Arrow / Mbed OS DAPLink Reset

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SYS Exported Functions
Functions

SYS Exported Functions
[SYS Driver]

Functions

__STATIC_INLINE void SYS_UnlockReg (void)
 Disable register write-protection function.
__STATIC_INLINE void SYS_LockReg (void)
 Enable register write-protection function.
void SYS_ClearResetSrc (uint32_t u32Src)
 Clear reset source.
uint32_t SYS_GetBODStatus (void)
 Get Brown-out detector output status.
uint32_t SYS_GetResetSrc (void)
 Get reset status register value.
uint32_t SYS_IsRegLocked (void)
 Check if register is locked nor not.
uint32_t SYS_ReadPDID (void)
 Get product ID.
void SYS_ResetChip (void)
 Reset chip with chip reset.
void SYS_ResetCPU (void)
 Reset chip with CPU reset.
void SYS_ResetModule (uint32_t u32ModuleIndex)
 Reset selected module.
void SYS_EnableBOD (int32_t i32Mode, uint32_t u32BODLevel)
 Enable and configure Brown-out detector function.
void SYS_DisableBOD (void)
 Disable Brown-out detector function.
void SYS_SetPowerLevel (uint32_t u32PowerLevel)
 Set Power Level.

Function Documentation

void SYS_ClearResetSrc ( uint32_t  u32Src )

Clear reset source.

Parameters:
[in]u32Srcis system reset source. Including :

  • SYS_RSTSTS_CPULKRF_Msk
  • SYS_RSTSTS_CPURF_Msk
  • SYS_RSTSTS_SYSRF_Msk
  • SYS_RSTSTS_BODRF_Msk
  • SYS_RSTSTS_LVRF_Msk
  • SYS_RSTSTS_WDTRF_Msk
  • SYS_RSTSTS_PINRF_Msk
  • SYS_RSTSTS_PORF_Msk
Returns:
None

This function clear the selected system reset source.

Definition at line 65 of file m480_sys.c.

void SYS_DisableBOD ( void   )

Disable Brown-out detector function.

Parameters:
None
Returns:
None

This function disable Brown-out detector function. The register write-protection function should be disabled before using this function.

Definition at line 243 of file m480_sys.c.

void SYS_EnableBOD ( int32_t  i32Mode,
uint32_t  u32BODLevel 
)

Enable and configure Brown-out detector function.

Parameters:
[in]i32Modeis reset or interrupt mode. Including :

  • SYS_BODCTL_BOD_RST_EN
  • SYS_BODCTL_BOD_INTERRUPT_EN
[in]u32BODLevelis Brown-out voltage level. Including :

  • SYS_BODCTL_BODVL_3_0V
  • SYS_BODCTL_BODVL_2_8V
  • SYS_BODCTL_BODVL_2_6V
  • SYS_BODCTL_BODVL_2_4V
  • SYS_BODCTL_BODVL_2_2V
  • SYS_BODCTL_BODVL_2_0V
  • SYS_BODCTL_BODVL_1_8V
  • SYS_BODCTL_BODVL_1_6V
Returns:
None

This function configure Brown-out detector reset or interrupt mode, enable Brown-out function and set Brown-out voltage level. The register write-protection function should be disabled before using this function.

Definition at line 226 of file m480_sys.c.

uint32_t SYS_GetBODStatus ( void   )

Get Brown-out detector output status.

Parameters:
None
Return values:
0System voltage is higher than BODVL setting or BODEN is 0.
1System voltage is lower than BODVL setting.

This function get Brown-out detector output status.

Definition at line 77 of file m480_sys.c.

uint32_t SYS_GetResetSrc ( void   )

Get reset status register value.

Parameters:
None
Returns:
Reset source

This function get the system reset status register value.

Definition at line 88 of file m480_sys.c.

uint32_t SYS_IsRegLocked ( void   )

Check if register is locked nor not.

Parameters:
None
Return values:
0Write-protection function is disabled. 1 Write-protection function is enabled.

This function check register write-protection bit setting.

Definition at line 100 of file m480_sys.c.

__STATIC_INLINE void SYS_LockReg ( void   )

Enable register write-protection function.

Parameters:
None
Returns:
None

This function is used to enable register write-protection function. To lock the protected register to forbid write access.

Definition at line 1488 of file m480_sys.h.

uint32_t SYS_ReadPDID ( void   )

Get product ID.

Parameters:
None
Returns:
Product ID

This function get product ID.

Definition at line 111 of file m480_sys.c.

void SYS_ResetChip ( void   )

Reset chip with chip reset.

Parameters:
None
Returns:
None

This function reset chip with chip reset. The register write-protection function should be disabled before using this function.

Definition at line 123 of file m480_sys.c.

void SYS_ResetCPU ( void   )

Reset chip with CPU reset.

Parameters:
None
Returns:
None

This function reset CPU with CPU reset. The register write-protection function should be disabled before using this function.

Definition at line 135 of file m480_sys.c.

void SYS_ResetModule ( uint32_t  u32ModuleIndex )

Reset selected module.

Parameters:
[in]u32ModuleIndexis module index. Including :

  • PDMA_RST
  • EBI_RST
  • EMAC_RST
  • SDH0_RST
  • CRC_RST
  • HSUSBD_RST
  • CRPT_RST
  • SPIM_RST
  • USBH_RST
  • SDH1_RST
  • GPIO_RST
  • TMR0_RST
  • TMR1_RST
  • TMR2_RST
  • TMR3_RST
  • ACMP01_RST
  • I2C0_RST
  • I2C1_RST
  • I2C2_RST
  • QSPI0_RST
  • SPI0_RST
  • SPI1_RST
  • SPI2_RST
  • UART0_RST
  • UART1_RST
  • UART2_RST
  • UART3_RST
  • UART4_RST
  • UART5_RST
  • CAN0_RST
  • CAN1_RST
  • USBD_RST
  • EADC_RST
  • I2S0_RST
  • SC0_RST
  • SC1_RST
  • SC2_RST
  • SPI3_RST
  • USCI0_RST
  • USCI1_RST
  • DAC_RST
  • EPWM0_RST
  • EPWM1_RST
  • BPWM0_RST
  • BPWM1_RST
  • QEI0_RST
  • QEI1_RST
  • ECAP0_RST
  • ECAP1_RST
  • OPA_RST
Returns:
None

This function reset selected module.

Definition at line 196 of file m480_sys.c.

void SYS_SetPowerLevel ( uint32_t  u32PowerLevel )

Set Power Level.

Parameters:
[in]u32PowerLevelis power level setting. Including :

  • SYS_PLCTL_PLSEL_PL0
  • SYS_PLCTL_PLSEL_PL1
Returns:
None

This function select power level. The register write-protection function should be disabled before using this function.

Definition at line 257 of file m480_sys.c.

__STATIC_INLINE void SYS_UnlockReg ( void   )

Disable register write-protection function.

Parameters:
None
Returns:
None

This function disable register write-protection function. To unlock the protected register to allow write access.

Definition at line 1472 of file m480_sys.h.

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