Diff: RTOS_SPI.h

Revision:

2:d052724e2ad6

Parent:

0:004e5e86de4e

--- a/RTOS_SPI.h	Sun Jan 05 10:20:17 2014 +0000
+++ b/RTOS_SPI.h	Fri Jun 27 10:12:42 2014 +0000
@@ -15,6 +15,8 @@
 *
 * This is a child class of SPI, so all regular SPI functions
 * are available + two for DMA control.
+*
+* @note Only supports 8-bit SPI. The 16-bit SPI mode of the KL46Z is not supported.
 */
 class RTOS_SPI: public SPI {
     public:
@@ -37,7 +39,7 @@
     * @param length - number of bytes to write
     * @param array - true if write_data is an array, false if it is a single constant value
     */
-    void bulkWrite(uint8_t *write_data, int length, bool array = true) {
+    void bulkWrite(const uint8_t *write_data, int length, bool array = true) {
         uint8_t dummy;
         bulkInternal(&dummy, write_data, length, false, array);
     }
@@ -50,12 +52,12 @@
     * @param length - number of bytes to write
     * @param array - true if write_data is an array, false if it is a single constant value
     */
-    void bulkReadWrite(uint8_t *read_data, uint8_t *write_data, int length, bool array = true) {
+    void bulkReadWrite(uint8_t *read_data, const uint8_t *write_data, int length, bool array = true) {
         bulkInternal(read_data, write_data, length, true, array);
     }
     
     private:
-    void bulkInternal(uint8_t *read_data, uint8_t *write_data, int length, bool read_inc, bool write_inc);
+    void bulkInternal(uint8_t *read_data, const uint8_t *write_data, int length, bool read_inc, bool write_inc);
     
     SimpleDMA read_dma;
     SimpleDMA write_dma;