initial commit
This commit is contained in:
921
libraries/drivers/src/at32f403a_407_crm.c
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921
libraries/drivers/src/at32f403a_407_crm.c
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/**
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**************************************************************************
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* @file at32f403a_407_crm.c
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* @brief contains all the functions for the crm firmware library
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**************************************************************************
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* Copyright notice & Disclaimer
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*
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* The software Board Support Package (BSP) that is made available to
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* download from Artery official website is the copyrighted work of Artery.
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* Artery authorizes customers to use, copy, and distribute the BSP
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* software and its related documentation for the purpose of design and
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* development in conjunction with Artery microcontrollers. Use of the
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* software is governed by this copyright notice and the following disclaimer.
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*
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* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
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* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
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* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
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* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
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* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
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*
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**************************************************************************
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*/
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#include "at32f403a_407_conf.h"
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/** @addtogroup AT32F403A_407_periph_driver
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* @{
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*/
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/** @defgroup CRM
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* @brief CRM driver modules
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* @{
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*/
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#ifdef CRM_MODULE_ENABLED
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/** @defgroup CRM_private_functions
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* @{
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*/
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/**
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* @brief reset the crm register
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* @param none
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* @retval none
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*/
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void crm_reset(void)
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{
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/* reset the crm clock configuration to the default reset state(for debug purpose) */
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/* set hicken bit */
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CRM->ctrl_bit.hicken = TRUE;
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/* wait hick stable */
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while(CRM->ctrl_bit.hickstbl != SET);
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/* hick used as system clock */
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CRM->cfg_bit.sclksel = CRM_SCLK_HICK;
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/* wait sclk switch status */
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while(CRM->cfg_bit.sclksts != CRM_SCLK_HICK);
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/* reset hexten, hextbyps, cfden and pllen bits */
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CRM->ctrl &= ~(0x010D0000U);
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/* reset cfg register, include sclk switch, ahbdiv, apb1div, apb2div, adcdiv,
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clkout pllrcs, pllhextdiv, pllmult, usbdiv and pllrange bits */
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CRM->cfg = 0;
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/* reset clkout[3], usbbufs, hickdiv, clkoutdiv */
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CRM->misc1 = 0;
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/* disable all interrupts enable and clear pending bits */
