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diff packages/io/flash/current/src/flash.c @ 2633:592d727733df

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* src/flash.c (cyg_flash_init): Allow repeated calls to change the printf function for all devices. There are times you don't any output, eg you are downloading an image over the serial port.
author jlarmour
date Tue, 18 Nov 2008 01:57:58 +0000
parents a2f5434df2cb
children 74dbf4c3f2e1
line wrap: on
line diff
--- a/packages/io/flash/current/src/flash.c
+++ b/packages/io/flash/current/src/flash.c
@@ -223,10 +223,16 @@ cyg_flash_init(cyg_flash_printf *pf)
   int err;
   struct cyg_flash_dev * dev;
   
-  if (init) return CYG_FLASH_ERR_OK;
-
   CYG_ASSERT(&(cyg_flashdevtab[CYGHWR_IO_FLASH_DEVICE]) == &cyg_flashdevtab_end, "incorrect number of flash devices");
   
+  if (init) {
+      // In case the printf function has changed.
+      for (dev = &cyg_flashdevtab[0]; dev != &cyg_flashdevtab_end; dev++) {
+          dev->pf = pf;
+      }
+      return CYG_FLASH_ERR_OK;
+  }
+
   for (dev = &cyg_flashdevtab[0]; dev != &cyg_flashdevtab_end; dev++) {
     dev->pf = pf;
     LOCK_INIT(dev);