fix LPC812 PWM
Fork of mbed-dev by
targets/cmsis/TARGET_STM/TARGET_STM32L4/stm32l4xx_hal_opamp.c@0:9b334a45a8ff, 2015-10-01 (annotated)
- Committer:
- bogdanm
- Date:
- Thu Oct 01 15:25:22 2015 +0300
- Revision:
- 0:9b334a45a8ff
Initial commit on mbed-dev
Replaces mbed-src (now inactive)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bogdanm | 0:9b334a45a8ff | 1 | /** |
bogdanm | 0:9b334a45a8ff | 2 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 3 | * @file stm32l4xx_hal_opamp.c |
bogdanm | 0:9b334a45a8ff | 4 | * @author MCD Application Team |
bogdanm | 0:9b334a45a8ff | 5 | * @version V1.0.0 |
bogdanm | 0:9b334a45a8ff | 6 | * @date 26-June-2015 |
bogdanm | 0:9b334a45a8ff | 7 | * @brief OPAMP HAL module driver. |
bogdanm | 0:9b334a45a8ff | 8 | * This file provides firmware functions to manage the following |
bogdanm | 0:9b334a45a8ff | 9 | * functionalities of the operational amplifier(s) peripheral: |
bogdanm | 0:9b334a45a8ff | 10 | * + OPAMP configuration |
bogdanm | 0:9b334a45a8ff | 11 | * + OPAMP calibration |
bogdanm | 0:9b334a45a8ff | 12 | * Thanks to |
bogdanm | 0:9b334a45a8ff | 13 | * + Initialization and de-initialization functions |
bogdanm | 0:9b334a45a8ff | 14 | * + IO operation functions |
bogdanm | 0:9b334a45a8ff | 15 | * + Peripheral Control functions |
bogdanm | 0:9b334a45a8ff | 16 | * + Peripheral State functions |
bogdanm | 0:9b334a45a8ff | 17 | * |
bogdanm | 0:9b334a45a8ff | 18 | @verbatim |
bogdanm | 0:9b334a45a8ff | 19 | ================================================================================ |
bogdanm | 0:9b334a45a8ff | 20 | ##### OPAMP Peripheral Features ##### |
bogdanm | 0:9b334a45a8ff | 21 | ================================================================================ |
bogdanm | 0:9b334a45a8ff | 22 | |
bogdanm | 0:9b334a45a8ff | 23 | [..] The device integrates 2 operational amplifiers OPAMP1 & OPAMP2 |
bogdanm | 0:9b334a45a8ff | 24 | |
bogdanm | 0:9b334a45a8ff | 25 | (#) The OPAMP(s) provide(s) several exclusive running modes. |
bogdanm | 0:9b334a45a8ff | 26 | (++) Standalone mode |
bogdanm | 0:9b334a45a8ff | 27 | (++) Programmable Gain Amplifier (PGA) mode (Resistor feedback output) |
bogdanm | 0:9b334a45a8ff | 28 | (++) Follower mode |
bogdanm | 0:9b334a45a8ff | 29 | |
bogdanm | 0:9b334a45a8ff | 30 | (#) All OPAMP (same for all OPAMPs) can operate in |
bogdanm | 0:9b334a45a8ff | 31 | (++) Either Low range (VDDA < 2.4V) power supply |
bogdanm | 0:9b334a45a8ff | 32 | (++) Or High range (VDDA > 2.4V) power supply |
bogdanm | 0:9b334a45a8ff | 33 | |
bogdanm | 0:9b334a45a8ff | 34 | (#) Each OPAMP(s) can be configured in normal and low power mode. |
bogdanm | 0:9b334a45a8ff | 35 | |
bogdanm | 0:9b334a45a8ff | 36 | (#) The OPAMP(s) provide(s) calibration capabilities. |
bogdanm | 0:9b334a45a8ff | 37 | (++) Calibration aims at correcting some offset for running mode. |
bogdanm | 0:9b334a45a8ff | 38 | (++) The OPAMP uses either factory calibration settings OR user defined |
bogdanm | 0:9b334a45a8ff | 39 | calibration (trimming) settings (i.e. trimming mode). |
bogdanm | 0:9b334a45a8ff | 40 | (++) The user defined settings can be figured out using self calibration |
bogdanm | 0:9b334a45a8ff | 41 | handled by HAL_OPAMP_SelfCalibrate, HAL_OPAMPEx_SelfCalibrateAll |
bogdanm | 0:9b334a45a8ff | 42 | (++) HAL_OPAMP_SelfCalibrate: |
bogdanm | 0:9b334a45a8ff | 43 | (+++) Runs automatically the calibration. |
bogdanm | 0:9b334a45a8ff | 44 | (+++) Enables the user trimming mode |
bogdanm | 0:9b334a45a8ff | 45 | (+++) Updates the init structure with trimming values with fresh calibration |
bogdanm | 0:9b334a45a8ff | 46 | results. |
bogdanm | 0:9b334a45a8ff | 47 | The user may store the calibration results for larger |
bogdanm | 0:9b334a45a8ff | 48 | (ex monitoring the trimming as a function of temperature |
bogdanm | 0:9b334a45a8ff | 49 | for instance) |
bogdanm | 0:9b334a45a8ff | 50 | (+++) HAL_OPAMPEx_SelfCalibrateAll |
bogdanm | 0:9b334a45a8ff | 51 | runs calibration of all OPAMPs in parallel to save search time. |
bogdanm | 0:9b334a45a8ff | 52 | |
bogdanm | 0:9b334a45a8ff | 53 | (#) Running mode: Standalone mode |
bogdanm | 0:9b334a45a8ff | 54 | (++) Gain is set externally (gain depends on external loads). |
bogdanm | 0:9b334a45a8ff | 55 | (++) Follower mode also possible externally by connecting the inverting input to |
bogdanm | 0:9b334a45a8ff | 56 | the output. |
bogdanm | 0:9b334a45a8ff | 57 | |
bogdanm | 0:9b334a45a8ff | 58 | (#) Running mode: Follower mode |
bogdanm | 0:9b334a45a8ff | 59 | (++) No Inverting Input is connected. |
bogdanm | 0:9b334a45a8ff | 60 | |
bogdanm | 0:9b334a45a8ff | 61 | (#) Running mode: Programmable Gain Amplifier (PGA) mode |
bogdanm | 0:9b334a45a8ff | 62 | (Resistor feedback output) |
bogdanm | 0:9b334a45a8ff | 63 | (++) The OPAMP(s) output(s) can be internally connected to resistor feedback |
bogdanm | 0:9b334a45a8ff | 64 | output. |
bogdanm | 0:9b334a45a8ff | 65 | (++) OPAMP gain is either 2, 4, 8 or 16. |
bogdanm | 0:9b334a45a8ff | 66 | |
bogdanm | 0:9b334a45a8ff | 67 | (#) The OPAMPs inverting input can be |
bogdanm | 0:9b334a45a8ff | 68 | selected among the list shown by table below. |
bogdanm | 0:9b334a45a8ff | 69 | |
bogdanm | 0:9b334a45a8ff | 70 | (#) The OPAMPs non inverting input can be |
bogdanm | 0:9b334a45a8ff | 71 | selected among the list shown by table below. |
bogdanm | 0:9b334a45a8ff | 72 | |
bogdanm | 0:9b334a45a8ff | 73 | [..] Table 1. OPAMPs inverting/non-inverting inputs for the STM32L4 devices: |
bogdanm | 0:9b334a45a8ff | 74 | |
bogdanm | 0:9b334a45a8ff | 75 | (+) +------------------------------------------------------------------------| |
bogdanm | 0:9b334a45a8ff | 76 | (+) | | | OPAMP1 | OPAMP2 | |
bogdanm | 0:9b334a45a8ff | 77 | (+) |-----------------|---------|----------------------|---------------------| |
bogdanm | 0:9b334a45a8ff | 78 | (+) | Inverting Input | VM_SEL | | | |
bogdanm | 0:9b334a45a8ff | 79 | (+) | | | IO0-> PA1 | IO0-> PA7 | |
bogdanm | 0:9b334a45a8ff | 80 | (+) | | | LOW LEAKAGE IO (2) | LOW LEAKAGE IO (2) | |
bogdanm | 0:9b334a45a8ff | 81 | (+) | | | Not connected | Not connected | |
bogdanm | 0:9b334a45a8ff | 82 | (+) | (1) | | PGA mode only | PGA mode only | |
bogdanm | 0:9b334a45a8ff | 83 | (+) |-----------------|---------|----------------------|---------------------| |
bogdanm | 0:9b334a45a8ff | 84 | (+) | Non Inverting | VM_SEL | | | |
bogdanm | 0:9b334a45a8ff | 85 | (+) | | | IO0-> PA0 (GPIO) | IO0-> PA6 (GPIO) | |
bogdanm | 0:9b334a45a8ff | 86 | (+) | Input | | DAC1_OUT1 internal | DAC1_OUT2 internal | |
bogdanm | 0:9b334a45a8ff | 87 | (+) +------------------------------------------------------------------------| |
bogdanm | 0:9b334a45a8ff | 88 | [..] (1): NA in follower mode. |
bogdanm | 0:9b334a45a8ff | 89 | [..](2): Available on some package only (ex. BGA132). |
bogdanm | 0:9b334a45a8ff | 90 | |
bogdanm | 0:9b334a45a8ff | 91 | [..] Table 2. OPAMPs outputs for the STM32L4 devices: |
bogdanm | 0:9b334a45a8ff | 92 | |
bogdanm | 0:9b334a45a8ff | 93 | (+) +------------------------------------------------------------------------- |
bogdanm | 0:9b334a45a8ff | 94 | (+) | | | OPAMP1 | OPAMP2 | |
bogdanm | 0:9b334a45a8ff | 95 | (+) |-----------------|--------|-----------------------|---------------------| |
bogdanm | 0:9b334a45a8ff | 96 | (+) | Output | VOUT | PA3 | PB0 | |
bogdanm | 0:9b334a45a8ff | 97 | (+) | | | & (2) ADC12_IN if | & (2) ADC12_IN if | |
bogdanm | 0:9b334a45a8ff | 98 | (+) | | | connected internally | connected internally| |
bogdanm | 0:9b334a45a8ff | 99 | (+) |-----------------|--------|-----------------------|---------------------| |
bogdanm | 0:9b334a45a8ff | 100 | [..] (2): ADC1 or ADC2 shall select IN15. |
bogdanm | 0:9b334a45a8ff | 101 | |
bogdanm | 0:9b334a45a8ff | 102 | ##### How to use this driver ##### |
