OPAMPEMLIB
Detailed Description
Operational Amplifier (OPAMP) peripheral API.
This module contains functions to:
- OPAMP_Enable() Configure and enable an opamp.
- OPAMP_Disable() Disable an opamp.
All OPAMP functions assume that the VDAC clock is running. If the VDAC is not used, the clock can be turned off when the opamp's are configured.
If the available gain values dont suit the application at hand, the resistor ladders can be disabled and external gain programming resistors used.
A number of predefined opamp setup macros are available for configuration of the most common opamp topologies (see figures below).
- Note
- The terms POSPAD and NEGPAD in the figures are used to indicate that these pads should be connected to a suitable signal ground.
Unity gain voltage follower.
Use predefined macro OPA_INIT_UNITY_GAIN.
|\ ___________|+\ | \_______ ___|_ / | | | / | | |/ | |___________|
Non-inverting amplifier.
Use predefined macro OPA_INIT_NON_INVERTING.
|\ ___________|+\ | \_______ ___|_ / | | | / | | |/ | |_____R2____| | R1 | NEGPAD
Inverting amplifier.
Use predefined macro OPA_INIT_INVERTING.
_____R2____ | | | |\ | ____R1_|___|_\ | | \____|___ ___| / | |+/ | |/ | POSPAD
Cascaded non-inverting amplifiers.
Use predefined macros OPA_INIT_CASCADED_NON_INVERTING_OPA0, OPA_INIT_CASCADED_NON_INVERTING_OPA1 and OPA_INIT_CASCADED_NON_INVERTING_OPA2.
|\ |\ |\ ___________|+\ OPA0 ___________|+\ OPA1 ___________|+\ OPA2 | \_________| | \_________| | \_______ ___|_ / | ___|_ / | ___|_ / | | | / | | | / | | | / | | |/ | | |/ | | |/ | |_____R2____| |_____R2____| |_____R2____| | | | R1 R1 R1 | | | NEGPAD NEGPAD NEGPAD
Cascaded inverting amplifiers.
Use predefined macros OPA_INIT_CASCADED_INVERTING_OPA0, OPA_INIT_CASCADED_INVERTING_OPA1 and OPA_INIT_CASCADED_INVERTING_OPA2.
_____R2____ _____R2____ _____R2____ | | | | | | | |\ | | |\ | | |\ | ____R1_|___|_\ | ____R1_|___|_\ | ____R1_|___|_\ | | \____|____| | \____|___| | \____|__ ___| / ___| / ___| / | |+/ OPA0 | |+/ OPA1 | |+/ OPA2 | |/ | |/ | |/ | | | POSPAD POSPAD POSPAD
Differential driver with two opamp's.
Use predefined macros OPA_INIT_DIFF_DRIVER_OPA0 and OPA_INIT_DIFF_DRIVER_OPA1.
__________________________ | + | _____R2____ |\ | | | ___________|+\ OPA0 | | |\ OPA1 | | \_________|____R1_|___|_\ | _ ___|_ / | | \____|______ | | / | ___| / | |/ | | |+/ |________________| | |/ | POSPAD
Differential receiver with three opamp's.
Use predefined macros OPA_INIT_DIFF_RECEIVER_OPA0, OPA_INIT_DIFF_RECEIVER_OPA1 and OPA_INIT_DIFF_RECEIVER_OPA2.
|\ __________|+\ OPA1 _ | \_________ ___|_ / | | _____R2____ | | / | | | | | |/ | | | |\ | |___________| |____R1_|___|_\ | | \____|___ |\ ____R1_ ___| / +__________|+\ OPA0 | | |+/ OPA2 | \_________| | |/ ___|_ / | R2 | | / | | | |/ | NEGPAD OPA0 |___________|
Instrumentation amplifier.
Use predefined macros OPA_INIT_INSTR_AMP_OPA0 and OPA_INIT_INSTR_AMP_OPA1.
