Updated Mikroe STM32F4 configuration from Ken Pettit

2013-10-27 08:06:39 -06:00 · 2013-10-27 08:06:39 -06:00 · 376652f293
commit 376652f293
parent 5fe465749f
7 changed files with 239 additions and 66 deletions
--- a/2
+++ b/2
@ -5892,4 +5892,6 @@
 	  from Ken Pettit (2013-10-27).
 	* drivers/audio/ and include/nuttx/audio/vs1053.h:  Updated
 	  VS1053 driver from ken Pettit (2013-10-27).
+	* configs/mikroe-stm32f4/: Updated configuration for the
+	  Mikrow STM32F4 board from Ken Pettit (2013-10-27).

--- a/configs/mikroe-stm32f4/fulldemo/defconfig
+++ b/configs/mikroe-stm32f4/fulldemo/defconfig
@ -16,7 +16,7 @@ CONFIG_HOST_LINUX=y
 #
 # Build Configuration
 #
-CONFIG_APPS_DIR="../apps"
+# CONFIG_APPS_DIR="../apps"
 # CONFIG_BUILD_2PASS is not set

 #
@ -39,7 +39,8 @@ CONFIG_RAW_BINARY=y
 # Debug Options
 #
 # CONFIG_DEBUG is not set
-CONFIG_DEBUG_SYMBOLS=y
+CONFIG_ARCH_HAVE_STACKCHECK=y
+# CONFIG_DEBUG_SYMBOLS is not set

 #
 # System Type
@ -73,15 +74,24 @@ CONFIG_ARCH="arm"
 # CONFIG_ARCH_CHIP_LPC31XX is not set
 # CONFIG_ARCH_CHIP_LPC43XX is not set
 # CONFIG_ARCH_CHIP_NUC1XX is not set
-# CONFIG_ARCH_CHIP_SAM3U is not set
+# CONFIG_ARCH_CHIP_SAMA5 is not set
+# CONFIG_ARCH_CHIP_SAM34 is not set
 CONFIG_ARCH_CHIP_STM32=y
 # CONFIG_ARCH_CHIP_STR71X is not set
+# CONFIG_ARCH_ARM7TDMI is not set
+# CONFIG_ARCH_ARM926EJS is not set
+# CONFIG_ARCH_ARM920T is not set
+# CONFIG_ARCH_CORTEXM0 is not set
+# CONFIG_ARCH_CORTEXM3 is not set
 CONFIG_ARCH_CORTEXM4=y
+# CONFIG_ARCH_CORTEXA5 is not set
+# CONFIG_ARCH_CORTEXA8 is not set
 CONFIG_ARCH_FAMILY="armv7-m"
 CONFIG_ARCH_CHIP="stm32"
 # CONFIG_ARMV7M_USEBASEPRI is not set
 CONFIG_ARCH_HAVE_CMNVECTOR=y
 # CONFIG_ARMV7M_CMNVECTOR is not set
+CONFIG_ARCH_HAVE_FPU=y
 # CONFIG_ARCH_FPU is not set
 CONFIG_ARCH_HAVE_MPU=y
 # CONFIG_ARMV7M_MPU is not set
@ -98,6 +108,24 @@ CONFIG_ARMV7M_TOOLCHAIN_GNU_EABIL=y
 #
 # STM32 Configuration Options
 #
+# CONFIG_ARCH_CHIP_STM32L151C6 is not set
+# CONFIG_ARCH_CHIP_STM32L151C8 is not set
+# CONFIG_ARCH_CHIP_STM32L151CB is not set
+# CONFIG_ARCH_CHIP_STM32L151R6 is not set
+# CONFIG_ARCH_CHIP_STM32L151R8 is not set
+# CONFIG_ARCH_CHIP_STM32L151RB is not set
+# CONFIG_ARCH_CHIP_STM32L151V6 is not set
+# CONFIG_ARCH_CHIP_STM32L151V8 is not set
+# CONFIG_ARCH_CHIP_STM32L151VB is not set
+# CONFIG_ARCH_CHIP_STM32L152C6 is not set
+# CONFIG_ARCH_CHIP_STM32L152C8 is not set
+# CONFIG_ARCH_CHIP_STM32L152CB is not set
+# CONFIG_ARCH_CHIP_STM32L152R6 is not set
+# CONFIG_ARCH_CHIP_STM32L152R8 is not set
+# CONFIG_ARCH_CHIP_STM32L152RB is not set
+# CONFIG_ARCH_CHIP_STM32L152V6 is not set
+# CONFIG_ARCH_CHIP_STM32L152V8 is not set
+# CONFIG_ARCH_CHIP_STM32L152VB is not set
 # CONFIG_ARCH_CHIP_STM32F100C8 is not set
 # CONFIG_ARCH_CHIP_STM32F100CB is not set
 # CONFIG_ARCH_CHIP_STM32F100R8 is not set
@ -110,6 +138,15 @@ CONFIG_ARMV7M_TOOLCHAIN_GNU_EABIL=y
 # CONFIG_ARCH_CHIP_STM32F100VC is not set
 # CONFIG_ARCH_CHIP_STM32F100VD is not set
 # CONFIG_ARCH_CHIP_STM32F100VE is not set
+# CONFIG_ARCH_CHIP_STM32F103C4 is not set
+# CONFIG_ARCH_CHIP_STM32F103C8 is not set
+# CONFIG_ARCH_CHIP_STM32F103T8 is not set
+# CONFIG_ARCH_CHIP_STM32F103TB is not set
+# CONFIG_ARCH_CHIP_STM32F103CB is not set
+# CONFIG_ARCH_CHIP_STM32F103R8 is not set
+# CONFIG_ARCH_CHIP_STM32F103RB is not set
+# CONFIG_ARCH_CHIP_STM32F103V8 is not set
+# CONFIG_ARCH_CHIP_STM32F103VB is not set
 # CONFIG_ARCH_CHIP_STM32F103RET6 is not set
 # CONFIG_ARCH_CHIP_STM32F103VCT6 is not set
 # CONFIG_ARCH_CHIP_STM32F103VET6 is not set
@ -141,6 +178,17 @@ CONFIG_ARCH_CHIP_STM32F407VG=y
 # CONFIG_ARCH_CHIP_STM32F427V is not set
 # CONFIG_ARCH_CHIP_STM32F427Z is not set
 # CONFIG_ARCH_CHIP_STM32F427I is not set
+# CONFIG_STM32_STM32L15XX is not set
+# CONFIG_STM32_ENERGYLITE is not set
+# CONFIG_STM32_STM32F10XX is not set
+# CONFIG_STM32_VALUELINE is not set
+# CONFIG_STM32_CONNECTIVITYLINE is not set
+# CONFIG_STM32_PERFORMANCELINE is not set
+# CONFIG_STM32_HIGHDENSITY is not set
+# CONFIG_STM32_MEDIUMDENSITY is not set
+# CONFIG_STM32_LOWDENSITY is not set
+# CONFIG_STM32_STM32F20XX is not set
+# CONFIG_STM32_STM32F30XX is not set
 CONFIG_STM32_STM32F40XX=y
 # CONFIG_STM32_DFU is not set

