opamp.h File Reference

SAM Operational Amplifier Controller (OPAMP) Driver.

Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.

#include <compiler.h>
#include <system.h>

Data Structures
struct	opamp0_config
	OPAMP 0 configuration structure. More...
struct	opamp1_config
	OPAMP 1 configuration structure. More...
struct	opamp2_config
	OPAMP 2 configuration structure. More...
struct	opamp_config_common
	OPAMP 0 to 2 common configuration structure. More...

Enumerations
enum	opamp0_neg_mux {   OPAMP0_NEG_MUX_PIN0 = OPAMP_OPAMPCTRL_MUXNEG(0),   OPAMP0_NEG_MUX_TAP0 = OPAMP_OPAMPCTRL_MUXNEG(1),   OPAMP0_NEG_MUX_OUT0 = OPAMP_OPAMPCTRL_MUXNEG(2),   OPAMP0_NEG_MUX_DAC = OPAMP_OPAMPCTRL_MUXNEG(3) }
	Negative input MUX selection configuration enum. More...
enum	opamp0_pos_mux {   OPAMP0_POS_MUX_PIN0 = OPAMP_OPAMPCTRL_MUXPOS(0),   OPAMP0_POS_MUX_TAP0 = OPAMP_OPAMPCTRL_MUXPOS(1),   OPAMP0_POS_MUX_DAC = OPAMP_OPAMPCTRL_MUXPOS(2),   OPAMP0_POS_MUX_GND = OPAMP_OPAMPCTRL_MUXPOS(3) }
	Positive input MUX selection configuration enum. More...
enum	opamp0_res1_mux {   OPAMP0_RES1_MUX_POS_PIN0 = OPAMP_OPAMPCTRL_RES1MUX(0),   OPAMP0_RES1_MUX_NEG_PIN0 = OPAMP_OPAMPCTRL_RES1MUX(1),   OPAMP0_RES1_MUX_DAC = OPAMP_OPAMPCTRL_RES1MUX(2),   OPAMP0_RES1_MUX_GND = OPAMP_OPAMPCTRL_RES1MUX(3) }
	Resistor 1 MUX selection configuration enum. More...
enum	opamp1_neg_mux {   OPAMP1_NEG_MUX_PIN1 = OPAMP_OPAMPCTRL_MUXNEG(0),   OPAMP1_NEG_MUX_TAP1 = OPAMP_OPAMPCTRL_MUXNEG(1),   OPAMP1_NEG_MUX_OUT1 = OPAMP_OPAMPCTRL_MUXNEG(2),   OPAMP1_NEG_MUX_DAC = OPAMP_OPAMPCTRL_MUXNEG(3) }
	Negative input MUX selection configuration enum. More...
enum	opamp1_pos_mux {   OPAMP1_POS_MUX_PIN1 = OPAMP_OPAMPCTRL_MUXPOS(0),   OPAMP1_POS_MUX_TAP1 = OPAMP_OPAMPCTRL_MUXPOS(1),   OPAMP1_POS_MUX_OUT0 = OPAMP_OPAMPCTRL_MUXPOS(2),   OPAMP1_POS_MUX_GND = OPAMP_OPAMPCTRL_MUXPOS(3) }
	Positive input MUX selection configuration enum. More...
enum	opamp1_res1_mux {   OPAMP1_RES1_MUX_POS_PIN0 = OPAMP_OPAMPCTRL_RES1MUX(0),   OPAMP1_RES1_MUX_NEG_PIN0 = OPAMP_OPAMPCTRL_RES1MUX(1),   OPAMP1_RES1_MUX_OUT0 = OPAMP_OPAMPCTRL_RES1MUX(2),   OPAMP1_RES1_MUX_GND = OPAMP_OPAMPCTRL_RES1MUX(3) }
	Resistor 1 MUX selection configuration enum. More...
enum	opamp2_neg_mux {   OPAMP2_NEG_MUX_PIN2 = OPAMP_OPAMPCTRL_MUXNEG(0),   OPAMP2_NEG_MUX_TAP2 = OPAMP_OPAMPCTRL_MUXNEG(1),   OPAMP2_NEG_MUX_OUT2 = OPAMP_OPAMPCTRL_MUXNEG(2),   OPAMP2_NEG_MUX_PIN0 = OPAMP_OPAMPCTRL_MUXNEG(3),   OPAMP2_NEG_MUX_PIN1 = OPAMP_OPAMPCTRL_MUXNEG(4),   OPAMP2_NEG_MUX_DAC = OPAMP_OPAMPCTRL_MUXNEG(5) }
	Negative input MUX selection configuration enum. More...
enum	opamp2_pos_mux {   OPAMP2_POS_MUX_PIN2 = OPAMP_OPAMPCTRL_MUXPOS(0),   OPAMP2_POS_MUX_TAP2 = OPAMP_OPAMPCTRL_MUXPOS(1),   OPAMP2_POS_MUX_OUT1 = OPAMP_OPAMPCTRL_MUXPOS(2),   OPAMP2_POS_MUX_GND = OPAMP_OPAMPCTRL_MUXPOS(3),   OPAMP2_POS_MUX_PIN0 = OPAMP_OPAMPCTRL_MUXPOS(4),   OPAMP2_POS_MUX_PIN1 = OPAMP_OPAMPCTRL_MUXPOS(5),   OPAMP2_POS_MUX_TAP0 = OPAMP_OPAMPCTRL_MUXPOS(6) }
	Positive input MUX selection configuration enum. More...
enum	opamp2_res1_mux {   OPAMP2_RES1_MUX_POS_PIN0 = OPAMP_OPAMPCTRL_RES1MUX(0),   OPAMP2_RES1_MUX_NEG_PIN0 = OPAMP_OPAMPCTRL_RES1MUX(1),   OPAMP2_RES1_MUX_OUT1 = OPAMP_OPAMPCTRL_RES1MUX(2),   OPAMP2_RES1_MUX_GND = OPAMP_OPAMPCTRL_RES1MUX(3) }
	Resistor 1 MUX selection configuration enum. More...
enum	opamp_bias_selection {   OPAMP_BIAS_MODE_0 = OPAMP_OPAMPCTRL_BIAS(0),   OPAMP_BIAS_MODE_1 = OPAMP_OPAMPCTRL_BIAS(1),   OPAMP_BIAS_MODE_2 = OPAMP_OPAMPCTRL_BIAS(2),   OPAMP_BIAS_MODE_3 = OPAMP_OPAMPCTRL_BIAS(3) }
	Bias mode selection MUX configuration enum. More...
enum	opamp_id {   OPAMP_0 = 0,   OPAMP_1 = 1,   OPAMP_2 = 2,   OPAMP_NUM }
	OPAMP ID number enum. More...
enum	opamp_pot_mux {   OPAMP_POT_MUX_14R_2R = OPAMP_OPAMPCTRL_POTMUX(0),   OPAMP_POT_MUX_12R_4R = OPAMP_OPAMPCTRL_POTMUX(1),   OPAMP_POT_MUX_8R_8R = OPAMP_OPAMPCTRL_POTMUX(2),   OPAMP_POT_MUX_6R_10R = OPAMP_OPAMPCTRL_POTMUX(3),   OPAMP_POT_MUX_4R_12R = OPAMP_OPAMPCTRL_POTMUX(4),   OPAMP_POT_MUX_3R_13R = OPAMP_OPAMPCTRL_POTMUX(5),   OPAMP_POT_MUX_2R_14R = OPAMP_OPAMPCTRL_POTMUX(6),   OPAMP_POT_MUX_R_15R = OPAMP_OPAMPCTRL_POTMUX(7) }
	Potentiometer selection MUX configuration enum. More...

