WILLY BAYOT / anaDMA

analogIn with DMA

Dependents:   TDEMNucleo

Diff: AnaloginDMA.h

Revision:
4:2844a210bd46
Parent:
2:08779d8f1873
--- a/AnaloginDMA.h	Sat Jan 03 14:28:35 2015 +0000
+++ b/AnaloginDMA.h	Sat Jan 03 15:41:29 2015 +0000
@@ -58,13 +58,12 @@
     }
 
  
-    /** Read the input voltage, represented as an unsigned short in the range [0x0, 0xFFFF]
+    /** Read the 'Length' input voltage(s), represented as an array of  unsigned short pData
      *
-     * @returns
-     *   16-bit unsigned short representing the current input voltage, normalised to a 16-bit value
+     * @returns status: 0 = OK, 1 = ERROR, 2=BUSY, 3 = TIMEOUT
      */
-    void read(uint16_t* pData, uint32_t Length) {
-        analoginDMA_read_u16(&_adc, pData, Length);
+    HAL_StatusTypeDef read(uint16_t* pData, uint32_t Length) {
+         return analoginDMA_read_u16(&_adc, pData, Length);
     }