@ -156,7 +204,7 @@ CONFIG_STM32_ADC2=y
 # CONFIG_STM32_CCMDATARAM is not set
 # CONFIG_STM32_CRC is not set
 # CONFIG_STM32_CRYP is not set
-# CONFIG_STM32_DMA1 is not set
+CONFIG_STM32_DMA1=y
 # CONFIG_STM32_DMA2 is not set
 # CONFIG_STM32_DAC1 is not set
 # CONFIG_STM32_DAC2 is not set
@ -167,7 +215,6 @@ CONFIG_STM32_ADC2=y
 # CONFIG_STM32_I2C1 is not set
 # CONFIG_STM32_I2C2 is not set
 # CONFIG_STM32_I2C3 is not set
-# CONFIG_STM32_IWDG is not set
 CONFIG_STM32_OTGFS=y
 # CONFIG_STM32_OTGHS is not set
 CONFIG_STM32_PWR=y
@ -197,6 +244,7 @@ CONFIG_STM32_USART2=y
 # CONFIG_STM32_UART4 is not set
 # CONFIG_STM32_UART5 is not set
 # CONFIG_STM32_USART6 is not set
+# CONFIG_STM32_IWDG is not set
 # CONFIG_STM32_WWDG is not set
 CONFIG_STM32_ADC=y
 CONFIG_STM32_SPI=y
@ -213,6 +261,7 @@ CONFIG_STM32_DISABLE_IDLE_SLEEP_DURING_DEBUG=y
 # CONFIG_STM32_FORCEPOWER is not set
 CONFIG_ARCH_BOARD_STM32_CUSTOM_CLOCKCONFIG=y
 # CONFIG_STM32_CCMEXCLUDE is not set
+CONFIG_STM32_DMACAPABLE=y
 # CONFIG_STM32_TIM1_PWM is not set
 # CONFIG_STM32_TIM1_ADC is not set
 CONFIG_STM32_USART=y
@ -221,13 +270,15 @@ CONFIG_STM32_USART=y
 # U[S]ART Configuration
 #
 # CONFIG_USART2_RS485 is not set
+# CONFIG_USART2_RXDMA is not set
+# CONFIG_SERIAL_DISABLE_REORDERING is not set
 # CONFIG_STM32_USART_SINGLEWIRE is not set

