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Code Issues Releases Activity

iap: extend API to support read/write of boot counter

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Also clean up unused/obsolete definitions.
This commit is contained in:
Stacey Sheldon 2011-12-30 13:15:39 -05:00
parent 1543a6dbd3
commit b91f40eb94
2 changed files with 13 additions and 23 deletions
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21
flight/PiOS/Common/pios_iap.c
View File

@ -20,17 +20,6 @@
#define IAP_MAGIC_WORD_1 0x1122
#define IAP_MAGIC_WORD_2 0xAA55
#define IAP_REQLOC_1 BKP_DR1
#define IAP_CRCLOC_LOW BKP_DR2
#define IAP_CRCLOC_UPPER BKP_DR3
#define IAP_PORTLOC BKP_DR4
#define IAP_REQLOC_2 BKP_RR5
#define IAP_UPLOAD_REQ_1 0x20AA
#define IAP_UPLOAD_REQ_2 0x2055
#define IAP_DNLOAD_REQ_1 0x30AA
#define IAP_DNLOAD_REQ_2 0x3055
#define UPPERWORD16(lw) (uint16_t)((uint32_t)(lw)>>16)
#define LOWERWORD16(lw) (uint16_t)((uint32_t)(lw)&0x0000ffff)
#define UPPERBYTE(w) (uint8_t)((w)>>8)
@ -121,3 +110,13 @@ void PIOS_IAP_ClearRequest(void)
BKP_WriteBackupRegister( MAGIC_REG_1, 0);
BKP_WriteBackupRegister( MAGIC_REG_2, 0);
}
uint16_t PIOS_IAP_ReadBootCount(void)
{
return BKP_ReadBackupRegister ( IAP_BOOTCOUNT );
}
void PIOS_IAP_WriteBootCount (uint16_t boot_count)
{
BKP_WriteBackupRegister ( IAP_BOOTCOUNT, boot_count );
}

15
flight/PiOS/inc/pios_iap.h
View File

@ -19,27 +19,18 @@
****************************************************************************************/
#define MAGIC_REG_1 BKP_DR1
#define MAGIC_REG_2 BKP_DR2
#define IAP_COMM BKP_DR3
#define IAP_COMM_INVALID 0
#define IAP_COMM_USB 1
#define IAP_COMM_TELEMETRY 2
#define IAP_COMM_SPI_AHRS 3
#define IAP_COMM_I2C 4
// Additional types can be added along with the proper support code.
#define IAP_BOOTCOUNT BKP_DR3
/****************************************************************************************
* Public Functions
****************************************************************************************/
void PIOS_IAP_Init(void);
uint32_t PIOS_IAP_CRCVerify( void );
uint32_t PIOS_IAP_CheckRequest( void );
void PIOS_IAP_SetCommInput( uint16_t comm );
uint16_t PIOS_IAP_GetCommInput( void );
void PIOS_IAP_SetRequest1(void);
void PIOS_IAP_SetRequest2(void);
void PIOS_IAP_ClearRequest(void);
void PIOS_IAP_SetCRC( uint32_t crcval );
uint16_t PIOS_IAP_ReadBootCount(void);
void PIOS_IAP_WriteBootCount(uint16_t);
/****************************************************************************************
* Public Data