mbed library sources
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targets/cmsis/TARGET_STM/TARGET_STM32L4/stm32l4xx_hal_opamp.c@610:813dcc80987e, 2015-08-14 (annotated)
- Committer:
- mbed_official
- Date:
- Fri Aug 14 13:15:17 2015 +0100
- Revision:
- 610:813dcc80987e
Synchronized with git revision 6d84db41c6833e0b9b024741eb0616a5f62d5599
Full URL: https://github.com/mbedmicro/mbed/commit/6d84db41c6833e0b9b024741eb0616a5f62d5599/
DISCO_F746NG - Improvements
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 610:813dcc80987e | 1 | /** |
mbed_official | 610:813dcc80987e | 2 | ****************************************************************************** |
mbed_official | 610:813dcc80987e | 3 | * @file stm32l4xx_hal_opamp.c |
mbed_official | 610:813dcc80987e | 4 | * @author MCD Application Team |
mbed_official | 610:813dcc80987e | 5 | * @version V1.0.0 |
mbed_official | 610:813dcc80987e | 6 | * @date 26-June-2015 |
mbed_official | 610:813dcc80987e | 7 | * @brief OPAMP HAL module driver. |
mbed_official | 610:813dcc80987e | 8 | * This file provides firmware functions to manage the following |
mbed_official | 610:813dcc80987e | 9 | * functionalities of the operational amplifier(s) peripheral: |
mbed_official | 610:813dcc80987e | 10 | * + OPAMP configuration |
mbed_official | 610:813dcc80987e | 11 | * + OPAMP calibration |
mbed_official | 610:813dcc80987e | 12 | * Thanks to |
mbed_official | 610:813dcc80987e | 13 | * + Initialization and de-initialization functions |
mbed_official | 610:813dcc80987e | 14 | * + IO operation functions |
mbed_official | 610:813dcc80987e | 15 | * + Peripheral Control functions |
mbed_official | 610:813dcc80987e | 16 | * + Peripheral State functions |
mbed_official | 610:813dcc80987e | 17 | * |
mbed_official | 610:813dcc80987e | 18 | @verbatim |
mbed_official | 610:813dcc80987e | 19 | ================================================================================ |
mbed_official | 610:813dcc80987e | 20 | ##### OPAMP Peripheral Features ##### |
mbed_official | 610:813dcc80987e | 21 | ================================================================================ |
mbed_official | 610:813dcc80987e | 22 | |
mbed_official | 610:813dcc80987e | 23 | [..] The device integrates 2 operational amplifiers OPAMP1 & OPAMP2 |
mbed_official | 610:813dcc80987e | 24 | |
mbed_official | 610:813dcc80987e | 25 | (#) The OPAMP(s) provide(s) several exclusive running modes. |
mbed_official | 610:813dcc80987e | 26 | (++) Standalone mode |
mbed_official | 610:813dcc80987e | 27 | (++) Programmable Gain Amplifier (PGA) mode (Resistor feedback output) |
mbed_official | 610:813dcc80987e | 28 | (++) Follower mode |
mbed_official | 610:813dcc80987e | 29 | |
mbed_official | 610:813dcc80987e | 30 | (#) All OPAMP (same for all OPAMPs) can operate in |
mbed_official | 610:813dcc80987e | 31 | (++) Either Low range (VDDA < 2.4V) power supply |
mbed_official | 610:813dcc80987e | 32 | (++) Or High range (VDDA > 2.4V) power supply |
mbed_official | 610:813dcc80987e | 33 | |
mbed_official | 610:813dcc80987e | 34 | (#) Each OPAMP(s) can be configured in normal and low power mode. |
mbed_official | 610:813dcc80987e | 35 | |
mbed_official | 610:813dcc80987e | 36 | (#) The OPAMP(s) provide(s) calibration capabilities. |
mbed_official | 610:813dcc80987e | 37 | (++) Calibration aims at correcting some offset for running mode. |
mbed_official | 610:813dcc80987e | 38 | (++) The OPAMP uses either factory calibration settings OR user defined |
mbed_official | 610:813dcc80987e | 39 | calibration (trimming) settings (i.e. trimming mode). |
mbed_official | 610:813dcc80987e | 40 | (++) The user defined settings can be figured out using self calibration |
mbed_official | 610:813dcc80987e | 41 | handled by HAL_OPAMP_SelfCalibrate, HAL_OPAMPEx_SelfCalibrateAll |
mbed_official | 610:813dcc80987e | 42 | (++) HAL_OPAMP_SelfCalibrate: |
mbed_official | 610:813dcc80987e | 43 | (+++) Runs automatically the calibration. |
mbed_official | 610:813dcc80987e | 44 | (+++) Enables the user trimming mode |
mbed_official | 610:813dcc80987e | 45 | (+++) Updates the init structure with trimming values with fresh calibration |
mbed_official | 610:813dcc80987e | 46 | results. |
mbed_official | 610:813dcc80987e | 47 | The user may store the calibration results for larger |
mbed_official | 610:813dcc80987e | 48 | (ex monitoring the trimming as a function of temperature |
mbed_official | 610:813dcc80987e | 49 | for instance) |
mbed_official | 610:813dcc80987e | 50 | (+++) HAL_OPAMPEx_SelfCalibrateAll |
mbed_official | 610:813dcc80987e | 51 | runs calibration of all OPAMPs in parallel to save search time. |
mbed_official | 610:813dcc80987e | 52 | |
mbed_official | 610:813dcc80987e | 53 | (#) Running mode: Standalone mode |
mbed_official | 610:813dcc80987e | 54 | (++) Gain is set externally (gain depends on external loads). |
mbed_official | 610:813dcc80987e | 55 | (++) Follower mode also possible externally by connecting the inverting input to |
mbed_official | 610:813dcc80987e | 56 | the output. |
mbed_official | 610:813dcc80987e | 57 | |
mbed_official | 610:813dcc80987e | 58 | (#) Running mode: Follower mode |
mbed_official | 610:813dcc80987e | 59 | (++) No Inverting Input is connected. |
mbed_official | 610:813dcc80987e | 60 | |
mbed_official | 610:813dcc80987e | 61 | (#) Running mode: Programmable Gain Amplifier (PGA) mode |
mbed_official | 610:813dcc80987e | 62 | (Resistor feedback output) |
mbed_official | 610:813dcc80987e | 63 | (++) The OPAMP(s) output(s) can be internally connected to resistor feedback |
mbed_official | 610:813dcc80987e | 64 | output. |
mbed_official | 610:813dcc80987e | 65 | (++) OPAMP gain is either 2, 4, 8 or 16. |
mbed_official | 610:813dcc80987e | 66 | |
mbed_official | 610:813dcc80987e | 67 | (#) The OPAMPs inverting input can be |
mbed_official | 610:813dcc80987e | 68 | selected among the list shown by table below. |
mbed_official | 610:813dcc80987e | 69 | |
mbed_official | 610:813dcc80987e | 70 | (#) The OPAMPs non inverting input can be |
mbed_official | 610:813dcc80987e | 71 | selected among the list shown by table below. |
mbed_official | 610:813dcc80987e | 72 | |
mbed_official | 610:813dcc80987e | 73 | [..] Table 1. OPAMPs inverting/non-inverting inputs for the STM32L4 devices: |
mbed_official | 610:813dcc80987e | 74 | |
mbed_official | 610:813dcc80987e | 75 | (+) +------------------------------------------------------------------------| |
mbed_official | 610:813dcc80987e | 76 | (+) | | | OPAMP1 | OPAMP2 | |
mbed_official | 610:813dcc80987e | 77 | (+) |-----------------|---------|----------------------|---------------------| |
mbed_official | 610:813dcc80987e | 78 | (+) | Inverting Input | VM_SEL | | | |
mbed_official | 610:813dcc80987e | 79 | (+) | | | IO0-> PA1 | IO0-> PA7 | |
mbed_official | 610:813dcc80987e | 80 | (+) | | | LOW LEAKAGE IO (2) | LOW LEAKAGE IO (2) | |
mbed_official | 610:813dcc80987e | 81 | (+) | | | Not connected | Not connected | |
mbed_official | 610:813dcc80987e | 82 | (+) | (1) | | PGA mode only | PGA mode only | |
mbed_official | 610:813dcc80987e | 83 | (+) |-----------------|---------|----------------------|---------------------| |
mbed_official | 610:813dcc80987e | 84 | (+) | Non Inverting | VM_SEL | | | |
mbed_official | 610:813dcc80987e | 85 | (+) | | | IO0-> PA0 (GPIO) | IO0-> PA6 (GPIO) | |
mbed_official | 610:813dcc80987e | 86 | (+) | Input | | DAC1_OUT1 internal | DAC1_OUT2 internal | |
mbed_official | 610:813dcc80987e | 87 | (+) +------------------------------------------------------------------------| |
mbed_official | 610:813dcc80987e | 88 | [..] (1): NA in follower mode. |
mbed_official | 610:813dcc80987e | 89 | [..](2): Available on some package only (ex. BGA132). |
mbed_official | 610:813dcc80987e | 90 | |
mbed_official | 610:813dcc80987e | 91 | [..] Table 2. OPAMPs outputs for the STM32L4 devices: |
mbed_official | 610:813dcc80987e | 92 | |
mbed_official | 610:813dcc80987e | 93 | (+) +------------------------------------------------------------------------- |
mbed_official | 610:813dcc80987e | 94 | (+) | | | OPAMP1 | OPAMP2 | |
mbed_official | 610:813dcc80987e | 95 | (+) |-----------------|--------|-----------------------|---------------------| |
mbed_official | 610:813dcc80987e | 96 | (+) | Output | VOUT | PA3 | PB0 | |
mbed_official | 610:813dcc80987e | 97 | (+) | | | & (2) ADC12_IN if | & (2) ADC12_IN if | |
mbed_official | 610:813dcc80987e | 98 | (+) | | | connected internally | connected internally| |
mbed_official | 610:813dcc80987e | 99 | (+) |-----------------|--------|-----------------------|---------------------| |
mbed_official | 610:813dcc80987e | 100 | [..] (2): ADC1 or ADC2 shall select IN15. |
mbed_official | 610:813dcc80987e | 101 | |
mbed_official | 610:813dcc80987e | 102 | ##### How to use this driver ##### |