 #
 # SPI Configuration
 #
 # CONFIG_STM32_SPI_INTERRUPTS is not set
-# CONFIG_STM32_SPI_DMA is not set
+CONFIG_STM32_SPI_DMA=y

 #
 # USB Host Configuration
@ -237,16 +288,12 @@ CONFIG_STM32_USART=y
 # USB Device Configuration
 #

-#
-# External Memory Configuration
-#
-
 #
 # Architecture Options
 #
 # CONFIG_ARCH_NOINTC is not set
 # CONFIG_ARCH_VECNOTIRQ is not set
-# CONFIG_ARCH_DMA is not set
+CONFIG_ARCH_DMA=y
 CONFIG_ARCH_IRQPRIO=y
 # CONFIG_CUSTOM_STACK is not set
 # CONFIG_ADDRENV is not set
@ -262,8 +309,6 @@ CONFIG_ARCH_HAVE_RAMVECTORS=y
 #
 CONFIG_BOARD_LOOPSPERMSEC=16717
 # CONFIG_ARCH_CALIBRATION is not set
-CONFIG_RAM_START=0x20000000
-CONFIG_RAM_SIZE=114688
 CONFIG_ARCH_HAVE_INTERRUPTSTACK=y
 CONFIG_ARCH_INTERRUPTSTACK=0

@ -276,6 +321,12 @@ CONFIG_BOOT_RUNFROMFLASH=y
 # CONFIG_BOOT_RUNFROMSDRAM is not set
 # CONFIG_BOOT_COPYTORAM is not set

+#
+# Boot Memory Configuration
+#
+CONFIG_RAM_START=0x20000000
+CONFIG_RAM_SIZE=114688
+
 #
 # Board Selection
 #
@ -324,7 +375,7 @@ CONFIG_SCHED_WAITPID=y
 # CONFIG_SCHED_ATEXIT is not set
 CONFIG_SCHED_ONEXIT=y
 CONFIG_SCHED_ONEXIT_MAX=4
-CONFIG_USER_ENTRYPOINT="nxwm_main"
+CONFIG_USER_ENTRYPOINT="nsh_main"
 CONFIG_DISABLE_OS_API=y
 # CONFIG_DISABLE_CLOCK is not set
 # CONFIG_DISABLE_POSIX_TIMERS is not set
@ -383,24 +434,38 @@ CONFIG_SPI=y
 # CONFIG_SPI_OWNBUS is not set
 CONFIG_SPI_EXCHANGE=y
 # CONFIG_SPI_CMDDATA is not set
+# CONFIG_SPI_BITBANG is not set
 CONFIG_RTC=y
 CONFIG_RTC_DATETIME=y
 CONFIG_RTC_ALARM=y
 # CONFIG_WATCHDOG is not set
 # CONFIG_ANALOG is not set
+CONFIG_AUDIO_DEVICES=y
+CONFIG_VS1053=y
+CONFIG_VS1053_DEVICE_COUNT=1
 # CONFIG_BCH is not set
 CONFIG_INPUT=y
 # CONFIG_INPUT_TSC2007 is not set
 # CONFIG_INPUT_ADS7843E is not set
 # CONFIG_INPUT_STMPE811 is not set
 CONFIG_LCD=y
+
+#
+# Common LCD Settings
+#
 # CONFIG_LCD_NOGETRUN is not set
 CONFIG_LCD_MAXCONTRAST=63
 CONFIG_LCD_MAXPOWER=1
+
+#
+# Graphic LCD Devices
+#
 # CONFIG_LCD_P14201 is not set
 # CONFIG_LCD_NOKIA6100 is not set
 CONFIG_LCD_MIO283QT2=y
 # CONFIG_LCD_UG9664HSWAG01 is not set
+# CONFIG_LCD_UG2864HSWEG01 is not set
+# CONFIG_LCD_UG2832HSWEG04 is not set
 # CONFIG_LCD_ST7567 is not set
 # CONFIG_LCD_UG2864AMBAG01 is not set
 # CONFIG_LCD_SSD1289 is not set
@ -408,6 +473,11 @@ CONFIG_LCD_LANDSCAPE=y
 # CONFIG_LCD_PORTRAIT is not set
 # CONFIG_LCD_RPORTRAIT is not set
 # CONFIG_LCD_RLANDSCAPE is not set
+
+#
+# Alphanumeric/Segment LCD Devices
+#
+# CONFIG_LCD_LCD1602 is not set
 CONFIG_MMCSD=y
 CONFIG_MMCSD_NSLOTS=1
 # CONFIG_MMCSD_READONLY is not set
@ -415,8 +485,9 @@ CONFIG_MMCSD_NSLOTS=1
 CONFIG_MMCSD_MMCSUPPORT=y
 CONFIG_MMCSD_HAVECARDDETECT=y
 CONFIG_MMCSD_SPI=y
-CONFIG_MMCSD_SPICLOCK=20000000
-# CONFIG_MMCSD_SDIO is not set
+CONFIG_MMCSD_SPICLOCK=30000000
+CONFIG_MMCSD_SPIMODE=0
+# CONFIG_ARCH_HAVE_SDIO is not set
 CONFIG_MTD=y

