| /** |
| ****************************************************************************** |
| * @file stm32g4xx_hal_opamp_ex.c |
| * @author MCD Application Team |
| * @brief Extended OPAMP HAL module driver. |
| * |
| * This file provides firmware functions to manage the following |
| * functionalities of the operational amplifiers (OPAMP1...OPAMP6) |
| * peripheral: |
| * + Extended Initialization and de-initialization functions |
| * + Extended Peripheral Control functions |
| * |
| @verbatim |
| ****************************************************************************** |
| * @attention |
| * |
| * <h2><center>© Copyright (c) 2018 STMicroelectronics. |
| * All rights reserved.</center></h2> |
| * |
| * This software component is licensed by ST under BSD 3-Clause license, |
| * the "License"; You may not use this file except in compliance with the |
| * License. You may obtain a copy of the License at: |
| * opensource.org/licenses/BSD-3-Clause |
| * |
| ****************************************************************************** |
| */ |
| |
| /* Includes ------------------------------------------------------------------*/ |
| #include "stm32g4xx_hal.h" |
| |
| /** @addtogroup STM32G4xx_HAL_Driver |
| * @{ |
| */ |
| |
| #ifdef HAL_OPAMP_MODULE_ENABLED |
| |
| /** @defgroup OPAMPEx OPAMPEx |
| * @brief OPAMP Extended HAL module driver |
| * @{ |
| */ |
| |
| |
| /* Private typedef -----------------------------------------------------------*/ |
| /* Private define ------------------------------------------------------------*/ |
| /* Private macro -------------------------------------------------------------*/ |
| /* Private variables ---------------------------------------------------------*/ |
| /* Private function prototypes -----------------------------------------------*/ |
| /* Exported functions --------------------------------------------------------*/ |
| |
| /** @defgroup OPAMPEx_Exported_Functions OPAMP Extended Exported Functions |
| * @{ |
| */ |
| |
| |
| /** @defgroup OPAMPEx_Exported_Functions_Group1 Extended Input and Output operation functions |
| * @brief Extended Self calibration functions |
| * |
| @verbatim |
| =============================================================================== |
| ##### Extended IO operation functions ##### |
| =============================================================================== |
| [..] |
| (+) OPAMP Self calibration. |
| |
| @endverbatim |
| * @{ |
| */ |
| |
| /** |
| * @brief Run the self calibration of up to 6 OPAMPs in parallel. |
| * @note Calibration is performed in the mode specified in OPAMP init |
| * structure (mode normal or high-speed). |
| * @param hopamp1 handle |
| * @param hopamp2 handle |
| * @param hopamp3 handle |
| * @param hopamp4 handle (1) |
| * @param hopamp5 handle (1) |
| * @param hopamp6 handle (1) |
| * (1) Parameter not present on STM32GBK1CB/STM32G431xx/STM32G441xx/STM32G471xx devices. |
| * @retval HAL status |
| * @note Updated offset trimming values (PMOS & NMOS), user trimming is enabled |
| * @note Calibration runs about 25 ms. |
| */ |
| |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| HAL_StatusTypeDef HAL_OPAMPEx_SelfCalibrateAll(OPAMP_HandleTypeDef *hopamp1, OPAMP_HandleTypeDef *hopamp2, |
| OPAMP_HandleTypeDef *hopamp3, OPAMP_HandleTypeDef *hopamp4, OPAMP_HandleTypeDef *hopamp5, OPAMP_HandleTypeDef *hopamp6) |
| #elif defined(STM32GBK1CB) || defined(STM32G431xx) || defined(STM32G441xx) || defined(STM32G471xx) |
