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mbed library sources

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Diff: hal/spi_api.h

Revision:
563:536c9fb088a0
Parent:
525:c320967f86b9
--- a/hal/spi_api.h	Tue Jun 09 15:30:08 2015 +0100
+++ b/hal/spi_api.h	Wed Jun 10 10:00:08 2015 +0100
@@ -169,7 +169,7 @@
  * @param[in] handler   SPI interrupt handler
  * @param[in] hint      A suggestion for how to use DMA with this transfer
  */
-void spi_master_transfer(spi_t *obj, void *tx, size_t tx_length, void *rx, size_t rx_length, uint8_t bit_width, uint32_t handler, uint32_t event, DMAUsage hint);
+void spi_master_transfer(spi_t *obj, const void *tx, size_t tx_length, void *rx, size_t rx_length, uint8_t bit_width, uint32_t handler, uint32_t event, DMAUsage hint);
 
 /** The asynchronous IRQ handler
  *