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/*
******************************************************************************
* @file HAL_OPA.c
* @version V1.0.0
* @date 2020
* @brief OPA HAL module driver.
* This file provides firmware functions to manage the following
* functionalities of the Operational Amplifier (OPA).
* @ Initialization and de-initialization functions
* @ IO operation functions
* @ Peripheral Control functions
******************************************************************************
*/
#include "ACM32Fxx_HAL.h"
/************************************************************************
* function : HAL_OPA_MspInit
* Description: OPA MCU specific initiation, such as IO share, module clock, ...
* input :
* OPA_HandleTypeDef *hopa: pointer to opa handle structure
* return: none
************************************************************************/
__weak void HAL_OPA_MspInit(OPA_HandleTypeDef* hopa)
{
/*
NOTE : This function should be modified by the user.
*/
/* For Example */
GPIO_InitTypeDef GPIO_OPA;
/* Enable Clock */
System_Module_Enable(EN_OPA);
if(hopa->Init.OpaX == OPA1)
{
/* OPA1 GPIO inition VINP:PB6*/
/* OPA1 GPIO inition VINM:PB5*/
/* OPA1 GPIO inition OPA1_VOUT:PC5*/
GPIO_OPA.Pin = GPIO_PIN_5 | GPIO_PIN_6;
GPIO_OPA.Mode = GPIO_MODE_ANALOG;
GPIO_OPA.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOB, &GPIO_OPA);
GPIO_OPA.Pin = GPIO_PIN_5;
GPIO_OPA.Mode = GPIO_MODE_ANALOG;
GPIO_OPA.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOC, &GPIO_OPA);
}
else if(hopa->Init.OpaX == OPA2)
{
/* OPA2 GPIO inition VINP:PB3*/
/* OPA2 GPIO inition VINM:PB1*/
/* OPA2 GPIO inition OPA2_VOUT:PB0*/
GPIO_OPA.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_3;
GPIO_OPA.Mode = GPIO_MODE_ANALOG;
GPIO_OPA.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOB, &GPIO_OPA);
}
else if(hopa->Init.OpaX == OPA3)
{
/* OPA3 GPIO inition VINP:PA7*/
/* OPA3 GPIO inition VINM:PA5*/
/* OPA3 GPIO inition OPA2_VOUT:PA6*/
GPIO_OPA.Pin = GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7;
GPIO_OPA.Mode = GPIO_MODE_ANALOG;
GPIO_OPA.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_OPA);
}
}
/************************************************************************
* function : HAL_OPA_MspDeInit
* Description: OPA MCU De-initiation, such as IO share, module clock, ...
* input :
* OPA_HandleTypeDef *hopa: pointer to opa handle structure
* return: none
************************************************************************/
__weak void HAL_OPA_MspDeInit(OPA_HandleTypeDef* hopa)
{
/*
NOTE : This function should be modified by the user.
*/
/* For Example */
/* Reset the OPA */
System_Module_Reset(RST_OPA);
/* Disable Clock */
System_Module_Disable(EN_OPA);
}
/************************************************************************
* function : HAL_OPA_Init
* Description: opa initial with parameters.
* input :
* OPA_HandleTypeDef *hopa: pointer to opa handle structure
************************************************************************/
HAL_StatusTypeDef HAL_OPA_Init(OPA_HandleTypeDef* hopa)
{
__IO uint32_t *gu32RegCrx;
uint8_t trim_value;
uint32_t u32NvrTrimValue;
/* Check the OPA handle allocation */
if (hopa == NULL)
{
return HAL_ERROR;
}
/* Check the parameters */
if(!IS_OPA_ALL_INSTANCE(hopa->Instance)) return HAL_ERROR;
if(!IS_OPA_ALL_OPAX(hopa->Init.OpaX)) return HAL_ERROR;
if(!IS_OPA_ALL_VINP(hopa->Init.VinPSel)) return HAL_ERROR;
if(!IS_OPA_ALL_VINM(hopa->Init.VinMSel)) return HAL_ERROR;
if(!IS_OPA_ALL_TRIM(hopa->Init.TrimEn)) return HAL_ERROR;
if(hopa->Init.OpaX == OPA1)
gu32RegCrx = &hopa->Instance->OPA1_CSR;