bogdanm | 0:9b334a45a8ff | 103 | ================================================================================ |
bogdanm | 0:9b334a45a8ff | 104 | [..] |
bogdanm | 0:9b334a45a8ff | 105 | |
bogdanm | 0:9b334a45a8ff | 106 | *** Power supply range *** |
bogdanm | 0:9b334a45a8ff | 107 | ============================================ |
bogdanm | 0:9b334a45a8ff | 108 | [..] To run in low power mode: |
bogdanm | 0:9b334a45a8ff | 109 | |
bogdanm | 0:9b334a45a8ff | 110 | (#) Configure the OPAMP using HAL_OPAMP_Init() function: |
bogdanm | 0:9b334a45a8ff | 111 | (++) Select OPAMP_POWERSUPPLY_LOW (VDDA lower than 2.4V) |
bogdanm | 0:9b334a45a8ff | 112 | (++) Otherwise select OPAMP_POWERSUPPLY_HIGH (VDDA higher than 2.4V) |
bogdanm | 0:9b334a45a8ff | 113 | |
bogdanm | 0:9b334a45a8ff | 114 | *** Low / normal power mode *** |
bogdanm | 0:9b334a45a8ff | 115 | ============================================ |
bogdanm | 0:9b334a45a8ff | 116 | [..] To run in low power mode: |
bogdanm | 0:9b334a45a8ff | 117 | |
bogdanm | 0:9b334a45a8ff | 118 | (#) Configure the OPAMP using HAL_OPAMP_Init() function: |
bogdanm | 0:9b334a45a8ff | 119 | (++) Select OPAMP_POWERMODE_LOWPOWER |
bogdanm | 0:9b334a45a8ff | 120 | (++) Otherwise select OPAMP_POWERMODE_NORMAL |
bogdanm | 0:9b334a45a8ff | 121 | |
bogdanm | 0:9b334a45a8ff | 122 | *** Calibration *** |
bogdanm | 0:9b334a45a8ff | 123 | ============================================ |
bogdanm | 0:9b334a45a8ff | 124 | [..] To run the OPAMP calibration self calibration: |
bogdanm | 0:9b334a45a8ff | 125 | |
bogdanm | 0:9b334a45a8ff | 126 | (#) Start calibration using HAL_OPAMP_SelfCalibrate. |
bogdanm | 0:9b334a45a8ff | 127 | Store the calibration results. |
bogdanm | 0:9b334a45a8ff | 128 | |
bogdanm | 0:9b334a45a8ff | 129 | *** Running mode *** |
bogdanm | 0:9b334a45a8ff | 130 | ============================================ |
bogdanm | 0:9b334a45a8ff | 131 | |
bogdanm | 0:9b334a45a8ff | 132 | [..] To use the OPAMP, perform the following steps: |
bogdanm | 0:9b334a45a8ff | 133 | |
bogdanm | 0:9b334a45a8ff | 134 | (#) Fill in the HAL_OPAMP_MspInit() to |
bogdanm | 0:9b334a45a8ff | 135 | (++) Enable the OPAMP Peripheral clock using macro __HAL_RCC_OPAMP_CLK_ENABLE() |
bogdanm | 0:9b334a45a8ff | 136 | (++) Configure the OPAMP input AND output in analog mode using |
bogdanm | 0:9b334a45a8ff | 137 | HAL_GPIO_Init() to map the OPAMP output to the GPIO pin. |
bogdanm | 0:9b334a45a8ff | 138 | |
bogdanm | 0:9b334a45a8ff | 139 | (#) Configure the OPAMP using HAL_OPAMP_Init() function: |
bogdanm | 0:9b334a45a8ff | 140 | (++) Select the mode |
bogdanm | 0:9b334a45a8ff | 141 | (++) Select the inverting input |
bogdanm | 0:9b334a45a8ff | 142 | (++) Select the non-inverting input |
bogdanm | 0:9b334a45a8ff | 143 | (++) If PGA mode is enabled, Select if inverting input is connected. |
bogdanm | 0:9b334a45a8ff | 144 | (++) Select either factory or user defined trimming mode. |
bogdanm | 0:9b334a45a8ff | 145 | (++) If the user-defined trimming mode is enabled, select PMOS & NMOS trimming values |
bogdanm | 0:9b334a45a8ff | 146 | (typically values set by HAL_OPAMP_SelfCalibrate function). |
bogdanm | 0:9b334a45a8ff | 147 | |
bogdanm | 0:9b334a45a8ff | 148 | (#) Enable the OPAMP using HAL_OPAMP_Start() function. |
bogdanm | 0:9b334a45a8ff | 149 | |
bogdanm | 0:9b334a45a8ff | 150 | (#) Disable the OPAMP using HAL_OPAMP_Stop() function. |
bogdanm | 0:9b334a45a8ff | 151 | |
bogdanm | 0:9b334a45a8ff | 152 | (#) Lock the OPAMP in running mode using HAL_OPAMP_Lock() function. |
bogdanm | 0:9b334a45a8ff | 153 | Caution: On STM32L4, HAL OPAMP lock is software lock only (not |
bogdanm | 0:9b334a45a8ff | 154 | hardware lock as on some other STM32 devices) |
bogdanm | 0:9b334a45a8ff | 155 | |
bogdanm | 0:9b334a45a8ff | 156 | (#) If needed, unlock the OPAMP using HAL_OPAMPEx_Unlock() function. |
bogdanm | 0:9b334a45a8ff | 157 | |
bogdanm | 0:9b334a45a8ff | 158 | *** Running mode: change of configuration while OPAMP ON *** |
bogdanm | 0:9b334a45a8ff | 159 | ============================================ |
bogdanm | 0:9b334a45a8ff | 160 | [..] To Re-configure OPAMP when OPAMP is ON (change on the fly) |
bogdanm | 0:9b334a45a8ff | 161 | (#) If needed, fill in the HAL_OPAMP_MspInit() |
bogdanm | 0:9b334a45a8ff | 162 | (++) This is the case for instance if you wish to use new OPAMP I/O |
bogdanm | 0:9b334a45a8ff | 163 | |
bogdanm | 0:9b334a45a8ff | 164 | (#) Configure the OPAMP using HAL_OPAMP_Init() function: |
bogdanm | 0:9b334a45a8ff | 165 | (++) As in configure case, select first the parameters you wish to modify. |
bogdanm | 0:9b334a45a8ff | 166 | |
bogdanm | 0:9b334a45a8ff | 167 | (#) Change from low power mode to normal power mode (& vice versa) requires |
bogdanm | 0:9b334a45a8ff | 168 | first HAL_OPAMP_DeInit() (force OPAMP OFF) and then HAL_OPAMP_Init(). |
bogdanm | 0:9b334a45a8ff | 169 | In other words, of OPAMP is ON, HAL_OPAMP_Init can NOT change power mode |
bogdanm | 0:9b334a45a8ff | 170 | alone. |
bogdanm | 0:9b334a45a8ff | 171 | |
bogdanm | 0:9b334a45a8ff | 172 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 173 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 174 | * @attention |
bogdanm | 0:9b334a45a8ff | 175 | * |
bogdanm | 0:9b334a45a8ff | 176 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
bogdanm | 0:9b334a45a8ff | 177 | * |
bogdanm | 0:9b334a45a8ff | 178 | * Redistribution and use in source and binary forms, with or without modification, |
bogdanm | 0:9b334a45a8ff | 179 | * are permitted provided that the following conditions are met: |
bogdanm | 0:9b334a45a8ff | 180 | * 1. Redistributions of source code must retain the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 181 | * this list of conditions and the following disclaimer. |
bogdanm | 0:9b334a45a8ff | 182 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 183 | * this list of conditions and the following disclaimer in the documentation |
bogdanm | 0:9b334a45a8ff | 184 | * and/or other materials provided with the distribution. |
bogdanm | 0:9b334a45a8ff | 185 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
bogdanm | 0:9b334a45a8ff | 186 | * may be used to endorse or promote products derived from this software |
bogdanm | 0:9b334a45a8ff | 187 | * without specific prior written permission. |
bogdanm | 0:9b334a45a8ff | 188 | * |
bogdanm | 0:9b334a45a8ff | 189 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
bogdanm | 0:9b334a45a8ff | 190 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
bogdanm | 0:9b334a45a8ff | 191 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
bogdanm | 0:9b334a45a8ff | 192 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
bogdanm | 0:9b334a45a8ff | 193 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
bogdanm | 0:9b334a45a8ff | 194 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
bogdanm | 0:9b334a45a8ff | 195 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
bogdanm | 0:9b334a45a8ff | 196 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
bogdanm | 0:9b334a45a8ff | 197 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
bogdanm | 0:9b334a45a8ff | 198 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
bogdanm | 0:9b334a45a8ff | 199 | * |
bogdanm | 0:9b334a45a8ff | 200 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 201 | */ |
bogdanm | 0:9b334a45a8ff | 202 | |
bogdanm | 0:9b334a45a8ff | 203 | /* Includes ------------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 204 | #include "stm32l4xx_hal.h" |
bogdanm | 0:9b334a45a8ff | 205 | |
bogdanm | 0:9b334a45a8ff | 206 | /** @addtogroup STM32L4xx_HAL_Driver |
bogdanm | 0:9b334a45a8ff | 207 | * @{ |
bogdanm | 0:9b334a45a8ff | 208 | */ |
bogdanm | 0:9b334a45a8ff | 209 | |
bogdanm | 0:9b334a45a8ff | 210 | /** @defgroup OPAMP OPAMP |
bogdanm | 0:9b334a45a8ff | 211 | * @brief OPAMP module driver |
bogdanm | 0:9b334a45a8ff | 212 | * @{ |