Functions
void	opamp0_get_config_defaults (struct opamp0_config *const config)
	Initializes all members of OPAMP0 configuration structure to safe defaults. More...
void	opamp0_set_config (struct opamp0_config *const config)
	Writes OPAMP0 configuration to the hardware module. More...
void	opamp1_get_config_defaults (struct opamp1_config *const config)
	Initializes all members of OPAMP1 configuration structure to safe defaults. More...
void	opamp1_set_config (struct opamp1_config *const config)
	Writes OPAMP1 configuration to the hardware module. More...
void	opamp2_get_config_defaults (struct opamp2_config *const config)
	Initializes all members of OPAMP2 configuration structure to safe defaults. More...
void	opamp2_set_config (struct opamp2_config *const config)
	Writes OPAMP2 configuration to the hardware module. More...
void	opamp_disable (const enum opamp_id number)
	Disables an OPAMP that was previously enabled. More...
void	opamp_enable (const enum opamp_id number)
	Enables an OPAMP that was previously configured. More...
bool	opamp_is_ready (const enum opamp_id number)
	Checks an OPAMP output ready status. More...
static void	opamp_module_disable (void)
	Disables OPAMP module. More...
static void	opamp_module_enable (void)
	Enables OPAMP module. More...
void	opamp_module_init (void)
	Initializes OPAMP module. More...
static void	opamp_module_reset (void)
	Resets OPAMP module. More...
static void	opamp_voltage_doubler_disable (void)
	Disables OPAMP voltage doubler. More...
static void	opamp_voltage_doubler_enable (void)
	Enables OPAMP voltage doubler. More...