 #
@ -434,6 +505,7 @@ CONFIG_RAMMTD_ERASESIZE=4096
 CONFIG_RAMMTD_ERASESTATE=0xff
 # CONFIG_RAMMTD_FLASHSIM is not set
 # CONFIG_MTD_AT24XX is not set
+# CONFIG_MTD_AT25 is not set
 # CONFIG_MTD_AT45DB is not set
 CONFIG_MTD_M25P=y
 CONFIG_M25P_SPIMODE=0
@ -455,6 +527,11 @@ CONFIG_SERIAL=y
 CONFIG_SERIAL_REMOVABLE=y
 # CONFIG_16550_UART is not set
 CONFIG_ARCH_HAVE_USART2=y
+
+#
+# USART Configuration
+#
+CONFIG_USART2_ISUART=y
 CONFIG_MCU_SERIAL=y
 CONFIG_STANDARD_SERIAL=y
 # CONFIG_USART2_SERIAL_CONSOLE is not set
@ -469,6 +546,10 @@ CONFIG_USART2_BAUD=115200
 CONFIG_USART2_BITS=8
 CONFIG_USART2_PARITY=0
 CONFIG_USART2_2STOP=0
+# CONFIG_USART2_IFLOWCONTROL is not set
+# CONFIG_USART2_OFLOWCONTROL is not set
+# CONFIG_SERIAL_IFLOWCONTROL is not set
+# CONFIG_SERIAL_OFLOWCONTROL is not set
 CONFIG_USBDEV=y

 #
@ -501,6 +582,7 @@ CONFIG_CDCACM_EPBULKIN_FSSIZE=64
 CONFIG_CDCACM_EPBULKIN_HSSIZE=512
 CONFIG_CDCACM_NWRREQS=4
 CONFIG_CDCACM_NRDREQS=4
+CONFIG_CDCACM_BULKIN_REQLEN=96
 CONFIG_CDCACM_RXBUFSIZE=256
 CONFIG_CDCACM_TXBUFSIZE=256
 CONFIG_CDCACM_VENDORID=0x0525
@ -545,7 +627,7 @@ CONFIG_FS_SMARTFS=y
 CONFIG_SMARTFS_ERASEDSTATE=0xff
 CONFIG_SMARTFS_MAXNAMLEN=16
 # CONFIG_SMARTFS_MULTI_ROOT_DIRS is not set
-# CONFIG_FS_BINFS is not set
+CONFIG_FS_BINFS=y

 #
 # System Logging
@ -648,6 +730,37 @@ CONFIG_NX_MXCLIENTMSGS=16
 CONFIG_MM_REGIONS=2
 # CONFIG_GRAN is not set

+#
+# Audio Support
+#
+CONFIG_AUDIO=y
+# CONFIG_AUDIO_MULTI_SESSION is not set
+# CONFIG_AUDIO_LARGE_BUFFERS is not set
+CONFIG_AUDIO_NUM_BUFFERS=2
+CONFIG_AUDIO_BUFFER_NUMBYTES=8192
+# CONFIG_AUDIO_DRIVER_SPECIFIC_BUFFERS is not set
+
+#
+# Supported Audio Formats
+#
+# CONFIG_AUDIO_FORMAT_AC3 is not set
+# CONFIG_AUDIO_FORMAT_DTS is not set
+CONFIG_AUDIO_FORMAT_PCM=y
+CONFIG_AUDIO_FORMAT_MP3=y
+CONFIG_AUDIO_FORMAT_MIDI=y
+# CONFIG_AUDIO_FORMAT_WMA is not set
+# CONFIG_AUDIO_FORMAT_OGG_VORBIS is not set
+
+#
+# Exclude Specific Audio Features
+#
+# CONFIG_AUDIO_EXCLUDE_VOLUME is not set
+# CONFIG_AUDIO_EXCLUDE_BALANCE is not set
+# CONFIG_AUDIO_EXCLUDE_TONE is not set
+# CONFIG_AUDIO_EXCLUDE_PAUSE_RESUME is not set
+# CONFIG_AUDIO_EXCLUDE_STOP is not set
+# CONFIG_AUDIO_CUSTOM_DEV_PATH is not set
+
 #
 # Binary Formats
 #
@ -699,6 +812,7 @@ CONFIG_SCHED_WORKPERIOD=20000
 CONFIG_SCHED_WORKSTACKSIZE=2048
 # CONFIG_SCHED_LPWORK is not set
 # CONFIG_LIB_KBDCODEC is not set
+# CONFIG_LIB_SLCDCODEC is not set

