[NRF52840]: fix SdBlockDevice capability device by disabling SPI_ASYNC mode.

Author: nvlsianpu

targets/TARGET_NORDIC/TARGET_NRF5_SDK13/TARGET_MCU_NRF52840/sdk/sdk_config.h

@@ -1566,7 +1566,7 @@
 // <e> RTC_ENABLED - nrf_drv_rtc - RTC peripheral driver
 //==========================================================
 #ifndef RTC_ENABLED
-#define RTC_ENABLED 0
+#define RTC_ENABLED 1
 #endif
 #if  RTC_ENABLED
 // <o> RTC_DEFAULT_CONFIG_FREQUENCY - Frequency  <16-32768> 

targets/TARGET_NORDIC/TARGET_NRF5_SDK13/spi_api.c

@@ -144,12 +144,14 @@ static void master_event_handler(uint8_t spi_idx,
     if (p_event->type == NRF_DRV_SPI_EVENT_DONE)
     {
         p_spi_info->flag.busy = false;
+#if DEVICE_SPI_ASYNCH
         if (p_spi_info->handler)
         {
             void (*handler)(void) = (void (*)(void))p_spi_info->handler;
             p_spi_info->handler = 0;
             handler();
         }
+#endif // if DEVICE_SPI_ASYNCH
     }
 }
 #define MASTER_EVENT_HANDLER(idx) \

targets/targets.json

@@ -2696,7 +2696,7 @@
         "supported_form_factors": ["ARDUINO"],
         "inherits": ["MCU_NRF52840"],
         "macros_add": ["BOARD_PCA10056", "CONFIG_GPIO_AS_PINRESET", "SWI_DISABLE0", "NRF52_ERRATA_20"],
-        "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPI_ASYNCH", "SPISLAVE"],
+        "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE"],
         "release_versions": ["2", "5"],
         "device_name": "nRF52840_xxAA"
     },