| HAL_StatusTypeDef HAL_OPAMPEx_SelfCalibrateAll(OPAMP_HandleTypeDef *hopamp1, OPAMP_HandleTypeDef *hopamp2, |
| OPAMP_HandleTypeDef *hopamp3) |
| #endif |
| { |
| uint32_t trimmingvaluen1; |
| uint32_t trimmingvaluep1; |
| uint32_t trimmingvaluen2; |
| uint32_t trimmingvaluep2; |
| uint32_t trimmingvaluen3; |
| uint32_t trimmingvaluep3; |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| uint32_t trimmingvaluen4; |
| uint32_t trimmingvaluep4; |
| uint32_t trimmingvaluen5; |
| uint32_t trimmingvaluep5; |
| uint32_t trimmingvaluen6; |
| uint32_t trimmingvaluep6; |
| #endif |
| |
| uint32_t delta; |
| |
| if ((hopamp1 == NULL) || (hopamp2 == NULL) || (hopamp3 == NULL) |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| || (hopamp4 == NULL) || (hopamp5 == NULL) || (hopamp6 == NULL) |
| #endif |
| ) |
| { |
| return HAL_ERROR; |
| } |
| else if (hopamp1->State != HAL_OPAMP_STATE_READY) |
| { |
| return HAL_ERROR; |
| } |
| else if (hopamp2->State != HAL_OPAMP_STATE_READY) |
| { |
| return HAL_ERROR; |
| } |
| else if (hopamp3->State != HAL_OPAMP_STATE_READY) |
| { |
| return HAL_ERROR; |
| } |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| else if (hopamp4->State != HAL_OPAMP_STATE_READY) |
| { |
| return HAL_ERROR; |
| } |
| else if (hopamp5->State != HAL_OPAMP_STATE_READY) |
| { |
| return HAL_ERROR; |
| } |
| else if (hopamp6->State != HAL_OPAMP_STATE_READY) |
| { |
| return HAL_ERROR; |
| } |
| #endif |
| else |
| { |
| |
| /* Check the parameter */ |
| assert_param(IS_OPAMP_ALL_INSTANCE(hopamp1->Instance)); |
| assert_param(IS_OPAMP_ALL_INSTANCE(hopamp2->Instance)); |
| assert_param(IS_OPAMP_ALL_INSTANCE(hopamp3->Instance)); |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| assert_param(IS_OPAMP_ALL_INSTANCE(hopamp4->Instance)); |
| assert_param(IS_OPAMP_ALL_INSTANCE(hopamp5->Instance)); |
| assert_param(IS_OPAMP_ALL_INSTANCE(hopamp6->Instance)); |
| #endif |
| |
| /* Set Calibration mode */ |
| /* Non-inverting input connected to calibration reference voltage. */ |
| SET_BIT(hopamp1->Instance->CSR, OPAMP_CSR_FORCEVP); |
| SET_BIT(hopamp2->Instance->CSR, OPAMP_CSR_FORCEVP); |
| SET_BIT(hopamp3->Instance->CSR, OPAMP_CSR_FORCEVP); |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| SET_BIT(hopamp4->Instance->CSR, OPAMP_CSR_FORCEVP); |
| SET_BIT(hopamp5->Instance->CSR, OPAMP_CSR_FORCEVP); |
| SET_BIT(hopamp6->Instance->CSR, OPAMP_CSR_FORCEVP); |
| #endif |
| |
| /* user trimming values are used for offset calibration */ |
| SET_BIT(hopamp1->Instance->CSR, OPAMP_CSR_USERTRIM); |
| SET_BIT(hopamp2->Instance->CSR, OPAMP_CSR_USERTRIM); |
| SET_BIT(hopamp3->Instance->CSR, OPAMP_CSR_USERTRIM); |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| SET_BIT(hopamp4->Instance->CSR, OPAMP_CSR_USERTRIM); |
| SET_BIT(hopamp5->Instance->CSR, OPAMP_CSR_USERTRIM); |
| SET_BIT(hopamp6->Instance->CSR, OPAMP_CSR_USERTRIM); |
| #endif |
| |
| /* Enable calibration */ |
| SET_BIT(hopamp1->Instance->CSR, OPAMP_CSR_CALON); |
| SET_BIT(hopamp2->Instance->CSR, OPAMP_CSR_CALON); |
| SET_BIT(hopamp3->Instance->CSR, OPAMP_CSR_CALON); |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| SET_BIT(hopamp4->Instance->CSR, OPAMP_CSR_CALON); |
| SET_BIT(hopamp5->Instance->CSR, OPAMP_CSR_CALON); |
| SET_BIT(hopamp6->Instance->CSR, OPAMP_CSR_CALON); |
| #endif |
| |
| /* 1st calibration - N */ |
| /* Select 90% VREF */ |
| MODIFY_REG(hopamp1->Instance->CSR, OPAMP_CSR_CALSEL, OPAMP_VREF_90VDDA); |
| MODIFY_REG(hopamp2->Instance->CSR, OPAMP_CSR_CALSEL, OPAMP_VREF_90VDDA); |
