asad patel / stm-spirit1-rf-driver

Prototype RF driver for STM Sub-1 GHz RF expansion board based on the SPSGRF-868 module for STM32 Nucleo.

Dependents:   DISCO_IOT-wifi_client

Fork of stm-spirit1-rf-driver by ST

Files at this revision

API Documentation at this revision

Revision 18:d6f789f6f4c9, committed 2016-11-07

Comitter:
Wolfgang Betz
Date:
Mon Nov 07 10:01:36 2016 +0100
Parent:
17:5dd7fd4342e8
Child:
19:42df12d5f750
Commit message:
Add 'RX_FIFO_THR_WA' RX FIFO threshold trigger workaround (for K64F boards)

Changed in this revision

SimpleSpirit1.cpp Show annotated file Show diff for this revision Revisions of this file
libs/Contiki_STM32_Library/spirit1-config.h Show annotated file Show diff for this revision Revisions of this file 
--- a/SimpleSpirit1.cpp	Mon Nov 07 08:52:02 2016 +0100
+++ b/SimpleSpirit1.cpp	Mon Nov 07 10:01:36 2016 +0100
@@ -156,6 +156,10 @@
 			SPIRIT_GPIO_DIG_OUT_IRQ
 	};
 	spirit_gpio_init(&x_gpio_init);
+
+#ifdef RX_FIFO_THR_WA
+	linear_fifo_set_almost_full_thr_rx(SPIRIT_MAX_FIFO_LEN-(MAX_PACKET_LEN+1));
+#endif
 }
 
 #ifdef CONTIKI // betzw - TODO

--- a/libs/Contiki_STM32_Library/spirit1-config.h	Mon Nov 07 08:52:02 2016 +0100
+++ b/libs/Contiki_STM32_Library/spirit1-config.h	Mon Nov 07 10:01:36 2016 +0100
@@ -42,13 +42,26 @@
 #define SPIRIT_MAX_FIFO_LEN         (96) // betzw - WAS: 600
 /*---------------------------------------------------------------------------*/
 
+/* Define beyond macro when your network includes a platform - like the K64F from
+ * Freescale - which suffers from a not yet analyzed (HW) bug in delivering/receiving
+ * further interrupts by/from Spirit after having reached the RX FIFO threshold and
+ * elaborated the corresponding 'IRQ_RX_FIFO_ALMOST_FULL' interrupt.
+ * NOTE: this enables just a workaround!!!
+ */
+#define RX_FIFO_THR_WA
+
 /**    
  * The MAX_PACKET_LEN is an arbitrary value used to define the two array
  * spirit_txbuf and spirit_rxbuf.
  * The SPIRIT1 supports with its packet handler a length of 65,535 bytes,
  * and in direct mode (without packet handler) there is no limit of data.
- */  
+ */
+#ifdef RX_FIFO_THR_WA
+#define MAX_PACKET_LEN              (SPIRIT_MAX_FIFO_LEN-1)
+#else
 #define MAX_PACKET_LEN              (255) // betzw - WAS: SPIRIT_MAX_FIFO_LEN, but LEN_WIDTH is set to 7 so the variable payload length is from 0 to 255 bytes
+#endif
+
 /*---------------------------------------------------------------------------*/
 /**    
  * Spirit1 IC version