/**
 * @copyright 2015 Indie Semiconductor.
 *
 * This file is proprietary to Indie Semiconductor.
 * All rights reserved. Reproduction or distribution, in whole
 * or in part, is forbidden except by express written permission
 * of Indie Semiconductor.
 *
 * @file adc_device.h
 */

#ifndef ADC_DEVICE_H__
#define ADC_DEVICE_H__

#include <stddef.h>
#include <string.h>
#include <stdint.h>
#include <stdbool.h>
#include <meta.h>
#include <pdsTask.h>

typedef enum {
  ADC_REF_VBG = 0U,     /* VBG = 1.22V  */
  ADC_REF_VBG_2TIMES,   /* 2* VBG   */
  ADC_REF_VDD_3V3,
}AdcReference_t;

typedef enum {
  ADC_TRIGGER_SEL_GENERAL_TRIGSRC  = 0x00U,
  ADC_TRIGGER_SEL_PWM_AUX_TRIGSRC,
}AdcTriggerSEL_t;

typedef enum {
  ADC_PWMAUX_CHN0  = 0x00U,
  ADC_PWMAUX_CHN1,     
  ADC_PWMAUX_CHN2,
  ADC_PWMAUX_CHN3,
  ADC_PWMAUX_CHN4,
  ADC_PWMAUX_CHN5,
}AdcPwmAuxChannel_t;

typedef enum {
  ADC_PWMAUX_TRIG_SRC_PWM_RISING  = 0x01U,
  ADC_PWMAUX_TRIG_SRC_PWM_FALLING = 0x02U,
  ADC_PWMAUX_TRIG_SRC_PWM_PERIOD0 = 0x04U,
  ADC_PWMAUX_TRIG_SRC_PWM_PERIOD1 = 0x08U,
}AdcPwmAuxTriggerSRC_t;

typedef enum {
  ADC_TRIG_SRC_SOFT_INPUT    = 0x00U,
  ADC_TRIG_SRC_PWM_CMP0      = 0x08U,
  ADC_TRIG_SRC_PWM_CMP1      = 0x09U,
  ADC_TRIG_SRC_PWM_PCC3_1    = 0x0AU,
  ADC_TRIG_SRC_PWM_CT6OUT    = 0x0BU,
  ADC_TRIG_SRC_PWM_CT3OUT    = 0x0CU,
  ADC_TRIG_SRC_GT1ADCTRIG    = 0x0DU,
  ADC_TRIG_SRC_GT2ADCTRIG    = 0x0EU,
  ADC_TRIG_SRC_GT3ADCTRIG    = 0x0FU
}AdcGeneralTriggerSRC_t;


typedef enum {
  ADC_AFE_GAIN_22_OF_32 = 0U,
  ADC_AFE_GAIN_31_OF_32,
}AdcAfeGain_t;

typedef enum {
  ADC_AFE_INPUT_ALL_EXT = 0U,
  ADC_AFE_INPUT_INP_BUFFERED_INN_EXT,
  ADC_AFE_INPUT_INP_EXT_INN_BUFFERED,
  ADC_AFE_INPUT_INP_BUFFERED_INN_BUFFERED,
}AdcAfeInputMode_t;

typedef enum {
  ADC_CH_SEL_NONE = 0U,
  ADC_CH_SEL_REF_REF,
  ADC_CH_SEL_REF_GND,
  ADC_CH_SEL_GND_REF,
  ADC_CH_SEL_TSENSOR_GND,
  ADC_CH_SEL_1V5_GND,
  ADC_CH_SEL_3V3_GND,                   /*  1/2 gain   */
  ADC_CH_SEL_5V0_GND,                   /*  1/4  gain  */
  ADC_CH_SEL_VBAT_GND,                  /*  1/14 gain  */
  ADC_CH_SEL_CSA_Filter_OUT_GND,
  ADC_CH_SEL_CSA_OUT_GND,
  ADC_CH_SEL_PA2_GND,
  ADC_CH_SEL_PA3_GND,
  ADC_CH_SEL_PA4_GND,
  ADC_CH_SEL_PA5_GND,
  ADC_CH_SEL_PA6_GND,
  ADC_CH_SEL_PC3_GND,
  ADC_CH_SEL_PC4_GND,
  ADC_CH_SEL_PB0_GND,
  ADC_CH_SEL_PB1_GND,
  ADC_CH_SEL_PB2_GND,
  ADC_CH_SEL_PB3_GND,
  ADC_CH_SEL_PB4_GND,
  ADC_CH_SEL_PB5_GND,
  ADC_CH_SEL_PB6_GND,
  ADC_CH_SEL_PB7_GND,
  ADC_CH_SEL_3V3_EXT_GND,                   /*  1/2 gain   */
}AdcChannelSelect_t;


typedef enum {
  ADC_SQ_CH1_2_CH1 = 1U,
  ADC_SQ_CH1_2_CH2 = 2U,
  ADC_SQ_CH1_2_CH3 = 3U,
  ADC_SQ_CH1_2_CH4 = 4U,
  ADC_SQ_CH1_2_CH5 = 5U,
  ADC_SQ_CH1_2_CH6 = 6U,
  ADC_SQ_CH1_2_CH7 = 7U,
  ADC_SQ_CH1_2_CH8 = 8U,
  ADC_SQ_CH1_2_CH9 = 9U,
  ADC_SQ_CH1_2_CH10= 10U
}AdcSequence_t;


typedef enum {
  ADC_MEASURE_ITEM_NONE = 0U,
  ADC_MEASURE_ITEM_VBG,
  ADC_MEASURE_ITEM_VBAT,                
  ADC_MEASURE_ITEM_VDD1V5,
  ADC_MEASURE_ITEM_VAMP,
  ADC_MEASURE_ITEM_VBAT_VTEMP,
  ADC_MEASURE_ITEM_PC3,
  ADC_MEASURE_ITEM_LED,                   
}AdcMeasureItem_t;

typedef struct{
  AdcMeasureItem_t item;
  uint8_t channel;
}ADCMeasureParam_t;


//typedef struct{
//  AdcTriggerSEL_t selection;
//  union{
//      AdcGeneralTriggerSRC_t general;
//      AdcPwmAuxTriggerSRC_t  pwmAux;
//  };
//  AdcPwmAuxChannel_t channel; /* Only for pwm aux   */
//}ADCTriggerParam_t;

typedef struct{
  AdcTriggerSEL_t selection;
  AdcGeneralTriggerSRC_t general;
  AdcPwmAuxTriggerSRC_t  pwmAux;
  AdcPwmAuxChannel_t channel; /* Only for pwm aux   */
}ADCTriggerParam_t;

typedef void (*adc_cb_func_t)(ADCMeasureParam_t item, uint16_t *const result);

uint16_t getcurrent(void);
uint16_t getpb3code(void);
uint16_t getpc4code(void);
uint16_t getpb4code(void);
uint8_t getgai(void);
void ADC_GeneralInit(void);
void ADC_Init(AdcMeasureItem_t item, uint8_t channel);
void ADC_UnInit(AdcMeasureItem_t item);
void ADC_RegisterIRQ(adc_cb_func_t callback);
void ADC_UnregisterIRQ(void);
void ADC_Start(void);
void ADC_Stop(void);
ADCMeasureParam_t ADC_GetadcMeasParamm(void);

#endif /* __ADC_DEVICE_H__ */