STM8AF52AATCY

[Bhavan Raibagi]

Posted on May 19, 2017 at 13:21

Dear Sir/Madam,

How to make controller goes into sleep mode. Can you please give me information or send me any source code link. Here, I am making into sleep using halt(); mode with disabling the peripherals but I'm thinking that Is there any other configuration need to do. Kindly, suggest me to solve this issue.

[Bhavan Raibagi]

Posted on May 23, 2017 at 13:35

Dear Sir/Madam,

Now I did controller into halt completely. But when it's in halt mode if any GPIO external interrupt is triggered means it wakes up, but when I will send the CAN Identifier then It's not waking up. As per data sheet in halt mode if CAN_RX interrupt comes it should wake up. So, can you please guide to me what initialization I need configure for CAN before entering into the halt mode. Here I added CAN_Config(); function.

void CAN_Config(void)

{

CAN_InitStatus_TypeDef status = CAN_InitStatus_Failed;

/* Filter Parameters */

CAN_FilterNumber_TypeDef CAN_FilterNumber;

FunctionalState CAN_FilterActivation;

CAN_FilterMode_TypeDef CAN_FilterMode;

CAN_FilterScale_TypeDef CAN_FilterScale;

uint8_t CAN_FilterID1;

uint8_t CAN_FilterID2;

uint8_t CAN_FilterID3;

uint8_t CAN_FilterID4;

uint8_t CAN_FilterIDMask1;

uint8_t CAN_FilterIDMask2;

uint8_t CAN_FilterIDMask3;

uint8_t CAN_FilterIDMask4;

/* Init Parameters*/

CAN_MasterCtrl_TypeDef CAN_MasterCtrl;

CAN_Mode_TypeDef CAN_Mode;

CAN_SynJumpWidth_TypeDef CAN_SynJumpWidth;

CAN_BitSeg1_TypeDef CAN_BitSeg1;

CAN_BitSeg2_TypeDef CAN_BitSeg2;

uint8_t CAN_Prescaler;

/* CAN register init */

CAN_DeInit();

/* CAN init */

CAN_MasterCtrl=CAN_MasterCtrl_AllEnabled;

//CAN Loop Back Mode JNa

//CAN_Mode = CAN_Mode_LoopBack;

CAN_Mode = CAN_Mode_Normal;

/*CAN_SynJumpWidth = CAN_SynJumpWidth_1TimeQuantum;

CAN_BitSeg1 = CAN_BitSeg1_5TimeQuantum;

CAN_BitSeg2 = CAN_BitSeg2_2TimeQuantum;

CAN_Prescaler = 4;*/

CAN_SynJumpWidth = CAN_SynJumpWidth_1TimeQuantum;

CAN_BitSeg1 = CAN_BitSeg1_8TimeQuantum;

CAN_BitSeg2 = CAN_BitSeg2_7TimeQuantum;

CAN_Prescaler = 8; /* 500kbit/s */

status = CAN_Init(CAN_MasterCtrl, CAN_Mode, CAN_SynJumpWidth, CAN_BitSeg1, \

CAN_BitSeg2, CAN_Prescaler);

/* CAN filter init */

CAN_FilterNumber = CAN_FilterNumber_0;

CAN_FilterActivation = ENABLE;

CAN_FilterMode = CAN_FilterMode_IdMask;

CAN_FilterScale = CAN_FilterScale_32Bit;

CAN_FilterID1=0;

CAN_FilterID2=0;

CAN_FilterID3=0;

CAN_FilterID4=0;

CAN_FilterIDMask1=0;

CAN_FilterIDMask2=0;

CAN_FilterIDMask3=0;

CAN_FilterIDMask4=0;

CAN_FilterInit(CAN_FilterNumber, CAN_FilterActivation, CAN_FilterMode,

CAN_FilterScale,CAN_FilterID1, CAN_FilterID2, CAN_FilterID3,

CAN_FilterID4,CAN_FilterIDMask1, CAN_FilterIDMask2,

CAN_FilterIDMask3, CAN_FilterIDMask4);

/* Enable Fifo message pending interrupt*/

/* Message reception is done by CAN_RX ISR*/

CAN_ITConfig(CAN_IT_FMP, ENABLE);

}

Here, I am suspecting about my configuration, what configuration need to be change.