CAN request order priority

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4292 7fd9a85b-ad96-42d3-883c-3090e2eb8679

nuttx/arch/arm/src/stm32/stm32_can.c

@@ -1225,9 +1225,13 @@ static int can_cellinit(struct stm32_can_s *priv)
   regval &= ~CAN_MCR_SLEEP;
   can_putreg(priv, STM32_CAN_MCR_OFFSET, regval);
 
+  /* Configure CAN behavior.  Priority driven request order, not message ID. */
+
+  regval |= CAN_MCR_TXFP;
+  can_putreg(priv, STM32_CAN_MCR_OFFSET, regval);
+
   /* Enter initialization mode */
 
-  regval  = can_getreg(priv, STM32_CAN_MCR_OFFSET);
   regval |= CAN_MCR_INRQ;
   can_putreg(priv, STM32_CAN_MCR_OFFSET, regval);
 

nuttx/configs/stm3240g-eval/include/board.h

@@ -350,8 +350,8 @@
  *   TIM8_CH3OUT: PC8 MicroSDCard_D0 & MC
  *   Daughterboard Extension Connector, CN3, pin 18
  *
- *   TIM8_CH4OUT: PC9 MicroSDCard_D1 & I2S_CKIN (JP16)
- *   Daughterboard Extension Connector, CN3, pin 15
+ *   TIM8_CH4OUT: PC9 MicroSDCard_D1 & I2S_CKIN (Need JP16 open)
+ *   Daughterboard Extension Connector, CN3, pin 17
  *
  * Others
  *
@@ -377,10 +377,13 @@
 #  define GPIO_TIM8_CH1OUT GPIO_TIM8_CH1OUT_1
 #  if !defined(CONFIG_STM32_SDIO)
 #  define GPIO_TIM8_CH3OUT GPIO_TIM8_CH3OUT_1
-#  define GPIO_TIM8_CH4OUT GPIO_TIM8_CH4OUT_1
 #  endif
 #endif
 
+#if !defined(CONFIG_STM32_SDIO)
+#  define GPIO_TIM8_CH4OUT GPIO_TIM8_CH4OUT_1
+#endif
+
 /* CAN
  *
  * Connector 10 (CN10) is DB-9 male connector that can be used with CAN1 or CAN2.