 #
 # Basic CXX Support
@ -727,8 +841,6 @@ CONFIG_BUILTIN_PROXY_STACKSIZE=1024
 #
 # CONFIG_EXAMPLES_BUTTONS is not set
 # CONFIG_EXAMPLES_CAN is not set
-# CONFIG_SYSTEM_CDCACM is not set
-# CONFIG_SYSTEM_COMPOSITE is not set
 # CONFIG_EXAMPLES_CXXTEST is not set
 # CONFIG_EXAMPLES_DHCPD is not set
 # CONFIG_EXAMPLES_ELF is not set
@ -745,6 +857,7 @@ CONFIG_BUILTIN_PROXY_STACKSIZE=1024
 # CONFIG_EXAMPLES_MODBUS is not set
 # CONFIG_EXAMPLES_MOUNT is not set
 # CONFIG_EXAMPLES_MTDPART is not set
+# CONFIG_EXAMPLES_NRF24L01TERM is not set
 CONFIG_EXAMPLES_NSH=y
 CONFIG_EXAMPLES_NSH_CXXINITIALIZE=y
 # CONFIG_EXAMPLES_NULL is not set
@ -769,7 +882,7 @@ CONFIG_EXAMPLES_NX_NOTIFYSIGNO=4
 # CONFIG_EXAMPLES_NXFFS is not set
 # CONFIG_EXAMPLES_NXFLAT is not set
 # CONFIG_EXAMPLES_NXHELLO is not set
-CONFIG_EXAMPLES_NXIMAGE=y
+# CONFIG_EXAMPLES_NXIMAGE is not set
 # CONFIG_EXAMPLES_NXLINES is not set
 # CONFIG_EXAMPLES_NXTEXT is not set
 # CONFIG_EXAMPLES_OSTEST is not set
@ -781,9 +894,11 @@ CONFIG_EXAMPLES_NXIMAGE=y
 # CONFIG_EXAMPLES_ROMFS is not set
 # CONFIG_EXAMPLES_SENDMAIL is not set
 # CONFIG_EXAMPLES_SERLOOP is not set
+# CONFIG_EXAMPLES_SLCD is not set
 # CONFIG_EXAMPLES_FLASH_TEST is not set
 # CONFIG_EXAMPLES_SMART_TEST is not set
 # CONFIG_EXAMPLES_SMART is not set
+# CONFIG_EXAMPLES_TCPECHO is not set
 # CONFIG_EXAMPLES_TELNETD is not set
 # CONFIG_EXAMPLES_THTTPD is not set
 # CONFIG_EXAMPLES_TIFF is not set
@ -793,7 +908,6 @@ CONFIG_EXAMPLES_TOUCHSCREEN_DEVPATH="/dev/input0"
 # CONFIG_EXAMPLES_UDP is not set
 # CONFIG_EXAMPLES_UIP is not set
 # CONFIG_EXAMPLES_USBSERIAL is not set
-# CONFIG_SYSTEM_USBMSC is not set
 # CONFIG_EXAMPLES_USBTERM is not set
 # CONFIG_EXAMPLES_WATCHDOG is not set

@ -843,10 +957,13 @@ CONFIG_NSH_BUILTIN_APPS=y
 #
 # Disable Individual commands
 #
+# CONFIG_NSH_DISABLE_ADDROUTE is not set
 # CONFIG_NSH_DISABLE_CAT is not set
 # CONFIG_NSH_DISABLE_CD is not set
 # CONFIG_NSH_DISABLE_CP is not set
+# CONFIG_NSH_DISABLE_CMP is not set
 # CONFIG_NSH_DISABLE_DD is not set
+# CONFIG_NSH_DISABLE_DELROUTE is not set
 # CONFIG_NSH_DISABLE_ECHO is not set
 # CONFIG_NSH_DISABLE_EXEC is not set
 # CONFIG_NSH_DISABLE_EXIT is not set
@ -891,6 +1008,7 @@ CONFIG_NSH_CODECS_BUFSIZE=128
 CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_STRERROR=y
 CONFIG_NSH_LINELEN=64
+CONFIG_NSH_MAXARGUMENTS=6
 CONFIG_NSH_NESTDEPTH=3
 # CONFIG_NSH_DISABLESCRIPT is not set
 # CONFIG_NSH_DISABLEBG is not set
@ -1060,6 +1178,15 @@ CONFIG_NXWM_MEDIAPLAYER=y
 # System NSH Add-Ons
 #

+#
+# USB CDC/ACM Device Commands
+#
+# CONFIG_SYSTEM_CDCACM is not set
+
+#
+# USB Composite Device Commands
+#
+
 #
 # Custom Free Memory Command
 #
@ -1079,6 +1206,26 @@ CONFIG_NXWM_MEDIAPLAYER=y
 #
 CONFIG_SYSTEM_FLASH_ERASEALL=y

+#
+# NxPlayer media player library / command Line
+#
+CONFIG_SYSTEM_NXPLAYER=y
+CONFIG_NXPLAYER_COMMAND_LINE=y
+CONFIG_NXPLAYER_INCLUDE_HELP=y
+CONFIG_NXPLAYER_INCLUDE_DEVICE_SEARCH=y
+# CONFIG_NXPLAYER_INCLUDE_PREFERRED_DEVICE is not set
+CONFIG_NXPLAYER_FMT_FROM_EXT=y
+# CONFIG_NXPLAYER_FMT_FROM_HEADER is not set
+CONFIG_NXPLAYER_INCLUDE_MEDIADIR=y
+CONFIG_NXPLAYER_DEFAULT_MEDIADIR="/usr/share/sounds"
+# CONFIG_NXPLAYER_RECURSIVE_MEDIA_SEARCH is not set
+CONFIG_NXPLAYER_INCLUDE_SYSTEM_RESET=y
+
+#
+# RAM test
+#
+# CONFIG_SYSTEM_RAMTEST is not set
+
 #
 # readline()
 #
@ -1108,3 +1255,16 @@ CONFIG_SYSTEM_SYSINFO=y
 #
 # USB Monitor
 #
+
+#
+# Stack Monitor
+#
+
+#
+# USB Mass Storage Device Commands
+#
+
+#
+# Zmodem Commands
+#
+# CONFIG_SYSTEM_ZMODEM is not set
--- a/configs/mikroe-stm32f4/include/board.h
+++ b/configs/mikroe-stm32f4/include/board.h
@ -234,10 +234,14 @@
 #define GPIO_SPI2_MISO GPIO_SPI3_MISO_2
 #define GPIO_SPI2_MOSI GPIO_SPI3_MOSI_2
 #define GPIO_SPI2_SCK  GPIO_SPI3_SCK_2
+#define DMACHAN_SPI2_RX DMAMAP_SPI2_RX
+#define DMACHAN_SPI2_TX DMAMAP_SPI2_TX

 #define GPIO_SPI3_MISO GPIO_SPI3_MISO_2
 #define GPIO_SPI3_MOSI GPIO_SPI3_MOSI_2
 #define GPIO_SPI3_SCK  GPIO_SPI3_SCK_2
+#define DMACHAN_SPI3_RX DMAMAP_SPI3_RX_2
+#define DMACHAN_SPI3_TX DMAMAP_SPI3_TX_2

 /* Timer Inputs/Outputs (see the README.txt file for options) */

--- a/configs/mikroe-stm32f4/src/mikroe-stm32f4-internal.h
+++ b/configs/mikroe-stm32f4/src/mikroe-stm32f4-internal.h
@ -189,6 +189,7 @@
 #define GPIO_VS1053_RST (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
                         GPIO_OUTPUT_SET|GPIO_PORTC|GPIO_PIN7)
 #define GPIO_VS1053_DREQ (GPIO_INPUT|GPIO_SPEED_50MHz|GPIO_PORTC|GPIO_PIN6)
+#define GPIO_VS1053_DREQ_IRQ  STM32_IRQ_EXTI95

 /****************************************************************************************************
 * Public Types
--- a/configs/mikroe-stm32f4/src/up_boot.c
+++ b/configs/mikroe-stm32f4/src/up_boot.c
@ -71,6 +71,12 @@

 void stm32_boardinitialize(void)
 {
+  /* First reset the VS1053 since it tends to produce noise out of power on reset */
+
+#ifdef CONFIG_VS1053
+  (void)stm32_configgpio(GPIO_VS1053_RST);
+#endif
+
  /* Configure GPIOs for controlling the LCD */

 #ifdef CONFIG_LCD_MIO283QT2
--- a/configs/mikroe-stm32f4/src/up_spi.c
+++ b/configs/mikroe-stm32f4/src/up_spi.c
@ -104,25 +104,20 @@ void weak_function stm32_spiinitialize(void)