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CRM->clkint = 0x009F0000;
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}
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/**
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* @brief enable or disable crm low speed external crystal bypass
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* @param new_state (TRUE or FALSE)
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* @retval none
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*/
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void crm_lext_bypass(confirm_state new_state)
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{
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CRM->bpdc_bit.lextbyps = new_state;
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}
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/**
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* @brief enable or disable crm high speed external crystal bypass
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* @param new_state (TRUE or FALSE)
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* @retval none
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*/
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void crm_hext_bypass(confirm_state new_state)
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{
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CRM->ctrl_bit.hextbyps = new_state;
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}
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/**
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* @brief get crm flag status
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* @param flag
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* this parameter can be one of the following values:
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* - CRM_HICK_STABLE_FLAG
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* - CRM_HEXT_STABLE_FLAG
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* - CRM_PLL_STABLE_FLAG
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* - CRM_LEXT_STABLE_FLAG
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* - CRM_LICK_STABLE_FLAG
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* - CRM_NRST_RESET_FLAG
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* - CRM_POR_RESET_FLAG
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* - CRM_SW_RESET_FLAG
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* - CRM_WDT_RESET_FLAG
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* - CRM_WWDT_RESET_FLAG
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* - CRM_LOWPOWER_RESET_FLAG
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* interrupt flag:
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* - CRM_LICK_READY_INT_FLAG
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* - CRM_LEXT_READY_INT_FLAG
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* - CRM_HICK_READY_INT_FLAG
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* - CRM_HEXT_READY_INT_FLAG
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* - CRM_PLL_READY_INT_FLAG
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* - CRM_CLOCK_FAILURE_INT_FLAG
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* @retval flag_status (SET or RESET)
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*/
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flag_status crm_flag_get(uint32_t flag)
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{
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flag_status status = RESET;
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if((CRM_REG(flag) & CRM_REG_BIT(flag)) != CRM_REG_BIT(flag))
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{
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status = RESET;
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}
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else
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{
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status = SET;
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}
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return status;
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}
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/**
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* @brief get crm interrupt flag status
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* @param flag
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* this parameter can be one of the following values:
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* - CRM_LICK_READY_INT_FLAG
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* - CRM_LEXT_READY_INT_FLAG
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* - CRM_HICK_READY_INT_FLAG
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* - CRM_HEXT_READY_INT_FLAG
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* - CRM_PLL_READY_INT_FLAG
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* - CRM_CLOCK_FAILURE_INT_FLAG
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* @retval flag_status (SET or RESET)
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*/
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flag_status crm_interrupt_flag_get(uint32_t flag)
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{
