Prep for 6.21 release

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@5052 7fd9a85b-ad96-42d3-883c-3090e2eb8679

2 files changed, 58 insertions, 1 deletions

diff --git a/nuttx/arch/arm/src/stm32/Kconfig b/nuttx/arch/arm/src/stm32/Kconfig
index 5d0d48f880..bf7c59c11a 100644
--- a/nuttx/arch/arm/src/stm32/Kconfig
+++ b/nuttx/arch/arm/src/stm32/Kconfig
@@ -1910,3 +1910,56 @@ config STM32_MII_MCO1
 	bool
 	default y if !STM32_MII_MCO2
 	depends on STM32_MII
+
+menu "USB Host Configuration"
+
+config STM32_OTGFS_RXFIFO_SIZE
+	int "Rx Packet Size"
+	default 128
+	depends on USBHOST && STM32_OTGFS
+	---help---
+		Size of the RX FIFO in 32-bit words. Default 128 (512 bytes)
+
+config STM32_OTGFS_NPTXFIFO_SIZE
+	int "Non-periodic Tx FIFO Size"
+	default 96
+	depends on USBHOST && STM32_OTGFS
+	---help---
+		Size of the non-periodic Tx FIFO in 32-bit words.  Default 96 (384 bytes)
+ 
+config STM32_OTGFS_PTXFIFO_SIZE
+	int "Periodic Tx FIFO size"
+	default 128
+	depends on USBHOST && STM32_OTGFS
+	---help---
+		Size of the periodic Tx FIFO in 32-bit words.  Default 96 (384 bytes)
+ 
+config STM32_OTGFS_DESCSIZE
+	int "Descriptor Size"
+	default 128
+	depends on USBHOST && STM32_OTGFS
+	---help---
+		Maximum size to allocate for descriptor memory descriptor.  Default: 128
+
+config STM32_OTGFS_SOFINTR
+	bool "Enable SOF interrupts"
+	default n
+	depends on USBHOST && STM32_OTGFS
+	---help---
+		Enable SOF interrupts.  Why would you ever want to do that?
+ 
+config STM32_USBHOST_REGDEBUG
+	bool "Register-Level Debug"
+	default n
+	depends on USBHOST && STM32_OTGFS
+	---help---
+		Enable very low-level register access debug.  Depends on CONFIG_DEBUG.
+ 
+config STM32_USBHOST_PKTDUMP
+	bool "Packet Dump Debug"
+	default n
+	depends on USBHOST && STM32_OTGFS
+	---help---
+		Dump all incoming and outgoing USB packets. Depends on CONFIG_DEBUG.
+
+endmenu
diff --git a/nuttx/arch/arm/src/stm32/stm32_otgfshost.c b/nuttx/arch/arm/src/stm32/stm32_otgfshost.c
index d84ba68842..0b09070dc6 100644
--- a/nuttx/arch/arm/src/stm32/stm32_otgfshost.c
+++ b/nuttx/arch/arm/src/stm32/stm32_otgfshost.c
@@ -191,7 +191,11 @@ enum stm32_chreason_e
   CHREASON_FRMOR         /* Frame overrun */
 };
 
-/* This structure retains the state of one host channel */
+/* This structure retains the state of one host channel.  NOTE: Since there
+ * is only one channel operation active at a time, some of the fields in
+ * in the structure could be moved in struct stm32_ubhost_s to achieve
+ * some memory savings.
+ */
 
 struct stm32_chan_s
 {