bogdanm | 0:9b334a45a8ff | 213 | */ |
bogdanm | 0:9b334a45a8ff | 214 | |
bogdanm | 0:9b334a45a8ff | 215 | #ifdef HAL_OPAMP_MODULE_ENABLED |
bogdanm | 0:9b334a45a8ff | 216 | |
bogdanm | 0:9b334a45a8ff | 217 | /* Private types -------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 218 | /* Private variables ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 219 | /* Private constants ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 220 | /** @addtogroup OPAMP_Private_Constants |
bogdanm | 0:9b334a45a8ff | 221 | * @{ |
bogdanm | 0:9b334a45a8ff | 222 | */ |
bogdanm | 0:9b334a45a8ff | 223 | |
bogdanm | 0:9b334a45a8ff | 224 | /* CSR register reset value */ |
bogdanm | 0:9b334a45a8ff | 225 | #define OPAMP_CSR_RESET_VALUE ((uint32_t)0x00000000) |
bogdanm | 0:9b334a45a8ff | 226 | |
bogdanm | 0:9b334a45a8ff | 227 | #define OPAMP_CSR_RESET_BITS (OPAMP_CSR_OPAMPxEN | OPAMP_CSR_OPALPM | OPAMP_CSR_OPAMODE \ |
bogdanm | 0:9b334a45a8ff | 228 | | OPAMP_CSR_PGGAIN | OPAMP_CSR_VMSEL | OPAMP_CSR_VPSEL \ |
bogdanm | 0:9b334a45a8ff | 229 | | OPAMP_CSR_CALON | OPAMP_CSR_USERTRIM) |
bogdanm | 0:9b334a45a8ff | 230 | |
bogdanm | 0:9b334a45a8ff | 231 | /* CSR Init masks */ |
bogdanm | 0:9b334a45a8ff | 232 | #define OPAMP_CSR_INIT_MASK_PGA (OPAMP_CSR_OPALPM | OPAMP_CSR_OPAMODE| OPAMP_CSR_PGGAIN \ |
bogdanm | 0:9b334a45a8ff | 233 | | OPAMP_CSR_VMSEL | OPAMP_CSR_VPSEL | OPAMP_CSR_USERTRIM) |
bogdanm | 0:9b334a45a8ff | 234 | |
bogdanm | 0:9b334a45a8ff | 235 | #define OPAMP_CSR_INIT_MASK_FOLLOWER (OPAMP_CSR_OPALPM | OPAMP_CSR_OPAMODE| OPAMP_CSR_VPSEL \ |
bogdanm | 0:9b334a45a8ff | 236 | | OPAMP_CSR_USERTRIM) |
bogdanm | 0:9b334a45a8ff | 237 | |
bogdanm | 0:9b334a45a8ff | 238 | #define OPAMP_CSR_INIT_MASK_STANDALONE (OPAMP_CSR_OPALPM | OPAMP_CSR_OPAMODE| OPAMP_CSR_VPSEL \ |
bogdanm | 0:9b334a45a8ff | 239 | | OPAMP_CSR_VMSEL | OPAMP_CSR_USERTRIM) |
bogdanm | 0:9b334a45a8ff | 240 | |
bogdanm | 0:9b334a45a8ff | 241 | |
bogdanm | 0:9b334a45a8ff | 242 | /** |
bogdanm | 0:9b334a45a8ff | 243 | * @} |
bogdanm | 0:9b334a45a8ff | 244 | */ |
bogdanm | 0:9b334a45a8ff | 245 | |
bogdanm | 0:9b334a45a8ff | 246 | /* Private macros ------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 247 | /* Private functions ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 248 | /* Exported functions --------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 249 | |
bogdanm | 0:9b334a45a8ff | 250 | /** @defgroup OPAMP_Exported_Functions OPAMP Exported Functions |
bogdanm | 0:9b334a45a8ff | 251 | * @{ |
bogdanm | 0:9b334a45a8ff | 252 | */ |
bogdanm | 0:9b334a45a8ff | 253 | |
bogdanm | 0:9b334a45a8ff | 254 | /** @defgroup OPAMP_Exported_Functions_Group1 Initialization and de-initialization functions |
bogdanm | 0:9b334a45a8ff | 255 | * @brief Initialization and Configuration functions |
bogdanm | 0:9b334a45a8ff | 256 | * |
bogdanm | 0:9b334a45a8ff | 257 | @verbatim |
bogdanm | 0:9b334a45a8ff | 258 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 259 | ##### Initialization and de-initialization functions ##### |
bogdanm | 0:9b334a45a8ff | 260 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 261 | |
bogdanm | 0:9b334a45a8ff | 262 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 263 | * @{ |
bogdanm | 0:9b334a45a8ff | 264 | */ |
bogdanm | 0:9b334a45a8ff | 265 | |
bogdanm | 0:9b334a45a8ff | 266 | /** |
bogdanm | 0:9b334a45a8ff | 267 | * @brief Initializes the OPAMP according to the specified |
bogdanm | 0:9b334a45a8ff | 268 | * parameters in the OPAMP_InitTypeDef and initialize the associated handle. |
bogdanm | 0:9b334a45a8ff | 269 | * @note If the selected opamp is locked, initialization can't be performed. |
bogdanm | 0:9b334a45a8ff | 270 | * To unlock the configuration, perform a system reset. |
bogdanm | 0:9b334a45a8ff | 271 | * @param hopamp: OPAMP handle |
bogdanm | 0:9b334a45a8ff | 272 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 273 | */ |
bogdanm | 0:9b334a45a8ff | 274 | HAL_StatusTypeDef HAL_OPAMP_Init(OPAMP_HandleTypeDef *hopamp) |
bogdanm | 0:9b334a45a8ff | 275 | { |
bogdanm | 0:9b334a45a8ff | 276 | HAL_StatusTypeDef status = HAL_OK; |
bogdanm | 0:9b334a45a8ff | 277 | uint32_t updateotrlpotr = 0; |
bogdanm | 0:9b334a45a8ff | 278 | |
bogdanm | 0:9b334a45a8ff | 279 | /* Check the OPAMP handle allocation and lock status */ |
bogdanm | 0:9b334a45a8ff | 280 | /* Init not allowed if calibration is ongoing */ |
bogdanm | 0:9b334a45a8ff | 281 | if((hopamp == NULL) || (hopamp->State == HAL_OPAMP_STATE_BUSYLOCKED) |
bogdanm | 0:9b334a45a8ff | 282 | || (hopamp->State == HAL_OPAMP_STATE_CALIBBUSY)) |
bogdanm | 0:9b334a45a8ff | 283 | { |
bogdanm | 0:9b334a45a8ff | 284 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 285 | } |
bogdanm | 0:9b334a45a8ff | 286 | else |
bogdanm | 0:9b334a45a8ff | 287 | { |
bogdanm | 0:9b334a45a8ff | 288 | /* Check the parameter */ |
bogdanm | 0:9b334a45a8ff | 289 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp->Instance)); |
bogdanm | 0:9b334a45a8ff | 290 | |
bogdanm | 0:9b334a45a8ff | 291 | /* Set OPAMP parameters */ |
bogdanm | 0:9b334a45a8ff | 292 | assert_param(IS_OPAMP_POWER_SUPPLY_RANGE(hopamp->Init.PowerSupplyRange)); |
bogdanm | 0:9b334a45a8ff | 293 | assert_param(IS_OPAMP_POWERMODE(hopamp->Init.PowerMode)); |
bogdanm | 0:9b334a45a8ff | 294 | assert_param(IS_OPAMP_FUNCTIONAL_NORMALMODE(hopamp->Init.Mode)); |
bogdanm | 0:9b334a45a8ff | 295 | assert_param(IS_OPAMP_NONINVERTING_INPUT(hopamp->Init.NonInvertingInput)); |
bogdanm | 0:9b334a45a8ff | 296 | |
bogdanm | 0:9b334a45a8ff | 297 | if ((hopamp->Init.Mode) == OPAMP_STANDALONE_MODE) |
bogdanm | 0:9b334a45a8ff | 298 | { |
bogdanm | 0:9b334a45a8ff | 299 | assert_param(IS_OPAMP_INVERTING_INPUT_STANDALONE(hopamp->Init.InvertingInput)); |
bogdanm | 0:9b334a45a8ff | 300 | } |
bogdanm | 0:9b334a45a8ff | 301 | |
bogdanm | 0:9b334a45a8ff | 302 | if ((hopamp->Init.Mode) == OPAMP_PGA_MODE) |
bogdanm | 0:9b334a45a8ff | 303 | { |
bogdanm | 0:9b334a45a8ff | 304 | assert_param(IS_OPAMP_INVERTING_INPUT_PGA(hopamp->Init.InvertingInput)); |
bogdanm | 0:9b334a45a8ff | 305 | } |
bogdanm | 0:9b334a45a8ff | 306 | |
bogdanm | 0:9b334a45a8ff | 307 | if ((hopamp->Init.Mode) == OPAMP_PGA_MODE) |
bogdanm | 0:9b334a45a8ff | 308 | { |
bogdanm | 0:9b334a45a8ff | 309 | assert_param(IS_OPAMP_PGA_GAIN(hopamp->Init.PgaGain)); |
bogdanm | 0:9b334a45a8ff | 310 | } |
bogdanm | 0:9b334a45a8ff | 311 | |
bogdanm | 0:9b334a45a8ff | 312 | assert_param(IS_OPAMP_TRIMMING(hopamp->Init.UserTrimming)); |
bogdanm | 0:9b334a45a8ff | 313 | if ((hopamp->Init.UserTrimming) == OPAMP_TRIMMING_USER) |
bogdanm | 0:9b334a45a8ff | 314 | { |
bogdanm | 0:9b334a45a8ff | 315 | if (hopamp->Init.PowerMode == OPAMP_POWERMODE_NORMAL) |
bogdanm | 0:9b334a45a8ff | 316 | { |
bogdanm | 0:9b334a45a8ff | 317 | assert_param(IS_OPAMP_TRIMMINGVALUE(hopamp->Init.TrimmingValueP)); |
bogdanm | 0:9b334a45a8ff | 318 | assert_param(IS_OPAMP_TRIMMINGVALUE(hopamp->Init.TrimmingValueN)); |
bogdanm | 0:9b334a45a8ff | 319 | } |
bogdanm | 0:9b334a45a8ff | 320 | else |
bogdanm | 0:9b334a45a8ff | 321 | { |
bogdanm | 0:9b334a45a8ff | 322 | assert_param(IS_OPAMP_TRIMMINGVALUE(hopamp->Init.TrimmingValuePLowPower)); |
bogdanm | 0:9b334a45a8ff | 323 | assert_param(IS_OPAMP_TRIMMINGVALUE(hopamp->Init.TrimmingValueNLowPower)); |
bogdanm | 0:9b334a45a8ff | 324 | } |
bogdanm | 0:9b334a45a8ff | 325 | } |
bogdanm | 0:9b334a45a8ff | 326 | |
bogdanm | 0:9b334a45a8ff | 327 | if(hopamp->State == HAL_OPAMP_STATE_RESET) |
bogdanm | 0:9b334a45a8ff | 328 | { |
bogdanm | 0:9b334a45a8ff | 329 | /* Allocate lock resource and initialize it */ |
bogdanm | 0:9b334a45a8ff | 330 | hopamp->Lock = HAL_UNLOCKED; |
bogdanm | 0:9b334a45a8ff | 331 | } |
bogdanm | 0:9b334a45a8ff | 332 | |
bogdanm | 0:9b334a45a8ff | 333 | /* Call MSP init function */ |
bogdanm | 0:9b334a45a8ff | 334 | HAL_OPAMP_MspInit(hopamp); |
bogdanm | 0:9b334a45a8ff | 335 | |