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flag_status status = RESET;
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switch(flag)
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{
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case CRM_LICK_READY_INT_FLAG:
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if(CRM->clkint_bit.lickstblf && CRM->clkint_bit.lickstblien)
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{
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status = SET;
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}
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break;
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case CRM_LEXT_READY_INT_FLAG:
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if(CRM->clkint_bit.lextstblf && CRM->clkint_bit.lextstblien)
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{
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status = SET;
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}
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break;
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case CRM_HICK_READY_INT_FLAG:
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if(CRM->clkint_bit.hickstblf && CRM->clkint_bit.hickstblien)
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{
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status = SET;
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}
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break;
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case CRM_HEXT_READY_INT_FLAG:
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if(CRM->clkint_bit.hextstblf && CRM->clkint_bit.hextstblien)
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{
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status = SET;
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}
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break;
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case CRM_PLL_READY_INT_FLAG:
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if(CRM->clkint_bit.pllstblf && CRM->clkint_bit.pllstblien)
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{
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status = SET;
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}
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break;
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case CRM_CLOCK_FAILURE_INT_FLAG:
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if(CRM->clkint_bit.cfdf && CRM->ctrl_bit.cfden)
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{
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status = SET;
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}
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break;
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}
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return status;
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}
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/**
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* @brief wait for hext stable
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* @param none
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* @retval error_status (ERROR or SUCCESS)
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*/
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error_status crm_hext_stable_wait(void)
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{
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uint32_t stable_cnt = 0;
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error_status status = ERROR;
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while((crm_flag_get(CRM_HEXT_STABLE_FLAG) != SET) && (stable_cnt < HEXT_STARTUP_TIMEOUT))
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{
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stable_cnt ++;
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}
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if(crm_flag_get(CRM_HEXT_STABLE_FLAG) != SET)
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{
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status = ERROR;
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}
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else
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{
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status = SUCCESS;
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}
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return status;
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}
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/**
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* @brief set the hick trimming value
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* @param trim_value (0x00~0x3F)
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* @retval none
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*/
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void crm_hick_clock_trimming_set(uint8_t trim_value)
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{
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CRM->ctrl_bit.hicktrim = trim_value;
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}
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/**
