ADC driver:

• Identify ADCs by their reg addr instead of their label, as this property is going deprecated in Zephyr.
• Move all low-level calls to adc_core instead of adc_channels.
• Move adc_channels into Data Acquisition.
• Add an ADC stop function.
• ADC driver module self-manages ADC init.

zephyr/modules/owntech_adc_driver/zephyr/public_api/adc.c

@@ -51,14 +51,10 @@ static bool         enable_dma[NUMBER_OF_ADCS]             = {false};
 
 static uint32_t     enabled_channels[NUMBER_OF_ADCS][NUMBER_OF_CHANNELS_PER_ADC] = {0};
 
+
 /////
 // Public API
 
-void adc_init()
-{
-	adc_core_init();
-}
-
 void adc_configure_trigger_source(uint8_t adc_number, adc_ev_src_t trigger_source)
 {
 	if ( (adc_number == 0) || (adc_number > NUMBER_OF_ADCS) )
@@ -125,7 +121,30 @@ void adc_configure_use_dma(uint8_t adc_number, bool use_dma)
 void adc_start()
 {
 	/////
-	// Configure ADCs
+	// Initialize ADCs
+
+	adc_core_init();
+
+	/////
+	// Pre-enable configuration
+
+	// Nothing here for now.
+
+	// If some channels have to be set as differential,
+	// or ADCs have to be set as dual mode,
+	// this shoud be done here.
+
+	/////
+	// Enable ADCs
+
+	for (int i = 1 ; i <= NUMBER_OF_ADCS ; i++)
+	{
+		adc_core_enable(i);
+	}
+
+	/////
+	// Post-enable configuration
+
 	for (uint8_t adc_num = 1 ; adc_num <= NUMBER_OF_ADCS ; adc_num++)
 	{
 		uint8_t adc_index = adc_num-1;
@@ -215,7 +234,7 @@ void adc_stop()
 	}
 }
 
-void adc_software_trigger_conversion(uint8_t adc_number)
+void adc_trigger_software_conversion(uint8_t adc_number)
 {
 	adc_core_start(adc_number, 1);
 }