mbed_official | 610:813dcc80987e | 103 | ================================================================================ |
mbed_official | 610:813dcc80987e | 104 | [..] |
mbed_official | 610:813dcc80987e | 105 | |
mbed_official | 610:813dcc80987e | 106 | *** Power supply range *** |
mbed_official | 610:813dcc80987e | 107 | ============================================ |
mbed_official | 610:813dcc80987e | 108 | [..] To run in low power mode: |
mbed_official | 610:813dcc80987e | 109 | |
mbed_official | 610:813dcc80987e | 110 | (#) Configure the OPAMP using HAL_OPAMP_Init() function: |
mbed_official | 610:813dcc80987e | 111 | (++) Select OPAMP_POWERSUPPLY_LOW (VDDA lower than 2.4V) |
mbed_official | 610:813dcc80987e | 112 | (++) Otherwise select OPAMP_POWERSUPPLY_HIGH (VDDA higher than 2.4V) |
mbed_official | 610:813dcc80987e | 113 | |
mbed_official | 610:813dcc80987e | 114 | *** Low / normal power mode *** |
mbed_official | 610:813dcc80987e | 115 | ============================================ |
mbed_official | 610:813dcc80987e | 116 | [..] To run in low power mode: |
mbed_official | 610:813dcc80987e | 117 | |
mbed_official | 610:813dcc80987e | 118 | (#) Configure the OPAMP using HAL_OPAMP_Init() function: |
mbed_official | 610:813dcc80987e | 119 | (++) Select OPAMP_POWERMODE_LOWPOWER |
mbed_official | 610:813dcc80987e | 120 | (++) Otherwise select OPAMP_POWERMODE_NORMAL |
mbed_official | 610:813dcc80987e | 121 | |
mbed_official | 610:813dcc80987e | 122 | *** Calibration *** |
mbed_official | 610:813dcc80987e | 123 | ============================================ |
mbed_official | 610:813dcc80987e | 124 | [..] To run the OPAMP calibration self calibration: |
mbed_official | 610:813dcc80987e | 125 | |
mbed_official | 610:813dcc80987e | 126 | (#) Start calibration using HAL_OPAMP_SelfCalibrate. |
mbed_official | 610:813dcc80987e | 127 | Store the calibration results. |
mbed_official | 610:813dcc80987e | 128 | |
mbed_official | 610:813dcc80987e | 129 | *** Running mode *** |
mbed_official | 610:813dcc80987e | 130 | ============================================ |
mbed_official | 610:813dcc80987e | 131 | |
mbed_official | 610:813dcc80987e | 132 | [..] To use the OPAMP, perform the following steps: |
mbed_official | 610:813dcc80987e | 133 | |
mbed_official | 610:813dcc80987e | 134 | (#) Fill in the HAL_OPAMP_MspInit() to |
mbed_official | 610:813dcc80987e | 135 | (++) Enable the OPAMP Peripheral clock using macro __HAL_RCC_OPAMP_CLK_ENABLE() |
mbed_official | 610:813dcc80987e | 136 | (++) Configure the OPAMP input AND output in analog mode using |
mbed_official | 610:813dcc80987e | 137 | HAL_GPIO_Init() to map the OPAMP output to the GPIO pin. |
mbed_official | 610:813dcc80987e | 138 | |
mbed_official | 610:813dcc80987e | 139 | (#) Configure the OPAMP using HAL_OPAMP_Init() function: |
mbed_official | 610:813dcc80987e | 140 | (++) Select the mode |
mbed_official | 610:813dcc80987e | 141 | (++) Select the inverting input |
mbed_official | 610:813dcc80987e | 142 | (++) Select the non-inverting input |
mbed_official | 610:813dcc80987e | 143 | (++) If PGA mode is enabled, Select if inverting input is connected. |
mbed_official | 610:813dcc80987e | 144 | (++) Select either factory or user defined trimming mode. |
mbed_official | 610:813dcc80987e | 145 | (++) If the user-defined trimming mode is enabled, select PMOS & NMOS trimming values |
mbed_official | 610:813dcc80987e | 146 | (typically values set by HAL_OPAMP_SelfCalibrate function). |
mbed_official | 610:813dcc80987e | 147 | |
mbed_official | 610:813dcc80987e | 148 | (#) Enable the OPAMP using HAL_OPAMP_Start() function. |
mbed_official | 610:813dcc80987e | 149 | |
mbed_official | 610:813dcc80987e | 150 | (#) Disable the OPAMP using HAL_OPAMP_Stop() function. |
mbed_official | 610:813dcc80987e | 151 | |
mbed_official | 610:813dcc80987e | 152 | (#) Lock the OPAMP in running mode using HAL_OPAMP_Lock() function. |
mbed_official | 610:813dcc80987e | 153 | Caution: On STM32L4, HAL OPAMP lock is software lock only (not |
mbed_official | 610:813dcc80987e | 154 | hardware lock as on some other STM32 devices) |
mbed_official | 610:813dcc80987e | 155 | |
mbed_official | 610:813dcc80987e | 156 | (#) If needed, unlock the OPAMP using HAL_OPAMPEx_Unlock() function. |
mbed_official | 610:813dcc80987e | 157 | |
mbed_official | 610:813dcc80987e | 158 | *** Running mode: change of configuration while OPAMP ON *** |
mbed_official | 610:813dcc80987e | 159 | ============================================ |
mbed_official | 610:813dcc80987e | 160 | [..] To Re-configure OPAMP when OPAMP is ON (change on the fly) |
mbed_official | 610:813dcc80987e | 161 | (#) If needed, fill in the HAL_OPAMP_MspInit() |
mbed_official | 610:813dcc80987e | 162 | (++) This is the case for instance if you wish to use new OPAMP I/O |
mbed_official | 610:813dcc80987e | 163 | |
mbed_official | 610:813dcc80987e | 164 | (#) Configure the OPAMP using HAL_OPAMP_Init() function: |
mbed_official | 610:813dcc80987e | 165 | (++) As in configure case, select first the parameters you wish to modify. |
mbed_official | 610:813dcc80987e | 166 | |
mbed_official | 610:813dcc80987e | 167 | (#) Change from low power mode to normal power mode (& vice versa) requires |
mbed_official | 610:813dcc80987e | 168 | first HAL_OPAMP_DeInit() (force OPAMP OFF) and then HAL_OPAMP_Init(). |
mbed_official | 610:813dcc80987e | 169 | In other words, of OPAMP is ON, HAL_OPAMP_Init can NOT change power mode |
mbed_official | 610:813dcc80987e | 170 | alone. |
mbed_official | 610:813dcc80987e | 171 | |
mbed_official | 610:813dcc80987e | 172 | @endverbatim |
mbed_official | 610:813dcc80987e | 173 | ****************************************************************************** |
mbed_official | 610:813dcc80987e | 174 | * @attention |
mbed_official | 610:813dcc80987e | 175 | * |
mbed_official | 610:813dcc80987e | 176 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
mbed_official | 610:813dcc80987e | 177 | * |
mbed_official | 610:813dcc80987e | 178 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 610:813dcc80987e | 179 | * are permitted provided that the following conditions are met: |
mbed_official | 610:813dcc80987e | 180 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 610:813dcc80987e | 181 | * this list of conditions and the following disclaimer. |
mbed_official | 610:813dcc80987e | 182 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 610:813dcc80987e | 183 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 610:813dcc80987e | 184 | * and/or other materials provided with the distribution. |
mbed_official | 610:813dcc80987e | 185 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 610:813dcc80987e | 186 | * may be used to endorse or promote products derived from this software |
mbed_official | 610:813dcc80987e | 187 | * without specific prior written permission. |
mbed_official | 610:813dcc80987e | 188 | * |
mbed_official | 610:813dcc80987e | 189 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 610:813dcc80987e | 190 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 610:813dcc80987e | 191 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 610:813dcc80987e | 192 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 610:813dcc80987e | 193 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 610:813dcc80987e | 194 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 610:813dcc80987e | 195 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 610:813dcc80987e | 196 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 610:813dcc80987e | 197 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 610:813dcc80987e | 198 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 610:813dcc80987e | 199 | * |
mbed_official | 610:813dcc80987e | 200 | ****************************************************************************** |
mbed_official | 610:813dcc80987e | 201 | */ |
mbed_official | 610:813dcc80987e | 202 | |
mbed_official | 610:813dcc80987e | 203 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 610:813dcc80987e | 204 | #include "stm32l4xx_hal.h" |
mbed_official | 610:813dcc80987e | 205 | |
mbed_official | 610:813dcc80987e | 206 | /** @addtogroup STM32L4xx_HAL_Driver |
mbed_official | 610:813dcc80987e | 207 | * @{ |
mbed_official | 610:813dcc80987e | 208 | */ |
mbed_official | 610:813dcc80987e | 209 | |
mbed_official | 610:813dcc80987e | 210 | /** @defgroup OPAMP OPAMP |
mbed_official | 610:813dcc80987e | 211 | * @brief OPAMP module driver |
mbed_official | 610:813dcc80987e | 212 | * @{ |
mbed_official | 610:813dcc80987e | 213 | */ |
mbed_official | 610:813dcc80987e | 214 | |
mbed_official | 610:813dcc80987e | 215 | #ifdef HAL_OPAMP_MODULE_ENABLED |
mbed_official | 610:813dcc80987e | 216 | |
mbed_official | 610:813dcc80987e | 217 | /* Private types -------------------------------------------------------------*/ |