bogdanm | 0:9b334a45a8ff | 336 | /* Set operating mode */ |
bogdanm | 0:9b334a45a8ff | 337 | CLEAR_BIT(hopamp->Instance->CSR, OPAMP_CSR_CALON); |
bogdanm | 0:9b334a45a8ff | 338 | |
bogdanm | 0:9b334a45a8ff | 339 | if (hopamp->Init.Mode == OPAMP_PGA_MODE) |
bogdanm | 0:9b334a45a8ff | 340 | { |
bogdanm | 0:9b334a45a8ff | 341 | MODIFY_REG(hopamp->Instance->CSR, OPAMP_CSR_INIT_MASK_PGA, \ |
bogdanm | 0:9b334a45a8ff | 342 | hopamp->Init.PowerMode | \ |
bogdanm | 0:9b334a45a8ff | 343 | hopamp->Init.Mode | \ |
bogdanm | 0:9b334a45a8ff | 344 | hopamp->Init.PgaGain | \ |
bogdanm | 0:9b334a45a8ff | 345 | hopamp->Init.InvertingInput | \ |
bogdanm | 0:9b334a45a8ff | 346 | hopamp->Init.NonInvertingInput | \ |
bogdanm | 0:9b334a45a8ff | 347 | hopamp->Init.UserTrimming); |
bogdanm | 0:9b334a45a8ff | 348 | } |
bogdanm | 0:9b334a45a8ff | 349 | |
bogdanm | 0:9b334a45a8ff | 350 | if (hopamp->Init.Mode == OPAMP_FOLLOWER_MODE) |
bogdanm | 0:9b334a45a8ff | 351 | { |
bogdanm | 0:9b334a45a8ff | 352 | /* In Follower mode InvertingInput is Not Applicable */ |
bogdanm | 0:9b334a45a8ff | 353 | MODIFY_REG(hopamp->Instance->CSR, OPAMP_CSR_INIT_MASK_FOLLOWER, \ |
bogdanm | 0:9b334a45a8ff | 354 | hopamp->Init.PowerMode | \ |
bogdanm | 0:9b334a45a8ff | 355 | hopamp->Init.Mode | \ |
bogdanm | 0:9b334a45a8ff | 356 | hopamp->Init.NonInvertingInput | \ |
bogdanm | 0:9b334a45a8ff | 357 | hopamp->Init.UserTrimming); |
bogdanm | 0:9b334a45a8ff | 358 | } |
bogdanm | 0:9b334a45a8ff | 359 | |
bogdanm | 0:9b334a45a8ff | 360 | if (hopamp->Init.Mode == OPAMP_STANDALONE_MODE) |
bogdanm | 0:9b334a45a8ff | 361 | { |
bogdanm | 0:9b334a45a8ff | 362 | MODIFY_REG(hopamp->Instance->CSR, OPAMP_CSR_INIT_MASK_STANDALONE, \ |
bogdanm | 0:9b334a45a8ff | 363 | hopamp->Init.PowerMode | \ |
bogdanm | 0:9b334a45a8ff | 364 | hopamp->Init.Mode | \ |
bogdanm | 0:9b334a45a8ff | 365 | hopamp->Init.InvertingInput | \ |
bogdanm | 0:9b334a45a8ff | 366 | hopamp->Init.NonInvertingInput | \ |
bogdanm | 0:9b334a45a8ff | 367 | hopamp->Init.UserTrimming); |
bogdanm | 0:9b334a45a8ff | 368 | } |
bogdanm | 0:9b334a45a8ff | 369 | |
bogdanm | 0:9b334a45a8ff | 370 | if (hopamp->Init.UserTrimming == OPAMP_TRIMMING_USER) |
bogdanm | 0:9b334a45a8ff | 371 | { |
bogdanm | 0:9b334a45a8ff | 372 | /* Set power mode and associated calibration parameters */ |
bogdanm | 0:9b334a45a8ff | 373 | if (hopamp->Init.PowerMode != OPAMP_POWERMODE_LOWPOWER) |
bogdanm | 0:9b334a45a8ff | 374 | { |
bogdanm | 0:9b334a45a8ff | 375 | /* OPAMP_POWERMODE_NORMAL */ |
bogdanm | 0:9b334a45a8ff | 376 | /* Set calibration mode (factory or user) and values for */ |
bogdanm | 0:9b334a45a8ff | 377 | /* transistors differential pair high (PMOS) and low (NMOS) for */ |
bogdanm | 0:9b334a45a8ff | 378 | /* normal mode. */ |
bogdanm | 0:9b334a45a8ff | 379 | updateotrlpotr = (((hopamp->Init.TrimmingValueP) << (OPAMP_INPUT_NONINVERTING)) \ |
bogdanm | 0:9b334a45a8ff | 380 | | (hopamp->Init.TrimmingValueN)); |
bogdanm | 0:9b334a45a8ff | 381 | MODIFY_REG(hopamp->Instance->OTR, OPAMP_OTR_TRIMOFFSETN | OPAMP_OTR_TRIMOFFSETP, updateotrlpotr); |
bogdanm | 0:9b334a45a8ff | 382 | } |
bogdanm | 0:9b334a45a8ff | 383 | else |
bogdanm | 0:9b334a45a8ff | 384 | { |
bogdanm | 0:9b334a45a8ff | 385 | /* OPAMP_POWERMODE_LOWPOWER */ |
bogdanm | 0:9b334a45a8ff | 386 | /* transistors differential pair high (PMOS) and low (NMOS) for */ |
bogdanm | 0:9b334a45a8ff | 387 | /* low power mode. */ |
bogdanm | 0:9b334a45a8ff | 388 | updateotrlpotr = (((hopamp->Init.TrimmingValuePLowPower) << (OPAMP_INPUT_NONINVERTING)) \ |
bogdanm | 0:9b334a45a8ff | 389 | | (hopamp->Init.TrimmingValueNLowPower)); |
bogdanm | 0:9b334a45a8ff | 390 | MODIFY_REG(hopamp->Instance->LPOTR, OPAMP_OTR_TRIMOFFSETN | OPAMP_OTR_TRIMOFFSETP, updateotrlpotr); |
bogdanm | 0:9b334a45a8ff | 391 | } |
bogdanm | 0:9b334a45a8ff | 392 | } |
bogdanm | 0:9b334a45a8ff | 393 | |
bogdanm | 0:9b334a45a8ff | 394 | /* Configure the power supply range */ |
bogdanm | 0:9b334a45a8ff | 395 | /* The OPAMP_CSR_OPARANGE is common configuration for all OPAMPs */ |
bogdanm | 0:9b334a45a8ff | 396 | /* bit OPAMP1_CSR_OPARANGE is used for both OPAMPs */ |
bogdanm | 0:9b334a45a8ff | 397 | MODIFY_REG(OPAMP1->CSR, OPAMP1_CSR_OPARANGE, hopamp->Init.PowerSupplyRange); |
bogdanm | 0:9b334a45a8ff | 398 | |
bogdanm | 0:9b334a45a8ff | 399 | /* Update the OPAMP state*/ |
bogdanm | 0:9b334a45a8ff | 400 | if (hopamp->State == HAL_OPAMP_STATE_RESET) |
bogdanm | 0:9b334a45a8ff | 401 | { |
bogdanm | 0:9b334a45a8ff | 402 | /* From RESET state to READY State */ |
bogdanm | 0:9b334a45a8ff | 403 | hopamp->State = HAL_OPAMP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 404 | } |
bogdanm | 0:9b334a45a8ff | 405 | /* else: remain in READY or BUSY state (no update) */ |
bogdanm | 0:9b334a45a8ff | 406 | return status; |
bogdanm | 0:9b334a45a8ff | 407 | } |
bogdanm | 0:9b334a45a8ff | 408 | } |
bogdanm | 0:9b334a45a8ff | 409 | |
bogdanm | 0:9b334a45a8ff | 410 | /** |
bogdanm | 0:9b334a45a8ff | 411 | * @brief DeInitialize the OPAMP peripheral. |
bogdanm | 0:9b334a45a8ff | 412 | * @note Deinitialization can be performed if the OPAMP configuration is locked. |
bogdanm | 0:9b334a45a8ff | 413 | * (the lock is SW in L4) |
bogdanm | 0:9b334a45a8ff | 414 | * @param hopamp: OPAMP handle |
bogdanm | 0:9b334a45a8ff | 415 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 416 | */ |
bogdanm | 0:9b334a45a8ff | 417 | HAL_StatusTypeDef HAL_OPAMP_DeInit(OPAMP_HandleTypeDef *hopamp) |
bogdanm | 0:9b334a45a8ff | 418 | { |
bogdanm | 0:9b334a45a8ff | 419 | HAL_StatusTypeDef status = HAL_OK; |
bogdanm | 0:9b334a45a8ff | 420 | |
bogdanm | 0:9b334a45a8ff | 421 | /* Check the OPAMP handle allocation */ |
bogdanm | 0:9b334a45a8ff | 422 | /* DeInit not allowed if calibration is ongoing */ |
bogdanm | 0:9b334a45a8ff | 423 | if((hopamp == NULL) || (hopamp->State == HAL_OPAMP_STATE_CALIBBUSY)) |
bogdanm | 0:9b334a45a8ff | 424 | { |
bogdanm | 0:9b334a45a8ff | 425 | status = HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 426 | } |
bogdanm | 0:9b334a45a8ff | 427 | else |
bogdanm | 0:9b334a45a8ff | 428 | { |
bogdanm | 0:9b334a45a8ff | 429 | /* Check the parameter */ |
bogdanm | 0:9b334a45a8ff | 430 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp->Instance)); |
bogdanm | 0:9b334a45a8ff | 431 | |
bogdanm | 0:9b334a45a8ff | 432 | /* Set OPAMP_CSR register to reset value */ |
bogdanm | 0:9b334a45a8ff | 433 | /* Mind that OPAMP1_CSR_OPARANGE of CSR of OPAMP1 remains unchanged (applies to both OPAMPs) */ |
bogdanm | 0:9b334a45a8ff | 434 | /* OPAMP shall be disabled first separately */ |
bogdanm | 0:9b334a45a8ff | 435 | CLEAR_BIT(hopamp->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
bogdanm | 0:9b334a45a8ff | 436 | MODIFY_REG(hopamp->Instance->CSR, OPAMP_CSR_RESET_BITS, OPAMP_CSR_RESET_VALUE); |
bogdanm | 0:9b334a45a8ff | 437 | |
bogdanm | 0:9b334a45a8ff | 438 | /* DeInit the low level hardware: GPIO, CLOCK and NVIC */ |
bogdanm | 0:9b334a45a8ff | 439 | HAL_OPAMP_MspDeInit(hopamp); |
bogdanm | 0:9b334a45a8ff | 440 | |
bogdanm | 0:9b334a45a8ff | 441 | /* Update the OPAMP state*/ |
bogdanm | 0:9b334a45a8ff | 442 | hopamp->State = HAL_OPAMP_STATE_RESET; |
bogdanm | 0:9b334a45a8ff | 443 | } |
bogdanm | 0:9b334a45a8ff | 444 | |
bogdanm | 0:9b334a45a8ff | 445 | /* Process unlocked */ |
bogdanm | 0:9b334a45a8ff | 446 | __HAL_UNLOCK(hopamp); |
bogdanm | 0:9b334a45a8ff | 447 | |
bogdanm | 0:9b334a45a8ff | 448 | return status; |
bogdanm | 0:9b334a45a8ff | 449 | } |
bogdanm | 0:9b334a45a8ff | 450 | |
bogdanm | 0:9b334a45a8ff | 451 | |
bogdanm | 0:9b334a45a8ff | 452 | /** |
bogdanm | 0:9b334a45a8ff | 453 | * @brief Initialize the OPAMP MSP. |
bogdanm | 0:9b334a45a8ff | 454 | * @param hopamp: OPAMP handle |
bogdanm | 0:9b334a45a8ff | 455 | * @retval None |
bogdanm | 0:9b334a45a8ff | 456 | */ |