 #ifdef CONFIG_MTD_M25P
  (void)stm32_configgpio(GPIO_CS_FLASH);    /* FLASH chip select */
-  stm32_gpiowrite(GPIO_CS_FLASH, 1);        /* Ensure the CS is inactive */
 #endif

 #if defined(CONFIG_MMCSD)
  (void)stm32_configgpio(GPIO_CS_MMCSD);    /* MMC/SD chip select */
  (void)stm32_configgpio(GPIO_SD_CD);       /* MMC/SD card detect */
-  stm32_gpiowrite(GPIO_CS_MMCSD, 1);        /* Ensure the CS is inactive */
 #endif

-#ifdef CONFIG_AUDIO_MP3_CODEC
+#ifdef CONFIG_VS1053
  (void)stm32_configgpio(GPIO_CS_MP3_DATA); /* MP3 codec chip select for DATA */
  (void)stm32_configgpio(GPIO_CS_MP3_CMD);  /* MP3 codec chip select for CMD */
-  stm32_gpiowrite(GPIO_CS_MP3_DATA, 1);     /* Ensure the CS is inactive */
-  stm32_gpiowrite(GPIO_CS_MP3_CMD, 1);      /* Ensure the CS is inactive */
 #endif

  /* Configure the EXP I/O cs for SPI3 */
  (void)stm32_configgpio(GPIO_CS_EXP_SPI3); /* Expander chip select */
-  stm32_gpiowrite(GPIO_CS_EXP_SPI3, 1);     /* Ensure the CS is inactive */

 #endif
 }
@ -155,12 +150,17 @@ void weak_function stm32_spiinitialize(void)
 #ifdef CONFIG_STM32_SPI3
 void stm32_spi3select(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool selected)
 {
-  spidbg("devid: %d CS: %s\n", (int)devid, selected ? "assert" : "de-assert");

-#if defined(CONFIG_MTD_M25P)
-  if (devid == SPIDEV_FLASH)
+  spivdbg("devid: %d CS: %s\n", (int)devid, selected ? "assert" : "de-assert");
+
+#if defined(CONFIG_VS1053)
+  if (devid == SPIDEV_AUDIO_DATA)
    {
-      stm32_gpiowrite(GPIO_CS_FLASH, !selected);
+      stm32_gpiowrite(GPIO_CS_MP3_DATA, !selected);
+    }
+  else if (devid == SPIDEV_AUDIO_CTRL)
+    {
+      stm32_gpiowrite(GPIO_CS_MP3_CMD, !selected);
    }
  else
 #endif
@ -173,19 +173,14 @@ void stm32_spi3select(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool sele
  else
 #endif

-#if defined(CONFIG_AUDIO_MP3_CODEC)
-  if (devid == SPIDEV_AUDIO_DATA)
+#if defined(CONFIG_MTD_M25P)
+  if (devid == SPIDEV_FLASH)
    {
-      stm32_gpiowrite(GPIO_CS_MP3_DATA, !selected);
-    }
-  else if (devid == SPIDEV_AUDIO_CTRL)
-    {
-      stm32_gpiowrite(GPIO_CS_MP3_CMD, !selected);
+      stm32_gpiowrite(GPIO_CS_FLASH, !selected);
    }
  else
-
 #endif
- 
+
  /* Must be the expansion header device */

  if (devid == SPIDEV_EXPANDER)
@ -285,4 +280,3 @@ int stm32_spi3cmddata(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool cmd)
 #endif /* CONFIG_SPI_CMDDATA */

 #endif /* CONFIG_STM32_SPI1 || CONFIG_STM32_SPI2 */
-
--- a/configs/mikroe-stm32f4/src/up_vs1053.c
+++ b/configs/mikroe-stm32f4/src/up_vs1053.c
@ -88,6 +88,7 @@ static int  up_attach(FAR const struct vs1053_lower_s *lower, xcpt_t handler);
 static void up_enable(FAR const struct vs1053_lower_s *lower);
 static void up_disable(FAR const struct vs1053_lower_s *lower);
 static void up_reset(FAR const struct vs1053_lower_s *lower, bool state);
+static int  up_read_dreq(FAR const struct vs1053_lower_s *lower);

 /****************************************************************************
 * Private Data
@ -97,17 +98,18 @@ static void up_reset(FAR const struct vs1053_lower_s *lower, bool state);
 * following structure provides an MCU-independent mechanixm for controlling
 * the VS1053 GPIO interrupt.
 */
-
 static struct stm32_lower_s g_vs1053lower =
 {
  .lower =
  {
-    .attach  = up_attach,
-    .enable  = up_enable,
-    .disable = up_disable,
-    .reset   = up_reset  
+    .attach     = up_attach,
+    .enable     = up_enable,
+    .disable    = up_disable,
+    .reset      = up_reset,
+    .read_dreq  = up_read_dreq,
+    .irq        = GPIO_VS1053_DREQ_IRQ
  },
-  .handler = NULL,
+  .handler      = NULL,
 };

 /****************************************************************************
@ -122,10 +124,8 @@ static int up_attach(FAR const struct vs1053_lower_s *lower, xcpt_t handler)
 {
  FAR struct stm32_lower_s *priv = (FAR struct stm32_lower_s *)lower;

-  /* Just save the handler for use when the interrupt is enabled */
-
-  priv->handler = handler;
-  return OK;
+  priv->handler = handler;    /* Save the handler for later */
+  return 0;
 }

 static void up_enable(FAR const struct vs1053_lower_s *lower)
@ -133,12 +133,12 @@ static void up_enable(FAR const struct vs1053_lower_s *lower)
  FAR struct stm32_lower_s *priv = (FAR struct stm32_lower_s *)lower;

  DEBUGASSERT(priv->handler);
-  (void)stm32_gpiosetevent(GPIO_VS1053_DREQ, false, true, true, priv->handler);
+  (void)stm32_gpiosetevent(GPIO_VS1053_DREQ, true, false, false, priv->handler);
 }

 static void up_disable(FAR const struct vs1053_lower_s *lower)
 {
-  (void)stm32_gpiosetevent(GPIO_VS1053_DREQ, false, true, true, NULL);
+  (void)stm32_gpiosetevent(GPIO_VS1053_DREQ, false, false, false, NULL);
 }

 static void up_reset(FAR const struct vs1053_lower_s *lower, bool state)
@ -146,6 +146,11 @@ static void up_reset(FAR const struct vs1053_lower_s *lower, bool state)
  stm32_gpiowrite(GPIO_VS1053_RST, state);
 }

+static int up_read_dreq(FAR const struct vs1053_lower_s *lower)
+{
+  return stm32_gpioread(GPIO_VS1053_DREQ);
+}
+
 /****************************************************************************
 * Public Functions
 ****************************************************************************/
@ -157,43 +162,44 @@ static void up_reset(FAR const struct vs1053_lower_s *lower, bool state)
 void up_vs1053initialize(FAR struct spi_dev_s* spi)
 {
  int   ret;
-  int   x;
  char  name[8];
  FAR struct audio_lowerhalf_s *pVs1053;

  /* Assumptions:
   * 1) SPI pins were configured in up_spi.c early in the boot-up phase.
-   * 2) Clocking for the SPI1 peripheral was also provided earlier in boot-up.
+   * 2) Clocking for the SPI3 peripheral was also provided earlier in boot-up.
   */

-  /* Take VS1053 out of reset (active low)*/
+  /* NOTE:  The RST line should be asserted early in the boot process
+   *        during the boardinitialize function because the VS1053
+   *        generates a low frequency humming noise from power-on reset
+   *        until the RST line is asserted.
+   */

-  (void)stm32_configgpio(GPIO_VS1053_RST); 
-  (void)stm32_configgpio(GPIO_VS1053_DREQ); 
+  //(void)stm32_configgpio(GPIO_VS1053_RST);

-  stm32_gpiowrite(GPIO_VS1053_RST, 0);
-  for (x = 0; x < 10000; x++);
-  stm32_gpiowrite(GPIO_VS1053_RST, 1);
+  /* Initialize the VS1053 DREQ GPIO line */
+
+  (void)stm32_configgpio(GPIO_VS1053_DREQ);

  /* Bind the SPI port to the VS1053 driver */

  pVs1053 = vs1053_initialize(spi, &g_vs1053lower.lower, VS1053_DEVNO);
-  if (ret < 0)
+  if (pVs1053 == NULL)
    {
-      audlldbg("Failed to bind SPI port %d VS1053 device: %d\n",
-             VS1053_DEVNO, ret);
+      audlldbg("Failed to bind SPI port %d VS1053 device\n", VS1053_DEVNO);
      return;
    }

  /* Now register the audio device */

-  sprintf(name, "mp3%d", VS1053_DEVNO);
+  sprintf(name, "vs1053d%d", VS1053_DEVNO);
  ret = audio_register(name, pVs1053);
  if (ret < 0)
    {
      auddbg("up_vs1053initialize: Failed to register VS1053 Audio device\n");
    }
-  
+
  audllvdbg("Bound SPI port to VS1053 device %s\n", name);
 }