mbed_official | 610:813dcc80987e | 218 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 610:813dcc80987e | 219 | /* Private constants ---------------------------------------------------------*/ |
mbed_official | 610:813dcc80987e | 220 | /** @addtogroup OPAMP_Private_Constants |
mbed_official | 610:813dcc80987e | 221 | * @{ |
mbed_official | 610:813dcc80987e | 222 | */ |
mbed_official | 610:813dcc80987e | 223 | |
mbed_official | 610:813dcc80987e | 224 | /* CSR register reset value */ |
mbed_official | 610:813dcc80987e | 225 | #define OPAMP_CSR_RESET_VALUE ((uint32_t)0x00000000) |
mbed_official | 610:813dcc80987e | 226 | |
mbed_official | 610:813dcc80987e | 227 | #define OPAMP_CSR_RESET_BITS (OPAMP_CSR_OPAMPxEN | OPAMP_CSR_OPALPM | OPAMP_CSR_OPAMODE \ |
mbed_official | 610:813dcc80987e | 228 | | OPAMP_CSR_PGGAIN | OPAMP_CSR_VMSEL | OPAMP_CSR_VPSEL \ |
mbed_official | 610:813dcc80987e | 229 | | OPAMP_CSR_CALON | OPAMP_CSR_USERTRIM) |
mbed_official | 610:813dcc80987e | 230 | |
mbed_official | 610:813dcc80987e | 231 | /* CSR Init masks */ |
mbed_official | 610:813dcc80987e | 232 | #define OPAMP_CSR_INIT_MASK_PGA (OPAMP_CSR_OPALPM | OPAMP_CSR_OPAMODE| OPAMP_CSR_PGGAIN \ |
mbed_official | 610:813dcc80987e | 233 | | OPAMP_CSR_VMSEL | OPAMP_CSR_VPSEL | OPAMP_CSR_USERTRIM) |
mbed_official | 610:813dcc80987e | 234 | |
mbed_official | 610:813dcc80987e | 235 | #define OPAMP_CSR_INIT_MASK_FOLLOWER (OPAMP_CSR_OPALPM | OPAMP_CSR_OPAMODE| OPAMP_CSR_VPSEL \ |
mbed_official | 610:813dcc80987e | 236 | | OPAMP_CSR_USERTRIM) |
mbed_official | 610:813dcc80987e | 237 | |
mbed_official | 610:813dcc80987e | 238 | #define OPAMP_CSR_INIT_MASK_STANDALONE (OPAMP_CSR_OPALPM | OPAMP_CSR_OPAMODE| OPAMP_CSR_VPSEL \ |
mbed_official | 610:813dcc80987e | 239 | | OPAMP_CSR_VMSEL | OPAMP_CSR_USERTRIM) |
mbed_official | 610:813dcc80987e | 240 | |
mbed_official | 610:813dcc80987e | 241 | |
mbed_official | 610:813dcc80987e | 242 | /** |
mbed_official | 610:813dcc80987e | 243 | * @} |
mbed_official | 610:813dcc80987e | 244 | */ |
mbed_official | 610:813dcc80987e | 245 | |
mbed_official | 610:813dcc80987e | 246 | /* Private macros ------------------------------------------------------------*/ |
mbed_official | 610:813dcc80987e | 247 | /* Private functions ---------------------------------------------------------*/ |
mbed_official | 610:813dcc80987e | 248 | /* Exported functions --------------------------------------------------------*/ |
mbed_official | 610:813dcc80987e | 249 | |
mbed_official | 610:813dcc80987e | 250 | /** @defgroup OPAMP_Exported_Functions OPAMP Exported Functions |
mbed_official | 610:813dcc80987e | 251 | * @{ |
mbed_official | 610:813dcc80987e | 252 | */ |
mbed_official | 610:813dcc80987e | 253 | |
mbed_official | 610:813dcc80987e | 254 | /** @defgroup OPAMP_Exported_Functions_Group1 Initialization and de-initialization functions |
mbed_official | 610:813dcc80987e | 255 | * @brief Initialization and Configuration functions |
mbed_official | 610:813dcc80987e | 256 | * |
mbed_official | 610:813dcc80987e | 257 | @verbatim |
mbed_official | 610:813dcc80987e | 258 | ============================================================================== |
mbed_official | 610:813dcc80987e | 259 | ##### Initialization and de-initialization functions ##### |
mbed_official | 610:813dcc80987e | 260 | ============================================================================== |
mbed_official | 610:813dcc80987e | 261 | |
mbed_official | 610:813dcc80987e | 262 | @endverbatim |
mbed_official | 610:813dcc80987e | 263 | * @{ |
mbed_official | 610:813dcc80987e | 264 | */ |
mbed_official | 610:813dcc80987e | 265 | |
mbed_official | 610:813dcc80987e | 266 | /** |
mbed_official | 610:813dcc80987e | 267 | * @brief Initializes the OPAMP according to the specified |
mbed_official | 610:813dcc80987e | 268 | * parameters in the OPAMP_InitTypeDef and initialize the associated handle. |
mbed_official | 610:813dcc80987e | 269 | * @note If the selected opamp is locked, initialization can't be performed. |
mbed_official | 610:813dcc80987e | 270 | * To unlock the configuration, perform a system reset. |
mbed_official | 610:813dcc80987e | 271 | * @param hopamp: OPAMP handle |
mbed_official | 610:813dcc80987e | 272 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 273 | */ |
mbed_official | 610:813dcc80987e | 274 | HAL_StatusTypeDef HAL_OPAMP_Init(OPAMP_HandleTypeDef *hopamp) |
mbed_official | 610:813dcc80987e | 275 | { |
mbed_official | 610:813dcc80987e | 276 | HAL_StatusTypeDef status = HAL_OK; |
mbed_official | 610:813dcc80987e | 277 | uint32_t updateotrlpotr = 0; |
mbed_official | 610:813dcc80987e | 278 | |
mbed_official | 610:813dcc80987e | 279 | /* Check the OPAMP handle allocation and lock status */ |
mbed_official | 610:813dcc80987e | 280 | /* Init not allowed if calibration is ongoing */ |
mbed_official | 610:813dcc80987e | 281 | if((hopamp == NULL) || (hopamp->State == HAL_OPAMP_STATE_BUSYLOCKED) |
mbed_official | 610:813dcc80987e | 282 | || (hopamp->State == HAL_OPAMP_STATE_CALIBBUSY)) |
mbed_official | 610:813dcc80987e | 283 | { |
mbed_official | 610:813dcc80987e | 284 | return HAL_ERROR; |
mbed_official | 610:813dcc80987e | 285 | } |
mbed_official | 610:813dcc80987e | 286 | else |
mbed_official | 610:813dcc80987e | 287 | { |
mbed_official | 610:813dcc80987e | 288 | /* Check the parameter */ |
mbed_official | 610:813dcc80987e | 289 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp->Instance)); |
mbed_official | 610:813dcc80987e | 290 | |
mbed_official | 610:813dcc80987e | 291 | /* Set OPAMP parameters */ |
mbed_official | 610:813dcc80987e | 292 | assert_param(IS_OPAMP_POWER_SUPPLY_RANGE(hopamp->Init.PowerSupplyRange)); |
mbed_official | 610:813dcc80987e | 293 | assert_param(IS_OPAMP_POWERMODE(hopamp->Init.PowerMode)); |
mbed_official | 610:813dcc80987e | 294 | assert_param(IS_OPAMP_FUNCTIONAL_NORMALMODE(hopamp->Init.Mode)); |
mbed_official | 610:813dcc80987e | 295 | assert_param(IS_OPAMP_NONINVERTING_INPUT(hopamp->Init.NonInvertingInput)); |
mbed_official | 610:813dcc80987e | 296 | |
mbed_official | 610:813dcc80987e | 297 | if ((hopamp->Init.Mode) == OPAMP_STANDALONE_MODE) |
mbed_official | 610:813dcc80987e | 298 | { |
mbed_official | 610:813dcc80987e | 299 | assert_param(IS_OPAMP_INVERTING_INPUT_STANDALONE(hopamp->Init.InvertingInput)); |
mbed_official | 610:813dcc80987e | 300 | } |
mbed_official | 610:813dcc80987e | 301 | |
mbed_official | 610:813dcc80987e | 302 | if ((hopamp->Init.Mode) == OPAMP_PGA_MODE) |
mbed_official | 610:813dcc80987e | 303 | { |
mbed_official | 610:813dcc80987e | 304 | assert_param(IS_OPAMP_INVERTING_INPUT_PGA(hopamp->Init.InvertingInput)); |
mbed_official | 610:813dcc80987e | 305 | } |
mbed_official | 610:813dcc80987e | 306 | |
mbed_official | 610:813dcc80987e | 307 | if ((hopamp->Init.Mode) == OPAMP_PGA_MODE) |
mbed_official | 610:813dcc80987e | 308 | { |
mbed_official | 610:813dcc80987e | 309 | assert_param(IS_OPAMP_PGA_GAIN(hopamp->Init.PgaGain)); |
mbed_official | 610:813dcc80987e | 310 | } |
mbed_official | 610:813dcc80987e | 311 | |
mbed_official | 610:813dcc80987e | 312 | assert_param(IS_OPAMP_TRIMMING(hopamp->Init.UserTrimming)); |
mbed_official | 610:813dcc80987e | 313 | if ((hopamp->Init.UserTrimming) == OPAMP_TRIMMING_USER) |
mbed_official | 610:813dcc80987e | 314 | { |
mbed_official | 610:813dcc80987e | 315 | if (hopamp->Init.PowerMode == OPAMP_POWERMODE_NORMAL) |
mbed_official | 610:813dcc80987e | 316 | { |
mbed_official | 610:813dcc80987e | 317 | assert_param(IS_OPAMP_TRIMMINGVALUE(hopamp->Init.TrimmingValueP)); |
mbed_official | 610:813dcc80987e | 318 | assert_param(IS_OPAMP_TRIMMINGVALUE(hopamp->Init.TrimmingValueN)); |
mbed_official | 610:813dcc80987e | 319 | } |
mbed_official | 610:813dcc80987e | 320 | else |
mbed_official | 610:813dcc80987e | 321 | { |
mbed_official | 610:813dcc80987e | 322 | assert_param(IS_OPAMP_TRIMMINGVALUE(hopamp->Init.TrimmingValuePLowPower)); |
mbed_official | 610:813dcc80987e | 323 | assert_param(IS_OPAMP_TRIMMINGVALUE(hopamp->Init.TrimmingValueNLowPower)); |
mbed_official | 610:813dcc80987e | 324 | } |
mbed_official | 610:813dcc80987e | 325 | } |
mbed_official | 610:813dcc80987e | 326 | |
mbed_official | 610:813dcc80987e | 327 | if(hopamp->State == HAL_OPAMP_STATE_RESET) |
mbed_official | 610:813dcc80987e | 328 | { |
mbed_official | 610:813dcc80987e | 329 | /* Allocate lock resource and initialize it */ |
mbed_official | 610:813dcc80987e | 330 | hopamp->Lock = HAL_UNLOCKED; |
mbed_official | 610:813dcc80987e | 331 | } |
mbed_official | 610:813dcc80987e | 332 | |
mbed_official | 610:813dcc80987e | 333 | /* Call MSP init function */ |
mbed_official | 610:813dcc80987e | 334 | HAL_OPAMP_MspInit(hopamp); |
mbed_official | 610:813dcc80987e | 335 | |
mbed_official | 610:813dcc80987e | 336 | /* Set operating mode */ |
