hpm_opamp_drv.h File Reference

#include "hpm_common.h"
#include "hpm_opamp_regs.h"
#include "hpm_soc_feature.h"

Go to the source code of this file.

Data Structures
union	opamp_cfg_preset0
	opamp configuration preset0 More...
union	opamp_cfg_preset1
	opamp configuration preset1 More...
struct	opamp_cfg

Macros
#define	OPAMP_MODE_FOLLOW_KEY   (0x06)
#define	OPAMP_MODE_INVERT_INDEX0_KEY   (0x08)
#define	OPAMP_MODE_INVERT_INDEX1_KEY   (0x18)
#define	OPAMP_MODE_NON_INVERT_INDEX0_KEY   (0x01)
#define	OPAMP_MODE_NON_INVERT_INDEX1_KEY   (0x09)
#define	OPAMP_MODE_NON_INVERT_INDEX2_KEY   (0x11)
#define	OPAMP_MODE_NON_INVERT_INDEX3_KEY   (0x19)
#define	OPAMP_MODE_NON_INVERT_INDEX4_KEY   (0x09)
#define	OPAMP_MODE_USER_DEFINE_KEY   (0x04)

Typedefs
typedef union opamp_cfg_preset0	opamp_ctrl_cfg_preset0_t
	opamp configuration preset0 More...
typedef union opamp_cfg_preset1	opamp_ctrl_cfg_preset1_t
	opamp configuration preset1 More...
typedef struct opamp_cfg	opamp_cfg_t

Enumerations
enum	opamp_inm_pad_t {   inm_pad_vim0 = 0 , inm_pad_vim1 = 1 , inm_pad_vim2 = 2 , inm_pad_vim3 = 3 ,   inm_pad_floating = 4 }
	Reverse Input Pin Selection. More...
enum	opamp_gain_t {   gain_x_2 = 0 , gain_x_4 = 1 , gain_x_8 = 2 , gain_x_16 = 3 ,   gain_x_32 = 4 , gain_x_64 = 5 , gain_x_128 = 6 }
	Gain multiplier selection. More...
enum	opamp_miller_cap_t {   miller_cap_x_7 = 0 , miller_cap_x_8 = 1 , miller_cap_x_10 = 2 , miller_cap_x_13 = 3 ,   miller_cap_x_15 = 4 , miller_cap_x_18 = 5 , miller_cap_x_5 = 6 , miller_cap_x_6 = 7 }
	Miller Capacitor Selection. More...
enum	opamp_inp_pad_t {   inp_pad_vip0 = 0 , inp_pad_vip1 = 1 , inp_pad_vip2 = 2 , inp_pad_vip3 = 3 ,   inp_pad_vsupply_x_0_25 = 4 , inp_pad_vsupply_x_0_5 = 5 , inp_pad_vsupply_x_0_75 = 6 , inp_pad_floating = 7 }
	Positive Input Pin Selection. More...
enum	opamp_cfg_preset_chn_t {   cfg_preset_0 = OPAMP_CFG_PRESET0 , cfg_preset_1 = OPAMP_CFG_PRESET1 , cfg_preset_2 = OPAMP_CFG_PRESET2 , cfg_preset_3 = OPAMP_CFG_PRESET3 ,   cfg_preset_4 = OPAMP_CFG_PRESET4 , cfg_preset_5 = OPAMP_CFG_PRESET5 , cfg_preset_6 = OPAMP_CFG_PRESET6 , cfg_preset_7 = OPAMP_CFG_PRESET7 }
	opamp preset channel More...
enum	opamp_mode_t {   mode_follow = 0 , mode_invert_intern_vol = 1 , mode_invert_extern_vol = 2 , mode_invert_dac_vol = 3 ,   mode_non_invert_gnd_vol = 4 , mode_non_invert_extern_vol = 5 , mode_non_invert_dac_vol = 6 , mode_user = 7 }
	operational amplifier More...

