Adds support for TM4C123G timers; integrates with the TM4C123G Launchpad. From Calvin Maguranis
This commit is contained in:
Gregory Nutt
parent
357ee0a3f0
commit
31d4ab1902
@ -42,8 +42,9 @@ CONFIG_RAW_BINARY=y
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# Debug Options
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#
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# CONFIG_DEBUG is not set
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CONFIG_ARCH_HAVE_STACKCHECK=y
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# CONFIG_ARCH_HAVE_HEAPCHECK is not set
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CONFIG_ARCH_HAVE_STACKCHECK=y
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# CONFIG_STACK_COLORATION is not set
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# CONFIG_DEBUG_SYMBOLS is not set
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CONFIG_ARCH_HAVE_CUSTOMOPT=y
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# CONFIG_DEBUG_NOOPT is not set
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@ -121,21 +122,51 @@ CONFIG_ARMV7M_OABI_TOOLCHAIN=y
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#
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# CONFIG_ARCH_CHIP_TM4C123GH6ZRB is not set
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CONFIG_ARCH_CHIP_TM4C123GH6PMI=y
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# CONFIG_ARCH_CHIP_TM4C1294NC is not set
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# CONFIG_ARCH_CHIP_TM4C129XNC is not set
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# CONFIG_ARCH_CHIP_CC3200 is not set
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CONFIG_ARCH_CHIP_TM4C=y
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CONFIG_ARCH_CHIP_TM4C123=y
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CONFIG_ARCH_CHIP_TM4C=y
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# CONFIG_TIVA_BOARD_EARLYINIT is not set
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#
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# Tiva/Stellaris Peripheral Support
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#
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# CONFIG_TIVA_ADC is not set
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CONFIG_TIVA_HAVE_ADC0=y
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CONFIG_TIVA_HAVE_ADC1=y
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# CONFIG_TIVA_I2C is not set
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CONFIG_TIVA_HAVE_I2C1=y
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CONFIG_TIVA_HAVE_I2C2=y
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CONFIG_TIVA_HAVE_I2C3=y
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# CONFIG_TIVA_HAVE_I2C4 is not set
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# CONFIG_TIVA_HAVE_I2C5 is not set
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# CONFIG_TIVA_HAVE_I2C6 is not set
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# CONFIG_TIVA_HAVE_I2C7 is not set
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# CONFIG_TIVA_HAVE_I2C8 is not set
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# CONFIG_TIVA_HAVE_I2C9 is not set
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CONFIG_TIVA_HAVE_UART3=y
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CONFIG_TIVA_HAVE_UART4=y
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CONFIG_TIVA_HAVE_UART5=y
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CONFIG_TIVA_HAVE_UART6=y
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CONFIG_TIVA_HAVE_UART7=y
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CONFIG_TIVA_HAVE_SSI0=y
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CONFIG_TIVA_HAVE_SSI1=y
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CONFIG_TIVA_HAVE_SSI2=y
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CONFIG_TIVA_HAVE_SSI3=y
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# CONFIG_TIVA_HAVE_ETHERNET is not set
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CONFIG_TIVA_SSI=y
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# CONFIG_TIVA_TIMER is not set
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CONFIG_TIVA_HAVE_TIMER0=y
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CONFIG_TIVA_HAVE_TIMER1=y
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CONFIG_TIVA_HAVE_TIMER2=y
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CONFIG_TIVA_HAVE_TIMER3=y
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CONFIG_TIVA_HAVE_TIMER4=y
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CONFIG_TIVA_HAVE_TIMER5=y
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# CONFIG_TIVA_HAVE_TIMER6 is not set
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# CONFIG_TIVA_HAVE_TIMER7 is not set
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# CONFIG_TIVA_ADC0 is not set
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# CONFIG_TIVA_ADC1 is not set
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# CONFIG_TIVA_I2C0 is not set
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# CONFIG_TIVA_I2C1 is not set
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# CONFIG_TIVA_I2C2 is not set
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@ -150,27 +181,46 @@ CONFIG_TIVA_UART0=y
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# CONFIG_TIVA_UART7 is not set
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CONFIG_TIVA_SSI0=y
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# CONFIG_TIVA_SSI1 is not set
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# CONFIG_TIVA_SSI2 is not set
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# CONFIG_TIVA_SSI3 is not set
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# CONFIG_TIVA_TIMER0 is not set
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# CONFIG_TIVA_TIMER1 is not set
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# CONFIG_TIVA_TIMER2 is not set
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# CONFIG_TIVA_TIMER3 is not set
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# CONFIG_TIVA_TIMER4 is not set
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# CONFIG_TIVA_TIMER5 is not set
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# CONFIG_TIVA_ETHERNET is not set
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# CONFIG_TIVA_FLASH is not set
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#
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# Disable GPIO Interrupts
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# Enable GPIO Interrupts
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#
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CONFIG_TIVA_GPIO_IRQS=y
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CONFIG_TIVA_HAVE_GPIOA_IRQS=y
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CONFIG_TIVA_HAVE_GPIOB_IRQS=y
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CONFIG_TIVA_HAVE_GPIOC_IRQS=y
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CONFIG_TIVA_HAVE_GPIOD_IRQS=y
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CONFIG_TIVA_HAVE_GPIOE_IRQS=y
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CONFIG_TIVA_HAVE_GPIOF_IRQS=y
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# CONFIG_TIVA_HAVE_GPIOG_IRQS is not set
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# CONFIG_TIVA_HAVE_GPIOH_IRQS is not set
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# CONFIG_TIVA_HAVE_GPIOJ_IRQS is not set
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# CONFIG_TIVA_HAVE_GPIOK_IRQS is not set
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# CONFIG_TIVA_HAVE_GPIOL_IRQS is not set
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# CONFIG_TIVA_HAVE_GPIOM_IRQS is not set
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# CONFIG_TIVA_HAVE_GPION_IRQS is not set
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CONFIG_TIVA_HAVE_GPIOP_IRQS=y
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# CONFIG_TIVA_HAVE_GPIOQ_IRQS is not set
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# CONFIG_TIVA_HAVE_GPIOR_IRQS is not set
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# CONFIG_TIVA_HAVE_GPIOS_IRQS is not set
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# CONFIG_TIVA_HAVE_GPIOT_IRQS is not set
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CONFIG_TIVA_GPIOA_IRQS=y
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CONFIG_TIVA_GPIOB_IRQS=y
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CONFIG_TIVA_GPIOC_IRQS=y
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CONFIG_TIVA_GPIOD_IRQS=y
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CONFIG_TIVA_GPIOE_IRQS=y
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CONFIG_TIVA_GPIOF_IRQS=y
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CONFIG_TIVA_GPIOG_IRQS=y
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# CONFIG_TIVA_GPIOH_IRQS is not set
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# CONFIG_TIVA_GPIOJ_IRQS is not set
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CONFIG_TIVA_GPIOK_IRQS=y
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CONFIG_TIVA_GPIOL_IRQS=y
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CONFIG_TIVA_GPIOM_IRQS=y
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CONFIG_TIVA_GPION_IRQS=y
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CONFIG_TIVA_GPIOP_IRQS=y
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CONFIG_TIVA_GPIOQ_IRQS=y
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#
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# Tiva/Stellaris SSI Configuration
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@ -423,6 +473,8 @@ CONFIG_ARCH_HAVE_UART0=y
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#
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CONFIG_MCU_SERIAL=y
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CONFIG_STANDARD_SERIAL=y
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# CONFIG_SERIAL_IFLOWCONTROL is not set
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# CONFIG_SERIAL_OFLOWCONTROL is not set
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# CONFIG_ARCH_HAVE_SERIAL_TERMIOS is not set
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CONFIG_UART0_SERIAL_CONSOLE=y
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# CONFIG_OTHER_SERIAL_CONSOLE is not set
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@ -439,8 +491,6 @@ CONFIG_UART0_PARITY=0
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CONFIG_UART0_2STOP=0
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# CONFIG_UART0_IFLOWCONTROL is not set
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# CONFIG_UART0_OFLOWCONTROL is not set
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# CONFIG_SERIAL_IFLOWCONTROL is not set
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# CONFIG_SERIAL_OFLOWCONTROL is not set
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# CONFIG_USBDEV is not set
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# CONFIG_USBHOST is not set
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# CONFIG_WIRELESS is not set
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@ -624,7 +674,6 @@ CONFIG_EXAMPLES_NSH=y
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# CONFIG_EXAMPLES_THTTPD is not set
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# CONFIG_EXAMPLES_TIFF is not set
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# CONFIG_EXAMPLES_TOUCHSCREEN is not set
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# CONFIG_EXAMPLES_UDP is not set
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# CONFIG_EXAMPLES_WEBSERVER is not set
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# CONFIG_EXAMPLES_USBSERIAL is not set
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# CONFIG_EXAMPLES_USBTERM is not set
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@ -634,12 +683,14 @@ CONFIG_EXAMPLES_NSH=y
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# Graphics Support
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#
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# CONFIG_TIFF is not set
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# CONFIG_GRAPHICS_TRAVELER is not set
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#
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# Interpreters
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#
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# CONFIG_INTERPRETERS_FICL is not set
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# CONFIG_INTERPRETERS_PCODE is not set
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# CONFIG_INTERPRETERS_MICROPYTHON is not set
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#
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# Network Utilities
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@ -649,7 +700,6 @@ CONFIG_EXAMPLES_NSH=y
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# Networking Utilities
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#
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# CONFIG_NETUTILS_CODECS is not set
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# CONFIG_NETUTILS_DHCPD is not set
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# CONFIG_NETUTILS_FTPC is not set
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# CONFIG_NETUTILS_FTPD is not set
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# CONFIG_NETUTILS_JSON is not set
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@ -747,7 +797,7 @@ CONFIG_NSH_FILEIOSIZE=512
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#
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CONFIG_NSH_CONSOLE=y
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# CONFIG_NSH_ALTCONDEV is not set
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# CONFIG_NSH_ARCHINIT is not set
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CONFIG_NSH_ARCHINIT=y
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#
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# NxWidgets/NxWM
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@ -772,6 +822,11 @@ CONFIG_NSH_CONSOLE=y
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#
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# CONFIG_SYSTEM_CLE is not set
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#
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# CU Minimal Terminal
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#
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# CONFIG_SYSTEM_CUTERM is not set
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#
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# FLASH Program Installation
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#
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@ -843,6 +898,10 @@ CONFIG_READLINE_ECHO=y
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#
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# CONFIG_SYSTEM_SYSINFO is not set
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#
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# Temperature
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#
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#
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# VI Work-Alike Editor
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#
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@ -49,6 +49,10 @@ ifeq ($(CONFIG_NSH_ARCHINIT),y)
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CSRCS += tm4c_nsh.c
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endif
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ifeq ($(CONFIG_TIVA_TIMER),y)
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CSRCS += tm4c_timer.c
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endif
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ifeq ($(CONFIG_MTD_AT24XX),y)
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ifeq ($(CONFIG_TIVA_I2C0),y)
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CSRCS += tm4c_at24.c
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@ -223,6 +223,20 @@ int tm4c_bringup(void);
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#ifdef HAVE_AT24
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int tm4c_at24_automount(int minor);
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#endif
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/****************************************************************************
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* Name: tiva_timer_initialize
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*
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* Description:
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* Configure the timer driver
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*
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****************************************************************************/
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#ifdef CONFIG_TIVA_TIMER
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int tiva_timer_initialize(void);
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __CONFIGS_TM4C123G_LAUNCHPAD_TM4C123G_LAUNCHPAD_H */
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@ -47,7 +47,6 @@
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* Pre-Processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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@ -62,19 +61,31 @@
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int tm4c_bringup(void)
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{
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#ifdef HAVE_AT24
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#if defined (HAVE_AT24) || defined (CONFIG_TIVA_TIMER)
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int ret;
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#endif /* defined (HAVE_AT24) || defined (CONFIG_TIVA_TIMER) */
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#ifdef HAVE_AT24
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/* Initialize the AT24 driver */
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ret = tm4c_at24_automount(AT24_MINOR);
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: tm4c_at24_automount failed: %d\n", ret);
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return ret;
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}
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return ret;
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#else
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return OK;
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#endif /* HAVE_AT24 */
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#ifdef CONFIG_TIVA_TIMER
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/* Initialize the timer driver */
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ret = tiva_timer_initialize();
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: Failed to initialize timer driver: %d\n", ret);
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return ret;
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}
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#endif /* CONFIG_TIVA_TIMER */
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return OK;
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}
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90
configs/tm4c123g-launchpad/src/tm4c_timer.c
Normal file
90
configs/tm4c123g-launchpad/src/tm4c_timer.c
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@ -0,0 +1,90 @@
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/****************************************************************************
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* config/tm4c123g-launchpad/src/tm4c_timer.c
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*
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* Copyright (C) 2015 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* With modifications from Calvin Maguranis
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <debug.h>
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#include "tiva_timer.h"
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#include "tm4c123g-launchpad.h"
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#ifdef CONFIG_TIVA_TIMER
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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#ifndef CONFIG_TIVA_TIMER32_PERIODIC
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# error CONFIG_TIVA_TIMER32_PERIODIC is not defined
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#endif
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#define GPTM 0
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#define CONFIG_TM4C_TIMER_DEVNAME "/dev/timer0"
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#define ALTCLK false
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: tiva_timer_initialize
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*
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* Description:
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* Configure the timer driver
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*
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****************************************************************************/
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int tiva_timer_initialize(void)
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{
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int ret;
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timvdbg("Registering TIMER%d at %s\n", GPTM, CONFIG_TM4C_TIMER_DEVNAME);
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ret = tiva_timer_register(CONFIG_TM4C_TIMER_DEVNAME, GPTM, ALTCLK);
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if (ret < 0)
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{
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timdbg("ERROR: Failed to register timer driver: %d\n", ret);
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}
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return ret;
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}
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#endif /* CONFIG_TIVA_TIMER */
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