[GitHub] rymanluk closed pull request #180: nimble/nrf52_phy: Fix for incorrectly matching access address

[GitBox <gi...@apache.org>]

rymanluk closed pull request #180: nimble/nrf52_phy: Fix for incorrectly matching access address
URL: https://github.com/apache/mynewt-nimble/pull/180
 
 
   

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diff --git a/nimble/drivers/nrf52/src/ble_phy.c b/nimble/drivers/nrf52/src/ble_phy.c
index 35758bb5..aaeca9b9 100644
--- a/nimble/drivers/nrf52/src/ble_phy.c
+++ b/nimble/drivers/nrf52/src/ble_phy.c
@@ -312,6 +312,19 @@ ble_phy_apply_nrf52840_errata(uint8_t new_phy_mode)
 }
 #endif
 
+#ifdef NRF52
+static void
+ble_phy_apply_errata_102_106_107(void)
+{
+    /* [102] RADIO: PAYLOAD/END events delayed or not triggered after ADDRESS
+     * [106] RADIO: Higher CRC error rates for some access addresses
+     * [107] RADIO: Immediate address match for access addresses containing MSBs 0x00
+     */
+    *(volatile uint32_t *)0x40001774 = ((*(volatile uint32_t *)0x40001774) &
+                         0xfffffffe) | 0x01000000;
+}
+#endif
+
 void
 ble_phy_mode_set(uint8_t new_phy_mode, uint8_t txtorx_phy_mode)
 {
@@ -1814,6 +1827,10 @@ ble_phy_set_access_addr(uint32_t access_addr)
 
     g_ble_phy_data.phy_access_address = access_addr;
 
+#ifdef NRF52
+    ble_phy_apply_errata_102_106_107();
+#endif
+
     return 0;
 }
 


 

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