| MODIFY_REG(hopamp3->Instance->CSR, OPAMP_CSR_CALSEL, OPAMP_VREF_90VDDA); |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| MODIFY_REG(hopamp4->Instance->CSR, OPAMP_CSR_CALSEL, OPAMP_VREF_90VDDA); |
| MODIFY_REG(hopamp5->Instance->CSR, OPAMP_CSR_CALSEL, OPAMP_VREF_90VDDA); |
| MODIFY_REG(hopamp6->Instance->CSR, OPAMP_CSR_CALSEL, OPAMP_VREF_90VDDA); |
| #endif |
| |
| /* Enable the opamps */ |
| SET_BIT(hopamp1->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
| SET_BIT(hopamp2->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
| SET_BIT(hopamp3->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| SET_BIT(hopamp4->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
| SET_BIT(hopamp5->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
| SET_BIT(hopamp6->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
| #endif |
| |
| /* Init trimming counter */ |
| /* Medium value */ |
| trimmingvaluen1 = 16UL; |
| trimmingvaluen2 = 16UL; |
| trimmingvaluen3 = 16UL; |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| trimmingvaluen4 = 16UL; |
| trimmingvaluen5 = 16UL; |
| trimmingvaluen6 = 16UL; |
| #endif |
| delta = 8UL; |
| |
| while (delta != 0UL) |
| { |
| /* Set candidate trimming */ |
| MODIFY_REG(hopamp1->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen1 << OPAMP_INPUT_INVERTING); |
| MODIFY_REG(hopamp2->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen2 << OPAMP_INPUT_INVERTING); |
| MODIFY_REG(hopamp3->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen3 << OPAMP_INPUT_INVERTING); |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| MODIFY_REG(hopamp4->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen4 << OPAMP_INPUT_INVERTING); |
| MODIFY_REG(hopamp5->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen5 << OPAMP_INPUT_INVERTING); |
| MODIFY_REG(hopamp6->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen6 << OPAMP_INPUT_INVERTING); |
| #endif |
| |
| /* OFFTRIMmax delay 2 ms as per datasheet (electrical characteristics */ |
| /* Offset trim time: during calibration, minimum time needed between */ |
| /* two steps to have 1 mV accuracy */ |
| HAL_Delay(2); |
| |
| if ((hopamp1->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* OPAMP_CSR_OUTCAL is HIGH try higher trimming */ |
| trimmingvaluen1 += delta; |
| } |
| else |
| { |
| /* OPAMP_CSR_OUTCAL is LOW try lower trimming */ |
| trimmingvaluen1 -= delta; |
| } |
| |
| if ((hopamp2->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* OPAMP_CSR_OUTCAL is HIGH try higher trimming */ |
| trimmingvaluen2 += delta; |
| } |
| else |
| { |
| /* OPAMP_CSR_OUTCAL is LOW try lower trimming */ |
| trimmingvaluen2 -= delta; |
| } |
| |
| if ((hopamp3->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* OPAMP_CSR_OUTCAL is HIGH try higher trimming */ |
| trimmingvaluen3 += delta; |
| } |
| else |
| { |
| /* OPAMP_CSR_OUTCAL is LOW try lower trimming */ |
| trimmingvaluen3 -= delta; |
| } |
| |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| if ((hopamp4->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* OPAMP_CSR_OUTCAL is HIGH try higher trimming */ |
| trimmingvaluen4 += delta; |
| } |
| else |
| { |
| /* OPAMP_CSR_OUTCAL is LOW try lower trimming */ |
| trimmingvaluen4 -= delta; |
| } |
| |
| if ((hopamp5->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* OPAMP_CSR_OUTCAL is HIGH try higher trimming */ |
| trimmingvaluen5 += delta; |
| } |
| else |
| { |
| /* OPAMP_CSR_OUTCAL is LOW try lower trimming */ |
| trimmingvaluen5 -= delta; |
| } |
| |
| if ((hopamp6->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* OPAMP_CSR_OUTCAL is HIGH try higher trimming */ |
| trimmingvaluen6 += delta; |
| } |
| else |
| { |
| /* OPAMP_CSR_OUTCAL is LOW try lower trimming */ |
| trimmingvaluen6 -= delta; |
| } |
| #endif |
| |
| delta >>= 1; |
| } |
| |
| /* Still need to check if righ calibration is current value or un step below */ |
| /* Indeed the first value that causes the OUTCAL bit to change from 1 to 0 */ |
| MODIFY_REG(hopamp1->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen1 << OPAMP_INPUT_INVERTING); |
| MODIFY_REG(hopamp2->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen2 << OPAMP_INPUT_INVERTING); |
| MODIFY_REG(hopamp3->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen3 << OPAMP_INPUT_INVERTING); |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| MODIFY_REG(hopamp4->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen4 << OPAMP_INPUT_INVERTING); |
| MODIFY_REG(hopamp5->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen5 << OPAMP_INPUT_INVERTING); |
| MODIFY_REG(hopamp6->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen6 << OPAMP_INPUT_INVERTING); |
| #endif |
| |
| /* OFFTRIMmax delay 2 ms as per datasheet (electrical characteristics */ |
| /* Offset trim time: during calibration, minimum time needed between */ |
| /* two steps to have 1 mV accuracy */ |
| HAL_Delay(2); |
| |
| if ((hopamp1->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* OPAMP_CSR_OUTCAL is actually one value more */ |
| trimmingvaluen1++; |
| /* Set right trimming */ |
| MODIFY_REG(hopamp1->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen1 << OPAMP_INPUT_INVERTING); |
| } |
| |
| if ((hopamp2->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* OPAMP_CSR_OUTCAL is actually one value more */ |
| trimmingvaluen2++; |
| /* Set right trimming */ |
| MODIFY_REG(hopamp2->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen2 << OPAMP_INPUT_INVERTING); |
| } |
| |
| if ((hopamp3->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* OPAMP_CSR_OUTCAL is actually one value more */ |
| trimmingvaluen3++; |
| /* Set right trimming */ |
| MODIFY_REG(hopamp3->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen3 << OPAMP_INPUT_INVERTING); |
| } |
| |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| if ((hopamp4->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* OPAMP_CSR_OUTCAL is actually one value more */ |
| trimmingvaluen4++; |
| /* Set right trimming */ |
| MODIFY_REG(hopamp4->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen4 << OPAMP_INPUT_INVERTING); |
| } |
| |
| if ((hopamp5->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* OPAMP_CSR_OUTCAL is actually one value more */ |
| trimmingvaluen5++; |
| /* Set right trimming */ |
| MODIFY_REG(hopamp5->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen5 << OPAMP_INPUT_INVERTING); |
| } |
| |
| if ((hopamp6->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* OPAMP_CSR_OUTCAL is actually one value more */ |
| trimmingvaluen6++; |
| /* Set right trimming */ |
| MODIFY_REG(hopamp6->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen6 << OPAMP_INPUT_INVERTING); |
| } |
| #endif |
| |
| /* 2nd calibration - P */ |
| /* Select 10% VREF */ |
| MODIFY_REG(hopamp1->Instance->CSR, OPAMP_CSR_CALSEL, OPAMP_VREF_10VDDA); |
| MODIFY_REG(hopamp2->Instance->CSR, OPAMP_CSR_CALSEL, OPAMP_VREF_10VDDA); |