|\ __________|+\ OPA1 | \______________ ___|_ / | | | / | | |/ R2 |____________| | R1 | R1 ____________| | | | R2 | |\ | |___|+\ OPA0 | | \_____|________ __________|_ / | / |/
Data Structures | |
struct | OPAMP_Init_TypeDef |
Macros | |
#define | OPA_INIT_CASCADED_INVERTING_OPA0 |
#define | OPA_INIT_CASCADED_INVERTING_OPA1 |
#define | OPA_INIT_CASCADED_INVERTING_OPA2 |
#define | OPA_INIT_CASCADED_NON_INVERTING_OPA0 |
#define | OPA_INIT_CASCADED_NON_INVERTING_OPA1 |
#define | OPA_INIT_CASCADED_NON_INVERTING_OPA2 |
#define | OPA_INIT_DIFF_DRIVER_OPA0 |
#define | OPA_INIT_DIFF_DRIVER_OPA1 |
#define | OPA_INIT_DIFF_RECEIVER_OPA0 |
#define | OPA_INIT_DIFF_RECEIVER_OPA1 |
#define | OPA_INIT_DIFF_RECEIVER_OPA2 |
#define | OPA_INIT_INSTR_AMP_OPA0 |
#define | OPA_INIT_INSTR_AMP_OPA1 |
#define | OPA_INIT_INVERTING |
#define | OPA_INIT_NON_INVERTING |
#define | OPA_INIT_UNITY_GAIN |
Enumerations | |
enum | OPAMP_DrvStr_Typedef { opaDrvStrDefault = VDAC_OPA_CTRL_DRIVESTRENGTH_DEFAULT, opaDrvStrLowerAccLowStr = (0 << _VDAC_OPA_CTRL_DRIVESTRENGTH_SHIFT), opaDrvStrLowAccLowStr = (1 << _VDAC_OPA_CTRL_DRIVESTRENGTH_SHIFT), opaDrvStrHighAccHighStr = (2 << _VDAC_OPA_CTRL_DRIVESTRENGTH_SHIFT), opaDrvStrHigherAccHighStr = (3 << _VDAC_OPA_CTRL_DRIVESTRENGTH_SHIFT) } |
enum | OPAMP_NegSel_TypeDef { opaNegSelAPORT1YCH1 = VDAC_OPA_MUX_NEGSEL_APORT1YCH1, opaNegSelAPORT1YCH3 = VDAC_OPA_MUX_NEGSEL_APORT1YCH3, opaNegSelAPORT1YCH5 = VDAC_OPA_MUX_NEGSEL_APORT1YCH5, opaNegSelAPORT1YCH7 = VDAC_OPA_MUX_NEGSEL_APORT1YCH7, opaNegSelAPORT1YCH9 = VDAC_OPA_MUX_NEGSEL_APORT1YCH9, opaNegSelAPORT1YCH11 = VDAC_OPA_MUX_NEGSEL_APORT1YCH11, opaNegSelAPORT1YCH13 = VDAC_OPA_MUX_NEGSEL_APORT1YCH13, opaNegSelAPORT1YCH15 = VDAC_OPA_MUX_NEGSEL_APORT1YCH15, opaNegSelAPORT1YCH17 = VDAC_OPA_MUX_NEGSEL_APORT1YCH17, opaNegSelAPORT1YCH19 = VDAC_OPA_MUX_NEGSEL_APORT1YCH19, opaNegSelAPORT1YCH21 = VDAC_OPA_MUX_NEGSEL_APORT1YCH21, opaNegSelAPORT1YCH23 = VDAC_OPA_MUX_NEGSEL_APORT1YCH23, opaNegSelAPORT1YCH25 = VDAC_OPA_MUX_NEGSEL_APORT1YCH25, opaNegSelAPORT1YCH27 = VDAC_OPA_MUX_NEGSEL_APORT1YCH27, opaNegSelAPORT1YCH29 = VDAC_OPA_MUX_NEGSEL_APORT1YCH29, opaNegSelAPORT1YCH31 = VDAC_OPA_MUX_NEGSEL_APORT1YCH31, opaNegSelAPORT2YCH0 = VDAC_OPA_MUX_NEGSEL_APORT2YCH0, opaNegSelAPORT2YCH2 = VDAC_OPA_MUX_NEGSEL_APORT2YCH2, opaNegSelAPORT2YCH4 = VDAC_OPA_MUX_NEGSEL_APORT2YCH4, opaNegSelAPORT2YCH6 = VDAC_OPA_MUX_NEGSEL_APORT2YCH6, opaNegSelAPORT2YCH8 = VDAC_OPA_MUX_NEGSEL_APORT2YCH8, opaNegSelAPORT2YCH10 = VDAC_OPA_MUX_NEGSEL_APORT2YCH10, opaNegSelAPORT2YCH12 = VDAC_OPA_MUX_NEGSEL_APORT2YCH12, opaNegSelAPORT2YCH14 = VDAC_OPA_MUX_NEGSEL_APORT2YCH14, opaNegSelAPORT2YCH16 = VDAC_OPA_MUX_NEGSEL_APORT2YCH16, opaNegSelAPORT2YCH18 = VDAC_OPA_MUX_NEGSEL_APORT2YCH18, opaNegSelAPORT2YCH20 = VDAC_OPA_MUX_NEGSEL_APORT2YCH20, opaNegSelAPORT2YCH22 = VDAC_OPA_MUX_NEGSEL_APORT2YCH22, opaNegSelAPORT2YCH24 = VDAC_OPA_MUX_NEGSEL_APORT2YCH24, opaNegSelAPORT2YCH26 = VDAC_OPA_MUX_NEGSEL_APORT2YCH26, opaNegSelAPORT2YCH28 = VDAC_OPA_MUX_NEGSEL_APORT2YCH28, opaNegSelAPORT2YCH30 = VDAC_OPA_MUX_NEGSEL_APORT2YCH30, opaNegSelAPORT3YCH1 = VDAC_OPA_MUX_NEGSEL_APORT3YCH1, opaNegSelAPORT3YCH3 = VDAC_OPA_MUX_NEGSEL_APORT3YCH3, opaNegSelAPORT3YCH5 = VDAC_OPA_MUX_NEGSEL_APORT3YCH5, opaNegSelAPORT3YCH7 = VDAC_OPA_MUX_NEGSEL_APORT3YCH7, opaNegSelAPORT3YCH9 = VDAC_OPA_MUX_NEGSEL_APORT3YCH9, opaNegSelAPORT3YCH11 = VDAC_OPA_MUX_NEGSEL_APORT3YCH11, opaNegSelAPORT3YCH13 = VDAC_OPA_MUX_NEGSEL_APORT3YCH13, opaNegSelAPORT3YCH15 = VDAC_OPA_MUX_NEGSEL_APORT3YCH15, opaNegSelAPORT3YCH17 = VDAC_OPA_MUX_NEGSEL_APORT3YCH17, opaNegSelAPORT3YCH19 = VDAC_OPA_MUX_NEGSEL_APORT3YCH19, opaNegSelAPORT3YCH21 = VDAC_OPA_MUX_NEGSEL_APORT3YCH21, opaNegSelAPORT3YCH23 = VDAC_OPA_MUX_NEGSEL_APORT3YCH23, opaNegSelAPORT3YCH25 = VDAC_OPA_MUX_NEGSEL_APORT3YCH25, opaNegSelAPORT3YCH27 = VDAC_OPA_MUX_NEGSEL_APORT3YCH27, opaNegSelAPORT3YCH29 = VDAC_OPA_MUX_NEGSEL_APORT3YCH29, opaNegSelAPORT3YCH31 = VDAC_OPA_MUX_NEGSEL_APORT3YCH31, opaNegSelAPORT4YCH0 = VDAC_OPA_MUX_NEGSEL_APORT4YCH0, opaNegSelAPORT4YCH2 = VDAC_OPA_MUX_NEGSEL_APORT4YCH2, opaNegSelAPORT4YCH4 = VDAC_OPA_MUX_NEGSEL_APORT4YCH4, opaNegSelAPORT4YCH6 = VDAC_OPA_MUX_NEGSEL_APORT4YCH6, opaNegSelAPORT4YCH8 = VDAC_OPA_MUX_NEGSEL_APORT4YCH8, opaNegSelAPORT4YCH10 = VDAC_OPA_MUX_NEGSEL_APORT4YCH10, opaNegSelAPORT4YCH12 = VDAC_OPA_MUX_NEGSEL_APORT4YCH12, opaNegSelAPORT4YCH14 = VDAC_OPA_MUX_NEGSEL_APORT4YCH14, opaNegSelAPORT4YCH16 = VDAC_OPA_MUX_NEGSEL_APORT4YCH16, opaNegSelAPORT4YCH18 = VDAC_OPA_MUX_NEGSEL_APORT4YCH18, opaNegSelAPORT4YCH20 = VDAC_OPA_MUX_NEGSEL_APORT4YCH20, opaNegSelAPORT4YCH22 = VDAC_OPA_MUX_NEGSEL_APORT4YCH22, opaNegSelAPORT4YCH24 = VDAC_OPA_MUX_NEGSEL_APORT4YCH24, opaNegSelAPORT4YCH26 = VDAC_OPA_MUX_NEGSEL_APORT4YCH26, opaNegSelAPORT4YCH28 = VDAC_OPA_MUX_NEGSEL_APORT4YCH28, opaNegSelAPORT4YCH30 = VDAC_OPA_MUX_NEGSEL_APORT4YCH30, opaNegSelDisable = VDAC_OPA_MUX_NEGSEL_DISABLE, opaNegSelUnityGain = VDAC_OPA_MUX_NEGSEL_UG, opaNegSelResTap = VDAC_OPA_MUX_NEGSEL_OPATAP, opaNegSelNegPad = VDAC_OPA_MUX_NEGSEL_NEGPAD } |
enum | OPAMP_OutMode_TypeDef { opaOutModeDisable = 0, opaOutModeMain = VDAC_OPA_OUT_MAINOUTEN, opaOutModeAlt = VDAC_OPA_OUT_ALTOUTEN, opaOutModeAll = VDAC_OPA_OUT_SHORT, opaOutModeAPORT1YCH1 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH1), opaOutModeAPORT1YCH3 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH3), opaOutModeAPORT1YCH5 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH5), opaOutModeAPORT1YCH7 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH7), opaOutModeAPORT1YCH9 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH9), opaOutModeAPORT1YCH11 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH11), opaOutModeAPORT1YCH13 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH13), opaOutModeAPORT1YCH15 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH15), opaOutModeAPORT1YCH17 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH17), opaOutModeAPORT1YCH19 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH19), opaOutModeAPORT1YCH21 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH21), opaOutModeAPORT1YCH23 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH23), opaOutModeAPORT1YCH25 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH25), opaOutModeAPORT1YCH27 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH27), opaOutModeAPORT1YCH29 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH29), opaOutModeAPORT1YCH31 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT1YCH31), opaOutModeAPORT2YCH0 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH0), opaOutModeAPORT2YCH2 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH2), opaOutModeAPORT2YCH4 