bogdanm | 0:9b334a45a8ff | 457 | __weak void HAL_OPAMP_MspInit(OPAMP_HandleTypeDef *hopamp) |
bogdanm | 0:9b334a45a8ff | 458 | { |
bogdanm | 0:9b334a45a8ff | 459 | /* NOTE : This function should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 460 | the function "HAL_OPAMP_MspInit()" must be implemented in the user file. |
bogdanm | 0:9b334a45a8ff | 461 | */ |
bogdanm | 0:9b334a45a8ff | 462 | } |
bogdanm | 0:9b334a45a8ff | 463 | |
bogdanm | 0:9b334a45a8ff | 464 | /** |
bogdanm | 0:9b334a45a8ff | 465 | * @brief DeInitialize OPAMP MSP. |
bogdanm | 0:9b334a45a8ff | 466 | * @param hopamp: OPAMP handle |
bogdanm | 0:9b334a45a8ff | 467 | * @retval None |
bogdanm | 0:9b334a45a8ff | 468 | */ |
bogdanm | 0:9b334a45a8ff | 469 | __weak void HAL_OPAMP_MspDeInit(OPAMP_HandleTypeDef *hopamp) |
bogdanm | 0:9b334a45a8ff | 470 | { |
bogdanm | 0:9b334a45a8ff | 471 | /* NOTE : This function should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 472 | the function "HAL_OPAMP_MspDeInit()" must be implemented in the user file. |
bogdanm | 0:9b334a45a8ff | 473 | */ |
bogdanm | 0:9b334a45a8ff | 474 | } |
bogdanm | 0:9b334a45a8ff | 475 | |
bogdanm | 0:9b334a45a8ff | 476 | /** |
bogdanm | 0:9b334a45a8ff | 477 | * @} |
bogdanm | 0:9b334a45a8ff | 478 | */ |
bogdanm | 0:9b334a45a8ff | 479 | |
bogdanm | 0:9b334a45a8ff | 480 | |
bogdanm | 0:9b334a45a8ff | 481 | /** @defgroup OPAMP_Exported_Functions_Group2 IO operation functions |
bogdanm | 0:9b334a45a8ff | 482 | * @brief IO operation functions |
bogdanm | 0:9b334a45a8ff | 483 | * |
bogdanm | 0:9b334a45a8ff | 484 | @verbatim |
bogdanm | 0:9b334a45a8ff | 485 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 486 | ##### IO operation functions ##### |
bogdanm | 0:9b334a45a8ff | 487 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 488 | [..] |
bogdanm | 0:9b334a45a8ff | 489 | This subsection provides a set of functions allowing to manage the OPAMP |
bogdanm | 0:9b334a45a8ff | 490 | start, stop and calibration actions. |
bogdanm | 0:9b334a45a8ff | 491 | |
bogdanm | 0:9b334a45a8ff | 492 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 493 | * @{ |
bogdanm | 0:9b334a45a8ff | 494 | */ |
bogdanm | 0:9b334a45a8ff | 495 | |
bogdanm | 0:9b334a45a8ff | 496 | /** |
bogdanm | 0:9b334a45a8ff | 497 | * @brief Start the OPAMP. |
bogdanm | 0:9b334a45a8ff | 498 | * @param hopamp: OPAMP handle |
bogdanm | 0:9b334a45a8ff | 499 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 500 | */ |
bogdanm | 0:9b334a45a8ff | 501 | |
bogdanm | 0:9b334a45a8ff | 502 | HAL_StatusTypeDef HAL_OPAMP_Start(OPAMP_HandleTypeDef *hopamp) |
bogdanm | 0:9b334a45a8ff | 503 | { |
bogdanm | 0:9b334a45a8ff | 504 | HAL_StatusTypeDef status = HAL_OK; |
bogdanm | 0:9b334a45a8ff | 505 | |
bogdanm | 0:9b334a45a8ff | 506 | /* Check the OPAMP handle allocation */ |
bogdanm | 0:9b334a45a8ff | 507 | /* Check if OPAMP locked */ |
bogdanm | 0:9b334a45a8ff | 508 | if((hopamp == NULL) || (hopamp->State == HAL_OPAMP_STATE_BUSYLOCKED)) |
bogdanm | 0:9b334a45a8ff | 509 | { |
bogdanm | 0:9b334a45a8ff | 510 | status = HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 511 | } |
bogdanm | 0:9b334a45a8ff | 512 | else |
bogdanm | 0:9b334a45a8ff | 513 | { |
bogdanm | 0:9b334a45a8ff | 514 | /* Check the parameter */ |
bogdanm | 0:9b334a45a8ff | 515 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp->Instance)); |
bogdanm | 0:9b334a45a8ff | 516 | |
bogdanm | 0:9b334a45a8ff | 517 | if(hopamp->State == HAL_OPAMP_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 518 | { |
bogdanm | 0:9b334a45a8ff | 519 | /* Enable the selected opamp */ |
bogdanm | 0:9b334a45a8ff | 520 | SET_BIT (hopamp->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
bogdanm | 0:9b334a45a8ff | 521 | |
bogdanm | 0:9b334a45a8ff | 522 | /* Update the OPAMP state*/ |
bogdanm | 0:9b334a45a8ff | 523 | /* From HAL_OPAMP_STATE_READY to HAL_OPAMP_STATE_BUSY */ |
bogdanm | 0:9b334a45a8ff | 524 | hopamp->State = HAL_OPAMP_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 525 | } |
bogdanm | 0:9b334a45a8ff | 526 | else |
bogdanm | 0:9b334a45a8ff | 527 | { |
bogdanm | 0:9b334a45a8ff | 528 | status = HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 529 | } |
bogdanm | 0:9b334a45a8ff | 530 | |
bogdanm | 0:9b334a45a8ff | 531 | } |
bogdanm | 0:9b334a45a8ff | 532 | return status; |
bogdanm | 0:9b334a45a8ff | 533 | } |
bogdanm | 0:9b334a45a8ff | 534 | |
bogdanm | 0:9b334a45a8ff | 535 | /** |
bogdanm | 0:9b334a45a8ff | 536 | * @brief Stop the OPAMP. |
bogdanm | 0:9b334a45a8ff | 537 | * @param hopamp: OPAMP handle |
bogdanm | 0:9b334a45a8ff | 538 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 539 | */ |
bogdanm | 0:9b334a45a8ff | 540 | HAL_StatusTypeDef HAL_OPAMP_Stop(OPAMP_HandleTypeDef *hopamp) |
bogdanm | 0:9b334a45a8ff | 541 | { |
bogdanm | 0:9b334a45a8ff | 542 | HAL_StatusTypeDef status = HAL_OK; |
bogdanm | 0:9b334a45a8ff | 543 | |
bogdanm | 0:9b334a45a8ff | 544 | /* Check the OPAMP handle allocation */ |
bogdanm | 0:9b334a45a8ff | 545 | /* Check if OPAMP locked */ |
bogdanm | 0:9b334a45a8ff | 546 | /* Check if OPAMP calibration ongoing */ |
bogdanm | 0:9b334a45a8ff | 547 | if((hopamp == NULL) || (hopamp->State == HAL_OPAMP_STATE_BUSYLOCKED) \ |
bogdanm | 0:9b334a45a8ff | 548 | || (hopamp->State == HAL_OPAMP_STATE_CALIBBUSY)) |
bogdanm | 0:9b334a45a8ff | 549 | { |
bogdanm | 0:9b334a45a8ff | 550 | status = HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 551 | } |
bogdanm | 0:9b334a45a8ff | 552 | else |
bogdanm | 0:9b334a45a8ff | 553 | { |
bogdanm | 0:9b334a45a8ff | 554 | /* Check the parameter */ |
bogdanm | 0:9b334a45a8ff | 555 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp->Instance)); |
bogdanm | 0:9b334a45a8ff | 556 | |
bogdanm | 0:9b334a45a8ff | 557 | if(hopamp->State == HAL_OPAMP_STATE_BUSY) |
bogdanm | 0:9b334a45a8ff | 558 | { |
bogdanm | 0:9b334a45a8ff | 559 | /* Disable the selected opamp */ |
bogdanm | 0:9b334a45a8ff | 560 | CLEAR_BIT (hopamp->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
bogdanm | 0:9b334a45a8ff | 561 | |
bogdanm | 0:9b334a45a8ff | 562 | /* Update the OPAMP state*/ |
bogdanm | 0:9b334a45a8ff | 563 | /* From HAL_OPAMP_STATE_BUSY to HAL_OPAMP_STATE_READY*/ |
bogdanm | 0:9b334a45a8ff | 564 | hopamp->State = HAL_OPAMP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 565 | } |
bogdanm | 0:9b334a45a8ff | 566 | else |
bogdanm | 0:9b334a45a8ff | 567 | { |
bogdanm | 0:9b334a45a8ff | 568 | status = HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 569 | } |
bogdanm | 0:9b334a45a8ff | 570 | } |
bogdanm | 0:9b334a45a8ff | 571 | return status; |
bogdanm | 0:9b334a45a8ff | 572 | } |
bogdanm | 0:9b334a45a8ff | 573 | |
bogdanm | 0:9b334a45a8ff | 574 | /** |
bogdanm | 0:9b334a45a8ff | 575 | * @brief Run the self calibration of one OPAMP. |
bogdanm | 0:9b334a45a8ff | 576 | * @note Calibration is performed in the mode specified in OPAMP init |
bogdanm | 0:9b334a45a8ff | 577 | * structure (mode normal or low-power). To perform calibration for |
bogdanm | 0:9b334a45a8ff | 578 | * both modes, repeat this function twice after OPAMP init structure |
bogdanm | 0:9b334a45a8ff | 579 | * accordingly updated. |
bogdanm | 0:9b334a45a8ff | 580 | * @note Calibration runs about 10 ms. |
bogdanm | 0:9b334a45a8ff | 581 | * @param hopamp handle |
bogdanm | 0:9b334a45a8ff | 582 | * @retval Updated offset trimming values (PMOS & NMOS), user trimming is enabled |
bogdanm | 0:9b334a45a8ff | 583 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 584 | |
bogdanm | 0:9b334a45a8ff | 585 | */ |
bogdanm | 0:9b334a45a8ff | 586 | |
bogdanm | 0:9b334a45a8ff | 587 | HAL_StatusTypeDef HAL_OPAMP_SelfCalibrate(OPAMP_HandleTypeDef *hopamp) |
bogdanm | 0:9b334a45a8ff | 588 | { |
bogdanm | 0:9b334a45a8ff | 589 | |
bogdanm | 0:9b334a45a8ff | 590 | HAL_StatusTypeDef status = HAL_OK; |
bogdanm | 0:9b334a45a8ff | 591 | |
bogdanm | 0:9b334a45a8ff | 592 | uint32_t trimmingvaluen = 0; |