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* @brief set the crm calibration value
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* @param cali_value (0x00~0xFF)
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* @retval none
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*/
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void crm_hick_clock_calibration_set(uint8_t cali_value)
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{
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/* enable write hick calibration */
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CRM->misc1_bit.hickcal_key = 0x5A;
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/* write hick calibration value */
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CRM->ctrl_bit.hickcal = cali_value;
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/* disable write hick calibration */
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CRM->misc1_bit.hickcal_key = 0x0;
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}
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/**
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* @brief enable or disable the peripheral clock
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* @param value
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* this parameter can be one of the following values:
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* - CRM_DMA1_PERIPH_CLOCK - CRM_DMA2_PERIPH_CLOCK - CRM_CRC_PERIPH_CLOCK - CRM_XMC_PERIPH_CLOCK
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* - CRM_SDIO1_PERIPH_CLOCK - CRM_SDIO2_PERIPH_CLOCK - CRM_EMAC_PERIPH_CLOCK - CRM_EMACTX_PERIPH_CLOCK
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* - CRM_EMACRX_PERIPH_CLOCK - CRM_EMACPTP_PERIPH_CLOCK - CRM_IOMUX_PERIPH_CLOCK - CRM_GPIOA_PERIPH_CLOCK
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* - CRM_GPIOB_PERIPH_CLOCK - CRM_GPIOC_PERIPH_CLOCK - CRM_GPIOD_PERIPH_CLOCK - CRM_GPIOE_PERIPH_CLOCK
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* - CRM_ADC1_PERIPH_CLOCK - CRM_ADC2_PERIPH_CLOCK - CRM_TMR1_PERIPH_CLOCK - CRM_SPI1_PERIPH_CLOCK
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* - CRM_TMR8_PERIPH_CLOCK - CRM_USART1_PERIPH_CLOCK - CRM_ADC3_PERIPH_CLOCK - CRM_TMR9_PERIPH_CLOCK
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* - CRM_TMR10_PERIPH_CLOCK - CRM_TMR11_PERIPH_CLOCK - CRM_ACC_PERIPH_CLOCK - CRM_I2C3_PERIPH_CLOCK
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* - CRM_USART6_PERIPH_CLOCK - CRM_UART7_PERIPH_CLOCK - CRM_UART8_PERIPH_CLOCK - CRM_TMR2_PERIPH_CLOCK
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* - CRM_TMR3_PERIPH_CLOCK - CRM_TMR4_PERIPH_CLOCK - CRM_TMR5_PERIPH_CLOCK - CRM_TMR6_PERIPH_CLOCK
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* - CRM_TMR7_PERIPH_CLOCK - CRM_TMR12_PERIPH_CLOCK - CRM_TMR13_PERIPH_CLOCK - CRM_TMR14_PERIPH_CLOCK
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* - CRM_WWDT_PERIPH_CLOCK - CRM_SPI2_PERIPH_CLOCK - CRM_SPI3_PERIPH_CLOCK - CRM_SPI4_PERIPH_CLOCK
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* - CRM_USART2_PERIPH_CLOCK - CRM_USART3_PERIPH_CLOCK - CRM_UART4_PERIPH_CLOCK - CRM_UART5_PERIPH_CLOCK
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* - CRM_I2C1_PERIPH_CLOCK - CRM_I2C2_PERIPH_CLOCK - CRM_USB_PERIPH_CLOCK - CRM_CAN1_PERIPH_CLOCK
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* - CRM_CAN2_PERIPH_CLOCK - CRM_BPR_PERIPH_CLOCK - CRM_PWC_PERIPH_CLOCK - CRM_DAC_PERIPH_CLOCK
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* @param new_state (TRUE or FALSE)
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* @retval none
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*/
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void crm_periph_clock_enable(crm_periph_clock_type value, confirm_state new_state)
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{
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/* enable periph clock */
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if(TRUE == new_state)
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{
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CRM_REG(value) |= CRM_REG_BIT(value);
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}
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/* disable periph clock */
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else
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{
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CRM_REG(value) &= ~(CRM_REG_BIT(value));
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}
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}
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/**
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* @brief enable or disable the peripheral reset
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* @param value
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* this parameter can be one of the following values:
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* - CRM_EMAC_PERIPH_RESET - CRM_IOMUX_PERIPH_RESET - CRM_EXINT_PERIPH_RESET - CRM_GPIOA_PERIPH_RESET
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* - CRM_GPIOB_PERIPH_RESET - CRM_GPIOC_PERIPH_RESET - CRM_GPIOD_PERIPH_RESET - CRM_GPIOE_PERIPH_RESET
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* - CRM_ADC1_PERIPH_RESET - CRM_ADC2_PERIPH_RESET - CRM_TMR1_PERIPH_RESET - CRM_SPI1_PERIPH_RESET
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* - CRM_TMR8_PERIPH_RESET - CRM_USART1_PERIPH_RESET - CRM_ADC3_PERIPH_RESET - CRM_TMR9_PERIPH_RESET
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* - CRM_TMR10_PERIPH_RESET - CRM_TMR11_PERIPH_RESET - CRM_ACC_PERIPH_RESET - CRM_I2C3_PERIPH_RESET
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* - CRM_USART6_PERIPH_RESET - CRM_UART7_PERIPH_RESET - CRM_UART8_PERIPH_RESET - CRM_TMR2_PERIPH_RESET
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* - CRM_TMR3_PERIPH_RESET - CRM_TMR4_PERIPH_RESET - CRM_TMR5_PERIPH_RESET - CRM_TMR6_PERIPH_RESET
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* - CRM_TMR7_PERIPH_RESET - CRM_TMR12_PERIPH_RESET - CRM_TMR13_PERIPH_RESET - CRM_TMR14_PERIPH_RESET
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* - CRM_WWDT_PERIPH_RESET - CRM_SPI2_PERIPH_RESET - CRM_SPI3_PERIPH_RESET - CRM_SPI4_PERIPH_RESET
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* - CRM_USART2_PERIPH_RESET - CRM_USART3_PERIPH_RESET - CRM_UART4_PERIPH_RESET - CRM_UART5_PERIPH_RESET
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* - CRM_I2C1_PERIPH_RESET - CRM_I2C2_PERIPH_RESET - CRM_USB_PERIPH_RESET - CRM_CAN1_PERIPH_RESET
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* - CRM_CAN2_PERIPH_RESET - CRM_BPR_PERIPH_RESET - CRM_PWC_PERIPH_RESET - CRM_DAC_PERIPH_RESET
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* @param new_state (TRUE or FALSE)
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* @retval none
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*/
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void crm_periph_reset(crm_periph_reset_type value, confirm_state new_state)
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{
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/* enable periph reset */
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if(new_state == TRUE)
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{
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CRM_REG(value) |= (CRM_REG_BIT(value));
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}
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/* disable periph reset */
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else
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{
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CRM_REG(value) &= ~(CRM_REG_BIT(value));
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}
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||||
}
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|
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/**
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||||
* @brief enable or disable the peripheral clock in sleep mode
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* @param value
|
||||
* this parameter can be one of the following values:
|
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* - CRM_SRAM_PERIPH_CLOCK_SLEEP_MODE
|
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* - CRM_FLASH_PERIPH_CLOCK_SLEEP_MODE
|
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* @param new_state (TRUE or FALSE)
|
||||
* @retval none
|
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*/
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void crm_periph_sleep_mode_clock_enable(crm_periph_clock_sleepmd_type value, confirm_state new_state)
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||||
{
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||||
/* enable periph clock in sleep mode */
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if(new_state == TRUE)
|
||||
{
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||||
CRM_REG(value) |= (CRM_REG_BIT(value));
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}
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||||
/* disable perph clock in sleep mode */
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||||
else
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||||
{
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||||
CRM_REG(value) &= ~(CRM_REG_BIT(value));
|
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}
|
||||
|
||||
}
|
||||
|
||||
/**
|
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* @brief enable or disable the crm clock source
|
||||
* @param source
|
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* this parameter can be one of the following values:
|
||||
* - CRM_CLOCK_SOURCE_HICK
|
||||
* - CRM_CLOCK_SOURCE_HEXT
|
||||
* - CRM_CLOCK_SOURCE_PLL
|
||||
* - CRM_CLOCK_SOURCE_LEXT
|
||||
* - CRM_CLOCK_SOURCE_LICK
|
||||
* @param new_state (TRUE or FALSE)
|
||||
* @retval none
|
||||
*/
|
||||
void crm_clock_source_enable(crm_clock_source_type source, confirm_state new_state)
|
||||
{
|
||||
switch(source)
|
||||
{
|
||||
case CRM_CLOCK_SOURCE_HICK:
|
||||
CRM->ctrl_bit.hicken = new_state;
|
||||
break;
|
||||
case CRM_CLOCK_SOURCE_HEXT:
|
||||
CRM->ctrl_bit.hexten = new_state;
|
||||
break;
|
||||
case CRM_CLOCK_SOURCE_PLL:
|
||||
CRM->ctrl_bit.pllen = new_state;
|
||||
break;
|
||||
case CRM_CLOCK_SOURCE_LEXT:
|
||||
CRM->bpdc_bit.lexten = new_state;
|
||||
break;
|
||||
case CRM_CLOCK_SOURCE_LICK:
|
||||
CRM->ctrlsts_bit.licken = new_state;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief clear the crm reset flags
|
||||
* @param flag
|
||||
* this parameter can be one of the following values:
|
||||
* reset flag:
|
||||
* - CRM_NRST_RESET_FLAG
|
||||
* - CRM_POR_RESET_FLAG
|
||||
* - CRM_SW_RESET_FLAG
|
||||
* - CRM_WDT_RESET_FLAG
|
||||
* - CRM_WWDT_RESET_FLAG
|
||||
* - CRM_LOWPOWER_RESET_FLAG
|
||||
* - CRM_ALL_RESET_FLAG
|
||||
* interrupt flag:
|
||||
* - CRM_LICK_READY_INT_FLAG
|
||||
* - CRM_LEXT_READY_INT_FLAG
|
||||
* - CRM_HICK_READY_INT_FLAG
|
||||
* - CRM_HEXT_READY_INT_FLAG
|
||||
* - CRM_PLL_READY_INT_FLAG
|
||||
* - CRM_CLOCK_FAILURE_INT_FLAG
|
||||
* @retval none
|
||||
*/
|
||||
void crm_flag_clear(uint32_t flag)
|
||||
{
|
||||
switch(flag)
|
||||
{
|
||||
case CRM_NRST_RESET_FLAG:
|
||||
case CRM_POR_RESET_FLAG:
|
||||
case CRM_SW_RESET_FLAG:
|
||||
case CRM_WDT_RESET_FLAG:
|
||||
case CRM_WWDT_RESET_FLAG:
|
||||
case CRM_LOWPOWER_RESET_FLAG:
|
||||
case CRM_ALL_RESET_FLAG:
|
||||
CRM->ctrlsts_bit.rstfc = TRUE;
|
||||
while(CRM->ctrlsts_bit.rstfc == TRUE);
|
||||
break;
|
||||
case CRM_LICK_READY_INT_FLAG:
|
||||
CRM->clkint_bit.lickstblfc = TRUE;
|
||||
break;
|
||||
case CRM_LEXT_READY_INT_FLAG:
|
||||
CRM->clkint_bit.lextstblfc = TRUE;
|
||||
break;
|
||||
case CRM_HICK_READY_INT_FLAG:
|
||||
CRM->clkint_bit.hickstblfc = TRUE;
|
||||
break;
|
||||
case CRM_HEXT_READY_INT_FLAG:
|
||||
CRM->clkint_bit.hextstblfc = TRUE;
|
||||
break;
|
||||
case CRM_PLL_READY_INT_FLAG:
|
||||
CRM->clkint_bit.pllstblfc = TRUE;
|
||||
break;
|
||||
case CRM_CLOCK_FAILURE_INT_FLAG:
|
||||
CRM->clkint_bit.cfdfc = TRUE;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief select rtc clock
|
||||
* @param value
|
||||
* this parameter can be one of the following values:
|
||||
* - CRM_RTC_CLOCK_LEXT
|
||||
* - CRM_RTC_CLOCK_LICK
|
||||
* - CRM_RTC_CLOCK_HEXT_DIV
|
||||
* @retval none
|
||||
*/
|
||||
void crm_rtc_clock_select(crm_rtc_clock_type value)
|
||||
{
|
||||
CRM->bpdc_bit.rtcsel = value;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief enable or disable rtc
|
||||
* @param new_state (TRUE or FALSE)
|
||||
* @retval none
|
||||
*/
|
||||
void crm_rtc_clock_enable(confirm_state new_state)
|
||||
{
|
||||
CRM->bpdc_bit.rtcen = new_state;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief set crm ahb division
|
||||
* @param value
|
||||
* this parameter can be one of the following values:
|
||||
* - CRM_AHB_DIV_1
|
||||
* - CRM_AHB_DIV_2
|
||||
* - CRM_AHB_DIV_4
|
||||
* - CRM_AHB_DIV_8
|
||||
* - CRM_AHB_DIV_16
|
||||
* - CRM_AHB_DIV_64
|
||||
* - CRM_AHB_DIV_128
|
||||
* - CRM_AHB_DIV_256
|
||||
* - CRM_AHB_DIV_512
|
||||
* @retval none
|
||||
*/
|
||||
void crm_ahb_div_set(crm_ahb_div_type value)
|
||||
{
|
||||
CRM->cfg_bit.ahbdiv = value;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief set crm apb1 division
|
||||
* @note the maximum frequency of APB1/APB2 clock is 120 MHz
|
||||
* @param value
|
||||
* this parameter can be one of the following values:
|
||||
* - CRM_APB1_DIV_1
|
||||
* - CRM_APB1_DIV_2
|
||||
* - CRM_APB1_DIV_4
|
||||
* - CRM_APB1_DIV_8
|
||||
* - CRM_APB1_DIV_16
|
||||
* @retval none
|
||||
*/
|
||||
void crm_apb1_div_set(crm_apb1_div_type value)
|
||||
{
|
||||
CRM->cfg_bit.apb1div = value;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief set crm apb2 division
|
||||
* @note the maximum frequency of APB1/APB2 clock is 120 MHz
|
||||
* @param value
|
||||
* this parameter can be one of the following values:
|
||||
* - CRM_APB2_DIV_1
|
||||
* - CRM_APB2_DIV_2
|
||||
* - CRM_APB2_DIV_4
|
||||
* - CRM_APB2_DIV_8
|
||||
* - CRM_APB2_DIV_16
|
||||
* @retval none
|
||||
*/
|
||||
void crm_apb2_div_set(crm_apb2_div_type value)
|
||||
{
|
||||
CRM->cfg_bit.apb2div = value;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief set crm adc division
|
||||
* @param value
|
||||
* this parameter can be one of the following values:
|
||||
* - CRM_ADC_DIV_2
|
||||
* - CRM_ADC_DIV_4
|
||||
* - CRM_ADC_DIV_6
|
||||
* - CRM_ADC_DIV_8
|
||||
* - CRM_ADC_DIV_12
|
||||
* - CRM_ADC_DIV_16
|
||||
* @retval none
|
||||
*/
|
||||
void crm_adc_clock_div_set(crm_adc_div_type div_value)
|
||||
{
|
||||
CRM->cfg_bit.adcdiv_l = div_value & 0x03;
|
||||
CRM->cfg_bit.adcdiv_h = (div_value >> 2) & 0x01;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief set crm usb division
|
||||
* @param value
|
||||
* this parameter can be one of the following values:
|
||||
* - CRM_USB_DIV_1_5
|
||||
* - CRM_USB_DIV_1
|
||||
* - CRM_USB_DIV_2_5
|
||||
* - CRM_USB_DIV_2
|
||||
* - CRM_USB_DIV_3_5
|
||||
* - CRM_USB_DIV_3
|
||||
* - CRM_USB_DIV_4
|
||||
* @retval none
|
||||
*/
|
||||
void crm_usb_clock_div_set(crm_usb_div_type div_value)
|
||||
{
|
||||
CRM->cfg_bit.usbdiv_l = div_value & 0x03;
|
||||
CRM->cfg_bit.usbdiv_h = (div_value >> 2) & 0x01;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief enable or disable clock failure detection
|
||||
* @param new_state (TRUE or FALSE)
|
||||
* @retval none
|
||||
*/
|
||||
void crm_clock_failure_detection_enable(confirm_state new_state)
|
||||
{
|
||||
CRM->ctrl_bit.cfden = new_state;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief battery powered domain software reset
|
||||
* @param new_state (TRUE or FALSE)
|
||||
* @retval none
|
||||
*/
|
||||
void crm_battery_powered_domain_reset(confirm_state new_state)
|
||||
{
|
||||
CRM->bpdc_bit.bpdrst = new_state;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief config crm pll
|
||||
* @param clock_source
|
||||
* this parameter can be one of the following values:
|
||||
* - CRM_PLL_SOURCE_HICK
|
||||
* - CRM_PLL_SOURCE_HEXT
|
||||
* - CRM_PLL_SOURCE_HEXT_DIV
|
||||
* @param mult_value (CRM_PLL_MULT_2~64)
|
||||
* @param pll_range
|
||||
* this parameter can be one of the following values:
|
||||
* - CRM_PLL_OUTPUT_RANGE_LE72MHZ
|
||||
* - CRM_PLL_OUTPUT_RANGE_GT72MHZ
|
||||
* @retval none
|
||||
*/
|
||||
void crm_pll_config(crm_pll_clock_source_type clock_source, crm_pll_mult_type mult_value, crm_pll_output_range_type pll_range)
|
||||
{
|
||||
/* config pll clock source */
|
||||
if(clock_source == CRM_PLL_SOURCE_HICK)
|
||||
{
|
||||
CRM->cfg_bit.pllrcs = FALSE;
|
||||
CRM->misc1_bit.hickdiv = CRM_HICK48_NODIV;
|
||||
}
|
||||
else
|
||||
{
|
||||
CRM->cfg_bit.pllrcs = TRUE;
|
||||
if(CRM_PLL_SOURCE_HEXT == clock_source)
|
||||
{
|
||||
CRM->cfg_bit.pllhextdiv = FALSE;
|
||||
}
|
||||
else
|
||||
{
|
||||
CRM->cfg_bit.pllhextdiv = TRUE;
|
||||
}
|
||||
}
|
||||
|
||||
/* config pll multiplication factor */
|
||||
CRM->cfg_bit.pllmult_l = (mult_value & 0x0F);
|
||||
CRM->cfg_bit.pllmult_h = ((mult_value & 0x30) >> 4);
|
||||
|
||||
/* config pll output range */
|
||||
CRM->cfg_bit.pllrange = pll_range;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief select system clock source
|
||||
* @param value
|
||||
* this parameter can be one of the following values:
|
||||
* - CRM_SCLK_HICK
|
||||
* - CRM_SCLK_HEXT
|
||||
* - CRM_SCLK_PLL
|
||||
* @retval none
|
||||
*/
|
||||
void crm_sysclk_switch(crm_sclk_type value)
|
||||
{
|
||||
CRM->cfg_bit.sclksel = value;
|
||||
DUMMY_NOP();
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief indicate which clock source is used as system clock
|
||||
* @param none
|
||||
* @retval crm_sclk
|
||||
* this return can be one of the following values:
|
||||
* - CRM_SCLK_HICK
|
||||
* - CRM_SCLK_HEXT
|
||||
* - CRM_SCLK_PLL
|
||||
*/
|
||||
crm_sclk_type crm_sysclk_switch_status_get(void)
|
||||
{
|
||||
return (crm_sclk_type)CRM->cfg_bit.sclksts;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief get crm clocks freqency
|
||||
* @param clocks
|
||||
* - pointer to the crm_clocks_freq structure
|
||||
* @retval none
|
||||
*/
|
||||
void crm_clocks_freq_get(crm_clocks_freq_type *clocks_struct)
|
||||
{
|
||||
uint32_t hext_prediv = 0, pll_mult = 0, pll_mult_h = 0, pll_clock_source = 0, temp = 0, div_value = 0;
|
||||
crm_sclk_type sclk_source;
|
||||
|
||||
static const uint8_t sclk_ahb_div_table[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
|
||||
static const uint8_t ahb_apb1_div_table[8] = {0, 0, 0, 0, 1, 2, 3, 4};
|
||||
static const uint8_t ahb_apb2_div_table[8] = {0, 0, 0, 0, 1, 2, 3, 4};
|
||||
static const uint8_t adc_div_table[8] = {2, 4, 6, 8, 2, 12, 8, 16};
|
||||
|
||||
/* get sclk source */
|
||||
sclk_source = crm_sysclk_switch_status_get();
|
||||
|
||||
switch(sclk_source)
|
||||
{
|
||||
case CRM_SCLK_HICK:
|
||||
if(((CRM->misc3_bit.hick_to_sclk) != RESET) && ((CRM->misc1_bit.hickdiv) != RESET))
|
||||
clocks_struct->sclk_freq = HICK_VALUE * 6;
|
||||
else
|
||||
clocks_struct->sclk_freq = HICK_VALUE;
|
||||
break;
|
||||
case CRM_SCLK_HEXT:
|
||||
clocks_struct->sclk_freq = HEXT_VALUE;
|
||||
break;
|
||||
case CRM_SCLK_PLL:
|
||||
pll_clock_source = CRM->cfg_bit.pllrcs;
|
||||
/* get multiplication factor */
|
||||
pll_mult = CRM->cfg_bit.pllmult_l;
|
||||
pll_mult_h = CRM->cfg_bit.pllmult_h;
|
||||
|
||||
/* process high bits */
|
||||
if((pll_mult_h != 0U) || (pll_mult == 15U))
|
||||
{
|
||||
pll_mult += ((16U * pll_mult_h) + 1U);
|
||||
}
|
||||
else
|
||||
{
|
||||
pll_mult += 2U;
|
||||
}
|
||||
|
||||
if (pll_clock_source == 0x00)
|
||||
{
|
||||
/* hick divided by 2 selected as pll clock entry */
|
||||
clocks_struct->sclk_freq = (HICK_VALUE >> 1) * pll_mult;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* hext selected as pll clock entry */
|
||||
if (CRM->cfg_bit.pllhextdiv != RESET)
|
||||
{
|
||||
hext_prediv = CRM->misc3_bit.hextdiv;
|
||||
/* hext clock divided by 2 */
|
||||
clocks_struct->sclk_freq = (HEXT_VALUE / (hext_prediv + 2)) * pll_mult;
|
||||
}
|
||||
else
|
||||
{
|
||||
clocks_struct->sclk_freq = HEXT_VALUE * pll_mult;
|
||||
}
|
||||
}
|
||||
break;
|
||||
default:
|
||||
clocks_struct->sclk_freq = HICK_VALUE;
|
||||
break;
|
||||
}
|
||||
|
||||
/* compute sclk, ahbclk, abp1clk apb2clk and adcclk frequencies */
|
||||
/* get ahb division */
|
||||
temp = CRM->cfg_bit.ahbdiv;
|
||||
div_value = sclk_ahb_div_table[temp];
|
||||
/* ahbclk frequency */
|
||||
clocks_struct->ahb_freq = clocks_struct->sclk_freq >> div_value;
|
||||
|
||||
/* get apb1 division */
|
||||
temp = CRM->cfg_bit.apb1div;
|
||||
div_value = ahb_apb1_div_table[temp];
|
||||
/* apb1clk frequency */
|
||||
clocks_struct->apb1_freq = clocks_struct->ahb_freq >> div_value;
|
||||
|
||||
/* get apb2 division */
|
||||
temp = CRM->cfg_bit.apb2div;
|
||||
div_value = ahb_apb2_div_table[temp];
|
||||
/* apb2clk frequency */
|
||||
clocks_struct->apb2_freq = clocks_struct->ahb_freq >> div_value;
|
||||
|
||||
/* get adc division */
|
||||
temp = CRM->cfg_bit.adcdiv_h;
|
||||
temp = ((temp << 2) | (CRM->cfg_bit.adcdiv_l));
|
||||
div_value = adc_div_table[temp];
|
||||
/* adcclk clock frequency */
|
||||
clocks_struct->adc_freq = clocks_struct->apb2_freq / div_value;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief set crm clkout
|
||||
* @param clkout
|
||||
* this parameter can be one of the following values:
|
||||
* - CRM_CLKOUT_NOCLK
|
||||
* - CRM_CLKOUT_LICK
|
||||
* - CRM_CLKOUT_LEXT
|
||||
* - CRM_CLKOUT_SCLK
|
||||
* - CRM_CLKOUT_HICK
|
||||
* - CRM_CLKOUT_HEXT
|
||||
* - CRM_CLKOUT_PLL_DIV_2
|
||||
* - CRM_CLKOUT_PLL_DIV_4
|
||||
* - CRM_CLKOUT_USB
|
||||
* - CRM_CLKOUT_ADC
|
||||
* @retval none
|
||||
*/
|
||||
void crm_clock_out_set(crm_clkout_select_type clkout)
|
||||
{
|
||||
CRM->cfg_bit.clkout_sel = clkout & 0x7;
|
||||
CRM->misc1_bit.clkout_sel = (clkout >> 3) & 0x1;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief config crm interrupt
|
||||
* @param int
|
||||
* this parameter can be any combination of the following values:
|
||||
* - CRM_LICK_STABLE_INT
|
||||
* - CRM_LEXT_STABLE_INT
|
||||
* - CRM_HICK_STABLE_INT
|
||||
* - CRM_HEXT_STABLE_INT
|
||||
* - CRM_PLL_STABLE_INT
|
||||
* @param new_state (TRUE or FALSE)
|
||||
* @retval none
|
||||
*/
|
||||
void crm_interrupt_enable(uint32_t crm_int, confirm_state new_state)
|
||||
{
|
||||
if(new_state == TRUE)
|
||||
CRM->clkint |= crm_int;
|
||||
else
|
||||
CRM->clkint &= ~crm_int;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief auto step clock switch enable
|
||||
* @param new_state (TRUE or FALSE)
|
||||
* @retval none
|
||||
*/
|
||||
void crm_auto_step_mode_enable(confirm_state new_state)
|
||||
{
|
||||
if(new_state == TRUE)
|
||||
CRM->misc3_bit.auto_step_en = CRM_AUTO_STEP_MODE_ENABLE;
|
||||
else
|
||||
CRM->misc3_bit.auto_step_en = CRM_AUTO_STEP_MODE_DISABLE;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief usbdev interrupt remapping control
|
||||
* @param int_remap
|
||||
* this parameter can be one of the following values:
|
||||
* - CRM_USB_INT19_INT20
|
||||
* - CRM_USB_INT73_INT74
|
||||
* @retval none
|
||||
*/
|
||||
void crm_usb_interrupt_remapping_set(crm_usb_int_map_type int_remap)
|
||||
{
|
||||
CRM->intmap_bit.usbintmap = int_remap;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief config hick divider select
|
||||
* @param value
|
||||
* this parameter can be one of the following values:
|
||||
* - CRM_HICK48_DIV6
|
||||
* - CRM_HICK48_NODIV
|
||||
* @retval none
|
||||
*/
|
||||
void crm_hick_divider_select(crm_hick_div_6_type value)
|
||||
{
|
||||
CRM->misc1_bit.hickdiv = value;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief hick as system clock frequency select
|
||||
* @param value
|
||||
* this parameter can be one of the following values:
|
||||
* - CRM_HICK_SCLK_8MHZ
|
||||
* - CRM_HICK_SCLK_48MHZ
|
||||
* @retval none
|
||||
*/
|
||||
void crm_hick_sclk_frequency_select(crm_hick_sclk_frequency_type value)
|
||||
{
|
||||
crm_hick_divider_select(CRM_HICK48_NODIV);
|
||||
CRM->misc3_bit.hick_to_sclk = value;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief usb 48 mhz clock source select
|
||||
* @param value
|
||||
* this parameter can be one of the following values:
|
||||
* - CRM_USB_CLOCK_SOURCE_PLL
|
||||
* - CRM_USB_CLOCK_SOURCE_HICK
|
||||
* @retval none
|
||||
*/
|
||||
void crm_usb_clock_source_select(crm_usb_clock_source_type value)
|
||||
{
|
||||
if(value == CRM_USB_CLOCK_SOURCE_HICK)
|
||||
{
|
||||
crm_hick_sclk_frequency_select(CRM_HICK_SCLK_48MHZ);
|
||||
}
|
||||
CRM->misc3_bit.hick_to_usb = value;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief enable or disable clkout direct to tmr10 channel 1
|
||||
* @param new_state (TRUE or FALSE)
|
||||
* @retval none
|
||||
*/
|
||||
void crm_clkout_to_tmr10_enable(confirm_state new_state)
|
||||
{
|
||||
CRM->misc2_bit.clk_to_tmr = new_state;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief set hext clock division
|
||||
* @param value
|
||||
* this parameter can be one of the following values:
|
||||
* - CRM_HEXT_DIV_2
|
||||
* - CRM_HEXT_DIV_3
|
||||
* - CRM_HEXT_DIV_4
|
||||
* - CRM_HEXT_DIV_5
|
||||
* @retval none
|
||||
*/
|
||||
void crm_hext_clock_div_set(crm_hext_div_type value)
|
||||
{
|
||||
CRM->misc3_bit.hextdiv = value;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief set crm clkout division
|
||||
* @param clkout_div
|
||||
* this parameter can be one of the following values:
|
||||
* - CRM_CLKOUT_DIV_1
|
||||
* - CRM_CLKOUT_DIV_2
|
||||
* - CRM_CLKOUT_DIV_4
|
||||
* - CRM_CLKOUT_DIV_8
|
||||
* - CRM_CLKOUT_DIV_16
|
||||
* - CRM_CLKOUT_DIV_64
|
||||
* - CRM_CLKOUT_DIV_128
|
||||
* - CRM_CLKOUT_DIV_256
|
||||
* - CRM_CLKOUT_DIV_512
|
||||
* @retval none
|
||||
*/
|
||||
void crm_clkout_div_set(crm_clkout_div_type clkout_div)
|
||||
{
|
||||
CRM->misc1_bit.clkoutdiv = clkout_div;
|
||||
}
|
||||
|
||||
#if defined (AT32F407xx)
|
||||
/**
|
||||
* @brief set emac output pulse width
|
||||
* @param width
|
||||
* this parameter can be one of the following values:
|
||||
* - CRM_EMAC_PULSE_125MS
|
||||
* - CRM_EMAC_PULSE_1SCLK
|
||||
* @retval none
|
||||
*/
|
||||
void crm_emac_output_pulse_set(crm_emac_output_pulse_type width)
|
||||
{
|
||||
CRM->misc3_bit.emac_pps_sel = width;
|
||||
}
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
Reference in New Issue
Block a user