mbed_official | 610:813dcc80987e | 337 | CLEAR_BIT(hopamp->Instance->CSR, OPAMP_CSR_CALON); |
mbed_official | 610:813dcc80987e | 338 | |
mbed_official | 610:813dcc80987e | 339 | if (hopamp->Init.Mode == OPAMP_PGA_MODE) |
mbed_official | 610:813dcc80987e | 340 | { |
mbed_official | 610:813dcc80987e | 341 | MODIFY_REG(hopamp->Instance->CSR, OPAMP_CSR_INIT_MASK_PGA, \ |
mbed_official | 610:813dcc80987e | 342 | hopamp->Init.PowerMode | \ |
mbed_official | 610:813dcc80987e | 343 | hopamp->Init.Mode | \ |
mbed_official | 610:813dcc80987e | 344 | hopamp->Init.PgaGain | \ |
mbed_official | 610:813dcc80987e | 345 | hopamp->Init.InvertingInput | \ |
mbed_official | 610:813dcc80987e | 346 | hopamp->Init.NonInvertingInput | \ |
mbed_official | 610:813dcc80987e | 347 | hopamp->Init.UserTrimming); |
mbed_official | 610:813dcc80987e | 348 | } |
mbed_official | 610:813dcc80987e | 349 | |
mbed_official | 610:813dcc80987e | 350 | if (hopamp->Init.Mode == OPAMP_FOLLOWER_MODE) |
mbed_official | 610:813dcc80987e | 351 | { |
mbed_official | 610:813dcc80987e | 352 | /* In Follower mode InvertingInput is Not Applicable */ |
mbed_official | 610:813dcc80987e | 353 | MODIFY_REG(hopamp->Instance->CSR, OPAMP_CSR_INIT_MASK_FOLLOWER, \ |
mbed_official | 610:813dcc80987e | 354 | hopamp->Init.PowerMode | \ |
mbed_official | 610:813dcc80987e | 355 | hopamp->Init.Mode | \ |
mbed_official | 610:813dcc80987e | 356 | hopamp->Init.NonInvertingInput | \ |
mbed_official | 610:813dcc80987e | 357 | hopamp->Init.UserTrimming); |
mbed_official | 610:813dcc80987e | 358 | } |
mbed_official | 610:813dcc80987e | 359 | |
mbed_official | 610:813dcc80987e | 360 | if (hopamp->Init.Mode == OPAMP_STANDALONE_MODE) |
mbed_official | 610:813dcc80987e | 361 | { |
mbed_official | 610:813dcc80987e | 362 | MODIFY_REG(hopamp->Instance->CSR, OPAMP_CSR_INIT_MASK_STANDALONE, \ |
mbed_official | 610:813dcc80987e | 363 | hopamp->Init.PowerMode | \ |
mbed_official | 610:813dcc80987e | 364 | hopamp->Init.Mode | \ |
mbed_official | 610:813dcc80987e | 365 | hopamp->Init.InvertingInput | \ |
mbed_official | 610:813dcc80987e | 366 | hopamp->Init.NonInvertingInput | \ |
mbed_official | 610:813dcc80987e | 367 | hopamp->Init.UserTrimming); |
mbed_official | 610:813dcc80987e | 368 | } |
mbed_official | 610:813dcc80987e | 369 | |
mbed_official | 610:813dcc80987e | 370 | if (hopamp->Init.UserTrimming == OPAMP_TRIMMING_USER) |
mbed_official | 610:813dcc80987e | 371 | { |
mbed_official | 610:813dcc80987e | 372 | /* Set power mode and associated calibration parameters */ |
mbed_official | 610:813dcc80987e | 373 | if (hopamp->Init.PowerMode != OPAMP_POWERMODE_LOWPOWER) |
mbed_official | 610:813dcc80987e | 374 | { |
mbed_official | 610:813dcc80987e | 375 | /* OPAMP_POWERMODE_NORMAL */ |
mbed_official | 610:813dcc80987e | 376 | /* Set calibration mode (factory or user) and values for */ |
mbed_official | 610:813dcc80987e | 377 | /* transistors differential pair high (PMOS) and low (NMOS) for */ |
mbed_official | 610:813dcc80987e | 378 | /* normal mode. */ |
mbed_official | 610:813dcc80987e | 379 | updateotrlpotr = (((hopamp->Init.TrimmingValueP) << (OPAMP_INPUT_NONINVERTING)) \ |
mbed_official | 610:813dcc80987e | 380 | | (hopamp->Init.TrimmingValueN)); |
mbed_official | 610:813dcc80987e | 381 | MODIFY_REG(hopamp->Instance->OTR, OPAMP_OTR_TRIMOFFSETN | OPAMP_OTR_TRIMOFFSETP, updateotrlpotr); |
mbed_official | 610:813dcc80987e | 382 | } |
mbed_official | 610:813dcc80987e | 383 | else |
mbed_official | 610:813dcc80987e | 384 | { |
mbed_official | 610:813dcc80987e | 385 | /* OPAMP_POWERMODE_LOWPOWER */ |
mbed_official | 610:813dcc80987e | 386 | /* transistors differential pair high (PMOS) and low (NMOS) for */ |
mbed_official | 610:813dcc80987e | 387 | /* low power mode. */ |
mbed_official | 610:813dcc80987e | 388 | updateotrlpotr = (((hopamp->Init.TrimmingValuePLowPower) << (OPAMP_INPUT_NONINVERTING)) \ |
mbed_official | 610:813dcc80987e | 389 | | (hopamp->Init.TrimmingValueNLowPower)); |
mbed_official | 610:813dcc80987e | 390 | MODIFY_REG(hopamp->Instance->LPOTR, OPAMP_OTR_TRIMOFFSETN | OPAMP_OTR_TRIMOFFSETP, updateotrlpotr); |
mbed_official | 610:813dcc80987e | 391 | } |
mbed_official | 610:813dcc80987e | 392 | } |
mbed_official | 610:813dcc80987e | 393 | |
mbed_official | 610:813dcc80987e | 394 | /* Configure the power supply range */ |
mbed_official | 610:813dcc80987e | 395 | /* The OPAMP_CSR_OPARANGE is common configuration for all OPAMPs */ |
mbed_official | 610:813dcc80987e | 396 | /* bit OPAMP1_CSR_OPARANGE is used for both OPAMPs */ |
mbed_official | 610:813dcc80987e | 397 | MODIFY_REG(OPAMP1->CSR, OPAMP1_CSR_OPARANGE, hopamp->Init.PowerSupplyRange); |
mbed_official | 610:813dcc80987e | 398 | |
mbed_official | 610:813dcc80987e | 399 | /* Update the OPAMP state*/ |
mbed_official | 610:813dcc80987e | 400 | if (hopamp->State == HAL_OPAMP_STATE_RESET) |
mbed_official | 610:813dcc80987e | 401 | { |
mbed_official | 610:813dcc80987e | 402 | /* From RESET state to READY State */ |
mbed_official | 610:813dcc80987e | 403 | hopamp->State = HAL_OPAMP_STATE_READY; |
mbed_official | 610:813dcc80987e | 404 | } |
mbed_official | 610:813dcc80987e | 405 | /* else: remain in READY or BUSY state (no update) */ |
mbed_official | 610:813dcc80987e | 406 | return status; |
mbed_official | 610:813dcc80987e | 407 | } |
mbed_official | 610:813dcc80987e | 408 | } |
mbed_official | 610:813dcc80987e | 409 | |
mbed_official | 610:813dcc80987e | 410 | /** |
mbed_official | 610:813dcc80987e | 411 | * @brief DeInitialize the OPAMP peripheral. |
mbed_official | 610:813dcc80987e | 412 | * @note Deinitialization can be performed if the OPAMP configuration is locked. |
mbed_official | 610:813dcc80987e | 413 | * (the lock is SW in L4) |
mbed_official | 610:813dcc80987e | 414 | * @param hopamp: OPAMP handle |
mbed_official | 610:813dcc80987e | 415 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 416 | */ |
mbed_official | 610:813dcc80987e | 417 | HAL_StatusTypeDef HAL_OPAMP_DeInit(OPAMP_HandleTypeDef *hopamp) |
mbed_official | 610:813dcc80987e | 418 | { |
mbed_official | 610:813dcc80987e | 419 | HAL_StatusTypeDef status = HAL_OK; |
mbed_official | 610:813dcc80987e | 420 | |
mbed_official | 610:813dcc80987e | 421 | /* Check the OPAMP handle allocation */ |
mbed_official | 610:813dcc80987e | 422 | /* DeInit not allowed if calibration is ongoing */ |
mbed_official | 610:813dcc80987e | 423 | if((hopamp == NULL) || (hopamp->State == HAL_OPAMP_STATE_CALIBBUSY)) |
mbed_official | 610:813dcc80987e | 424 | { |
mbed_official | 610:813dcc80987e | 425 | status = HAL_ERROR; |
mbed_official | 610:813dcc80987e | 426 | } |
mbed_official | 610:813dcc80987e | 427 | else |
mbed_official | 610:813dcc80987e | 428 | { |
mbed_official | 610:813dcc80987e | 429 | /* Check the parameter */ |
mbed_official | 610:813dcc80987e | 430 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp->Instance)); |
mbed_official | 610:813dcc80987e | 431 | |
mbed_official | 610:813dcc80987e | 432 | /* Set OPAMP_CSR register to reset value */ |
mbed_official | 610:813dcc80987e | 433 | /* Mind that OPAMP1_CSR_OPARANGE of CSR of OPAMP1 remains unchanged (applies to both OPAMPs) */ |
mbed_official | 610:813dcc80987e | 434 | /* OPAMP shall be disabled first separately */ |
mbed_official | 610:813dcc80987e | 435 | CLEAR_BIT(hopamp->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
mbed_official | 610:813dcc80987e | 436 | MODIFY_REG(hopamp->Instance->CSR, OPAMP_CSR_RESET_BITS, OPAMP_CSR_RESET_VALUE); |
mbed_official | 610:813dcc80987e | 437 | |
mbed_official | 610:813dcc80987e | 438 | /* DeInit the low level hardware: GPIO, CLOCK and NVIC */ |
mbed_official | 610:813dcc80987e | 439 | HAL_OPAMP_MspDeInit(hopamp); |
mbed_official | 610:813dcc80987e | 440 | |
mbed_official | 610:813dcc80987e | 441 | /* Update the OPAMP state*/ |
mbed_official | 610:813dcc80987e | 442 | hopamp->State = HAL_OPAMP_STATE_RESET; |
mbed_official | 610:813dcc80987e | 443 | } |
mbed_official | 610:813dcc80987e | 444 | |
mbed_official | 610:813dcc80987e | 445 | /* Process unlocked */ |
mbed_official | 610:813dcc80987e | 446 | __HAL_UNLOCK(hopamp); |
mbed_official | 610:813dcc80987e | 447 | |
mbed_official | 610:813dcc80987e | 448 | return status; |
mbed_official | 610:813dcc80987e | 449 | } |
mbed_official | 610:813dcc80987e | 450 | |
mbed_official | 610:813dcc80987e | 451 | |
mbed_official | 610:813dcc80987e | 452 | /** |
mbed_official | 610:813dcc80987e | 453 | * @brief Initialize the OPAMP MSP. |
mbed_official | 610:813dcc80987e | 454 | * @param hopamp: OPAMP handle |
mbed_official | 610:813dcc80987e | 455 | * @retval None |
mbed_official | 610:813dcc80987e | 456 | */ |
mbed_official | 610:813dcc80987e | 457 | __weak void HAL_OPAMP_MspInit(OPAMP_HandleTypeDef *hopamp) |
mbed_official | 610:813dcc80987e | 458 | { |