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH4), opaOutModeAPORT2YCH6 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH6), opaOutModeAPORT2YCH8 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH8), opaOutModeAPORT2YCH10 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH10), opaOutModeAPORT2YCH12 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH12), opaOutModeAPORT2YCH14 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH14), opaOutModeAPORT2YCH16 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH16), opaOutModeAPORT2YCH18 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH18), opaOutModeAPORT2YCH20 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH20), opaOutModeAPORT2YCH22 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH22), opaOutModeAPORT2YCH24 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH24), opaOutModeAPORT2YCH26 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH26), opaOutModeAPORT2YCH28 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH28), opaOutModeAPORT2YCH30 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT2YCH30), opaOutModeAPORT3YCH1 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH1), opaOutModeAPORT3YCH3 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH3), opaOutModeAPORT3YCH5 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH5), opaOutModeAPORT3YCH7 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH7), opaOutModeAPORT3YCH9 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH9), opaOutModeAPORT3YCH11 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH11), opaOutModeAPORT3YCH13 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH13), opaOutModeAPORT3YCH15 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH15), opaOutModeAPORT3YCH17 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH17), opaOutModeAPORT3YCH19 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH19), opaOutModeAPORT3YCH21 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH21), opaOutModeAPORT3YCH23 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH23), opaOutModeAPORT3YCH25 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH25), opaOutModeAPORT3YCH27 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH27), opaOutModeAPORT3YCH29 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH29), opaOutModeAPORT3YCH31 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT3YCH31), opaOutModeAPORT4YCH0 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH0), opaOutModeAPORT4YCH2 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH2), opaOutModeAPORT4YCH4 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH4), opaOutModeAPORT4YCH6 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH6), opaOutModeAPORT4YCH8 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH8), opaOutModeAPORT4YCH10 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH10), opaOutModeAPORT4YCH12 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH12), opaOutModeAPORT4YCH14 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH14), opaOutModeAPORT4YCH16 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH16), opaOutModeAPORT4YCH18 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH18), opaOutModeAPORT4YCH20 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH20), opaOutModeAPORT4YCH22 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH22), opaOutModeAPORT4YCH24 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH24), opaOutModeAPORT4YCH26 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH26), opaOutModeAPORT4YCH28 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH28), opaOutModeAPORT4YCH30 = (VDAC_OPA_OUT_APORTOUTEN | VDAC_OPA_OUT_APORTOUTSEL_APORT4YCH30) } |