else if(hopa->Init.OpaX == OPA2)
gu32RegCrx = &hopa->Instance->OPA2_CSR;
else if(hopa->Init.OpaX == OPA3)
gu32RegCrx = &hopa->Instance->OPA3_CSR;
/* Init the low level hardware : GPIO, CLOCK */
HAL_OPA_MspInit(hopa);
/* Select the Vin P */
MODIFY_REG(*gu32RegCrx, OPA_CSR_VINPSEL_MASK, (hopa->Init.VinPSel)<<OPA_CSR_VINPSEL_POS);
/* Select the Vin M */
MODIFY_REG(*gu32RegCrx, OPA_CSR_VINMSEL_MASK, (hopa->Init.VinMSel)<<OPA_CSR_VINMSEL_POS);
/* Enable the opa */
SET_BIT(*gu32RegCrx, OPA_CSR_EN);
/* Trim the opa */
if(hopa->Init.TrimEn == OPA_CSR_TRIM_ENABLE)
{
/* Trim the OPA_CSR_CAL_H N channel */
SET_BIT(*gu32RegCrx, OPA_CSR_CAL_H);
CLEAR_BIT(*gu32RegCrx, OPA_CSR_CAL_L);
for(trim_value=0;trim_value<32;trim_value++)
{
MODIFY_REG(*gu32RegCrx,OPA_CSR_TRIM_HIGH_MASK,(trim_value)<<OPA_CSR_TRIM_HIGH_POS);
System_Delay(1000);
if(READ_BIT(*gu32RegCrx,OPA_CSR_CAL_OUT)) break;
}
/* Trim the OPA_CSR_CAL_L P channel */
SET_BIT(*gu32RegCrx, OPA_CSR_CAL_L);
CLEAR_BIT(*gu32RegCrx, OPA_CSR_CAL_H);
for(trim_value=0;trim_value<32;trim_value++)
{
MODIFY_REG(*gu32RegCrx,OPA_CSR_TRIM_LOW_MASK,(trim_value)<<OPA_CSR_TRIM_LOW_POS);
System_Delay(1000);
if(READ_BIT(*gu32RegCrx,OPA_CSR_CAL_OUT)) break;
}
}
else
{
/* Use the Trim value */
u32NvrTrimValue = *(volatile uint32_t*)(0x0008024C+(hopa->Init.OpaX-1)*4); //Read the OPA trim value;
if(((~(u32NvrTrimValue>>16))&0xFFFF) != (u32NvrTrimValue&0xFFFF)) return HAL_ERROR;
u32NvrTrimValue = u32NvrTrimValue & 0xFFFF;
MODIFY_REG(*gu32RegCrx,OPA_CSR_TRIM_HIGH_MASK,((u32NvrTrimValue&0x1F)<<OPA_CSR_TRIM_HIGH_POS));
MODIFY_REG(*gu32RegCrx,OPA_CSR_TRIM_LOW_MASK,(((u32NvrTrimValue>>5)&0x1F)<<OPA_CSR_TRIM_LOW_POS));
System_Delay(1000);
}
/* After rim enable the opa*/
SET_BIT(*gu32RegCrx, OPA_CSR_CAL_L);
SET_BIT(*gu32RegCrx, OPA_CSR_CAL_H);
return HAL_OK;
}
/************************************************************************
* function : HAL_OPA_Enable
* Description: opa enable.
* input :
* OPA_HandleTypeDef *hopa: pointer to opa handle structure
************************************************************************/
HAL_StatusTypeDef HAL_OPA_Enable(OPA_HandleTypeDef* hopa)
{
__IO uint32_t *gu32RegCrx;
/* Check the OPA handle allocation */
if (hopa == NULL)
{
return HAL_ERROR;
}
/* Check the parameters */
if(!IS_OPA_ALL_INSTANCE(hopa->Instance)) return HAL_ERROR;
if(!IS_OPA_ALL_OPAX(hopa->Init.OpaX)) return HAL_ERROR;
if(hopa->Init.OpaX == OPA1)
gu32RegCrx = &hopa->Instance->OPA1_CSR;
else if(hopa->Init.OpaX == OPA2)
gu32RegCrx = &hopa->Instance->OPA2_CSR;
else if(hopa->Init.OpaX == OPA3)
gu32RegCrx = &hopa->Instance->OPA3_CSR;
/* Enable the opa */
SET_BIT(*gu32RegCrx, OPA_CSR_EN);
return HAL_OK;
}
/************************************************************************
* function : HAL_OPA_Disable
* Description: opa disable.
* input :
* OPA_HandleTypeDef *hopa: pointer to opa handle structure
************************************************************************/
HAL_StatusTypeDef HAL_OPA_Disable(OPA_HandleTypeDef* hopa)
{
__IO uint32_t *gu32RegCrx;
/* Check the OPA handle allocation */
if (hopa == NULL)
{
return HAL_ERROR;
}
/* Check the parameters */
if(!IS_OPA_ALL_INSTANCE(hopa->Instance)) return HAL_ERROR;
if(!IS_OPA_ALL_OPAX(hopa->Init.OpaX)) return HAL_ERROR;
if(hopa->Init.OpaX == OPA1)
gu32RegCrx = &hopa->Instance->OPA1_CSR;
else if(hopa->Init.OpaX == OPA2)
gu32RegCrx = &hopa->Instance->OPA2_CSR;
else if(hopa->Init.OpaX == OPA3)
gu32RegCrx = &hopa->Instance->OPA3_CSR;
/* Disable the opa */
CLEAR_BIT(*gu32RegCrx, OPA_CSR_EN);
return HAL_OK;
}
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