diff options
Diffstat (limited to 'os/hal/ports/TIVA/LLD/pal_lld.h')
| -rw-r--r-- | os/hal/ports/TIVA/LLD/pal_lld.h | 492 |
1 files changed, 394 insertions, 98 deletions
diff --git a/os/hal/ports/TIVA/LLD/pal_lld.h b/os/hal/ports/TIVA/LLD/pal_lld.h index a87e5fd..116c659 100644 --- a/os/hal/ports/TIVA/LLD/pal_lld.h +++ b/os/hal/ports/TIVA/LLD/pal_lld.h @@ -28,14 +28,400 @@ #if HAL_USE_PAL || defined(__DOXYGEN__) /*===========================================================================*/ -/* Unsupported modes and specific modes */ +/* Driver constants. */ /*===========================================================================*/ +#undef PAL_MODE_RESET +#undef PAL_MODE_UNCONNECTED +#undef PAL_MODE_INPUT +#undef PAL_MODE_INPUT_PULLUP +#undef PAL_MODE_INPUT_PULLDOWN +#undef PAL_MODE_INPUT_ANALOG +#undef PAL_MODE_OUTPUT_PUSHPULL +#undef PAL_MODE_OUTPUT_OPENDRAIN + +/** + * @name TIVA-specific I/O mode flags + * @{ + */ +#define PAL_TIVA_DIR_MASK (1 << 0) +#define PAL_TIVA_DIR_INPUT (0 << 0) +#define PAL_TIVA_DIR_OUTPUT (1 << 0) + +#define PAL_TIVA_AFSEL_MASK (1 << 1) +#define PAL_TIVA_AFSEL_GPIO (0 << 1) +#define PAL_TIVA_AFSEL_ALTERNATE (1 << 1) + +#define PAL_TIVA_DR2R_MASK (1 << 2) +#define PAL_TIVA_DR2R_DISABLE (0 << 2) +#define PAL_TIVA_DR2R_ENABLE (1 << 2) + +#define PAL_TIVA_DR4R_MASK (1 << 3) +#define PAL_TIVA_DR4R_DISABLE (0 << 3) +#define PAL_TIVA_DR4R_ENABLE (1 << 3) + +#define PAL_TIVA_DR8R_MASK (1 << 4) +#define PAL_TIVA_DR8R_DISABLE (0 << 4) +#define PAL_TIVA_DR8R_ENABLE (1 << 4) + +#define PAL_TIVA_ODR_MASK (1 << 5) +#define PAL_TIVA_ODR_PUSHPULL (0 << 5) +#define PAL_TIVA_ODR_OPENDRAIN (1 << 5) + +#define PAL_TIVA_PUR_MASK (1 << 6) +#define PAL_TIVA_PUR_DISABLE (0 << 6) +#define PAL_TIVA_PUR_ENABLE (1 << 6) + +#define PAL_TIVA_PDR_MASK (1 << 7) +#define PAL_TIVA_PDR_DISABLE (0 << 7) +#define PAL_TIVA_PDR_ENABLE (1 << 7) + +#define PAL_TIVA_SLR_MASK (1 << 8) +#define PAL_TIVA_SLR_DISABLE (0 << 8) +#define PAL_TIVA_SLR_ENABLE (1 << 8) + +#define PAL_TIVA_DEN_MASK (1 << 9) +#define PAL_TIVA_DEN_DISABLE (0 << 9) +#define PAL_TIVA_DEN_ENABLE (1 << 9) + +#define PAL_TIVA_AMSEL_MASK (1 << 10) +#define PAL_TIVA_AMSEL_DISABLE (0 << 10) +#define PAL_TIVA_AMSEL_ENABLE (1 << 10) + +#define PAL_TIVA_PCTL_MASK (7 << 11) +#define PAL_TIVA_PCTL(n) ((n) << 11) + +/** + * @brief Alternate function. + * + * @param[in] n alternate function selector + */ +#define PAL_MODE_ALTERNATE(n) (PAL_TIVA_AFSEL_ALTERNATE | \ + PAL_TIVA_PCTL(n)) +/** + * @} + */ + +/** + * @name Standard I/O mode flags + * @{ + */ +/** + * @brief This mode is implemented as input. + */ +#define PAL_MODE_RESET PAL_MODE_INPUT + +/** + * @brief This mode is implemented as input