/** * @brief De-initialize registers of the selected OPAMP instance * to their default reset values. * @param OPAMPx OPAMP instance * @retval An ErrorStatus enumeration value: * - SUCCESS: OPAMP registers are de-initialized * - ERROR: OPAMP registers are not de-initialized */ ErrorStatus LL_OPAMP_DeInit(OPAMP_TypeDef* OPAMPx) { ErrorStatus status = SUCCESS; /* Check the parameters */ assert_param(IS_OPAMP_ALL_INSTANCE(OPAMPx)); LL_OPAMP_WriteReg(OPAMPx, CSR, 0x00000000U); return status; }
/** * @brief De-initialize registers of the selected OPAMP instance * to their default reset values. * @note If comparator is locked, de-initialization by software is * not possible. * The only way to unlock the comparator is a device hardware reset. * @param OPAMPx OPAMP instance * @retval An ErrorStatus enumeration value: * - SUCCESS: OPAMP registers are de-initialized * - ERROR: OPAMP registers are not de-initialized */ ErrorStatus LL_OPAMP_DeInit(OPAMP_TypeDef* OPAMPx) { ErrorStatus status = SUCCESS; /* Check the parameters */ assert_param(IS_OPAMP_ALL_INSTANCE(OPAMPx)); /* Note: Hardware constraint (refer to description of this function): */ /* OPAMP instance must not be locked. */ if(LL_OPAMP_IsLocked(OPAMPx) == 0U) { LL_OPAMP_WriteReg(OPAMPx, CSR, 0x00000000U); } else { /* OPAMP instance is locked: de-initialization by software is */ /* not possible. */ /* The only way to unlock the OPAMP is a device hardware reset. */ status = ERROR; } return status; }