Functions
hpm_stat_t	opamp_init (OPAMP_Type *opamp, opamp_cfg_t *cfg)
	opamp initialisation functions Use this function to initialise the op-amp to different modes More...
static void	opamp_enable (OPAMP_Type *opamp)
	enable opamp function More...
static void	opamp_preset_opamp_enable (OPAMP_Type *opamp, uint8_t preset_chn)
	preset enable opamp function More...
static void	opamp_disable (OPAMP_Type *opamp)
	disable opamp function More...
static void	opamp_preset_opamp_disable (OPAMP_Type *opamp, uint8_t preset_chn)
	preset disable opamp function More...
static void	opamp_miller_cap_select (OPAMP_Type *opamp, opamp_miller_cap_t select)
	opamp miller cap selection More...
static void	opamp_preset_miller_cap_select (OPAMP_Type *opamp, uint8_t preset_chn, opamp_miller_cap_t select)
	opamp miller cap selection preset More...
static void	opamp_phase_margin_cap_enable (OPAMP_Type *opamp)
	enable phase margin compensation cap More...
static void	opamp_preset_phase_margin_cap_enable (OPAMP_Type *opamp, uint8_t preset_chn)
	enable phase margin compensation cap preset More...
static void	opamp_phase_margin_cap_disable (OPAMP_Type *opamp)
	disable phase margin compensation cap More...
static void	opamp_preset_phase_margin_cap_disable (OPAMP_Type *opamp, uint8_t preset_chn)
	disable phase margin compensation cap preset More...
static void	opamp_inn_pad_select (OPAMP_Type *opamp, opamp_inm_pad_t select)
	opamp core inm connect pad More...
static void	opamp_preset_inn_pad_select (OPAMP_Type *opamp, uint8_t preset_chn, opamp_inm_pad_t select)
	opamp core inm connect pad preset More...
static void	opamp_gain_select (OPAMP_Type *opamp, opamp_gain_t select)
	main string resistor selection More...
static void	opamp_preset_gain_select (OPAMP_Type *opamp, uint8_t preset_chn, opamp_gain_t select)
	main string resistor selection preset More...
static void	opamp_disconnect_vssa (OPAMP_Type *opamp)
	disconnect the main series resistor and VSSA More...
static void	opamp_preset_disconnect_vssa (OPAMP_Type *opamp, uint8_t preset_chn)
	disconnect the main series resistor and VSSA preset More...
static void	opamp_connect_vssa (OPAMP_Type *opamp)
	connect the main series resistor and VSSA More...
static void	opamp_preset_connect_vssa (OPAMP_Type *opamp, uint8_t preset_chn)
	connect the main series resistor and VSSA preset More...
static void	opamp_inp_pad_select (OPAMP_Type *opamp, opamp_inp_pad_t select)
	opamp inp select More...
static void	opamp_preset_inp_pad_select (OPAMP_Type *opamp, uint8_t preset_chn, opamp_inp_pad_t select)
	opamp inp select preset More...
static uint8_t	opamp_get_cur_preset (OPAMP_Type *opamp)
	opamp get current preset More...
static bool	opamp_get_is_preset (OPAMP_Type *opamp)
	get the current preset value More...
static uint8_t	opamp_get_trig_conflict_status (OPAMP_Type *opamp)
	Get the trigger conflict status. More...
static void	opamp_clear_conflict_status (OPAMP_Type *opamp)
	Clear the trigger conflict status. More...
static void	opamp_set_sw_preset_val (OPAMP_Type *opamp, opamp_cfg_preset_chn_t val)
	Set opamp preset value. More...
static void	opamp_enable_sw_preset (OPAMP_Type *opamp)
	Enable software preset. More...
static void	opamp_disable_sw_preset (OPAMP_Type *opamp)
	Disable software preset. More...
static void	opamp_set_preset_x_chn (OPAMP_Type *opamp, uint8_t preset_chn, uint8_t chn)
	Set preset x channel value. More...
hpm_stat_t	opamp_set_preset_cfg (OPAMP_Type *opamp, uint8_t preset_chn, opamp_cfg_t *cfg)
	Set preset cfg. More...
static void	opamp_preset_enable_hw_trig (OPAMP_Type *opamp, uint8_t preset_chn)
	opamp enable preset hardware trig More...
static void	opamp_preset_disable_hw_trig (OPAMP_Type *opamp, uint8_t preset_chn)
	opamp disable preset hardware trig More...
static void	opamp_mode_set (OPAMP_Type *opamp, uint8_t mode)
	opamp set mode More...
static void	opamp_preset_mode_set (OPAMP_Type *opamp, uint8_t preset_chn, uint8_t mode)
	opamp preset set mode More...