mbed_official | 610:813dcc80987e | 459 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 610:813dcc80987e | 460 | the function "HAL_OPAMP_MspInit()" must be implemented in the user file. |
mbed_official | 610:813dcc80987e | 461 | */ |
mbed_official | 610:813dcc80987e | 462 | } |
mbed_official | 610:813dcc80987e | 463 | |
mbed_official | 610:813dcc80987e | 464 | /** |
mbed_official | 610:813dcc80987e | 465 | * @brief DeInitialize OPAMP MSP. |
mbed_official | 610:813dcc80987e | 466 | * @param hopamp: OPAMP handle |
mbed_official | 610:813dcc80987e | 467 | * @retval None |
mbed_official | 610:813dcc80987e | 468 | */ |
mbed_official | 610:813dcc80987e | 469 | __weak void HAL_OPAMP_MspDeInit(OPAMP_HandleTypeDef *hopamp) |
mbed_official | 610:813dcc80987e | 470 | { |
mbed_official | 610:813dcc80987e | 471 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 610:813dcc80987e | 472 | the function "HAL_OPAMP_MspDeInit()" must be implemented in the user file. |
mbed_official | 610:813dcc80987e | 473 | */ |
mbed_official | 610:813dcc80987e | 474 | } |
mbed_official | 610:813dcc80987e | 475 | |
mbed_official | 610:813dcc80987e | 476 | /** |
mbed_official | 610:813dcc80987e | 477 | * @} |
mbed_official | 610:813dcc80987e | 478 | */ |
mbed_official | 610:813dcc80987e | 479 | |
mbed_official | 610:813dcc80987e | 480 | |
mbed_official | 610:813dcc80987e | 481 | /** @defgroup OPAMP_Exported_Functions_Group2 IO operation functions |
mbed_official | 610:813dcc80987e | 482 | * @brief IO operation functions |
mbed_official | 610:813dcc80987e | 483 | * |
mbed_official | 610:813dcc80987e | 484 | @verbatim |
mbed_official | 610:813dcc80987e | 485 | =============================================================================== |
mbed_official | 610:813dcc80987e | 486 | ##### IO operation functions ##### |
mbed_official | 610:813dcc80987e | 487 | =============================================================================== |
mbed_official | 610:813dcc80987e | 488 | [..] |
mbed_official | 610:813dcc80987e | 489 | This subsection provides a set of functions allowing to manage the OPAMP |
mbed_official | 610:813dcc80987e | 490 | start, stop and calibration actions. |
mbed_official | 610:813dcc80987e | 491 | |
mbed_official | 610:813dcc80987e | 492 | @endverbatim |
mbed_official | 610:813dcc80987e | 493 | * @{ |
mbed_official | 610:813dcc80987e | 494 | */ |
mbed_official | 610:813dcc80987e | 495 | |
mbed_official | 610:813dcc80987e | 496 | /** |
mbed_official | 610:813dcc80987e | 497 | * @brief Start the OPAMP. |
mbed_official | 610:813dcc80987e | 498 | * @param hopamp: OPAMP handle |
mbed_official | 610:813dcc80987e | 499 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 500 | */ |
mbed_official | 610:813dcc80987e | 501 | |
mbed_official | 610:813dcc80987e | 502 | HAL_StatusTypeDef HAL_OPAMP_Start(OPAMP_HandleTypeDef *hopamp) |
mbed_official | 610:813dcc80987e | 503 | { |
mbed_official | 610:813dcc80987e | 504 | HAL_StatusTypeDef status = HAL_OK; |
mbed_official | 610:813dcc80987e | 505 | |
mbed_official | 610:813dcc80987e | 506 | /* Check the OPAMP handle allocation */ |
mbed_official | 610:813dcc80987e | 507 | /* Check if OPAMP locked */ |
mbed_official | 610:813dcc80987e | 508 | if((hopamp == NULL) || (hopamp->State == HAL_OPAMP_STATE_BUSYLOCKED)) |
mbed_official | 610:813dcc80987e | 509 | { |
mbed_official | 610:813dcc80987e | 510 | status = HAL_ERROR; |
mbed_official | 610:813dcc80987e | 511 | } |
mbed_official | 610:813dcc80987e | 512 | else |
mbed_official | 610:813dcc80987e | 513 | { |
mbed_official | 610:813dcc80987e | 514 | /* Check the parameter */ |
mbed_official | 610:813dcc80987e | 515 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp->Instance)); |
mbed_official | 610:813dcc80987e | 516 | |
mbed_official | 610:813dcc80987e | 517 | if(hopamp->State == HAL_OPAMP_STATE_READY) |
mbed_official | 610:813dcc80987e | 518 | { |
mbed_official | 610:813dcc80987e | 519 | /* Enable the selected opamp */ |
mbed_official | 610:813dcc80987e | 520 | SET_BIT (hopamp->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
mbed_official | 610:813dcc80987e | 521 | |
mbed_official | 610:813dcc80987e | 522 | /* Update the OPAMP state*/ |
mbed_official | 610:813dcc80987e | 523 | /* From HAL_OPAMP_STATE_READY to HAL_OPAMP_STATE_BUSY */ |
mbed_official | 610:813dcc80987e | 524 | hopamp->State = HAL_OPAMP_STATE_BUSY; |
mbed_official | 610:813dcc80987e | 525 | } |
mbed_official | 610:813dcc80987e | 526 | else |
mbed_official | 610:813dcc80987e | 527 | { |
mbed_official | 610:813dcc80987e | 528 | status = HAL_ERROR; |
mbed_official | 610:813dcc80987e | 529 | } |
mbed_official | 610:813dcc80987e | 530 | |
mbed_official | 610:813dcc80987e | 531 | } |
mbed_official | 610:813dcc80987e | 532 | return status; |
mbed_official | 610:813dcc80987e | 533 | } |
mbed_official | 610:813dcc80987e | 534 | |
mbed_official | 610:813dcc80987e | 535 | /** |
mbed_official | 610:813dcc80987e | 536 | * @brief Stop the OPAMP. |
mbed_official | 610:813dcc80987e | 537 | * @param hopamp: OPAMP handle |
mbed_official | 610:813dcc80987e | 538 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 539 | */ |
mbed_official | 610:813dcc80987e | 540 | HAL_StatusTypeDef HAL_OPAMP_Stop(OPAMP_HandleTypeDef *hopamp) |
mbed_official | 610:813dcc80987e | 541 | { |
mbed_official | 610:813dcc80987e | 542 | HAL_StatusTypeDef status = HAL_OK; |
mbed_official | 610:813dcc80987e | 543 | |
mbed_official | 610:813dcc80987e | 544 | /* Check the OPAMP handle allocation */ |
mbed_official | 610:813dcc80987e | 545 | /* Check if OPAMP locked */ |
mbed_official | 610:813dcc80987e | 546 | /* Check if OPAMP calibration ongoing */ |
mbed_official | 610:813dcc80987e | 547 | if((hopamp == NULL) || (hopamp->State == HAL_OPAMP_STATE_BUSYLOCKED) \ |
mbed_official | 610:813dcc80987e | 548 | || (hopamp->State == HAL_OPAMP_STATE_CALIBBUSY)) |
mbed_official | 610:813dcc80987e | 549 | { |
mbed_official | 610:813dcc80987e | 550 | status = HAL_ERROR; |
mbed_official | 610:813dcc80987e | 551 | } |
mbed_official | 610:813dcc80987e | 552 | else |
mbed_official | 610:813dcc80987e | 553 | { |
mbed_official | 610:813dcc80987e | 554 | /* Check the parameter */ |
mbed_official | 610:813dcc80987e | 555 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp->Instance)); |
mbed_official | 610:813dcc80987e | 556 | |
mbed_official | 610:813dcc80987e | 557 | if(hopamp->State == HAL_OPAMP_STATE_BUSY) |
mbed_official | 610:813dcc80987e | 558 | { |
mbed_official | 610:813dcc80987e | 559 | /* Disable the selected opamp */ |
mbed_official | 610:813dcc80987e | 560 | CLEAR_BIT (hopamp->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
mbed_official | 610:813dcc80987e | 561 | |
mbed_official | 610:813dcc80987e | 562 | /* Update the OPAMP state*/ |
mbed_official | 610:813dcc80987e | 563 | /* From HAL_OPAMP_STATE_BUSY to HAL_OPAMP_STATE_READY*/ |
mbed_official | 610:813dcc80987e | 564 | hopamp->State = HAL_OPAMP_STATE_READY; |
mbed_official | 610:813dcc80987e | 565 | } |
mbed_official | 610:813dcc80987e | 566 | else |
mbed_official | 610:813dcc80987e | 567 | { |
mbed_official | 610:813dcc80987e | 568 | status = HAL_ERROR; |
mbed_official | 610:813dcc80987e | 569 | } |
mbed_official | 610:813dcc80987e | 570 | } |
mbed_official | 610:813dcc80987e | 571 | return status; |
mbed_official | 610:813dcc80987e | 572 | } |
mbed_official | 610:813dcc80987e | 573 | |
mbed_official | 610:813dcc80987e | 574 | /** |
mbed_official | 610:813dcc80987e | 575 | * @brief Run the self calibration of one OPAMP. |
mbed_official | 610:813dcc80987e | 576 | * @note Calibration is performed in the mode specified in OPAMP init |
mbed_official | 610:813dcc80987e | 577 | * structure (mode normal or low-power). To perform calibration for |
mbed_official | 610:813dcc80987e | 578 | * both modes, repeat this function twice after OPAMP init structure |
mbed_official | 610:813dcc80987e | 579 | * accordingly updated. |
mbed_official | 610:813dcc80987e | 580 | * @note Calibration runs about 10 ms. |
mbed_official | 610:813dcc80987e | 581 | * @param hopamp handle |
mbed_official | 610:813dcc80987e | 582 | * @retval Updated offset trimming values (PMOS & NMOS), user trimming is enabled |
mbed_official | 610:813dcc80987e | 583 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 584 | |
mbed_official | 610:813dcc80987e | 585 | */ |
mbed_official | 610:813dcc80987e | 586 | |
mbed_official | 610:813dcc80987e | 587 | HAL_StatusTypeDef HAL_OPAMP_SelfCalibrate(OPAMP_HandleTypeDef *hopamp) |
mbed_official | 610:813dcc80987e | 588 | { |
mbed_official | 610:813dcc80987e | 589 | |
mbed_official | 610:813dcc80987e | 590 | HAL_StatusTypeDef status = HAL_OK; |
mbed_official | 610:813dcc80987e | 591 | |
mbed_official | 610:813dcc80987e | 592 | uint32_t trimmingvaluen = 0; |
mbed_official | 610:813dcc80987e | 593 | uint32_t trimmingvaluep = 0; |
mbed_official | 610:813dcc80987e | 594 | uint32_t delta; |