enum | OPAMP_OutScale_Typedef { opaOutScaleDefault = VDAC_OPA_CTRL_OUTSCALE_DEFAULT, opaOutScaleFull = VDAC_OPA_CTRL_OUTSCALE_FULL, opaOutSacleHalf = VDAC_OPA_CTRL_OUTSCALE_HALF } |
enum | OPAMP_PosSel_TypeDef { opaPosSelAPORT1XCH0 = VDAC_OPA_MUX_POSSEL_APORT1XCH0, opaPosSelAPORT1XCH2 = VDAC_OPA_MUX_POSSEL_APORT1XCH2, opaPosSelAPORT1XCH4 = VDAC_OPA_MUX_POSSEL_APORT1XCH4, opaPosSelAPORT1XCH6 = VDAC_OPA_MUX_POSSEL_APORT1XCH6, opaPosSelAPORT1XCH8 = VDAC_OPA_MUX_POSSEL_APORT1XCH8, opaPosSelAPORT1XCH10 = VDAC_OPA_MUX_POSSEL_APORT1XCH10, opaPosSelAPORT1XCH12 = VDAC_OPA_MUX_POSSEL_APORT1XCH12, opaPosSelAPORT1XCH14 = VDAC_OPA_MUX_POSSEL_APORT1XCH14, opaPosSelAPORT1XCH16 = VDAC_OPA_MUX_POSSEL_APORT1XCH16, opaPosSelAPORT1XCH18 = VDAC_OPA_MUX_POSSEL_APORT1XCH18, opaPosSelAPORT1XCH20 = VDAC_OPA_MUX_POSSEL_APORT1XCH20, opaPosSelAPORT1XCH22 = VDAC_OPA_MUX_POSSEL_APORT1XCH22, opaPosSelAPORT1XCH24 = VDAC_OPA_MUX_POSSEL_APORT1XCH24, opaPosSelAPORT1XCH26 = VDAC_OPA_MUX_POSSEL_APORT1XCH26, opaPosSelAPORT1XCH28 = VDAC_OPA_MUX_POSSEL_APORT1XCH28, opaPosSelAPORT1XCH30 = VDAC_OPA_MUX_POSSEL_APORT1XCH30, opaPosSelAPORT2XCH1 = VDAC_OPA_MUX_POSSEL_APORT2XCH1, opaPosSelAPORT2XCH3 = VDAC_OPA_MUX_POSSEL_APORT2XCH3, opaPosSelAPORT2XCH5 = VDAC_OPA_MUX_POSSEL_APORT2XCH5, opaPosSelAPORT2XCH7 = VDAC_OPA_MUX_POSSEL_APORT2XCH7, opaPosSelAPORT2XCH9 = VDAC_OPA_MUX_POSSEL_APORT2XCH9, opaPosSelAPORT2XCH11 = VDAC_OPA_MUX_POSSEL_APORT2XCH11, opaPosSelAPORT2XCH13 = VDAC_OPA_MUX_POSSEL_APORT2XCH13, opaPosSelAPORT2XCH15 = VDAC_OPA_MUX_POSSEL_APORT2XCH15, opaPosSelAPORT2XCH17 = VDAC_OPA_MUX_POSSEL_APORT2XCH17, opaPosSelAPORT2XCH19 = VDAC_OPA_MUX_POSSEL_APORT2XCH19, opaPosSelAPORT2XCH21 = VDAC_OPA_MUX_POSSEL_APORT2XCH21, opaPosSelAPORT2XCH23 = VDAC_OPA_MUX_POSSEL_APORT2XCH23, opaPosSelAPORT2XCH25 = VDAC_OPA_MUX_POSSEL_APORT2XCH25, opaPosSelAPORT2XCH27 = VDAC_OPA_MUX_POSSEL_APORT2XCH27, opaPosSelAPORT2XCH29 = VDAC_OPA_MUX_POSSEL_APORT2XCH29, opaPosSelAPORT2XCH31 = VDAC_OPA_MUX_POSSEL_APORT2XCH31, opaPosSelAPORT3XCH0 = VDAC_OPA_MUX_POSSEL_APORT3XCH0, opaPosSelAPORT3XCH2 = VDAC_OPA_MUX_POSSEL_APORT3XCH2, opaPosSelAPORT3XCH4 = VDAC_OPA_MUX_POSSEL_APORT3XCH4, opaPosSelAPORT3XCH6 = VDAC_OPA_MUX_POSSEL_APORT3XCH6, opaPosSelAPORT3XCH8 = VDAC_OPA_MUX_POSSEL_APORT3XCH8, opaPosSelAPORT3XCH10 = VDAC_OPA_MUX_POSSEL_APORT3XCH10, opaPosSelAPORT3XCH12 = VDAC_OPA_MUX_POSSEL_APORT3XCH12, opaPosSelAPORT3XCH14 = VDAC_OPA_MUX_POSSEL_APORT3XCH14, opaPosSelAPORT3XCH16 = VDAC_OPA_MUX_POSSEL_APORT3XCH16, opaPosSelAPORT3XCH18 = VDAC_OPA_MUX_POSSEL_APORT3XCH18, opaPosSelAPORT3XCH20 = VDAC_OPA_MUX_POSSEL_APORT3XCH20, opaPosSelAPORT3XCH22 = VDAC_OPA_MUX_POSSEL_APORT3XCH22, opaPosSelAPORT3XCH24 = VDAC_OPA_MUX_POSSEL_APORT3XCH24, opaPosSelAPORT3XCH26 = VDAC_OPA_MUX_POSSEL_APORT3XCH26, opaPosSelAPORT3XCH28 = VDAC_OPA_MUX_POSSEL_APORT3XCH28, opaPosSelAPORT3XCH30 = VDAC_OPA_MUX_POSSEL_APORT3XCH30, opaPosSelAPORT4XCH1 = VDAC_OPA_MUX_POSSEL_APORT4XCH1, opaPosSelAPORT4XCH3 = VDAC_OPA_MUX_POSSEL_APORT4XCH3, opaPosSelAPORT4XCH5 = VDAC_OPA_MUX_POSSEL_APORT4XCH5, opaPosSelAPORT4XCH7 = VDAC_OPA_MUX_POSSEL_APORT4XCH7, opaPosSelAPORT4XCH9 = VDAC_OPA_MUX_POSSEL_APORT4XCH9, opaPosSelAPORT4XCH11 = VDAC_OPA_MUX_POSSEL_APORT4XCH11, opaPosSelAPORT4XCH13 = VDAC_OPA_MUX_POSSEL_APORT4XCH13, opaPosSelAPORT4XCH15 = VDAC_OPA_MUX_POSSEL_APORT4XCH15, opaPosSelAPORT4XCH17 = VDAC_OPA_MUX_POSSEL_APORT4XCH17, opaPosSelAPORT4XCH19 = VDAC_OPA_MUX_POSSEL_APORT4XCH19, opaPosSelAPORT4XCH21 = VDAC_OPA_MUX_POSSEL_APORT4XCH21, opaPosSelAPORT4XCH23 = VDAC_OPA_MUX_POSSEL_APORT4XCH23, opaPosSelAPORT4XCH25 = VDAC_OPA_MUX_POSSEL_APORT4XCH25, opaPosSelAPORT4XCH27 = VDAC_OPA_MUX_POSSEL_APORT4XCH27, opaPosSelAPORT4XCH29 = VDAC_OPA_MUX_POSSEL_APORT4XCH29, opaPosSelAPORT4XCH31 = VDAC_OPA_MUX_POSSEL_APORT4XCH31, opaPosSelDisable = VDAC_OPA_MUX_POSSEL_DISABLE, opaPosSelDac = VDAC_OPA_MUX_POSSEL_DAC, opaPosSelPosPad = VDAC_OPA_MUX_POSSEL_POSPAD, opaPosSelOpaIn = VDAC_OPA_MUX_POSSEL_OPANEXT, opaPosSelResTap = VDAC_OPA_MUX_POSSEL_OPATAP } |
enum | OPAMP_PrsMode_TypeDef { opaPrsModeDefault = VDAC_OPA_CTRL_PRSMODE_DEFAULT, opaPrsModePulsed = VDAC_OPA_CTRL_PRSMODE_PULSED, opaPrsModeTimed = VDAC_OPA_CTRL_PRSMODE_TIMED } |
enum | OPAMP_PrsOut_TypeDef { opaPrsOutDefault = VDAC_OPA_CTRL_PRSOUTMODE_DEFAULT, opaPrsOutWarm = VDAC_OPA_CTRL_PRSOUTMODE_WARM, opaPrsOutOutValid = VDAC_OPA_CTRL_PRSOUTMODE_OUTVALID } |
enum | OPAMP_PrsSel_TypeDef { opaPrsSelDefault = VDAC_OPA_CTRL_PRSSEL_DEFAULT, opaPrsSelCh0 = VDAC_OPA_CTRL_PRSSEL_PRSCH0, opaPrsSelCh1 = VDAC_OPA_CTRL_PRSSEL_PRSCH1, opaPrsSelCh2 = VDAC_OPA_CTRL_PRSSEL_PRSCH2, opaPrsSelCh3 = VDAC_OPA_CTRL_PRSSEL_PRSCH3, opaPrsSelCh4 = VDAC_OPA_CTRL_PRSSEL_PRSCH4, opaPrsSelCh5 = VDAC_OPA_CTRL_PRSSEL_PRSCH5, opaPrsSelCh6 = VDAC_OPA_CTRL_PRSSEL_PRSCH6, opaPrsSelCh7 = VDAC_OPA_CTRL_PRSSEL_PRSCH7, opaPrsSelCh8 = VDAC_OPA_CTRL_PRSSEL_PRSCH8, opaPrsSelCh9 = VDAC_OPA_CTRL_PRSSEL_PRSCH9, opaPrsSelCh10 = VDAC_OPA_CTRL_PRSSEL_PRSCH10, opaPrsSelCh11 = VDAC_OPA_CTRL_PRSSEL_PRSCH11 } |
enum | OPAMP_ResInMux_TypeDef { opaResInMuxDisable = VDAC_OPA_MUX_RESINMUX_DISABLE, opaResInMuxOpaIn = VDAC_OPA_MUX_RESINMUX_OPANEXT, opaResInMuxNegPad = VDAC_OPA_MUX_RESINMUX_NEGPAD, opaResInMuxPosPad = VDAC_OPA_MUX_RESINMUX_POSPAD, opaResInMuxComPad = VDAC_OPA_MUX_RESINMUX_COMPAD, opaResInMuxCenter = VDAC_OPA_MUX_RESINMUX_CENTER, opaResInMuxVss = VDAC_OPA_MUX_RESINMUX_VSS } |
enum | OPAMP_ResSel_TypeDef { opaResSelDefault = VDAC_OPA_MUX_RESSEL_DEFAULT, opaResSelR2eq0_33R1 = VDAC_OPA_MUX_RESSEL_RES0, opaResSelR2eqR1 = VDAC_OPA_MUX_RESSEL_RES1, opaResSelR1eq1_67R1 = VDAC_OPA_MUX_RESSEL_RES2, opaResSelR2eq2_2R1 = VDAC_OPA_MUX_RESSEL_RES3, opaResSelR2eq3R1 = VDAC_OPA_MUX_RESSEL_RES4, opaResSelR2eq4_33R1 = VDAC_OPA_MUX_RESSEL_RES5, opaResSelR2eq7R1 = VDAC_OPA_MUX_RESSEL_RES6, opaResSelR2eq15R1 = VDAC_OPA_MUX_RESSEL_RES7 } |
enum | OPAMP_TypeDef { OPA0 = 0, OPA1 = 1, OPA2 = 2 } |
Functions | |
void | OPAMP_Disable (VDAC_TypeDef *dac, OPAMP_TypeDef opa) |
Disable an Operational Amplifier. | |
void | OPAMP_Enable (VDAC_TypeDef *dac, OPAMP_TypeDef opa, const OPAMP_Init_TypeDef *init) |
Configure and enable an Operational Amplifier. | |
Macro Definition Documentation
#define OPA_INIT_CASCADED_INVERTING_OPA0 |
Configuration of OPA0 in cascaded inverting amplifier mode.