bogdanm | 0:9b334a45a8ff | 593 | uint32_t trimmingvaluep = 0; |
bogdanm | 0:9b334a45a8ff | 594 | uint32_t delta; |
bogdanm | 0:9b334a45a8ff | 595 | |
bogdanm | 0:9b334a45a8ff | 596 | __IO uint32_t* tmp_opamp_reg_trimming; /* Selection of register of trimming depending on power mode: OTR or LPOTR */ |
bogdanm | 0:9b334a45a8ff | 597 | |
bogdanm | 0:9b334a45a8ff | 598 | /* Check the OPAMP handle allocation */ |
bogdanm | 0:9b334a45a8ff | 599 | /* Check if OPAMP locked */ |
bogdanm | 0:9b334a45a8ff | 600 | if((hopamp == NULL) || (hopamp->State == HAL_OPAMP_STATE_BUSYLOCKED)) |
bogdanm | 0:9b334a45a8ff | 601 | { |
bogdanm | 0:9b334a45a8ff | 602 | status = HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 603 | } |
bogdanm | 0:9b334a45a8ff | 604 | else |
bogdanm | 0:9b334a45a8ff | 605 | { |
bogdanm | 0:9b334a45a8ff | 606 | |
bogdanm | 0:9b334a45a8ff | 607 | /* Check if OPAMP in calibration mode and calibration not yet enable */ |
bogdanm | 0:9b334a45a8ff | 608 | if(hopamp->State == HAL_OPAMP_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 609 | { |
bogdanm | 0:9b334a45a8ff | 610 | /* Check the parameter */ |
bogdanm | 0:9b334a45a8ff | 611 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp->Instance)); |
bogdanm | 0:9b334a45a8ff | 612 | assert_param(IS_OPAMP_POWERMODE(hopamp->Init.PowerMode)); |
bogdanm | 0:9b334a45a8ff | 613 | |
bogdanm | 0:9b334a45a8ff | 614 | /* user trimming values are used for offset calibration */ |
bogdanm | 0:9b334a45a8ff | 615 | SET_BIT(hopamp->Instance->CSR, OPAMP_CSR_USERTRIM); |
bogdanm | 0:9b334a45a8ff | 616 | |
bogdanm | 0:9b334a45a8ff | 617 | /* Select trimming settings depending on power mode */ |
bogdanm | 0:9b334a45a8ff | 618 | if (hopamp->Init.PowerMode == OPAMP_POWERMODE_NORMAL) |
bogdanm | 0:9b334a45a8ff | 619 | { |
bogdanm | 0:9b334a45a8ff | 620 | tmp_opamp_reg_trimming = &hopamp->Instance->OTR; |
bogdanm | 0:9b334a45a8ff | 621 | } |
bogdanm | 0:9b334a45a8ff | 622 | else |
bogdanm | 0:9b334a45a8ff | 623 | { |
bogdanm | 0:9b334a45a8ff | 624 | tmp_opamp_reg_trimming = &hopamp->Instance->LPOTR; |
bogdanm | 0:9b334a45a8ff | 625 | } |
bogdanm | 0:9b334a45a8ff | 626 | |
bogdanm | 0:9b334a45a8ff | 627 | /* Enable calibration */ |
bogdanm | 0:9b334a45a8ff | 628 | SET_BIT (hopamp->Instance->CSR, OPAMP_CSR_CALON); |
bogdanm | 0:9b334a45a8ff | 629 | |
bogdanm | 0:9b334a45a8ff | 630 | /* 1st calibration - N */ |
bogdanm | 0:9b334a45a8ff | 631 | CLEAR_BIT (hopamp->Instance->CSR, OPAMP_CSR_CALSEL); |
bogdanm | 0:9b334a45a8ff | 632 | |
bogdanm | 0:9b334a45a8ff | 633 | /* Enable the selected opamp */ |
bogdanm | 0:9b334a45a8ff | 634 | SET_BIT (hopamp->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
bogdanm | 0:9b334a45a8ff | 635 | |
bogdanm | 0:9b334a45a8ff | 636 | /* Init trimming counter */ |
bogdanm | 0:9b334a45a8ff | 637 | /* Medium value */ |
bogdanm | 0:9b334a45a8ff | 638 | trimmingvaluen = 16; |
bogdanm | 0:9b334a45a8ff | 639 | delta = 8; |
bogdanm | 0:9b334a45a8ff | 640 | |
bogdanm | 0:9b334a45a8ff | 641 | while (delta != 0) |
bogdanm | 0:9b334a45a8ff | 642 | { |
bogdanm | 0:9b334a45a8ff | 643 | /* Set candidate trimming */ |
bogdanm | 0:9b334a45a8ff | 644 | /* OPAMP_POWERMODE_NORMAL */ |
bogdanm | 0:9b334a45a8ff | 645 | MODIFY_REG(*tmp_opamp_reg_trimming, OPAMP_OTR_TRIMOFFSETN, trimmingvaluen); |
bogdanm | 0:9b334a45a8ff | 646 | |
bogdanm | 0:9b334a45a8ff | 647 | /* OFFTRIMmax delay 1 ms as per datasheet (electrical characteristics */ |
bogdanm | 0:9b334a45a8ff | 648 | /* Offset trim time: during calibration, minimum time needed between */ |
bogdanm | 0:9b334a45a8ff | 649 | /* two steps to have 1 mV accuracy */ |
bogdanm | 0:9b334a45a8ff | 650 | HAL_Delay(OPAMP_TRIMMING_DELAY); |
bogdanm | 0:9b334a45a8ff | 651 | |
bogdanm | 0:9b334a45a8ff | 652 | if (READ_BIT(hopamp->Instance->CSR, OPAMP_CSR_CALOUT) != RESET) |
bogdanm | 0:9b334a45a8ff | 653 | { |
bogdanm | 0:9b334a45a8ff | 654 | /* OPAMP_CSR_CALOUT is HIGH try higher trimming */ |
bogdanm | 0:9b334a45a8ff | 655 | trimmingvaluen -= delta; |
bogdanm | 0:9b334a45a8ff | 656 | } |
bogdanm | 0:9b334a45a8ff | 657 | else |
bogdanm | 0:9b334a45a8ff | 658 | { |
bogdanm | 0:9b334a45a8ff | 659 | /* OPAMP_CSR_CALOUT is LOW try lower trimming */ |
bogdanm | 0:9b334a45a8ff | 660 | trimmingvaluen += delta; |
bogdanm | 0:9b334a45a8ff | 661 | } |
bogdanm | 0:9b334a45a8ff | 662 | /* Divide range by 2 to continue dichotomy sweep */ |
bogdanm | 0:9b334a45a8ff | 663 | delta >>= 1; |
bogdanm | 0:9b334a45a8ff | 664 | } |
bogdanm | 0:9b334a45a8ff | 665 | |
bogdanm | 0:9b334a45a8ff | 666 | /* Still need to check if right calibration is current value or one step below */ |
bogdanm | 0:9b334a45a8ff | 667 | /* Indeed the first value that causes the OUTCAL bit to change from 0 to 1 */ |
bogdanm | 0:9b334a45a8ff | 668 | /* Set candidate trimming */ |
bogdanm | 0:9b334a45a8ff | 669 | MODIFY_REG(*tmp_opamp_reg_trimming, OPAMP_OTR_TRIMOFFSETN, trimmingvaluen); |
bogdanm | 0:9b334a45a8ff | 670 | |
bogdanm | 0:9b334a45a8ff | 671 | /* OFFTRIMmax delay 1 ms as per datasheet (electrical characteristics */ |
bogdanm | 0:9b334a45a8ff | 672 | /* Offset trim time: during calibration, minimum time needed between */ |
bogdanm | 0:9b334a45a8ff | 673 | /* two steps to have 1 mV accuracy */ |
bogdanm | 0:9b334a45a8ff | 674 | HAL_Delay(OPAMP_TRIMMING_DELAY); |
bogdanm | 0:9b334a45a8ff | 675 | |
bogdanm | 0:9b334a45a8ff | 676 | if ((READ_BIT(hopamp->Instance->CSR, OPAMP_CSR_CALOUT)) == 0) |
bogdanm | 0:9b334a45a8ff | 677 | { |
bogdanm | 0:9b334a45a8ff | 678 | /* Trimming value is actually one value more */ |
bogdanm | 0:9b334a45a8ff | 679 | trimmingvaluen++; |
bogdanm | 0:9b334a45a8ff | 680 | /* Set right trimming */ |
bogdanm | 0:9b334a45a8ff | 681 | MODIFY_REG(*tmp_opamp_reg_trimming, OPAMP_OTR_TRIMOFFSETN, trimmingvaluen); |
bogdanm | 0:9b334a45a8ff | 682 | } |
bogdanm | 0:9b334a45a8ff | 683 | |
bogdanm | 0:9b334a45a8ff | 684 | /* 2nd calibration - P */ |
bogdanm | 0:9b334a45a8ff | 685 | SET_BIT (hopamp->Instance->CSR, OPAMP_CSR_CALSEL); |
bogdanm | 0:9b334a45a8ff | 686 | |
bogdanm | 0:9b334a45a8ff | 687 | /* Init trimming counter */ |
bogdanm | 0:9b334a45a8ff | 688 | /* Medium value */ |
bogdanm | 0:9b334a45a8ff | 689 | trimmingvaluep = 16; |
bogdanm | 0:9b334a45a8ff | 690 | delta = 8; |
bogdanm | 0:9b334a45a8ff | 691 | |
bogdanm | 0:9b334a45a8ff | 692 | while (delta != 0) |
bogdanm | 0:9b334a45a8ff | 693 | { |
bogdanm | 0:9b334a45a8ff | 694 | /* Set candidate trimming */ |
bogdanm | 0:9b334a45a8ff | 695 | /* OPAMP_POWERMODE_NORMAL */ |
bogdanm | 0:9b334a45a8ff | 696 | MODIFY_REG(*tmp_opamp_reg_trimming, OPAMP_OTR_TRIMOFFSETP, (trimmingvaluep<<OPAMP_INPUT_NONINVERTING)); |
bogdanm | 0:9b334a45a8ff | 697 | |
bogdanm | 0:9b334a45a8ff | 698 | /* OFFTRIMmax delay 1 ms as per datasheet (electrical characteristics */ |
bogdanm | 0:9b334a45a8ff | 699 | /* Offset trim time: during calibration, minimum time needed between */ |
bogdanm | 0:9b334a45a8ff | 700 | /* two steps to have 1 mV accuracy */ |
bogdanm | 0:9b334a45a8ff | 701 | HAL_Delay(OPAMP_TRIMMING_DELAY); |
bogdanm | 0:9b334a45a8ff | 702 | |
bogdanm | 0:9b334a45a8ff | 703 | if (READ_BIT(hopamp->Instance->CSR, OPAMP_CSR_CALOUT) != RESET) |
bogdanm | 0:9b334a45a8ff | 704 | { |
bogdanm | 0:9b334a45a8ff | 705 | /* OPAMP_CSR_CALOUT is HIGH try higher trimming */ |
bogdanm | 0:9b334a45a8ff | 706 | trimmingvaluep += delta; |
bogdanm | 0:9b334a45a8ff | 707 | } |
bogdanm | 0:9b334a45a8ff | 708 | else |
bogdanm | 0:9b334a45a8ff | 709 | { |
bogdanm | 0:9b334a45a8ff | 710 | /* OPAMP_CSR_CALOUT is LOW try lower trimming */ |
bogdanm | 0:9b334a45a8ff | 711 | trimmingvaluep -= delta; |
bogdanm | 0:9b334a45a8ff | 712 | } |
bogdanm | 0:9b334a45a8ff | 713 | |
bogdanm | 0:9b334a45a8ff | 714 | /* Divide range by 2 to continue dichotomy sweep */ |
bogdanm | 0:9b334a45a8ff | 715 | delta >>= 1; |