with pull-up. + */ +#define PAL_MODE_UNCONNECTED PAL_MODE_INPUT_PULLUP + +/** + * @brief Regular input high-Z pad. + */ +#define PAL_MODE_INPUT (PAL_TIVA_DEN_ENABLE | \ + PAL_TIVA_DIR_INPUT) + +/** + * @brief Input pad with weak pull up resistor. + */ +#define PAL_MODE_INPUT_PULLUP (PAL_TIVA_DIR_INPUT | \ + PAL_TIVA_PUR_ENABLE | \ + PAL_TIVA_DEN_ENABLE) + +/** + * @brief Input pad with weak pull down resistor. + */ +#define PAL_MODE_INPUT_PULLDOWN (PAL_TIVA_DIR_INPUT | \ + PAL_TIVA_PDR_ENABLE | \ + PAL_TIVA_DEN_ENABLE) + +/** + * @brief Analog input mode. + */ +#define PAL_MODE_INPUT_ANALOG (PAL_TIVA_DEN_DISABLE | \ + PAL_TIVA_AMSEL_ENABLE) + +/** + * @brief Push-pull output pad. + */ +#define PAL_MODE_OUTPUT_PUSHPULL (PAL_TIVA_DIR_OUTPUT | \ + PAL_TIVA_DR2R_ENABLE | \ + PAL_TIVA_ODR_PUSHPULL | \ + PAL_TIVA_DEN_ENABLE) + +/** + * @brief Open-drain output pad. + */ +#define PAL_MODE_OUTPUT_OPENDRAIN (PAL_TIVA_DIR_OUTPUT | \ + PAL_TIVA_DR2R_ENABLE | \ + PAL_TIVA_ODR_OPENDRAIN | \ + PAL_TIVA_DEN_ENABLE) +/** + * @} + */ + +/** @brief GPIOA port identifier.*/ +#define IOPORT1 GPIOA + +/** @brief GPIOB port identifier.*/ +#define IOPORT2 GPIOB + +/** @brief GPIOC port identifier.*/ +#define IOPORT3 GPIOC + +/** @brief GPIOD port identifier.*/ +#define IOPORT4 GPIOD + +/** @brief GPIOE port identifier.*/ +#define IOPORT5 GPIOE + +/** @brief GPIOF port identifier.*/ +#define IOPORT6 GPIOF + +#if TIVA_HAS_GPIOG || defined(__DOXYGEN__) +/** @brief Port G setup data.*/ +#define IOPORT7 GPIOG +#endif /* TIVA_HAS_GPIOG.*/ + +#if TIVA_HAS_GPIOH || defined(__DOXYGEN__) +/** @brief Port H setup data.*/ +#define IOPORT8 GPIOH +#endif /* TIVA_HAS_GPIOH.*/ + +#if TIVA_HAS_GPIOJ || defined(__DOXYGEN__) +/** @brief Port J setup data.*/ +#define IOPORT9 GPIOJ +#endif /* TIVA_HAS_GPIOJ.*/ + +#if TIVA_HAS_GPIOK || defined(__DOXYGEN__) +/** @brief Port K setup data.*/ +#define IOPORT10 GPIOK +#endif /* TIVA_HAS_GPIOK.*/ + +#if TIVA_HAS_GPIOL || defined(__DOXYGEN__) +/** @brief Port L setup data.*/ +#define IOPORT11 GPIOL +#endif /* TIVA_HAS_GPIOL.*/ + +#if TIVA_HAS_GPIOM || defined(__DOXYGEN__) +/** @brief Port M setup data.*/ +#define IOPORT12 GPIOM +#endif /* TIVA_HAS_GPIOM.*/ + +#if TIVA_HAS_GPION || defined(__DOXYGEN__) +/** @brief Port N setup data.*/ +#define IOPORT13 GPION +#endif /* TIVA_HAS_GPION.*/ + +#if TIVA_HAS_GPIOP || defined(__DOXYGEN__) +/** @brief Port P setup data.*/ +#define IOPORT14 GPIOP +#endif /* TIVA_HAS_GPIOP.*/ + +#if TIVA_HAS_GPIOQ || defined(__DOXYGEN__) +/** @brief Port Q setup data.*/ +#define IOPORT15 GPIOQ +#endif /* TIVA_HAS_GPIOQ.*/ + +#if TIVA_HAS_GPIOR || defined(__DOXYGEN__) +/** @brief Port R setup data.