Definition at line 1070
of file em_opamp.h
.
#define OPA_INIT_CASCADED_INVERTING_OPA1 |
Configuration of OPA1 in cascaded inverting amplifier mode.
Definition at line 1098
of file em_opamp.h
.
#define OPA_INIT_CASCADED_INVERTING_OPA2 |
Configuration of OPA2 in cascaded inverting amplifier mode.
Definition at line 1126
of file em_opamp.h
.
#define OPA_INIT_CASCADED_NON_INVERTING_OPA0 |
Configuration of OPA0 in cascaded non-inverting amplifier mode.
Definition at line 986
of file em_opamp.h
.
#define OPA_INIT_CASCADED_NON_INVERTING_OPA1 |
Configuration of OPA1 in cascaded non-inverting amplifier mode.
Definition at line 1014
of file em_opamp.h
.
#define OPA_INIT_CASCADED_NON_INVERTING_OPA2 |
Configuration of OPA2 in cascaded non-inverting amplifier mode.
Definition at line 1042
of file em_opamp.h
.
#define OPA_INIT_DIFF_DRIVER_OPA0 |
Configuration of OPA0 in two-opamp differential driver mode.
Definition at line 1154
of file em_opamp.h
.
#define OPA_INIT_DIFF_DRIVER_OPA1 |
Configuration of OPA1 in two-opamp differential driver mode.
Definition at line 1182
of file em_opamp.h
.
#define OPA_INIT_DIFF_RECEIVER_OPA0 |
Configuration of OPA0 in three-opamp differential receiver mode.
Definition at line 1210
of file em_opamp.h
.
#define OPA_INIT_DIFF_RECEIVER_OPA1 |
Configuration of OPA1 in three-opamp differential receiver mode.
Definition at line 1238
of file em_opamp.h
.
#define OPA_INIT_DIFF_RECEIVER_OPA2 |
Configuration of OPA2 in three-opamp differential receiver mode.
Definition at line 1266
of file em_opamp.h
.
#define OPA_INIT_INSTR_AMP_OPA0 |
Configuration of OPA0 in two-opamp instrumentation amplifier mode.
Definition at line 1294
of file em_opamp.h
.
#define OPA_INIT_INSTR_AMP_OPA1 |
Configuration of OPA1 in two-opamp instrumentation amplifier mode.
Definition at line 1322
of file em_opamp.h
.
#define OPA_INIT_INVERTING |
Configuration of OPA in inverting amplifier mode.
Definition at line 958
of file em_opamp.h
.
#define OPA_INIT_NON_INVERTING |
Configuration of OPA in non-inverting amplifier mode.
Definition at line 930
of file em_opamp.h
.
#define OPA_INIT_UNITY_GAIN |
Configuration of OPA in unity gain voltage follower mode.
Definition at line 902
of file em_opamp.h
.
Enumeration Type Documentation
enum OPAMP_DrvStr_Typedef |
Definition at line 423
of file em_opamp.h
.
enum OPAMP_NegSel_TypeDef |
OPAMP negative terminal input selection values.
Definition at line 98
of file em_opamp.h
.
OPAMP output terminal selection values.
Definition at line 258
of file em_opamp.h
.
enum OPAMP_PosSel_TypeDef |
OPAMP positive terminal input selection values.
Definition at line 177
of file em_opamp.h
.
Definition at line 383
of file em_opamp.h
.
enum OPAMP_PrsOut_TypeDef |
enum OPAMP_PrsSel_TypeDef |
Definition at line 393
of file em_opamp.h
.
OPAMP resistor ladder input selector values.
Definition at line 362
of file em_opamp.h
.
enum OPAMP_ResSel_TypeDef |
OPAMP gain values.
Definition at line 337
of file em_opamp.h
.
enum OPAMP_TypeDef |
Function Documentation
void OPAMP_Disable | ( | VDAC_TypeDef * | dac, |
OPAMP_TypeDef | opa |
||
) |
Disable an Operational Amplifier.
- Parameters
-
[in] dac
Pointer to VDAC peripheral register block. [in] opa
Selects an OPA, valid vaules are OPA0, OPA1 and OPA2.
Definition at line 260
of file em_opamp.c
.
References OPA0, OPA1, VDAC_CMD_OPA0DIS, VDAC_CMD_OPA1DIS, VDAC_CMD_OPA2DIS, VDAC_STATUS_OPA0ENS, VDAC_STATUS_OPA1ENS, and VDAC_STATUS_OPA2ENS.
Referenced by OPAMP_Enable().
void OPAMP_Enable | ( | VDAC_TypeDef * | dac, |
OPAMP_TypeDef | opa, |
||
const OPAMP_Init_TypeDef * | init |
||
) |
Configure and enable an Operational Amplifier.
- Note
- The value of the alternate output enable bit mask in the OPAMP_Init_TypeDef structure should consist of one or more of the VDAC_OPA_OUT_ALTOUTPADEN_OUT[output#] flags (defined in <part_name>_vdac.h) OR'ed together.
- VDAC_OPA_OUT_ALTOUTPADEN_OUT0
- VDAC_OPA_OUT_ALTOUTPADEN_OUT1
- VDAC_OPA_OUT_ALTOUTPADEN_OUT2
- VDAC_OPA_OUT_ALTOUTPADEN_OUT3
- VDAC_OPA_OUT_ALTOUTPADEN_OUT4
init.outPen = VDAC_OPA_OUT_ALTOUTPADEN_OUT0 | VDAC_OPA_OUT_ALTOUTPADEN_OUT4;
- Parameters
-
[in] dac
Pointer to VDAC peripheral register block. [in] opa
Selects an OPA, valid vaules are OPA0, OPA1 and OPA2. [in] init
Pointer to a structure containing OPAMP init information.
Definition at line 365
of file em_opamp.c
.
References _VDAC_OPA_CAL_MASK, _VDAC_OPA_CAL_OFFSETN_MASK, _VDAC_OPA_CAL_OFFSETN_SHIFT, _VDAC_OPA_CAL_OFFSETP_MASK, _VDAC_OPA_CAL_OFFSETP_SHIFT, _VDAC_OPA_OUT_ALTOUTPADEN_MASK, _VDAC_OPA_TIMER_SETTLETIME_MASK, _VDAC_OPA_TIMER_SETTLETIME_SHIFT, _VDAC_OPA_TIMER_STARTUPDLY_MASK, _VDAC_OPA_TIMER_STARTUPDLY_SHIFT, _VDAC_OPA_TIMER_WARMUPTIME_SHIFT, OPAMP_Init_TypeDef::aportXMasterDisable, OPAMP_Init_TypeDef::aportYMasterDisable, OPAMP_Init_TypeDef::defaultOffsetN, OPAMP_Init_TypeDef::defaultOffsetP, DEVINFO, OPAMP_Init_TypeDef::drvStr, OPAMP_Init_TypeDef::gain3xEn, OPAMP_Init_TypeDef::halfDrvStr, OPAMP_Init_TypeDef::hcmDisable, OPAMP_Init_TypeDef::negSel, OPAMP_Init_TypeDef::offsetN, OPAMP_Init_TypeDef::offsetP, OPA0, OPA1, OPA2, opaDrvStrHighAccHighStr, opaDrvStrHigherAccHighStr, opaDrvStrLowAccLowStr, opaDrvStrLowerAccLowStr, OPAMP_Disable(), opaNegSelResTap, opaPosSelResTap, OPAMP_Init_TypeDef::outMode, OPAMP_Init_TypeDef::outPen, OPAMP_Init_TypeDef::posSel, OPAMP_Init_TypeDef::prsEn, OPAMP_Init_TypeDef::prsMode, OPAMP_Init_TypeDef::prsOutSel, OPAMP_Init_TypeDef::prsSel, OPAMP_Init_TypeDef::resInMux, OPAMP_Init_TypeDef::resSel, OPAMP_Init_TypeDef::settleTime, OPAMP_Init_TypeDef::startupDly, SYSTEM_GetCalibrationValue(), OPAMP_Init_TypeDef::ugBwScale, VDAC_CMD_OPA0EN, VDAC_CMD_OPA1EN, VDAC_CMD_OPA2EN, VDAC_OPA_CTRL_APORTXMASTERDIS, VDAC_OPA_CTRL_APORTYMASTERDIS, VDAC_OPA_CTRL_HCMDIS, VDAC_OPA_CTRL_INCBW, VDAC_OPA_CTRL_OUTSCALE_FULL, VDAC_OPA_CTRL_OUTSCALE_HALF, VDAC_OPA_CTRL_PRSEN, and VDAC_OPA_MUX_GAIN3X.