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STM32WB: FLASH compilation issue with baremetal #13633

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Merged
merged 1 commit into from
Sep 23, 2020
Merged

STM32WB: FLASH compilation issue with baremetal #13633

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6 changes: 6 additions & 0 deletions targets/TARGET_STM/TARGET_STM32WB/flash_api.c
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,9 @@
/* Family specific include for WB with HW semaphores */
#include "hw.h"
#include "hw_conf.h"
#if MBED_CONF_BLE_PRESENT
#include "shci.h"
#endif

/* Used in HCIDriver.cpp/stm32wb_start_ble() */
int BLE_inited = 0;
Expand Down Expand Up @@ -90,6 +92,7 @@ int32_t flash_erase_sector(flash_t *obj, uint32_t address)
return -1;
}

#if MBED_CONF_BLE_PRESENT
if (BLE_inited) {
/*
* Notify the CPU2 that some flash erase activity may be executed
Expand All @@ -99,6 +102,7 @@ int32_t flash_erase_sector(flash_t *obj, uint32_t address)
*/
SHCI_C2_FLASH_EraseActivity(ERASE_ACTIVITY_ON);
}
#endif

do {
/* PESD bit mechanism used by M0+ to protect its timing */
Expand Down Expand Up @@ -137,13 +141,15 @@ int32_t flash_erase_sector(flash_t *obj, uint32_t address)

while (__HAL_FLASH_GET_FLAG(FLASH_FLAG_CFGBSY));

#if MBED_CONF_BLE_PRESENT
if (BLE_inited) {
/**
* Notify the CPU2 there will be no request anymore to erase the flash
* On reception of this command, the CPU2 disables the BLE timing protection versus flash erase processing
*/
SHCI_C2_FLASH_EraseActivity(ERASE_ACTIVITY_OFF);
}
#endif

/* Lock the Flash to disable the flash control register access (recommended
to protect the FLASH memory against possible unwanted operation) */
Expand Down