bogdanm | 0:9b334a45a8ff | 716 | } |
bogdanm | 0:9b334a45a8ff | 717 | |
bogdanm | 0:9b334a45a8ff | 718 | /* Still need to check if right calibration is current value or one step below */ |
bogdanm | 0:9b334a45a8ff | 719 | /* Indeed the first value that causes the OUTCAL bit to change from 1 to 0 */ |
bogdanm | 0:9b334a45a8ff | 720 | /* Set candidate trimming */ |
bogdanm | 0:9b334a45a8ff | 721 | MODIFY_REG(*tmp_opamp_reg_trimming, OPAMP_OTR_TRIMOFFSETP, (trimmingvaluep<<OPAMP_INPUT_NONINVERTING)); |
bogdanm | 0:9b334a45a8ff | 722 | |
bogdanm | 0:9b334a45a8ff | 723 | /* OFFTRIMmax delay 1 ms as per datasheet (electrical characteristics */ |
bogdanm | 0:9b334a45a8ff | 724 | /* Offset trim time: during calibration, minimum time needed between */ |
bogdanm | 0:9b334a45a8ff | 725 | /* two steps to have 1 mV accuracy */ |
bogdanm | 0:9b334a45a8ff | 726 | HAL_Delay(OPAMP_TRIMMING_DELAY); |
bogdanm | 0:9b334a45a8ff | 727 | |
bogdanm | 0:9b334a45a8ff | 728 | if (READ_BIT(hopamp->Instance->CSR, OPAMP_CSR_CALOUT) != RESET) |
bogdanm | 0:9b334a45a8ff | 729 | { |
bogdanm | 0:9b334a45a8ff | 730 | /* Trimming value is actually one value more */ |
bogdanm | 0:9b334a45a8ff | 731 | trimmingvaluep++; |
bogdanm | 0:9b334a45a8ff | 732 | MODIFY_REG(*tmp_opamp_reg_trimming, OPAMP_OTR_TRIMOFFSETP, (trimmingvaluep<<OPAMP_INPUT_NONINVERTING)); |
bogdanm | 0:9b334a45a8ff | 733 | } |
bogdanm | 0:9b334a45a8ff | 734 | |
bogdanm | 0:9b334a45a8ff | 735 | /* Disable the OPAMP */ |
bogdanm | 0:9b334a45a8ff | 736 | CLEAR_BIT (hopamp->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
bogdanm | 0:9b334a45a8ff | 737 | |
bogdanm | 0:9b334a45a8ff | 738 | /* Disable calibration & set normal mode (operating mode) */ |
bogdanm | 0:9b334a45a8ff | 739 | CLEAR_BIT (hopamp->Instance->CSR, OPAMP_CSR_CALON); |
bogdanm | 0:9b334a45a8ff | 740 | |
bogdanm | 0:9b334a45a8ff | 741 | /* Self calibration is successful */ |
bogdanm | 0:9b334a45a8ff | 742 | /* Store calibration(user trimming) results in init structure. */ |
bogdanm | 0:9b334a45a8ff | 743 | |
bogdanm | 0:9b334a45a8ff | 744 | /* Set user trimming mode */ |
bogdanm | 0:9b334a45a8ff | 745 | hopamp->Init.UserTrimming = OPAMP_TRIMMING_USER; |
bogdanm | 0:9b334a45a8ff | 746 | |
bogdanm | 0:9b334a45a8ff | 747 | /* Affect calibration parameters depending on mode normal/low power */ |
bogdanm | 0:9b334a45a8ff | 748 | if (hopamp->Init.PowerMode != OPAMP_POWERMODE_LOWPOWER) |
bogdanm | 0:9b334a45a8ff | 749 | { |
bogdanm | 0:9b334a45a8ff | 750 | /* Write calibration result N */ |
bogdanm | 0:9b334a45a8ff | 751 | hopamp->Init.TrimmingValueN = trimmingvaluen; |
bogdanm | 0:9b334a45a8ff | 752 | /* Write calibration result P */ |
bogdanm | 0:9b334a45a8ff | 753 | hopamp->Init.TrimmingValueP = trimmingvaluep; |
bogdanm | 0:9b334a45a8ff | 754 | } |
bogdanm | 0:9b334a45a8ff | 755 | else |
bogdanm | 0:9b334a45a8ff | 756 | { |
bogdanm | 0:9b334a45a8ff | 757 | /* Write calibration result N */ |
bogdanm | 0:9b334a45a8ff | 758 | hopamp->Init.TrimmingValueNLowPower = trimmingvaluen; |
bogdanm | 0:9b334a45a8ff | 759 | /* Write calibration result P */ |
bogdanm | 0:9b334a45a8ff | 760 | hopamp->Init.TrimmingValuePLowPower = trimmingvaluep; |
bogdanm | 0:9b334a45a8ff | 761 | } |
bogdanm | 0:9b334a45a8ff | 762 | } |
bogdanm | 0:9b334a45a8ff | 763 | |
bogdanm | 0:9b334a45a8ff | 764 | else |
bogdanm | 0:9b334a45a8ff | 765 | { |
bogdanm | 0:9b334a45a8ff | 766 | /* OPAMP can not be calibrated from this mode */ |
bogdanm | 0:9b334a45a8ff | 767 | status = HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 768 | } |
bogdanm | 0:9b334a45a8ff | 769 | } |
bogdanm | 0:9b334a45a8ff | 770 | return status; |
bogdanm | 0:9b334a45a8ff | 771 | } |
bogdanm | 0:9b334a45a8ff | 772 | |
bogdanm | 0:9b334a45a8ff | 773 | /** |
bogdanm | 0:9b334a45a8ff | 774 | * @} |
bogdanm | 0:9b334a45a8ff | 775 | */ |
bogdanm | 0:9b334a45a8ff | 776 | |
bogdanm | 0:9b334a45a8ff | 777 | /** @defgroup OPAMP_Exported_Functions_Group3 Peripheral Control functions |
bogdanm | 0:9b334a45a8ff | 778 | * @brief Peripheral Control functions |
bogdanm | 0:9b334a45a8ff | 779 | * |
bogdanm | 0:9b334a45a8ff | 780 | @verbatim |
bogdanm | 0:9b334a45a8ff | 781 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 782 | ##### Peripheral Control functions ##### |
bogdanm | 0:9b334a45a8ff | 783 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 784 | [..] |
bogdanm | 0:9b334a45a8ff | 785 | This subsection provides a set of functions allowing to control the OPAMP data |
bogdanm | 0:9b334a45a8ff | 786 | transfers. |
bogdanm | 0:9b334a45a8ff | 787 | |
bogdanm | 0:9b334a45a8ff | 788 | |
bogdanm | 0:9b334a45a8ff | 789 | |
bogdanm | 0:9b334a45a8ff | 790 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 791 | * @{ |
bogdanm | 0:9b334a45a8ff | 792 | */ |
bogdanm | 0:9b334a45a8ff | 793 | |
bogdanm | 0:9b334a45a8ff | 794 | /** |
bogdanm | 0:9b334a45a8ff | 795 | * @brief Lock the selected OPAMP configuration. |
bogdanm | 0:9b334a45a8ff | 796 | * @note On STM32L4, HAL OPAMP lock is software lock only (in |
bogdanm | 0:9b334a45a8ff | 797 | * contrast of hardware lock available on some other STM32 |
bogdanm | 0:9b334a45a8ff | 798 | * devices). |
bogdanm | 0:9b334a45a8ff | 799 | * @param hopamp: OPAMP handle |
bogdanm | 0:9b334a45a8ff | 800 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 801 | */ |
bogdanm | 0:9b334a45a8ff | 802 | HAL_StatusTypeDef HAL_OPAMP_Lock(OPAMP_HandleTypeDef *hopamp) |
bogdanm | 0:9b334a45a8ff | 803 | { |
bogdanm | 0:9b334a45a8ff | 804 | HAL_StatusTypeDef status = HAL_OK; |
bogdanm | 0:9b334a45a8ff | 805 | |
bogdanm | 0:9b334a45a8ff | 806 | /* Check the OPAMP handle allocation */ |
bogdanm | 0:9b334a45a8ff | 807 | /* Check if OPAMP locked */ |
bogdanm | 0:9b334a45a8ff | 808 | /* OPAMP can be locked when enabled and running in normal mode */ |
bogdanm | 0:9b334a45a8ff | 809 | /* It is meaningless otherwise */ |
bogdanm | 0:9b334a45a8ff | 810 | if((hopamp == NULL) || (hopamp->State == HAL_OPAMP_STATE_RESET) \ |
bogdanm | 0:9b334a45a8ff | 811 | || (hopamp->State == HAL_OPAMP_STATE_READY) \ |
bogdanm | 0:9b334a45a8ff | 812 | || (hopamp->State == HAL_OPAMP_STATE_CALIBBUSY)\ |
bogdanm | 0:9b334a45a8ff | 813 | || (hopamp->State == HAL_OPAMP_STATE_BUSYLOCKED)) |
bogdanm | 0:9b334a45a8ff | 814 | |
bogdanm | 0:9b334a45a8ff | 815 | { |
bogdanm | 0:9b334a45a8ff | 816 | status = HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 817 | } |
bogdanm | 0:9b334a45a8ff | 818 | |
bogdanm | 0:9b334a45a8ff | 819 | else |
bogdanm | 0:9b334a45a8ff | 820 | { |
bogdanm | 0:9b334a45a8ff | 821 | /* Check the parameter */ |
bogdanm | 0:9b334a45a8ff | 822 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp->Instance)); |
bogdanm | 0:9b334a45a8ff | 823 | |
bogdanm | 0:9b334a45a8ff | 824 | /* OPAMP state changed to locked */ |
bogdanm | 0:9b334a45a8ff | 825 | hopamp->State = HAL_OPAMP_STATE_BUSYLOCKED; |
bogdanm | 0:9b334a45a8ff | 826 | } |
bogdanm | 0:9b334a45a8ff | 827 | return status; |
bogdanm | 0:9b334a45a8ff | 828 | } |
bogdanm | 0:9b334a45a8ff | 829 | |
bogdanm | 0:9b334a45a8ff | 830 | /** |
bogdanm | 0:9b334a45a8ff | 831 | * @brief Return the OPAMP factory trimming value. |
bogdanm | 0:9b334a45a8ff | 832 | * @note On STM32L4 OPAMP, user can retrieve factory trimming if |
bogdanm | 0:9b334a45a8ff | 833 | * OPAMP has never been set to user trimming before. |
bogdanm | 0:9b334a45a8ff | 834 | * Therefore, this function must be called when OPAMP init |
bogdanm | 0:9b334a45a8ff | 835 | * parameter "UserTrimming" is set to trimming factory, |
bogdanm | 0:9b334a45a8ff | 836 | * and before OPAMP calibration (function |
bogdanm | 0:9b334a45a8ff | 837 | * "HAL_OPAMP_SelfCalibrate()"). |
bogdanm | 0:9b334a45a8ff | 838 | * Otherwise, factory trimming value cannot be retrieved and |
bogdanm | 0:9b334a45a8ff | 839 | * error status is returned. |