*/ +#define IOPORT16 GPIOR +#endif /* TIVA_HAS_GPIOR.*/ + +#if TIVA_HAS_GPIOS || defined(__DOXYGEN__) +/** @brief Port S setup data.*/ +#define IOPORT17 GPIOS +#endif /* TIVA_HAS_GPIOS.*/ + +#if TIVA_HAS_GPIOT || defined(__DOXYGEN__) +/** @brief Port T setup data.*/ +#define IOPORT18 GPIOT +#endif /* TIVA_HAS_GPIOT.*/ + +/** + * @brief Width, in bits, of an I/O port. + */ +#define PAL_IOPORTS_WIDTH 8 + +/** + * @brief Whole port mask. + * @brief This macro specifies all the valid bits into a port. + */ +#define PAL_WHOLE_PORT ((ioportmask_t)0xFF) + /*===========================================================================*/ -/* I/O Ports Types and constants. */ +/* Driver pre-compile time settings. */ /*===========================================================================*/ -/** +#if defined(TM4C123x) + +/** + * @brief GPIOA AHB enable switch. + * @details When set to @p TRUE the AHB bus is used to access GPIOA. When set + * to @p FALSE the APB bus is used to access GPIOA. + * @note The default is TRUE. + */ +#if !defined(TIVA_GPIO_GPIOA_USE_AHB) || defined(__DOXYGEN__) +#define TIVA_GPIO_GPIOA_USE_AHB TRUE +#endif + +/** + * @brief GPIOB AHB enable switch. + * @details When set to @p TRUE the AHB bus is used to access GPIOB. When set + * to @p FALSE the APB bus is used to access GPIOB. + * @note The default is TRUE. + */ +#if !defined(TIVA_GPIO_GPIOB_USE_AHB) || defined(__DOXYGEN__) +#define TIVA_GPIO_GPIOB_USE_AHB TRUE +#endif + +/** + * @brief GPIOC AHB enable switch. + * @details When set to @p TRUE the AHB bus is used to access GPIOC. When set + * to @p FALSE the APB bus is used to access GPIOC. + * @note The default is TRUE. + */ +#if !defined(TIVA_GPIO_GPIOC_USE_AHB) || defined(__DOXYGEN__) +#define TIVA_GPIO_GPIOC_USE_AHB TRUE +#endif + +/** + * @brief GPIOD AHB enable switch. + * @details When set to @p TRUE the AHB bus is used to access GPIOD. When set + * to @p FALSE the APB bus is used to access GPIOD. + * @note The default is TRUE. + */ +#if !defined(TIVA_GPIO_GPIOD_USE_AHB) || defined(__DOXYGEN__) +#define TIVA_GPIO_GPIOD_USE_AHB TRUE +#endif + +/** + * @brief GPIOE AHB enable switch. + * @details When set to @p TRUE the AHB bus is used to access GPIOE. When set + * to @p FALSE the APB bus is used to access GPIOE. + * @note The default is TRUE. + */ +#if !defined(TIVA_GPIO_GPIOE_USE_AHB) || defined(__DOXYGEN__) +#define TIVA_GPIO_GPIOE_USE_AHB TRUE +#endif + +/** + * @brief GPIOF AHB enable switch. + * @details When set to @p TRUE the AHB bus is used to access GPIOF. When set + * to @p FALSE the APB bus is used to access GPIOF. + * @note The default is TRUE. + */ +#if !defined(TIVA_GPIO_GPIOF_USE_AHB) || defined(__DOXYGEN__) +#define TIVA_GPIO_GPIOF_USE_AHB TRUE +#endif + +/** + * @brief GPIOG AHB enable switch. + * @details When set to @p TRUE the AHB bus is used to access GPIOG. When set + * to @p FALSE the APB bus is used to access GPIOG. + * @note The default is TRUE. + */ +#if !defined(TIVA_GPIO_GPIOG_USE_AHB) || defined(__DOXYGEN__) +#define TIVA_GPIO_GPIOG_USE_AHB TRUE +#endif + +/** + * @brief GPIOH AHB enable switch. + * @details When set to @p TRUE the AHB bus is used to access GPIOH. When set + * to @p FALSE the APB bus is used to access GPIOH. + * @note The default is TRUE. + */ +#if !defined(TIVA_GPIO_GPIOH_USE_AHB) || defined(__DOXYGEN__) +#define TIVA_GPIO_GPIOH_USE_AHB TRUE +#endif + +/** + * @brief GPIOJ AHB enable switch. + * @details When set to @p TRUE the AHB bus is used to access GPIOJ. When set + * to @p FALSE the APB bus is used to access GPIOJ. + * @note The default is TRUE. + */ +#if !defined(TIVA_GPIO_GPIOJ_USE_AHB) || defined(__DOXYGEN__) +#define TIVA_GPIO_GPIOJ_USE_AHB TRUE +#endif + +#endif + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +#if defined(TM4C123x) + +#if TIVA_GPIO_GPIOA_USE_AHB +#define GPIOA GPIOA_AHB +#else +#define GPIOA GPIOA_APB +#endif + +#if TIVA_GPIO_GPIOB_USE_AHB +#define GPIOB GPIOB_AHB +#else +#define GPIOB GPIOB_APB +#endif + +#if TIVA_GPIO_GPIOC_USE_AHB +#define GPIOC GPIOC_AHB +#else +#define GPIOC GPIOC_APB +#endif + +#if TIVA_GPIO_GPIOD_USE_AHB +#define GPIOD GPIOD_AHB +#else +#define GPIOD GPIOD_APB +#endif + +#if TIVA_GPIO_GPIOE_USE_AHB +#define GPIOE GPIOE_AHB +#else +#define GPIOE GPIOE_APB +#endif + +#if TIVA_GPIO_GPIOF_USE_AHB +#define GPIOF GPIOF_AHB +#else +#define GPIOF GPIOF_APB +#endif + +#if TIVA_GPIO_GPIOG_USE_AHB +#define GPIOG GPIOG_AHB +#else +#define GPIOG GPIOG_APB +#endif + +#if TIVA_GPIO_GPIOH_USE_AHB +#define GPIOH GPIOH_AHB +#else +#define GPIOH GPIOH_APB +#endif + +#if TIVA_GPIO_GPIOJ_USE_AHB +#define GPIOJ GPIOJ_AHB +#else +#define GPIOJ GPIOJ_APB +#endif + +#define GPIOK GPIOK_AHB +#define GPIOL GPIOL_AHB +#define GPIOM GPIOM_AHB +#define GPION GPION_AHB +#define GPIOP GPIOP_AHB +#define GPIOQ GPIOQ_AHB + +#endif + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** * @brief GPIO port setup info. */ typedef struct @@ -152,17 +538,6 @@ typedef struct } PALConfig; /** - * @brief Width, in bits, of an I/O port. - */ -#define PAL_IOPORTS_WIDTH 8 - -/** - * @brief Whole port mask. - * @brief This macro specifies all the valid bits into a port. - */ -#define PAL_WHOLE_PORT ((ioportmask_t)0xFF) - -/** * @brief Digital I/O port sized unsigned type. */ typedef uint32_t ioportmask_t; @@ -178,90 +553,7 @@ typedef uint32_t iomode_t; typedef GPIO_TypeDef *ioportid_t; /*===========================================================================*/ -/* I/O Ports Identifiers. */ -/*===========================================================================*/ - -/** @brief GPIOA port identifier.*/ -#define IOPORT1 GPIOA - -/** @brief GPIOB port identifier.*/ -#define IOPORT2 GPIOB - -/** @brief GPIOC port identifier.*/ -#define IOPORT3 GPIOC - -/** @brief GPIOD port identifier.*/ -#define IOPORT4 GPIOD - -/** @brief GPIOE port identifier.*/ -#define IOPORT5 GPIOE - -/** @brief GPIOF port identifier.*/ -#define IOPORT6 GPIOF - -#if TIVA_HAS_GPIOG || defined(__DOXYGEN__) -/** @brief Port G setup data.*/ -#define IOPORT7 GPIOG -#endif /* TIVA_HAS_GPIOG.*/ - -#if TIVA_HAS_GPIOH || defined(__DOXYGEN__) -/** @brief Port H setup data.*/ -#define IOPORT8 GPIOH -#endif /* TIVA_HAS_GPIOH.*/ - -#if TIVA_HAS_GPIOJ || defined(__DOXYGEN__) -/** @brief Port J setup data.*/ -#define IOPORT9 GPIOJ -#endif /* TIVA_HAS_GPIOJ.*/ - -#if TIVA_HAS_GPIOK || defined(__DOXYGEN__) -/** @brief Port K setup data.*/ -#define IOPORT10 GPIOK -#endif /* TIVA_HAS_GPIOK.*/ - -#if TIVA_HAS_GPIOL || defined(__DOXYGEN__) -/** @brief Port L setup data.*/ -#define IOPORT11 GPIOL -#endif /* TIVA_HAS_GPIOL.*/ - -#if TIVA_HAS_GPIOM || defined(__DOXYGEN__) -/** @brief Port M setup data.*/ -#define IOPORT12 GPIOM -#endif /* TIVA_HAS_GPIOM.*/ - -#if TIVA_HAS_GPION || defined(__DOXYGEN__) -/** @brief Port N setup data.*/ -#define IOPORT13 GPION -#endif /* TIVA_HAS_GPION.*/ - -#if TIVA_HAS_GPIOP || defined(__DOXYGEN__) -/** @brief Port P setup data.*/ -#define IOPORT14 GPIOP -#endif /* TIVA_HAS_GPIOP.*/ - -#if TIVA_HAS_GPIOQ || defined(__DOXYGEN__) -/** @brief Port Q setup data.*/ -#define IOPORT15 GPIOQ -#endif /* TIVA_HAS_GPIOQ.*/ - -#if TIVA_HAS_GPIOR || defined(__DOXYGEN__) -/** @brief Port R setup data.*/ -#define IOPORT16 GPIOR -#endif /* TIVA_HAS_GPIOR.*/ - -#if TIVA_HAS_GPIOS || defined(__DOXYGEN__) -/** @brief Port S setup data.*/ -#define IOPORT17 GPIOS -#endif /* TIVA_HAS_GPIOS.*/ - -#if TIVA_HAS_GPIOT || defined(__DOXYGEN__) -/** @brief Port T setup data.*/ -#define IOPORT18 GPIOT -#endif /* TIVA_HAS_GPIOT.*/ - -/*===========================================================================*/ -/* Implementation, some of the following macros could be implemented as */ -/* functions, if so please put them in pal_lld.c. */ +/* Driver macros. */ /*===========================================================================*/ /** @@ -442,6 +734,10 @@ typedef GPIO_TypeDef *ioportid_t; #define pal_lld_clearpad(port, pad) \ ((port)->MASKED_ACCESS[1 << (pad)] = 0) +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + #if !defined(__DOXYGEN__) extern const PALConfig pal_default_config; #endif |