| MODIFY_REG(hopamp3->Instance->CSR, OPAMP_CSR_CALSEL, OPAMP_VREF_10VDDA); |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| MODIFY_REG(hopamp4->Instance->CSR, OPAMP_CSR_CALSEL, OPAMP_VREF_10VDDA); |
| MODIFY_REG(hopamp5->Instance->CSR, OPAMP_CSR_CALSEL, OPAMP_VREF_10VDDA); |
| MODIFY_REG(hopamp6->Instance->CSR, OPAMP_CSR_CALSEL, OPAMP_VREF_10VDDA); |
| #endif |
| |
| /* Init trimming counter */ |
| /* Medium value */ |
| trimmingvaluep1 = 16UL; |
| trimmingvaluep2 = 16UL; |
| trimmingvaluep3 = 16UL; |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| trimmingvaluep4 = 16UL; |
| trimmingvaluep5 = 16UL; |
| trimmingvaluep6 = 16UL; |
| #endif |
| |
| delta = 8UL; |
| |
| while (delta != 0UL) |
| { |
| /* Set candidate trimming */ |
| MODIFY_REG(hopamp1->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep1 << OPAMP_INPUT_NONINVERTING); |
| MODIFY_REG(hopamp2->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep2 << OPAMP_INPUT_NONINVERTING); |
| MODIFY_REG(hopamp3->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep3 << OPAMP_INPUT_NONINVERTING); |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| MODIFY_REG(hopamp4->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep4 << OPAMP_INPUT_NONINVERTING); |
| MODIFY_REG(hopamp5->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep5 << OPAMP_INPUT_NONINVERTING); |
| MODIFY_REG(hopamp6->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep6 << OPAMP_INPUT_NONINVERTING); |
| #endif |
| |
| /* OFFTRIMmax delay 2 ms as per datasheet (electrical characteristics */ |
| /* Offset trim time: during calibration, minimum time needed between */ |
| /* two steps to have 1 mV accuracy */ |
| HAL_Delay(2); |
| |
| if ((hopamp1->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* OPAMP_CSR_OUTCAL is HIGH try higher trimming */ |
| trimmingvaluep1 += delta; |
| } |
| else |
| { |
| trimmingvaluep1 -= delta; |
| } |
| |
| if ((hopamp2->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* OPAMP_CSR_OUTCAL is HIGH try higher trimming */ |
| trimmingvaluep2 += delta; |
| } |
| else |
| { |
| trimmingvaluep2 -= delta; |
| } |
| |
| if ((hopamp3->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* OPAMP_CSR_OUTCAL is HIGH try higher trimming */ |
| trimmingvaluep3 += delta; |
| } |
| else |
| { |
| trimmingvaluep3 -= delta; |
| } |
| |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| if ((hopamp4->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* OPAMP_CSR_OUTCAL is HIGH try higher trimming */ |
| trimmingvaluep4 += delta; |
| } |
| else |
| { |
| trimmingvaluep4 -= delta; |
| } |
| |
| if ((hopamp5->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* OPAMP_CSR_OUTCAL is HIGH try higher trimming */ |
| trimmingvaluep5 += delta; |
| } |
| else |
| { |
| trimmingvaluep5 -= delta; |
| } |
| |
| if ((hopamp6->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* OPAMP_CSR_OUTCAL is HIGH try higher trimming */ |
| trimmingvaluep6 += delta; |
| } |
| else |
| { |
| trimmingvaluep6 -= delta; |
| } |
| #endif |
| |
| delta >>= 1; |
| } |
| |
| /* Still need to check if righ calibration is current value or un step below */ |
| /* Indeed the first value that causes the OUTCAL bit to change from 1 to 0 */ |
| /* Set candidate trimming */ |
| MODIFY_REG(hopamp1->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep1 << OPAMP_INPUT_NONINVERTING); |
| MODIFY_REG(hopamp2->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep2 << OPAMP_INPUT_NONINVERTING); |
| MODIFY_REG(hopamp3->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep3 << OPAMP_INPUT_NONINVERTING); |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| MODIFY_REG(hopamp4->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep4 << OPAMP_INPUT_NONINVERTING); |
| MODIFY_REG(hopamp5->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep5 << OPAMP_INPUT_NONINVERTING); |
| MODIFY_REG(hopamp6->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep6 << OPAMP_INPUT_NONINVERTING); |
| #endif |
| |
| /* OFFTRIMmax delay 2 ms as per datasheet (electrical characteristics */ |
| /* Offset trim time: during calibration, minimum time needed between */ |
| /* two steps to have 1 mV accuracy */ |
| HAL_Delay(2); |
| |
| if ((hopamp1->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* Trimming value is actually one value more */ |
| trimmingvaluep1++; |
| /* Set right trimming */ |
| MODIFY_REG(hopamp1->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep1 << OPAMP_INPUT_NONINVERTING); |
| } |
| |
| if ((hopamp2->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* Trimming value is actually one value more */ |
| trimmingvaluep2++; |
| /* Set right trimming */ |
| MODIFY_REG(hopamp2->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep2 << OPAMP_INPUT_NONINVERTING); |
| } |
| |
| if ((hopamp3->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* Trimming value is actually one value more */ |
| trimmingvaluep3++; |
| /* Set right trimming */ |
| MODIFY_REG(hopamp3->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep3 << OPAMP_INPUT_NONINVERTING); |
| } |
| |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| if ((hopamp4->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* Trimming value is actually one value more */ |
| trimmingvaluep4++; |
| /* Set right trimming */ |
| MODIFY_REG(hopamp4->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep4 << OPAMP_INPUT_NONINVERTING); |
| } |
| |
| if ((hopamp5->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* Trimming value is actually one value more */ |
| trimmingvaluep5++; |
| /* Set right trimming */ |
| MODIFY_REG(hopamp5->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep5 << OPAMP_INPUT_NONINVERTING); |
| } |
| |
| if ((hopamp6->Instance->CSR & OPAMP_CSR_OUTCAL) != 0UL) |
| { |
| /* Trimming value is actually one value more */ |
| trimmingvaluep6++; |
| /* Set right trimming */ |
| MODIFY_REG(hopamp6->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep6 << OPAMP_INPUT_NONINVERTING); |
| } |
| #endif |
| |
| /* Disable calibration */ |
| CLEAR_BIT(hopamp1->Instance->CSR, OPAMP_CSR_CALON); |
| CLEAR_BIT(hopamp2->Instance->CSR, OPAMP_CSR_CALON); |
| CLEAR_BIT(hopamp3->Instance->CSR, OPAMP_CSR_CALON); |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| CLEAR_BIT(hopamp4->Instance->CSR, OPAMP_CSR_CALON); |
| CLEAR_BIT(hopamp5->Instance->CSR, OPAMP_CSR_CALON); |
| CLEAR_BIT(hopamp6->Instance->CSR, OPAMP_CSR_CALON); |
| #endif |
| |
| /* Disable the OPAMPs */ |
| CLEAR_BIT(hopamp1->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
| CLEAR_BIT(hopamp2->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
| CLEAR_BIT(hopamp3->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| CLEAR_BIT(hopamp4->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
| CLEAR_BIT(hopamp5->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
| CLEAR_BIT(hopamp6->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
| #endif |
| |
| /* Set normal operating mode back */ |
| CLEAR_BIT(hopamp1->Instance->CSR, OPAMP_CSR_FORCEVP); |
