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@@ -48,6 +48,8 @@ static int rt_led_app_init(void);
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int main(void)
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{
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+ int timeout = 0;
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+
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/* Filesystem Initialization */
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#ifdef RT_USING_DFS
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{
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@@ -74,21 +76,27 @@ int main(void)
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rt_mmcsd_core_init();
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rt_mmcsd_blk_init();
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at91_mci_init();
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- rt_thread_delay(RT_TICK_PER_SECOND*2);
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- /* mount sd card fat partition 1 as root directory */
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+ timeout = 0;
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+ while ((rt_device_find("sd0") == RT_NULL) && (timeout++ < RT_TICK_PER_SECOND*2))
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+ {
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+ rt_thread_delay(1);
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+ }
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+
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+ if (timeout < RT_TICK_PER_SECOND*2)
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+ {
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+ /* mount sd card fat partition 1 as root directory */
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if (dfs_mount("sd0", "/", "elm", 0, 0) == 0)
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{
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rt_kprintf("File System initialized!\n");
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}
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else
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- rt_kprintf("File System initialzation failed!\n");
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-#endif
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+ rt_kprintf("File System initialzation failed!%d\n", rt_get_errno());
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}
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-#endif
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-
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-#ifdef RT_USING_I2C
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+ else
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{
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- rt_i2c_core_init();
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+ rt_kprintf("No SD card found.\n");
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+ }
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+#endif
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}
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#endif
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weety