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Code Issues Releases Activity

Flash: Because on CC/CC3D the flash is initialized before FreeRTOS is started

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we cannot use the transaction lock or the delay while saving.
This commit is contained in:
James Cotton 2012-01-26 11:50:05 -06:00
parent 4fc907ad0d
commit 80705cdba1
2 changed files with 21 additions and 7 deletions
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26
flight/PiOS/Common/pios_flash_jedec.c
View File

@ -61,7 +61,9 @@ struct jedec_flash_dev {
uint32_t device_type;
uint32_t capacity;
const struct pios_flash_jedec_cfg * cfg;
#if defined(FLASH_FREERTOS)
xSemaphoreHandle transaction_lock;
#endif
enum pios_jedec_dev_magic magic;
};
@ -89,7 +91,9 @@ static struct jedec_flash_dev * PIOS_Flash_Jedec_alloc(void)
jedec_dev->claimed = false;
jedec_dev->magic = PIOS_JEDEC_DEV_MAGIC;
#if defined(FLASH_FREERTOS)
jedec_dev->transaction_lock = xSemaphoreCreateMutex();
#endif
return(jedec_dev);
}
@ -192,12 +196,13 @@ int32_t PIOS_Flash_Jedec_Init(uint32_t spi_id, uint32_t slave_num, const struct
*/
int32_t PIOS_Flash_Jedec_StartTransaction()
{
#if defined(FLASH_FREERTOS)
if(PIOS_Flash_Jedec_Validate(flash_dev) != 0)
return -1;
if(xSemaphoreTake(flash_dev->transaction_lock, portMAX_DELAY) != pdTRUE)
return -1;
#endif
return 0;
}
@ -207,12 +212,13 @@ int32_t PIOS_Flash_Jedec_StartTransaction()
*/
int32_t PIOS_Flash_Jedec_EndTransaction()
{
#if defined(FLASH_FREERTOS)
if(PIOS_Flash_Jedec_Validate(flash_dev) != 0)
return -1;
if(xSemaphoreGive(flash_dev->transaction_lock) != pdTRUE)
return -1;
#endif
return 0;
}
@ -288,8 +294,11 @@ int32_t PIOS_Flash_Jedec_EraseSector(uint32_t addr)
PIOS_Flash_Jedec_ReleaseBus();
// Keep polling when bus is busy too
while(PIOS_Flash_Jedec_Busy() != 0)
while(PIOS_Flash_Jedec_Busy() != 0) {
#if defined(FLASH_FREERTOS)
vTaskDelay(1);
#endif
}
return 0;
}
@ -320,8 +329,11 @@ int32_t PIOS_Flash_Jedec_EraseChip()
PIOS_Flash_Jedec_ReleaseBus();
// Keep polling when bus is busy too
while(PIOS_Flash_Jedec_Busy() != 0)
while(PIOS_Flash_Jedec_Busy() != 0) {
#if defined(FLASH_FREERTOS)
vTaskDelay(1);
#endif
}
return 0;
}
@ -374,9 +386,11 @@ int32_t PIOS_Flash_Jedec_WriteData(uint32_t addr, uint8_t * data, uint16_t len)
PIOS_Flash_Jedec_ReleaseBus();
// Keep polling when bus is busy too
while(PIOS_Flash_Jedec_Busy() != 0)
while(PIOS_Flash_Jedec_Busy() != 0) {
#if defined(FLASH_FREERTOS)
vTaskDelay(1);
#endif
}
return 0;
}

2
flight/Revolution/System/inc/pios_config.h
View File

@ -64,7 +64,7 @@
#define PIOS_INCLUDE_MS5611
//#define PIOS_INCLUDE_HCSR04
#define PIOS_FLASH_ON_ACCEL /* true for second revo */
#define FLASH_FREERTOS
/* Com systems to include */
#define PIOS_INCLUDE_COM
#define PIOS_INCLUDE_COM_TELEM