mbed_official | 610:813dcc80987e | 595 | |
mbed_official | 610:813dcc80987e | 596 | __IO uint32_t* tmp_opamp_reg_trimming; /* Selection of register of trimming depending on power mode: OTR or LPOTR */ |
mbed_official | 610:813dcc80987e | 597 | |
mbed_official | 610:813dcc80987e | 598 | /* Check the OPAMP handle allocation */ |
mbed_official | 610:813dcc80987e | 599 | /* Check if OPAMP locked */ |
mbed_official | 610:813dcc80987e | 600 | if((hopamp == NULL) || (hopamp->State == HAL_OPAMP_STATE_BUSYLOCKED)) |
mbed_official | 610:813dcc80987e | 601 | { |
mbed_official | 610:813dcc80987e | 602 | status = HAL_ERROR; |
mbed_official | 610:813dcc80987e | 603 | } |
mbed_official | 610:813dcc80987e | 604 | else |
mbed_official | 610:813dcc80987e | 605 | { |
mbed_official | 610:813dcc80987e | 606 | |
mbed_official | 610:813dcc80987e | 607 | /* Check if OPAMP in calibration mode and calibration not yet enable */ |
mbed_official | 610:813dcc80987e | 608 | if(hopamp->State == HAL_OPAMP_STATE_READY) |
mbed_official | 610:813dcc80987e | 609 | { |
mbed_official | 610:813dcc80987e | 610 | /* Check the parameter */ |
mbed_official | 610:813dcc80987e | 611 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp->Instance)); |
mbed_official | 610:813dcc80987e | 612 | assert_param(IS_OPAMP_POWERMODE(hopamp->Init.PowerMode)); |
mbed_official | 610:813dcc80987e | 613 | |
mbed_official | 610:813dcc80987e | 614 | /* user trimming values are used for offset calibration */ |
mbed_official | 610:813dcc80987e | 615 | SET_BIT(hopamp->Instance->CSR, OPAMP_CSR_USERTRIM); |
mbed_official | 610:813dcc80987e | 616 | |
mbed_official | 610:813dcc80987e | 617 | /* Select trimming settings depending on power mode */ |
mbed_official | 610:813dcc80987e | 618 | if (hopamp->Init.PowerMode == OPAMP_POWERMODE_NORMAL) |
mbed_official | 610:813dcc80987e | 619 | { |
mbed_official | 610:813dcc80987e | 620 | tmp_opamp_reg_trimming = &hopamp->Instance->OTR; |
mbed_official | 610:813dcc80987e | 621 | } |
mbed_official | 610:813dcc80987e | 622 | else |
mbed_official | 610:813dcc80987e | 623 | { |
mbed_official | 610:813dcc80987e | 624 | tmp_opamp_reg_trimming = &hopamp->Instance->LPOTR; |
mbed_official | 610:813dcc80987e | 625 | } |
mbed_official | 610:813dcc80987e | 626 | |
mbed_official | 610:813dcc80987e | 627 | /* Enable calibration */ |
mbed_official | 610:813dcc80987e | 628 | SET_BIT (hopamp->Instance->CSR, OPAMP_CSR_CALON); |
mbed_official | 610:813dcc80987e | 629 | |
mbed_official | 610:813dcc80987e | 630 | /* 1st calibration - N */ |
mbed_official | 610:813dcc80987e | 631 | CLEAR_BIT (hopamp->Instance->CSR, OPAMP_CSR_CALSEL); |
mbed_official | 610:813dcc80987e | 632 | |
mbed_official | 610:813dcc80987e | 633 | /* Enable the selected opamp */ |
mbed_official | 610:813dcc80987e | 634 | SET_BIT (hopamp->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
mbed_official | 610:813dcc80987e | 635 | |
mbed_official | 610:813dcc80987e | 636 | /* Init trimming counter */ |
mbed_official | 610:813dcc80987e | 637 | /* Medium value */ |
mbed_official | 610:813dcc80987e | 638 | trimmingvaluen = 16; |
mbed_official | 610:813dcc80987e | 639 | delta = 8; |
mbed_official | 610:813dcc80987e | 640 | |
mbed_official | 610:813dcc80987e | 641 | while (delta != 0) |
mbed_official | 610:813dcc80987e | 642 | { |
mbed_official | 610:813dcc80987e | 643 | /* Set candidate trimming */ |
mbed_official | 610:813dcc80987e | 644 | /* OPAMP_POWERMODE_NORMAL */ |
mbed_official | 610:813dcc80987e | 645 | MODIFY_REG(*tmp_opamp_reg_trimming, OPAMP_OTR_TRIMOFFSETN, trimmingvaluen); |
mbed_official | 610:813dcc80987e | 646 | |
mbed_official | 610:813dcc80987e | 647 | /* OFFTRIMmax delay 1 ms as per datasheet (electrical characteristics */ |
mbed_official | 610:813dcc80987e | 648 | /* Offset trim time: during calibration, minimum time needed between */ |
mbed_official | 610:813dcc80987e | 649 | /* two steps to have 1 mV accuracy */ |
mbed_official | 610:813dcc80987e | 650 | HAL_Delay(OPAMP_TRIMMING_DELAY); |
mbed_official | 610:813dcc80987e | 651 | |
mbed_official | 610:813dcc80987e | 652 | if (READ_BIT(hopamp->Instance->CSR, OPAMP_CSR_CALOUT) != RESET) |
mbed_official | 610:813dcc80987e | 653 | { |
mbed_official | 610:813dcc80987e | 654 | /* OPAMP_CSR_CALOUT is HIGH try higher trimming */ |
mbed_official | 610:813dcc80987e | 655 | trimmingvaluen -= delta; |
mbed_official | 610:813dcc80987e | 656 | } |
mbed_official | 610:813dcc80987e | 657 | else |
mbed_official | 610:813dcc80987e | 658 | { |
mbed_official | 610:813dcc80987e | 659 | /* OPAMP_CSR_CALOUT is LOW try lower trimming */ |
mbed_official | 610:813dcc80987e | 660 | trimmingvaluen += delta; |
mbed_official | 610:813dcc80987e | 661 | } |
mbed_official | 610:813dcc80987e | 662 | /* Divide range by 2 to continue dichotomy sweep */ |
mbed_official | 610:813dcc80987e | 663 | delta >>= 1; |
mbed_official | 610:813dcc80987e | 664 | } |
mbed_official | 610:813dcc80987e | 665 | |
mbed_official | 610:813dcc80987e | 666 | /* Still need to check if right calibration is current value or one step below */ |
mbed_official | 610:813dcc80987e | 667 | /* Indeed the first value that causes the OUTCAL bit to change from 0 to 1 */ |
mbed_official | 610:813dcc80987e | 668 | /* Set candidate trimming */ |
mbed_official | 610:813dcc80987e | 669 | MODIFY_REG(*tmp_opamp_reg_trimming, OPAMP_OTR_TRIMOFFSETN, trimmingvaluen); |
mbed_official | 610:813dcc80987e | 670 | |
mbed_official | 610:813dcc80987e | 671 | /* OFFTRIMmax delay 1 ms as per datasheet (electrical characteristics */ |
mbed_official | 610:813dcc80987e | 672 | /* Offset trim time: during calibration, minimum time needed between */ |
mbed_official | 610:813dcc80987e | 673 | /* two steps to have 1 mV accuracy */ |
mbed_official | 610:813dcc80987e | 674 | HAL_Delay(OPAMP_TRIMMING_DELAY); |
mbed_official | 610:813dcc80987e | 675 | |
mbed_official | 610:813dcc80987e | 676 | if ((READ_BIT(hopamp->Instance->CSR, OPAMP_CSR_CALOUT)) == 0) |
mbed_official | 610:813dcc80987e | 677 | { |
mbed_official | 610:813dcc80987e | 678 | /* Trimming value is actually one value more */ |
mbed_official | 610:813dcc80987e | 679 | trimmingvaluen++; |
mbed_official | 610:813dcc80987e | 680 | /* Set right trimming */ |
mbed_official | 610:813dcc80987e | 681 | MODIFY_REG(*tmp_opamp_reg_trimming, OPAMP_OTR_TRIMOFFSETN, trimmingvaluen); |
mbed_official | 610:813dcc80987e | 682 | } |
mbed_official | 610:813dcc80987e | 683 | |
mbed_official | 610:813dcc80987e | 684 | /* 2nd calibration - P */ |
mbed_official | 610:813dcc80987e | 685 | SET_BIT (hopamp->Instance->CSR, OPAMP_CSR_CALSEL); |
mbed_official | 610:813dcc80987e | 686 | |
mbed_official | 610:813dcc80987e | 687 | /* Init trimming counter */ |
mbed_official | 610:813dcc80987e | 688 | /* Medium value */ |
mbed_official | 610:813dcc80987e | 689 | trimmingvaluep = 16; |
mbed_official | 610:813dcc80987e | 690 | delta = 8; |
mbed_official | 610:813dcc80987e | 691 | |
mbed_official | 610:813dcc80987e | 692 | while (delta != 0) |
mbed_official | 610:813dcc80987e | 693 | { |
mbed_official | 610:813dcc80987e | 694 | /* Set candidate trimming */ |
mbed_official | 610:813dcc80987e | 695 | /* OPAMP_POWERMODE_NORMAL */ |
mbed_official | 610:813dcc80987e | 696 | MODIFY_REG(*tmp_opamp_reg_trimming, OPAMP_OTR_TRIMOFFSETP, (trimmingvaluep<<OPAMP_INPUT_NONINVERTING)); |
mbed_official | 610:813dcc80987e | 697 | |
mbed_official | 610:813dcc80987e | 698 | /* OFFTRIMmax delay 1 ms as per datasheet (electrical characteristics */ |
mbed_official | 610:813dcc80987e | 699 | /* Offset trim time: during calibration, minimum time needed between */ |
mbed_official | 610:813dcc80987e | 700 | /* two steps to have 1 mV accuracy */ |
mbed_official | 610:813dcc80987e | 701 | HAL_Delay(OPAMP_TRIMMING_DELAY); |
mbed_official | 610:813dcc80987e | 702 | |
mbed_official | 610:813dcc80987e | 703 | if (READ_BIT(hopamp->Instance->CSR, OPAMP_CSR_CALOUT) != RESET) |
mbed_official | 610:813dcc80987e | 704 | { |
mbed_official | 610:813dcc80987e | 705 | /* OPAMP_CSR_CALOUT is HIGH try higher trimming */ |
mbed_official | 610:813dcc80987e | 706 | trimmingvaluep += delta; |
mbed_official | 610:813dcc80987e | 707 | } |
mbed_official | 610:813dcc80987e | 708 | else |
mbed_official | 610:813dcc80987e | 709 | { |
mbed_official | 610:813dcc80987e | 710 | /* OPAMP_CSR_CALOUT is LOW try lower trimming */ |
mbed_official | 610:813dcc80987e | 711 | trimmingvaluep -= delta; |
mbed_official | 610:813dcc80987e | 712 | } |
mbed_official | 610:813dcc80987e | 713 | |
mbed_official | 610:813dcc80987e | 714 | /* Divide range by 2 to continue dichotomy sweep */ |
mbed_official | 610:813dcc80987e | 715 | delta >>= 1; |
mbed_official | 610:813dcc80987e | 716 | } |
mbed_official | 610:813dcc80987e | 717 | |
mbed_official | 610:813dcc80987e | 718 | /* Still need to check if right calibration is current value or one step below */ |
mbed_official | 610:813dcc80987e | 719 | /* Indeed the first value that causes the OUTCAL bit to change from 1 to 0 */ |
mbed_official | 610:813dcc80987e | 720 | /* Set candidate trimming */ |
mbed_official | 610:813dcc80987e | 721 | MODIFY_REG(*tmp_opamp_reg_trimming, OPAMP_OTR_TRIMOFFSETP, (trimmingvaluep<<OPAMP_INPUT_NONINVERTING)); |
mbed_official | 610:813dcc80987e | 722 | |
mbed_official | 610:813dcc80987e | 723 | /* OFFTRIMmax delay 1 ms as per datasheet (electrical characteristics */ |
mbed_official | 610:813dcc80987e | 724 | /* Offset trim time: during calibration, minimum time needed between */ |
mbed_official | 610:813dcc80987e | 725 | /* two steps to have 1 mV accuracy */ |
mbed_official | 610:813dcc80987e | 726 | HAL_Delay(OPAMP_TRIMMING_DELAY); |
mbed_official | 610:813dcc80987e | 727 | |
mbed_official | 610:813dcc80987e | 728 | if (READ_BIT(hopamp->Instance->CSR, OPAMP_CSR_CALOUT) != RESET) |
mbed_official | 610:813dcc80987e | 729 | { |
mbed_official | 610:813dcc80987e | 730 | /* Trimming value is actually one value more */ |
mbed_official | 610:813dcc80987e | 731 | trimmingvaluep++; |
mbed_official | 610:813dcc80987e | 732 | MODIFY_REG(*tmp_opamp_reg_trimming, OPAMP_OTR_TRIMOFFSETP, (trimmingvaluep<<OPAMP_INPUT_NONINVERTING)); |
mbed_official | 610:813dcc80987e | 733 | } |
mbed_official | 610:813dcc80987e | 734 | |
mbed_official | 610:813dcc80987e | 735 | /* Disable the OPAMP */ |
mbed_official | 610:813dcc80987e | 736 | CLEAR_BIT (hopamp->Instance->CSR, OPAMP_CSR_OPAMPxEN); |
mbed_official | 610:813dcc80987e | 737 | |
mbed_official | 610:813dcc80987e | 738 | /* Disable calibration & set normal mode (operating mode) */ |
mbed_official | 610:813dcc80987e | 739 | CLEAR_BIT (hopamp->Instance->CSR, OPAMP_CSR_CALON); |
mbed_official | 610:813dcc80987e | 740 | |
mbed_official | 610:813dcc80987e | 741 | /* Self calibration is successful */ |
mbed_official | 610:813dcc80987e | 742 | /* Store calibration(user trimming) results in init structure. */ |
mbed_official | 610:813dcc80987e | 743 | |
mbed_official | 610:813dcc80987e | 744 | /* Set user trimming mode */ |
mbed_official | 610:813dcc80987e | 745 | hopamp->Init.UserTrimming = OPAMP_TRIMMING_USER; |
mbed_official | 610:813dcc80987e | 746 | |
mbed_official | 610:813dcc80987e | 747 | /* Affect calibration parameters depending on mode normal/low power */ |
mbed_official | 610:813dcc80987e | 748 | if (hopamp->Init.PowerMode != OPAMP_POWERMODE_LOWPOWER) |
mbed_official | 610:813dcc80987e | 749 | { |
mbed_official | 610:813dcc80987e | 750 | /* Write calibration result N */ |
mbed_official | 610:813dcc80987e | 751 | hopamp->Init.TrimmingValueN = trimmingvaluen; |
mbed_official | 610:813dcc80987e | 752 | /* Write calibration result P */ |
mbed_official | 610:813dcc80987e | 753 | hopamp->Init.TrimmingValueP = trimmingvaluep; |
mbed_official | 610:813dcc80987e | 754 | } |
mbed_official | 610:813dcc80987e | 755 | else |
mbed_official | 610:813dcc80987e | 756 | { |
mbed_official | 610:813dcc80987e | 757 | /* Write calibration result N */ |
mbed_official | 610:813dcc80987e | 758 | hopamp->Init.TrimmingValueNLowPower = trimmingvaluen; |
mbed_official | 610:813dcc80987e | 759 | /* Write calibration result P */ |
mbed_official | 610:813dcc80987e | 760 | hopamp->Init.TrimmingValuePLowPower = trimmingvaluep; |
mbed_official | 610:813dcc80987e | 761 | } |
mbed_official | 610:813dcc80987e | 762 | } |
mbed_official | 610:813dcc80987e | 763 | |
mbed_official | 610:813dcc80987e | 764 | else |
mbed_official | 610:813dcc80987e | 765 | { |
mbed_official | 610:813dcc80987e | 766 | /* OPAMP can not be calibrated from this mode */ |
mbed_official | 610:813dcc80987e | 767 | status = HAL_ERROR; |
mbed_official | 610:813dcc80987e | 768 | } |
mbed_official | 610:813dcc80987e | 769 | } |
mbed_official | 610:813dcc80987e | 770 | return status; |
mbed_official | 610:813dcc80987e | 771 | } |
mbed_official | 610:813dcc80987e | 772 | |
mbed_official | 610:813dcc80987e | 773 | /** |
mbed_official | 610:813dcc80987e | 774 | * @} |
mbed_official | 610:813dcc80987e | 775 | */ |
mbed_official | 610:813dcc80987e | 776 | |
mbed_official | 610:813dcc80987e | 777 | /** @defgroup OPAMP_Exported_Functions_Group3 Peripheral Control functions |
mbed_official | 610:813dcc80987e | 778 | * @brief Peripheral Control functions |
mbed_official | 610:813dcc80987e | 779 | * |
mbed_official | 610:813dcc80987e | 780 | @verbatim |
mbed_official | 610:813dcc80987e | 781 | =============================================================================== |
mbed_official | 610:813dcc80987e | 782 | ##### Peripheral Control functions ##### |
mbed_official | 610:813dcc80987e | 783 | =============================================================================== |
mbed_official | 610:813dcc80987e | 784 | [..] |
mbed_official | 610:813dcc80987e | 785 | This subsection provides a set of functions allowing to control the OPAMP data |
mbed_official | 610:813dcc80987e | 786 | transfers. |
mbed_official | 610:813dcc80987e | 787 | |
mbed_official | 610:813dcc80987e | 788 | |
mbed_official | 610:813dcc80987e | 789 | |
mbed_official | 610:813dcc80987e | 790 | @endverbatim |
mbed_official | 610:813dcc80987e | 791 | * @{ |
mbed_official | 610:813dcc80987e | 792 | */ |
mbed_official | 610:813dcc80987e | 793 | |
mbed_official | 610:813dcc80987e | 794 | /** |
mbed_official | 610:813dcc80987e | 795 | * @brief Lock the selected OPAMP configuration. |
mbed_official | 610:813dcc80987e | 796 | * @note On STM32L4, HAL OPAMP lock is software lock only (in |
mbed_official | 610:813dcc80987e | 797 | * contrast of hardware lock available on some other STM32 |
mbed_official | 610:813dcc80987e | 798 | * devices). |
mbed_official | 610:813dcc80987e | 799 | * @param hopamp: OPAMP handle |
mbed_official | 610:813dcc80987e | 800 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 801 | */ |
mbed_official | 610:813dcc80987e | 802 | HAL_StatusTypeDef HAL_OPAMP_Lock(OPAMP_HandleTypeDef *hopamp) |
mbed_official | 610:813dcc80987e | 803 | { |
mbed_official | 610:813dcc80987e | 804 | HAL_StatusTypeDef status = HAL_OK; |
mbed_official | 610:813dcc80987e | 805 | |
mbed_official | 610:813dcc80987e | 806 | /* Check the OPAMP handle allocation */ |
mbed_official | 610:813dcc80987e | 807 | /* Check if OPAMP locked */ |
mbed_official | 610:813dcc80987e | 808 | /* OPAMP can be locked when enabled and running in normal mode */ |
mbed_official | 610:813dcc80987e | 809 | /* It is meaningless otherwise */ |
mbed_official | 610:813dcc80987e | 810 | if((hopamp == NULL) || (hopamp->State == HAL_OPAMP_STATE_RESET) \ |
mbed_official | 610:813dcc80987e | 811 | || (hopamp->State == HAL_OPAMP_STATE_READY) \ |
mbed_official | 610:813dcc80987e | 812 | || (hopamp->State == HAL_OPAMP_STATE_CALIBBUSY)\ |
mbed_official | 610:813dcc80987e | 813 | || (hopamp->State == HAL_OPAMP_STATE_BUSYLOCKED)) |
mbed_official | 610:813dcc80987e | 814 | |
mbed_official | 610:813dcc80987e | 815 | { |
mbed_official | 610:813dcc80987e | 816 | status = HAL_ERROR; |
mbed_official | 610:813dcc80987e | 817 | } |
mbed_official | 610:813dcc80987e | 818 | |
mbed_official | 610:813dcc80987e | 819 | else |
mbed_official | 610:813dcc80987e | 820 | { |
mbed_official | 610:813dcc80987e | 821 | /* Check the parameter */ |
mbed_official | 610:813dcc80987e | 822 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp->Instance)); |
mbed_official | 610:813dcc80987e | 823 | |
mbed_official | 610:813dcc80987e | 824 | /* OPAMP state changed to locked */ |
mbed_official | 610:813dcc80987e | 825 | hopamp->State = HAL_OPAMP_STATE_BUSYLOCKED; |
mbed_official | 610:813dcc80987e | 826 | } |
mbed_official | 610:813dcc80987e | 827 | return status; |
mbed_official | 610:813dcc80987e | 828 | } |
mbed_official | 610:813dcc80987e | 829 | |
mbed_official | 610:813dcc80987e | 830 | /** |
mbed_official | 610:813dcc80987e | 831 | * @brief Return the OPAMP factory trimming value. |
mbed_official | 610:813dcc80987e | 832 | * @note On STM32L4 OPAMP, user can retrieve factory trimming if |
mbed_official | 610:813dcc80987e | 833 | * OPAMP has never been set to user trimming before. |
mbed_official | 610:813dcc80987e | 834 | * Therefore, this function must be called when OPAMP init |
mbed_official | 610:813dcc80987e | 835 | * parameter "UserTrimming" is set to trimming factory, |
mbed_official | 610:813dcc80987e | 836 | * and before OPAMP calibration (function |
mbed_official | 610:813dcc80987e | 837 | * "HAL_OPAMP_SelfCalibrate()"). |
mbed_official | 610:813dcc80987e | 838 | * Otherwise, factory trimming value cannot be retrieved and |
mbed_official | 610:813dcc80987e | 839 | * error status is returned. |
mbed_official | 610:813dcc80987e | 840 | * @param hopamp : OPAMP handle |
mbed_official | 610:813dcc80987e | 841 | * @param trimmingoffset : Trimming offset (P or N) |
