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detect if SD is actually present on the flash using SD magic

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even with SOFTDEVICE_PRESENT defined, SD may not be present on actual
flash.
This commit is contained in:
hathach
2020-05-05 23:07:56 +07:00
parent 101f234a16
commit 58b99e59d4
1 changed files with 19 additions and 9 deletions
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28
src/portable/nordic/nrf5x/dcd_nrf5x.c
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@@ -32,13 +32,6 @@
#include "nrf_clock.h"
#include "nrf_power.h"
#include "nrfx_usbd_errata.h"
#ifdef SOFTDEVICE_PRESENT
// For enable/disable hfclk with SoftDevice
#include "nrf_sdm.h"
#include "nrf_soc.h"
#endif
#include "device/dcd.h"
// TODO remove later
@@ -564,9 +557,26 @@ void dcd_int_handler(uint8_t rhport)
// HFCLK helper
//--------------------------------------------------------------------+
#ifdef SOFTDEVICE_PRESENT
// check if SD is present and enabled
static bool is_sd_enabled(void)
// For enable/disable hfclk with SoftDevice
#include "nrf_mbr.h"
#include "nrf_sdm.h"
#include "nrf_soc.h"
#ifndef SD_MAGIC_NUMBER
#define SD_MAGIC_NUMBER 0x51B1E5DB
#endif
static inline bool is_sd_existed(void)
{
return *((uint32_t*)(SOFTDEVICE_INFO_STRUCT_ADDRESS+4)) == SD_MAGIC_NUMBER;
}
// check if SD is existed and enabled
static inline bool is_sd_enabled(void)
{
if ( !is_sd_existed() ) return false;
uint8_t sd_en = false;
(void) sd_softdevice_is_enabled(&sd_en);
return sd_en;