bogdanm | 0:9b334a45a8ff | 840 | * @param hopamp : OPAMP handle |
bogdanm | 0:9b334a45a8ff | 841 | * @param trimmingoffset : Trimming offset (P or N) |
bogdanm | 0:9b334a45a8ff | 842 | * This parameter must be a value of @ref OPAMP_FactoryTrimming |
bogdanm | 0:9b334a45a8ff | 843 | * @note Calibration parameter retrieved is corresponding to the mode |
bogdanm | 0:9b334a45a8ff | 844 | * specified in OPAMP init structure (mode normal or low-power). |
bogdanm | 0:9b334a45a8ff | 845 | * To retrieve calibration parameters for both modes, repeat this |
bogdanm | 0:9b334a45a8ff | 846 | * function after OPAMP init structure accordingly updated. |
bogdanm | 0:9b334a45a8ff | 847 | * @retval Trimming value (P or N): range: 0->31 |
bogdanm | 0:9b334a45a8ff | 848 | * or OPAMP_FACTORYTRIMMING_DUMMY if trimming value is not available |
bogdanm | 0:9b334a45a8ff | 849 | * |
bogdanm | 0:9b334a45a8ff | 850 | */ |
bogdanm | 0:9b334a45a8ff | 851 | |
bogdanm | 0:9b334a45a8ff | 852 | HAL_OPAMP_TrimmingValueTypeDef HAL_OPAMP_GetTrimOffset (OPAMP_HandleTypeDef *hopamp, uint32_t trimmingoffset) |
bogdanm | 0:9b334a45a8ff | 853 | { |
bogdanm | 0:9b334a45a8ff | 854 | HAL_OPAMP_TrimmingValueTypeDef trimmingvalue; |
bogdanm | 0:9b334a45a8ff | 855 | __IO uint32_t* tmp_opamp_reg_trimming; /* Selection of register of trimming depending on power mode: OTR or LPOTR */ |
bogdanm | 0:9b334a45a8ff | 856 | |
bogdanm | 0:9b334a45a8ff | 857 | /* Check the OPAMP handle allocation */ |
bogdanm | 0:9b334a45a8ff | 858 | /* Value can be retrieved in HAL_OPAMP_STATE_READY state */ |
bogdanm | 0:9b334a45a8ff | 859 | if((hopamp == NULL) || (hopamp->State == HAL_OPAMP_STATE_RESET) \ |
bogdanm | 0:9b334a45a8ff | 860 | || (hopamp->State == HAL_OPAMP_STATE_BUSY) \ |
bogdanm | 0:9b334a45a8ff | 861 | || (hopamp->State == HAL_OPAMP_STATE_CALIBBUSY)\ |
bogdanm | 0:9b334a45a8ff | 862 | || (hopamp->State == HAL_OPAMP_STATE_BUSYLOCKED)) |
bogdanm | 0:9b334a45a8ff | 863 | { |
bogdanm | 0:9b334a45a8ff | 864 | return OPAMP_FACTORYTRIMMING_DUMMY; |
bogdanm | 0:9b334a45a8ff | 865 | } |
bogdanm | 0:9b334a45a8ff | 866 | else |
bogdanm | 0:9b334a45a8ff | 867 | { |
bogdanm | 0:9b334a45a8ff | 868 | /* Check the parameter */ |
bogdanm | 0:9b334a45a8ff | 869 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp->Instance)); |
bogdanm | 0:9b334a45a8ff | 870 | assert_param(IS_OPAMP_FACTORYTRIMMING(trimmingoffset)); |
bogdanm | 0:9b334a45a8ff | 871 | assert_param(IS_OPAMP_POWERMODE(hopamp->Init.PowerMode)); |
bogdanm | 0:9b334a45a8ff | 872 | |
bogdanm | 0:9b334a45a8ff | 873 | /* Check the trimming mode */ |
bogdanm | 0:9b334a45a8ff | 874 | if (READ_BIT(hopamp->Instance->CSR,OPAMP_CSR_USERTRIM) != RESET) |
bogdanm | 0:9b334a45a8ff | 875 | { |
bogdanm | 0:9b334a45a8ff | 876 | /* This function must called when OPAMP init parameter "UserTrimming" */ |
bogdanm | 0:9b334a45a8ff | 877 | /* is set to trimming factory, and before OPAMP calibration (function */ |
bogdanm | 0:9b334a45a8ff | 878 | /* "HAL_OPAMP_SelfCalibrate()"). */ |
bogdanm | 0:9b334a45a8ff | 879 | /* Otherwise, factory trimming value cannot be retrieved and error */ |
bogdanm | 0:9b334a45a8ff | 880 | /* status is returned. */ |
bogdanm | 0:9b334a45a8ff | 881 | trimmingvalue = OPAMP_FACTORYTRIMMING_DUMMY; |
bogdanm | 0:9b334a45a8ff | 882 | } |
bogdanm | 0:9b334a45a8ff | 883 | else |
bogdanm | 0:9b334a45a8ff | 884 | { |
bogdanm | 0:9b334a45a8ff | 885 | /* Select trimming settings depending on power mode */ |
bogdanm | 0:9b334a45a8ff | 886 | if (hopamp->Init.PowerMode == OPAMP_POWERMODE_NORMAL) |
bogdanm | 0:9b334a45a8ff | 887 | { |
bogdanm | 0:9b334a45a8ff | 888 | tmp_opamp_reg_trimming = &OPAMP->OTR; |
bogdanm | 0:9b334a45a8ff | 889 | } |
bogdanm | 0:9b334a45a8ff | 890 | else |
bogdanm | 0:9b334a45a8ff | 891 | { |
bogdanm | 0:9b334a45a8ff | 892 | tmp_opamp_reg_trimming = &OPAMP->LPOTR; |
bogdanm | 0:9b334a45a8ff | 893 | } |
bogdanm | 0:9b334a45a8ff | 894 | |
bogdanm | 0:9b334a45a8ff | 895 | /* Get factory trimming */ |
bogdanm | 0:9b334a45a8ff | 896 | if (trimmingoffset == OPAMP_FACTORYTRIMMING_P) |
bogdanm | 0:9b334a45a8ff | 897 | { |
bogdanm | 0:9b334a45a8ff | 898 | /* OPAMP_FACTORYTRIMMING_P */ |
bogdanm | 0:9b334a45a8ff | 899 | trimmingvalue = ((*tmp_opamp_reg_trimming) & OPAMP_OTR_TRIMOFFSETP) >> OPAMP_INPUT_NONINVERTING; |
bogdanm | 0:9b334a45a8ff | 900 | } |
bogdanm | 0:9b334a45a8ff | 901 | else |
bogdanm | 0:9b334a45a8ff | 902 | { |
bogdanm | 0:9b334a45a8ff | 903 | /* OPAMP_FACTORYTRIMMING_N */ |
bogdanm | 0:9b334a45a8ff | 904 | trimmingvalue = (*tmp_opamp_reg_trimming) & OPAMP_OTR_TRIMOFFSETN; |
bogdanm | 0:9b334a45a8ff | 905 | } |
bogdanm | 0:9b334a45a8ff | 906 | } |
bogdanm | 0:9b334a45a8ff | 907 | } |
bogdanm | 0:9b334a45a8ff | 908 | return trimmingvalue; |
bogdanm | 0:9b334a45a8ff | 909 | } |
bogdanm | 0:9b334a45a8ff | 910 | |
bogdanm | 0:9b334a45a8ff | 911 | /** |
bogdanm | 0:9b334a45a8ff | 912 | * @} |
bogdanm | 0:9b334a45a8ff | 913 | */ |
bogdanm | 0:9b334a45a8ff | 914 | |
bogdanm | 0:9b334a45a8ff | 915 | |
bogdanm | 0:9b334a45a8ff | 916 | /** @defgroup OPAMP_Exported_Functions_Group4 Peripheral State functions |
bogdanm | 0:9b334a45a8ff | 917 | * @brief Peripheral State functions |
bogdanm | 0:9b334a45a8ff | 918 | * |
bogdanm | 0:9b334a45a8ff | 919 | @verbatim |
bogdanm | 0:9b334a45a8ff | 920 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 921 | ##### Peripheral State functions ##### |
bogdanm | 0:9b334a45a8ff | 922 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 923 | [..] |
bogdanm | 0:9b334a45a8ff | 924 | This subsection permits to get in run-time the status of the peripheral. |
bogdanm | 0:9b334a45a8ff | 925 | |
bogdanm | 0:9b334a45a8ff | 926 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 927 | * @{ |
bogdanm | 0:9b334a45a8ff | 928 | */ |
bogdanm | 0:9b334a45a8ff | 929 | |
bogdanm | 0:9b334a45a8ff | 930 | /** |
bogdanm | 0:9b334a45a8ff | 931 | * @brief Return the OPAMP handle state. |
bogdanm | 0:9b334a45a8ff | 932 | * @param hopamp : OPAMP handle |
bogdanm | 0:9b334a45a8ff | 933 | * @retval HAL state |
bogdanm | 0:9b334a45a8ff | 934 | */ |
bogdanm | 0:9b334a45a8ff | 935 | HAL_OPAMP_StateTypeDef HAL_OPAMP_GetState(OPAMP_HandleTypeDef *hopamp) |
bogdanm | 0:9b334a45a8ff | 936 | { |
bogdanm | 0:9b334a45a8ff | 937 | /* Check the OPAMP handle allocation */ |
bogdanm | 0:9b334a45a8ff | 938 | if(hopamp == NULL) |
bogdanm | 0:9b334a45a8ff | 939 | { |
bogdanm | 0:9b334a45a8ff | 940 | return HAL_OPAMP_STATE_RESET; |
bogdanm | 0:9b334a45a8ff | 941 | } |
bogdanm | 0:9b334a45a8ff | 942 | |
bogdanm | 0:9b334a45a8ff | 943 | /* Check the parameter */ |
bogdanm | 0:9b334a45a8ff | 944 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp->Instance)); |
bogdanm | 0:9b334a45a8ff | 945 | |
bogdanm | 0:9b334a45a8ff | 946 | /* Return OPAMP handle state */ |
bogdanm | 0:9b334a45a8ff | 947 | return hopamp->State; |
bogdanm | 0:9b334a45a8ff | 948 | } |
bogdanm | 0:9b334a45a8ff | 949 | |
bogdanm | 0:9b334a45a8ff | 950 | /** |
bogdanm | 0:9b334a45a8ff | 951 | * @} |
bogdanm | 0:9b334a45a8ff | 952 | */ |
bogdanm | 0:9b334a45a8ff | 953 | |
bogdanm | 0:9b334a45a8ff | 954 | /** |
bogdanm | 0:9b334a45a8ff | 955 | * @} |
bogdanm | 0:9b334a45a8ff | 956 | */ |
bogdanm | 0:9b334a45a8ff | 957 | |
bogdanm | 0:9b334a45a8ff | 958 | /** |
bogdanm | 0:9b334a45a8ff | 959 | * @} |
bogdanm | 0:9b334a45a8ff | 960 | */ |
bogdanm | 0:9b334a45a8ff | 961 | |
bogdanm | 0:9b334a45a8ff | 962 | #endif /* HAL_OPAMP_MODULE_ENABLED */ |
bogdanm | 0:9b334a45a8ff | 963 | /** |
bogdanm | 0:9b334a45a8ff | 964 | * @} |
bogdanm | 0:9b334a45a8ff | 965 | */ |
bogdanm | 0:9b334a45a8ff | 966 | |
bogdanm | 0:9b334a45a8ff | 967 | /** |
bogdanm | 0:9b334a45a8ff | 968 | * @} |
bogdanm | 0:9b334a45a8ff | 969 | */ |
bogdanm | 0:9b334a45a8ff | 970 | |
bogdanm | 0:9b334a45a8ff | 971 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |