1 files changed, 38 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_adc.h b/nuttx/arch/arm/src/stm32/stm32_adc.h
index 6089217fe..508813bd1 100644
--- a/nuttx/arch/arm/src/stm32/stm32_adc.h
+++ b/nuttx/arch/arm/src/stm32/stm32_adc.h
@@ -47,5 +47,43 @@
 
 #include <nuttx/analog/adc.h>
 
+/************************************************************************************
+ * Public Function Prototypes
+ ************************************************************************************/
+
+#ifndef __ASSEMBLY__
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Name: stm32_adcinitialize
+ *
+ * Description:
+ *   Initialize the ADC.
+ *
+ * Input Parameters:
+ *   intf      - Could be {1,2,3} for ADC1, ADC2, or ADC3
+ *   chanlist  - The list of channels
+ *   nchannels - Number of channels
+ *
+ * Returned Value:
+ *   Valid can device structure reference on succcess; a NULL on failure
+ *
+ ****************************************************************************/
+
+struct adc_dev_s;
+EXTERN struct adc_dev_s *stm32_adcinitialize(int intf, uint8_t *chanlist,
+                                             int nchannels);
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+#endif /* __ASSEMBLY__ */
+
 #endif /* __ARCH_ARM_SRC_STM32_STM32_ADC_H */