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Implemented support for the Unique STM32 CPU serial number in the firmwareIAP object.

This commit is contained in:
elafargue 2011-04-19 00:31:20 +02:00
parent f0bfffda09
commit 45e92d654e
2 changed files with 21 additions and 0 deletions

View File

@ -56,6 +56,9 @@ const uint32_t iap_time_2_high_end = 5000;
const uint32_t iap_time_3_low_end = 500;
const uint32_t iap_time_3_high_end = 5000;
// Local macro for reading internal flash memory
#define MEM8(addr) (*((volatile uint8_t *)(addr)))
// Private types
// Private variables
@ -71,6 +74,8 @@ static uint32_t iap_calc_crc(void);
static void read_description(uint8_t *);
static void read_cpuserial(uint8_t *);
FirmwareIAPObjData data;
static uint32_t get_time(void);
@ -98,6 +103,7 @@ int32_t FirmwareIAPInitialize()
{
data.BoardType= BOARD_TYPE;
read_description(data.Description);
read_cpuserial(data.CPUSerial);
data.BoardRevision= BOARD_REVISION;
data.ArmReset=0;
data.crc = 0;
@ -133,6 +139,7 @@ static void FirmwareIAPCallback(UAVObjEvent* ev)
if((data.BoardType==BOARD_TYPE)&&(data.crc != iap_calc_crc()))
{
read_description(data.Description);
read_cpuserial(data.CPUSerial);
data.BoardRevision=BOARD_REVISION;
data.crc = iap_calc_crc();
FirmwareIAPObjSet( &data );
@ -248,6 +255,19 @@ static void read_description(uint8_t * array)
}
}
/**
* Read the CPU Serial number.
* @param array has to be 12 bytes long.
*/
static void read_cpuserial(uint8_t * array)
{
uint8_t x = 0;
for (uint8_t i = 0; i < 12; i++) {
array[x] = MEM8(0x1ffff7e8 + i);
++x;
}
}
/**
* Executed by event dispatcher callback to reset INS before resetting OP
*/

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@ -3,6 +3,7 @@
<description>Firmware IAP</description>
<field name="Command" units="" type="uint16" elements="1"/>
<field name="Description" units="" type="uint8" elements="100"/>
<field name="CPUSerial" units="" type="uint8" elements="12" />
<field name="BoardRevision" units="" type="uint16" elements="1"/>
<field name="BoardType" units="" type="uint8" elements="1"/>
<field name="ArmReset" units="" type="uint8" elements="1"/>