| CLEAR_BIT(hopamp2->Instance->CSR, OPAMP_CSR_FORCEVP); |
| CLEAR_BIT(hopamp3->Instance->CSR, OPAMP_CSR_FORCEVP); |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| CLEAR_BIT(hopamp4->Instance->CSR, OPAMP_CSR_FORCEVP); |
| CLEAR_BIT(hopamp5->Instance->CSR, OPAMP_CSR_FORCEVP); |
| CLEAR_BIT(hopamp6->Instance->CSR, OPAMP_CSR_FORCEVP); |
| #endif |
| |
| /* Self calibration is successful */ |
| /* Store calibration(user timming) results in init structure. */ |
| /* Select user timming mode */ |
| |
| /* Write calibration result N */ |
| hopamp1->Init.TrimmingValueN = trimmingvaluen1; |
| hopamp2->Init.TrimmingValueN = trimmingvaluen2; |
| hopamp3->Init.TrimmingValueN = trimmingvaluen3; |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| hopamp4->Init.TrimmingValueN = trimmingvaluen4; |
| hopamp5->Init.TrimmingValueN = trimmingvaluen5; |
| hopamp6->Init.TrimmingValueN = trimmingvaluen6; |
| #endif |
| |
| /* Write calibration result P */ |
| hopamp1->Init.TrimmingValueP = trimmingvaluep1; |
| hopamp2->Init.TrimmingValueP = trimmingvaluep2; |
| hopamp3->Init.TrimmingValueP = trimmingvaluep3; |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| hopamp4->Init.TrimmingValueP = trimmingvaluep4; |
| hopamp5->Init.TrimmingValueP = trimmingvaluep5; |
| hopamp6->Init.TrimmingValueP = trimmingvaluep6; |
| #endif |
| |
| /* Select user timming mode */ |
| /* And updated with calibrated settings */ |
| hopamp1->Init.UserTrimming = OPAMP_TRIMMING_USER; |
| hopamp2->Init.UserTrimming = OPAMP_TRIMMING_USER; |
| hopamp3->Init.UserTrimming = OPAMP_TRIMMING_USER; |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| hopamp4->Init.UserTrimming = OPAMP_TRIMMING_USER; |
| hopamp5->Init.UserTrimming = OPAMP_TRIMMING_USER; |
| hopamp6->Init.UserTrimming = OPAMP_TRIMMING_USER; |
| #endif |
| |
| MODIFY_REG(hopamp1->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen1 << OPAMP_INPUT_INVERTING); |
| MODIFY_REG(hopamp2->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen2 << OPAMP_INPUT_INVERTING); |
| MODIFY_REG(hopamp3->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen3 << OPAMP_INPUT_INVERTING); |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| MODIFY_REG(hopamp4->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen4 << OPAMP_INPUT_INVERTING); |
| MODIFY_REG(hopamp5->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen5 << OPAMP_INPUT_INVERTING); |
| MODIFY_REG(hopamp6->Instance->CSR, OPAMP_CSR_TRIMOFFSETN, trimmingvaluen6 << OPAMP_INPUT_INVERTING); |
| #endif |
| |
| MODIFY_REG(hopamp1->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep1 << OPAMP_INPUT_NONINVERTING); |
| MODIFY_REG(hopamp2->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep2 << OPAMP_INPUT_NONINVERTING); |
| MODIFY_REG(hopamp3->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep3 << OPAMP_INPUT_NONINVERTING); |
| #if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx) |
| MODIFY_REG(hopamp4->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep4 << OPAMP_INPUT_NONINVERTING); |
| MODIFY_REG(hopamp5->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep3 << OPAMP_INPUT_NONINVERTING); |
| MODIFY_REG(hopamp6->Instance->CSR, OPAMP_CSR_TRIMOFFSETP, trimmingvaluep4 << OPAMP_INPUT_NONINVERTING); |
| #endif |
| |
| } |
| |
| return HAL_OK; |
| } |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* HAL_OPAMP_MODULE_ENABLED */ |
| |
| /** |
| * @} |
| */ |
| |
| /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |