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/*!
* @file apm32f0xx_syscfg.c
*
* @brief This file contains all the functions for the SYSCFG peripheral
*
* @version V1.0.3
*
* @date 2022-09-20
*
* @attention
*
* Copyright (C) 2020-2022 Geehy Semiconductor
*
* You may not use this file except in compliance with the
* GEEHY COPYRIGHT NOTICE (GEEHY SOFTWARE PACKAGE LICENSE).
*
* The program is only for reference, which is distributed in the hope
* that it will be useful and instructional for customers to develop
* their software. Unless required by applicable law or agreed to in
* writing, the program is distributed on an "AS IS" BASIS, WITHOUT
* ANY WARRANTY OR CONDITIONS OF ANY KIND, either express or implied.
* See the GEEHY SOFTWARE PACKAGE LICENSE for the governing permissions
* and limitations under the License.
*/
#include "apm32f0xx_syscfg.h"
/** @addtogroup APM32F0xx_StdPeriphDriver
@{
*/
/** @addtogroup SYSCFG_Driver SYSCFG Driver
@{
*/
/** @defgroup SYSCFG_Macros Macros
@{
*/
/**@} end of group SYSCFG_Macros */
/** @defgroup SYSCFG_Enumerations Enumerations
@{
*/
/**@} end of group SYSCFG_Enumerations */
/** @defgroup SYSCFG_Structures Structures
@{
*/
/**@} end of group SYSCFG_Structures */
/** @defgroup SYSCFG_Variables Variables
@{
*/
/**@} end of group SYSCFG_Variables */
/** @defgroup SYSCFG_Functions Functions
@{
*/
/*!
* @brief Set SYSCFG CFG0/1 EINTCFG1/2/3/4 register to reset value
*
* @param None
*
* @retval None
*/
void SYSCFG_Reset(void)
{
SYSCFG->CFG1 &= (uint32_t) SYSCFG_CFG1_MEMMODE;
SYSCFG->EINTCFG1 = 0;
SYSCFG->EINTCFG2 = 0;
SYSCFG->EINTCFG3 = 0;
SYSCFG->EINTCFG4 = 0;
SYSCFG->CFG2 |= (uint32_t) SYSCFG_CFG2_SRAMPEF;
}
/*!
* @brief SYSCFG Memory Remap selects
*
* @param memory: selects the memory remapping
* The parameter can be one of following values:
* @arg SYSCFG_MEMORY_REMAP_FMC: SYSCFG MemoryRemap Flash
* @arg SYSCFG_MEMORY_REMAP_SYSTEM: SYSCFG MemoryRemap SystemMemory
* @arg SYSCFG_MEMORY_REMAP_SRAM: SYSCFG MemoryRemap SRAM
*
* @retval None
*/
void SYSCFG_MemoryRemapSelect(uint8_t memory)
{
SYSCFG->CFG1_B.MMSEL = (uint8_t)memory;
}
/*!
* @brief Enables SYSCFG DMA Channel Remap
*
* @param channel: selects the DMA channels remap.
* The parameter can be any combination of following values:
* @arg SYSCFG_DAM_REMAP_ADC: ADC DMA remap
* @arg SYSCFG_DAM_REMAP_USART1TX: USART1 TX DMA remap
* @arg SYSCFG_DAM_REMAP_USART1RX: USART1 RX DMA remap
* @arg SYSCFG_DAM_REMAP_TMR16: Timer 16 DMA remap
* @arg SYSCFG_DAM_REMAP_TMR17: Timer 17 DMA remap
* @arg SYSCFG_DAM_REMAP_TMR16_2�� Timer 16 DMA remap2(only for APM32F072)
* @arg SYSCFG_DAM_REMAP_TMR17_2�� Timer 17 DMA remap2(only for APM32F072)
* @arg SYSCFG_DAM_REMAP_SPI2�� SPI2 DMA remap(only for APM32F072)
* @arg SYSCFG_DAM_REMAP_USART2�� USART1 TX DMA remap(only for APM32F072)
* @arg SYSCFG_DAM_REMAP_USART3�� USART1 RX DMA remap(only for APM32F072)
* @arg SYSCFG_DAM_REMAP_I2C1�� I2C1 DMA remap(only for APM32F072)
* @arg SYSCFG_DAM_REMAP_TMR1�� Timer 1 DMA remap(only for APM32F072)
* @arg SYSCFG_DAM_REMAP_TMR2�� Timer 2 DMA remap(only for APM32F072)
* @arg SYSCFG_DAM_REMAP_TMR3�� Timer 3 DMA remap(only for APM32F072)
*
* @retval None
*/
void SYSCFG_EnableDMAChannelRemap(uint32_t channel)
{
SYSCFG->CFG1 |= (uint32_t)channel;
}
/*!
* @brief Disables SYSCFG DMA Channel Remap
*
* @param channel: selects the DMA channels remap.
* The parameter can be any combination of following values:
* @arg SYSCFG_DAM_REMAP_ADC: ADC DMA remap
* @arg SYSCFG_DAM_REMAP_USART1TX: USART1 TX DMA remap
* @arg SYSCFG_DAM_REMAP_USART1RX: USART1 RX DMA remap
* @arg SYSCFG_DAM_REMAP_TMR16: Timer 16 DMA remap
* @arg SYSCFG_DAM_REMAP_TMR17: Timer 17 DMA remap
* @arg SYSCFG_DAM_REMAP_TMR16_2�� Timer 16 DMA remap2(only for APM32F072)
* @arg SYSCFG_DAM_REMAP_TMR17_2�� Timer 17 DMA remap2(only for APM32F072)
* @arg SYSCFG_DAM_REMAP_SPI2�� SPI2 DMA remap(only for APM32F072)
* @arg SYSCFG_DAM_REMAP_USART2�� USART1 TX DMA remap(only for APM32F072)
* @arg SYSCFG_DAM_REMAP_USART3�� USART1 RX DMA remap(only for APM32F072)
* @arg SYSCFG_DAM_REMAP_I2C1�� I2C1 DMA remap(only for APM32F072)
* @arg SYSCFG_DAM_REMAP_TMR1�� Timer 1 DMA remap(only for APM32F072)
* @arg SYSCFG_DAM_REMAP_TMR2�� Timer 2 DMA remap(only for APM32F072)
* @arg SYSCFG_DAM_REMAP_TMR3�� Timer 3 DMA remap(only for APM32F072)
*
* @retval None
*/
void SYSCFG_DisableDMAChannelRemap(uint32_t channel)
{
SYSCFG->CFG1 &= (uint32_t)~channel;
}
/*!
* @brief Enables SYSCFG I2C Fast Mode Plus
*
* @param pin: selects the pin.
* The parameter can be combination of following values:
* @arg SYSCFG_I2C_FMP_PB6: I2C PB6 Fast mode plus
* @arg SYSCFG_I2C_FMP_PB7: I2C PB7 Fast mode plus
* @arg SYSCFG_I2C_FMP_PB8: I2C PB8 Fast mode plus
* @arg SYSCFG_I2C_FMP_PB9: I2C PB9 Fast mode plus
* @arg SYSCFG_I2C_FMP_PA9: I2C PA9 Fast mode plus(only for APM32F030 and APM32F091)
* @arg SYSCFG_I2C_FMP_PA10: I2C PA10 Fast mode plus(only for APM32F030 and APM32F091)
* @arg SYSCFG_I2C_FMP_I2C1: PB10, PB11, PF6 and PF7
* @arg SYSCFG_I2C_FMP_I2C2: I2C2 Fast mode plus(only for APM32F072 and APM32F091)
*
* @retval None
*/
void SYSCFG_EnableI2CFastModePlus(uint32_t pin)
{
SYSCFG->CFG1 |= (uint32_t)pin;
}
/*!
* @brief Disables SYSCFG I2C Fast Mode Plus
*
* @param pin: selects the pin.
* The parameter can be combination of following values:
* @arg SYSCFG_I2C_FMP_PB6: I2C PB6 Fast mode plus
* @arg SYSCFG_I2C_FMP_PB7: I2C PB7 Fast mode plus
* @arg SYSCFG_I2C_FMP_PB8: I2C PB8 Fast mode plus
* @arg SYSCFG_I2C_FMP_PB9: I2C PB9 Fast mode plus
* @arg SYSCFG_I2C_FMP_PA9: I2C PA9 Fast mode plus(only for APM32F030 and APM32F091)
* @arg SYSCFG_I2C_FMP_PA10: I2C PA10 Fast mode plus(only for APM32F030 and APM32F091)
* @arg SYSCFG_I2C_FMP_I2C1: PB10, PB11, PF6 and PF7
* @arg SYSCFG_I2C_FMP_I2C2: I2C2 Fast mode plus(only for APM32F072 and APM32F091)
*
* @retval None
*/
void SYSCFG_DisableI2CFastModePlus(uint32_t pin)
{
SYSCFG->CFG1 &= (uint32_t)~pin;
}
/*!
* @brief Select the modulation envelope source
*
* @param IRDAEnv: selects the envelope source
* The parameter can be one of following values:
* @arg SYSCFG_IRDA_ENV_TMR16: Timer16 as IRDA Modulation envelope source
* @arg SYSCFG_IRDA_ENV_USART1: USART1 as IRDA Modulation envelope source
* @arg SYSCFG_IRDA_ENV_USART2: USART4 as IRDA Modulation envelope source
*
* @retval None
*
* @note It's only for APM32F091 devices.
*/
void SYSCFG_SelectIRDAEnv(SYSCFG_IRDA_ENV_T IRDAEnv)
{
SYSCFG->CFG1 &= ~(0x000000C0);
SYSCFG->CFG1 |= (IRDAEnv);
}
/*!
* @brief Selects the GPIO pin used as EINT Line.
*
* @param port: selects the port can be GPIOA/B/C/D/E/F
*
* @param pin: selects the pin can be SYSCFG_PIN_(0..15)
*
* @retval None
*
* @note GPIOE only for APM32F072 and APM32F091
*/
void SYSCFG_EINTLine(SYSCFG_PORT_T port, SYSCFG_PIN_T pin)
{
uint32_t status;
status = (((uint32_t)0x0F) & port) << (0x04 * (pin & (uint8_t)0x03));
if (pin <= 0x03)
{
SYSCFG->EINTCFG1 |= status;
}
else if ((0x04 <= pin) & (pin <= 0x07))
{
SYSCFG->EINTCFG2 |= status;
}
else if ((0x08 <= pin) & (pin <= 0x0B))
{
SYSCFG->EINTCFG3 |= status;
}
else if ((0x0C <= pin) & (pin <= 0x0F))
{
SYSCFG->EINTCFG4 |= status;
}
}
/*!
* @brief Selected parameter to the break input of TMR1.
*
* @param lock: selects the configuration to break
* The parameter can be one of following values:
* @arg SYSCFG_LOCK_LOCKUP: Cortex-M0 LOCKUP bit
* @arg SYSCFG_LOCK_SRAM: SRAM parity lock bit
* @arg SYSCFG_LOCK_PVD: PVD lock enable bit
*
* @retval None
*/
void SYSCFG_BreakLock(uint32_t lock)
{
SYSCFG->CFG2_B.LOCK = 0;
SYSCFG->CFG2_B.SRAMLOCK = 0;
SYSCFG->CFG2_B.PVDLOCK = 0;
if (lock == SYSCFG_LOCK_LOCKUP)
{
SYSCFG->CFG2_B.LOCK = BIT_SET;
}
if (lock == SYSCFG_LOCK_SRAM)
{
SYSCFG->CFG2_B.SRAMLOCK = BIT_SET;
}
if (lock == SYSCFG_LOCK_PVD)
{
SYSCFG->CFG2_B.PVDLOCK = BIT_SET;
}
}
/*!
* @brief Read the specified SYSCFG flag
*
* @param flag: SRAM Parity error flag
* @arg SYSCFG_CFG2_SRAMPEF
*
* @retval None
*/
uint8_t SYSCFG_ReadStatusFlag(uint32_t flag)
{
uint32_t status;
status = (uint32_t)(SYSCFG->CFG2 & flag);
if (status == flag)
{
return SET;
}
return RESET;
}
/*!
* @brief Clear the specified SYSCFG flag
*
* @param flag: SRAM Parity error flag
* @arg SYSCFG_CFG2_SRAMPEF
*
* @retval None
*/
void SYSCFG_ClearStatusFlag(uint8_t flag)
{
SYSCFG->CFG2 |= (uint32_t) flag;
}
/**@} end of group SYSCFG_Functions*/
/**@} end of group SYSCFG_Driver*/
/**@} end of group APM32F0xx_StdPeriphDriver*/
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