HPPASS (High Performance Programmable Analog Sub-System)

General Description

The High Performance Programmable Analog Sub-System (HPPASS) PDL driver provides API to use the High Performance Programmable Analog Sub-System (HPPASS) HW block.

Glossary

• AC - Autonomous Controller, state machine engine for High Performance Programmable Analog Sub-System
• TC - Timer/Counter, the sub-block of the AC
• STT - State Transition Table, the table of state machine states for High Performance Programmable Analog Sub-System, essentially the 'program' for AC.
• CSG - Comparator Slope Generator

Configuration Considerations

In order to start the HPPASS, following functions should be called in order:

• Cy_HPPASS_Init - initializes entire HPPASS block registers, including STT, SAR and CSG. Refer to config struct cy_stc_hppass_cfg_t for details.
• Cy_HPPASS_AC_Start - starts the AC, which starts the HPPASS block operation. Refer to AC (Autonomous Controller) for details.

Note

When using the HPPASS personality in the Device Configurator, the personality includes "Initialize During Startup" checkbox (enabled by default). When enabled, the Cy_HPPASS_Init function will be called inside of the init_cycfg_all() function.

More Information

For more information on the HPPASS peripheral, refer to the technical reference manual (TRM).

Changelog

Version	Changes	Reason for Change
1.30.1	Updated CSG documentation.	Documentation enhancement.
1.30	Added Cy_HPPASS_SAR_CrossTalkAdjust function.	Driver enhancement.
	Documentation update.	Documentation enhancement.
1.20	Updated Cy_HPPASS_SAR_SetTempSensorCurrent function interface.	Usability improvement.
	Updated Cy_HPPASS_TEMP_Calc function input parameters range check.	Defect fixing.
	Documentation update.	Documentation enhancement.
1.10	Added personality DRCs.	Defect fixing.
	Fixed offset calculation for Cy_HPPASS_SAR_CountsTo_Volts function.	Defect fixing.
	Added Cy_HPPASS_SetFwTriggerPulse, Cy_HPPASS_SetFwTriggerLevel, and Cy_HPPASS_ClearFwTriggerLevel functions.	Driver enhancement.
	Documentation update.	Documentation enhancement.
1.0	Initial version.

API Reference
	Common
	AC (Autonomous Controller)
	This driver provides API functions to configure, manage and interact with the Autonomous Controller (AC) subsystem within High Performance Programmable Analog Sub-System (HPPASS).
	CSG (Comparator Slope Generator)
	This driver provides API functions to configure the Comparator Slope Generator within High Power Programmable Analog Sub-System.
	SAR (Successive-Approximation Register Analogue to Digital Converter)
	This driver provides API functions to configure the SAR ADC subsystem within High Power Programmable Analog Sub-System.