio_set(AO_SDCARD_SPI_CS_PORT,AO_SDCARD_SPI_CS_PIN,AO_SDCARD_SPI_CS,0)
 #define ao_sdcard_deselect()           ao_gpio_set(AO_SDCARD_SPI_CS_PORT,AO_SDCARD_SPI_CS_PIN,AO_SDCARD_SPI_CS,1)
 
+/* Include SD card commands */
 #define SDCARD_DEBUG   0
 
+/* Spew SD tracing */
+#define SDCARD_TRACE   0
+
 static uint8_t initialized;
 static uint8_t present;
 static uint8_t mutex;
@@ -37,7 +41,7 @@ static enum ao_sdtype sdtype;
 #define ao_sdcard_lock()       ao_mutex_get(&mutex)
 #define ao_sdcard_unlock()     ao_mutex_put(&mutex)
 
-#if 0
+#if SDCARD_TRACE
 #define DBG(...) printf(__VA_ARGS__)
 #else
 #define DBG(...)
@@ -369,6 +373,7 @@ ao_sdcard_read_block(uint32_t block, uint8_t *data)
                ao_sdcard_unlock();
                return 0;
        }
+       DBG("read block %d\n", block);
        if (sdtype != ao_sdtype_sd2block)
                block <<= 9;
        ao_sdcard_get();
@@ -390,6 +395,7 @@ bail:
        ao_sdcard_deselect();
        ao_sdcard_put();
        ao_sdcard_unlock();
+       DBG("read %s\n", ret == SDCARD_STATUS_READY_STATE ? "success" : "failure");
        return ret == SDCARD_STATUS_READY_STATE;
 }
 
@@ -415,6 +421,7 @@ ao_sdcard_write_block(uint32_t block, uint8_t *data)
                ao_sdcard_unlock();
                return 0;
        }
+       DBG("write block %d\n", block);
        if (sdtype != ao_sdtype_sd2block)
                block <<= 9;
        ao_sdcard_get();
@@ -455,6 +462,7 @@ bail:
        ao_sdcard_deselect();
        ao_sdcard_put();
        ao_sdcard_unlock();
+       DBG("write %s\n", ret == SDCARD_STATUS_READY_STATE ? "success" : "failure");
        return ret == SDCARD_STATUS_READY_STATE;
 }