mbed_official | 610:813dcc80987e | 842 | * This parameter must be a value of @ref OPAMP_FactoryTrimming |
mbed_official | 610:813dcc80987e | 843 | * @note Calibration parameter retrieved is corresponding to the mode |
mbed_official | 610:813dcc80987e | 844 | * specified in OPAMP init structure (mode normal or low-power). |
mbed_official | 610:813dcc80987e | 845 | * To retrieve calibration parameters for both modes, repeat this |
mbed_official | 610:813dcc80987e | 846 | * function after OPAMP init structure accordingly updated. |
mbed_official | 610:813dcc80987e | 847 | * @retval Trimming value (P or N): range: 0->31 |
mbed_official | 610:813dcc80987e | 848 | * or OPAMP_FACTORYTRIMMING_DUMMY if trimming value is not available |
mbed_official | 610:813dcc80987e | 849 | * |
mbed_official | 610:813dcc80987e | 850 | */ |
mbed_official | 610:813dcc80987e | 851 | |
mbed_official | 610:813dcc80987e | 852 | HAL_OPAMP_TrimmingValueTypeDef HAL_OPAMP_GetTrimOffset (OPAMP_HandleTypeDef *hopamp, uint32_t trimmingoffset) |
mbed_official | 610:813dcc80987e | 853 | { |
mbed_official | 610:813dcc80987e | 854 | HAL_OPAMP_TrimmingValueTypeDef trimmingvalue; |
mbed_official | 610:813dcc80987e | 855 | __IO uint32_t* tmp_opamp_reg_trimming; /* Selection of register of trimming depending on power mode: OTR or LPOTR */ |
mbed_official | 610:813dcc80987e | 856 | |
mbed_official | 610:813dcc80987e | 857 | /* Check the OPAMP handle allocation */ |
mbed_official | 610:813dcc80987e | 858 | /* Value can be retrieved in HAL_OPAMP_STATE_READY state */ |
mbed_official | 610:813dcc80987e | 859 | if((hopamp == NULL) || (hopamp->State == HAL_OPAMP_STATE_RESET) \ |
mbed_official | 610:813dcc80987e | 860 | || (hopamp->State == HAL_OPAMP_STATE_BUSY) \ |
mbed_official | 610:813dcc80987e | 861 | || (hopamp->State == HAL_OPAMP_STATE_CALIBBUSY)\ |
mbed_official | 610:813dcc80987e | 862 | || (hopamp->State == HAL_OPAMP_STATE_BUSYLOCKED)) |
mbed_official | 610:813dcc80987e | 863 | { |
mbed_official | 610:813dcc80987e | 864 | return OPAMP_FACTORYTRIMMING_DUMMY; |
mbed_official | 610:813dcc80987e | 865 | } |
mbed_official | 610:813dcc80987e | 866 | else |
mbed_official | 610:813dcc80987e | 867 | { |
mbed_official | 610:813dcc80987e | 868 | /* Check the parameter */ |
mbed_official | 610:813dcc80987e | 869 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp->Instance)); |
mbed_official | 610:813dcc80987e | 870 | assert_param(IS_OPAMP_FACTORYTRIMMING(trimmingoffset)); |
mbed_official | 610:813dcc80987e | 871 | assert_param(IS_OPAMP_POWERMODE(hopamp->Init.PowerMode)); |
mbed_official | 610:813dcc80987e | 872 | |
mbed_official | 610:813dcc80987e | 873 | /* Check the trimming mode */ |
mbed_official | 610:813dcc80987e | 874 | if (READ_BIT(hopamp->Instance->CSR,OPAMP_CSR_USERTRIM) != RESET) |
mbed_official | 610:813dcc80987e | 875 | { |
mbed_official | 610:813dcc80987e | 876 | /* This function must called when OPAMP init parameter "UserTrimming" */ |
mbed_official | 610:813dcc80987e | 877 | /* is set to trimming factory, and before OPAMP calibration (function */ |
mbed_official | 610:813dcc80987e | 878 | /* "HAL_OPAMP_SelfCalibrate()"). */ |
mbed_official | 610:813dcc80987e | 879 | /* Otherwise, factory trimming value cannot be retrieved and error */ |
mbed_official | 610:813dcc80987e | 880 | /* status is returned. */ |
mbed_official | 610:813dcc80987e | 881 | trimmingvalue = OPAMP_FACTORYTRIMMING_DUMMY; |
mbed_official | 610:813dcc80987e | 882 | } |
mbed_official | 610:813dcc80987e | 883 | else |
mbed_official | 610:813dcc80987e | 884 | { |
mbed_official | 610:813dcc80987e | 885 | /* Select trimming settings depending on power mode */ |
mbed_official | 610:813dcc80987e | 886 | if (hopamp->Init.PowerMode == OPAMP_POWERMODE_NORMAL) |
mbed_official | 610:813dcc80987e | 887 | { |
mbed_official | 610:813dcc80987e | 888 | tmp_opamp_reg_trimming = &OPAMP->OTR; |
mbed_official | 610:813dcc80987e | 889 | } |
mbed_official | 610:813dcc80987e | 890 | else |
mbed_official | 610:813dcc80987e | 891 | { |
mbed_official | 610:813dcc80987e | 892 | tmp_opamp_reg_trimming = &OPAMP->LPOTR; |
mbed_official | 610:813dcc80987e | 893 | } |
mbed_official | 610:813dcc80987e | 894 | |
mbed_official | 610:813dcc80987e | 895 | /* Get factory trimming */ |
mbed_official | 610:813dcc80987e | 896 | if (trimmingoffset == OPAMP_FACTORYTRIMMING_P) |
mbed_official | 610:813dcc80987e | 897 | { |
mbed_official | 610:813dcc80987e | 898 | /* OPAMP_FACTORYTRIMMING_P */ |
mbed_official | 610:813dcc80987e | 899 | trimmingvalue = ((*tmp_opamp_reg_trimming) & OPAMP_OTR_TRIMOFFSETP) >> OPAMP_INPUT_NONINVERTING; |
mbed_official | 610:813dcc80987e | 900 | } |
mbed_official | 610:813dcc80987e | 901 | else |
mbed_official | 610:813dcc80987e | 902 | { |
mbed_official | 610:813dcc80987e | 903 | /* OPAMP_FACTORYTRIMMING_N */ |
mbed_official | 610:813dcc80987e | 904 | trimmingvalue = (*tmp_opamp_reg_trimming) & OPAMP_OTR_TRIMOFFSETN; |
mbed_official | 610:813dcc80987e | 905 | } |
mbed_official | 610:813dcc80987e | 906 | } |
mbed_official | 610:813dcc80987e | 907 | } |
mbed_official | 610:813dcc80987e | 908 | return trimmingvalue; |
mbed_official | 610:813dcc80987e | 909 | } |
mbed_official | 610:813dcc80987e | 910 | |
mbed_official | 610:813dcc80987e | 911 | /** |
mbed_official | 610:813dcc80987e | 912 | * @} |
mbed_official | 610:813dcc80987e | 913 | */ |
mbed_official | 610:813dcc80987e | 914 | |
mbed_official | 610:813dcc80987e | 915 | |
mbed_official | 610:813dcc80987e | 916 | /** @defgroup OPAMP_Exported_Functions_Group4 Peripheral State functions |
mbed_official | 610:813dcc80987e | 917 | * @brief Peripheral State functions |
mbed_official | 610:813dcc80987e | 918 | * |
mbed_official | 610:813dcc80987e | 919 | @verbatim |
mbed_official | 610:813dcc80987e | 920 | =============================================================================== |
mbed_official | 610:813dcc80987e | 921 | ##### Peripheral State functions ##### |
mbed_official | 610:813dcc80987e | 922 | =============================================================================== |
mbed_official | 610:813dcc80987e | 923 | [..] |
mbed_official | 610:813dcc80987e | 924 | This subsection permits to get in run-time the status of the peripheral. |
mbed_official | 610:813dcc80987e | 925 | |
mbed_official | 610:813dcc80987e | 926 | @endverbatim |
mbed_official | 610:813dcc80987e | 927 | * @{ |
mbed_official | 610:813dcc80987e | 928 | */ |
mbed_official | 610:813dcc80987e | 929 | |
mbed_official | 610:813dcc80987e | 930 | /** |
mbed_official | 610:813dcc80987e | 931 | * @brief Return the OPAMP handle state. |
mbed_official | 610:813dcc80987e | 932 | * @param hopamp : OPAMP handle |
mbed_official | 610:813dcc80987e | 933 | * @retval HAL state |
mbed_official | 610:813dcc80987e | 934 | */ |
mbed_official | 610:813dcc80987e | 935 | HAL_OPAMP_StateTypeDef HAL_OPAMP_GetState(OPAMP_HandleTypeDef *hopamp) |
mbed_official | 610:813dcc80987e | 936 | { |
mbed_official | 610:813dcc80987e | 937 | /* Check the OPAMP handle allocation */ |
mbed_official | 610:813dcc80987e | 938 | if(hopamp == NULL) |
mbed_official | 610:813dcc80987e | 939 | { |
mbed_official | 610:813dcc80987e | 940 | return HAL_OPAMP_STATE_RESET; |
mbed_official | 610:813dcc80987e | 941 | } |
mbed_official | 610:813dcc80987e | 942 | |
mbed_official | 610:813dcc80987e | 943 | /* Check the parameter */ |
mbed_official | 610:813dcc80987e | 944 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp->Instance)); |
mbed_official | 610:813dcc80987e | 945 | |
mbed_official | 610:813dcc80987e | 946 | /* Return OPAMP handle state */ |
mbed_official | 610:813dcc80987e | 947 | return hopamp->State; |
mbed_official | 610:813dcc80987e | 948 | } |
mbed_official | 610:813dcc80987e | 949 | |
mbed_official | 610:813dcc80987e | 950 | /** |
mbed_official | 610:813dcc80987e | 951 | * @} |
mbed_official | 610:813dcc80987e | 952 | */ |
mbed_official | 610:813dcc80987e | 953 | |
mbed_official | 610:813dcc80987e | 954 | /** |
mbed_official | 610:813dcc80987e | 955 | * @} |
mbed_official | 610:813dcc80987e | 956 | */ |
mbed_official | 610:813dcc80987e | 957 | |
mbed_official | 610:813dcc80987e | 958 | /** |
mbed_official | 610:813dcc80987e | 959 | * @} |
mbed_official | 610:813dcc80987e | 960 | */ |
mbed_official | 610:813dcc80987e | 961 | |
mbed_official | 610:813dcc80987e | 962 | #endif /* HAL_OPAMP_MODULE_ENABLED */ |
mbed_official | 610:813dcc80987e | 963 | /** |
mbed_official | 610:813dcc80987e | 964 | * @} |
mbed_official | 610:813dcc80987e | 965 | */ |
mbed_official | 610:813dcc80987e | 966 | |
mbed_official | 610:813dcc80987e | 967 | /** |
mbed_official | 610:813dcc80987e | 968 | * @} |
mbed_official | 610:813dcc80987e | 969 | */ |
mbed_official | 610:813dcc80987e | 970 | |
mbed_official | 610:813dcc80987e | 971 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |