diff options
Diffstat (limited to 'os/hal/ports/TIVA/LLD/GPIO/hal_pal_lld.h')
| -rw-r--r-- | os/hal/ports/TIVA/LLD/GPIO/hal_pal_lld.h | 1141 |
1 files changed, 1141 insertions, 0 deletions
diff --git a/os/hal/ports/TIVA/LLD/GPIO/hal_pal_lld.h b/os/hal/ports/TIVA/LLD/GPIO/hal_pal_lld.h new file mode 100644 index 0000000..e884a92 --- /dev/null +++ b/os/hal/ports/TIVA/LLD/GPIO/hal_pal_lld.h @@ -0,0 +1,1141 @@ +/* + Copyright (C) 2014..2017 Marco Veeneman + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file GPIO/hal_pal_lld.h + * @brief TM4C123x/TM4C129x PAL subsystem low level driver header. + * + * @addtogroup PAL + * @{ + */ + +#ifndef HAL_PAL_LLD_H +#define HAL_PAL_LLD_H + +#if HAL_USE_PAL || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Unsupported modes and specific modes */ +/*===========================================================================*/ + +#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) +/** @} */ + +/*===========================================================================*/ +/* I/O Ports Types and constants. */ +/*===========================================================================*/ + +/** + * @name Port related definitions + * @{ + */ +/** + * @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) +/** @} */ + +/** + * @name Line handling macros + * @{ + */ +/** + * @brief Forms a line identifier. + * @details A port/pad pair are encoded into an @p ioline_t type. The encoding + * of this type is platform-dependent. + * @note In this driver the pad number is encoded in the lower 4 bits of + * the GPIO address which are guaranteed to be zero. + */ +#define PAL_LINE(port, pad) \ + ((ioline_t)((uint32_t)(port)) | ((uint32_t)(pad))) + +/** + * @brief Decodes a port identifier from a line identifier. + */ +#define PAL_PORT(line) \ + ((ioportid_t)(((uint32_t)(line)) & 0xFFFFFFF0U)) + +/** + * @brief Decodes a pad identifier from a line identifier. + */ +#define PAL_PAD(line) \ + ((uint32_t)((uint32_t)(line) & 0x0000000FU)) + +/** + * @brief Value identifying an invalid line. + */ +#define PAL_NOLINE 0U +/** @} */ + +/** + * @brief GPIO port setup info. + */ +typedef struct +{ + /** @brief Initial value for DATA register.*/ + uint32_t data; + /** @brief Initial value for DIR register.*/ + uint32_t dir; + /** @brief Initial value for AFSEL register.*/ + uint32_t afsel; + /** @brief Initial value for DR2R register.*/ + uint32_t dr2r; + /** @brief Initial value for DR4R register.*/ + uint32_t dr4r; + /** @brief Initial value for DR8R register.*/ + uint32_t dr8r; + /** @brief Initial value for ODR register.*/ + uint32_t odr; + /** @brief Initial value for PUR register.*/ + uint32_t pur; + /** @brief Initial value for PDR register.*/ + uint32_t pdr; + /** @brief Initial value for SLR register.*/ + uint32_t slr; + /** @brief Initial value for DEN register.*/ + uint32_t den; + /** @brief Initial value for AMSEL register.*/ + uint32_t amsel; + /** @brief Initial value for PCTL register.*/ + uint32_t pctl; +} tiva_gpio_setup_t; + +/** + * @brief Tiva GPIO static initializer. + * @details An instance of this structure must be passed to @p palInit() at + * system startup time in order to initialized the digital I/O + * subsystem. This represents only the initial setup, specific pads + * or whole ports can be reprogrammed at later time. + */ +typedef struct +{ + /** @brief GPIO port A setup data.*/ + tiva_gpio_setup_t PAData; + /** @brief GPIO port B setup data.*/ + tiva_gpio_setup_t PBData; + /** @brief GPIO port C setup data.*/ + tiva_gpio_setup_t PCData; + /** @brief GPIO port D setup data.*/ + tiva_gpio_setup_t PDData; + /** @brief GPIO port E setup data.*/ + tiva_gpio_setup_t PEData; + /** @brief GPIO port F setup data.*/ + tiva_gpio_setup_t PFData; +#if TIVA_HAS_GPIOG || defined(__DOXYGEN__) + /** @brief GPIO port G setup data.*/ + tiva_gpio_setup_t PGData; +#endif +#if TIVA_HAS_GPIOH || defined(__DOXYGEN__) + /** @brief GPIO port H setup data.*/ + tiva_gpio_setup_t PHData; +#endif +#if TIVA_HAS_GPIOJ || defined(__DOXYGEN__) + /** @brief GPIO port J setup data.*/ + tiva_gpio_setup_t PJData; +#endif +#if TIVA_HAS_GPIOK || defined(__DOXYGEN__) + /** @brief GPIO port K setup data.*/ + tiva_gpio_setup_t PKData; +#endif +#if TIVA_HAS_GPIOL || defined(__DOXYGEN__) + /** @brief GPIO port L setup data.*/ + tiva_gpio_setup_t PLData; +#endif +#if TIVA_HAS_GPIOM || defined(__DOXYGEN__) + /** @brief GPIO port M setup data.*/ + tiva_gpio_setup_t PMData; +#endif +#if TIVA_HAS_GPION || defined(__DOXYGEN__) + /** @brief GPIO port N setup data.*/ + tiva_gpio_setup_t PNData; +#endif +#if TIVA_HAS_GPIOP || defined(__DOXYGEN__) + /** @brief GPIO port P setup data.*/ + tiva_gpio_setup_t PPData; +#endif +#if TIVA_HAS_GPIOQ || defined(__DOXYGEN__) + /** @brief GPIO port Q setup data.*/ + tiva_gpio_setup_t PQData; +#endif +#if TIVA_HAS_GPIOR || defined(__DOXYGEN__) + /** @brief GPIO port R setup data.*/ + tiva_gpio_setup_t PRData; +#endif +#if TIVA_HAS_GPIOS || defined(__DOXYGEN__) + /** @brief GPIO port S setup data.*/ + tiva_gpio_setup_t PSData; +#endif +#if TIVA_HAS_GPIOT || defined(__DOXYGEN__) + /** @brief GPIO port T setup data.*/ + tiva_gpio_setup_t PTData; +#endif +} PALConfig; + +/** + * @brief Digital I/O port sized unsigned type. + */ +typedef uint32_t ioportmask_t; + +/** + * @brief Digital I/O modes. + */ +typedef uint32_t iomode_t; + +/** + * @brief Type of an I/O line. + */ +typedef uint32_t ioline_t; + +/** + * @brief Type of an event mode. + */ +typedef uint32_t ioeventmode_t; + +/** + * @brief Port Identifier. + */ +typedef uint32_t ioportid_t; + +/** + * @brief Type of an pad identifier. + */ +typedef uint32_t iopadid_t; + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/** + * @name Configuration options + * @{ + */ +/** + * @brief GPIOA interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOA_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOA_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOB interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOB_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOB_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOC interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOC_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOC_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOD interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOD_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOD_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOE interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOE_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOE_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOF interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOF_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOF_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOG interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOG_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOG_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOH interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOH_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOH_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOJ interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOJ_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOJ_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOK interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOK_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOK_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOL interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOL_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOL_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOM interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOM_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOM_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPION interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPION_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPION_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOP0 interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOP0_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOP0_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOP1 interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOP1_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOP1_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOP2 interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOP2_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOP2_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOP3 interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOP3_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOP3_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOP4 interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOP4_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOP4_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOP5 interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOP5_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOP5_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOP6 interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOP6_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOP6_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOP7 interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOP7_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOP7_IRQ_PRIORITY 3 +#endif +/** @} */ + +/** + * @brief GPIOQ0 interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOQ0_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOQ0_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOQ1 interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOQ1_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOQ1_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOQ2 interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOQ2_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOQ2_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOQ3 interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOQ3_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOQ3_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOQ4 interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOQ4_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOQ4_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOQ5 interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOQ5_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOQ5_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOQ6 interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOQ6_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOQ6_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOQ7 interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOQ7_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOQ7_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOR interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOR_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOR_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOS interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOS_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOS_IRQ_PRIORITY 3 +#endif + +/** + * @brief GPIOT interrupt priority level setting. + */ +#if !defined(TIVA_PAL_GPIOT_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_PAL_GPIOT_IRQ_PRIORITY 3 +#endif +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +#define GPIOA GPIO_PORTA_AHB_BASE +#define GPIOB GPIO_PORTB_AHB_BASE +#define GPIOC GPIO_PORTC_AHB_BASE +#define GPIOD GPIO_PORTD_AHB_BASE +#define GPIOE GPIO_PORTE_AHB_BASE +#define GPIOF GPIO_PORTF_AHB_BASE +#define GPIOG GPIO_PORTG_AHB_BASE +#define GPIOH GPIO_PORTH_AHB_BASE +#define GPIOJ GPIO_PORTJ_AHB_BASE +#define GPIOK GPIO_PORTK_BASE +#define GPIOL GPIO_PORTL_BASE +#define GPIOM GPIO_PORTM_BASE +#define GPION GPIO_PORTN_BASE +#define GPIOP GPIO_PORTP_BASE +#define GPIOQ GPIO_PORTQ_BASE +#define GPIOR GPIO_PORTR_BASE +#define GPIOS GPIO_PORTS_BASE +#define GPIOT GPIO_PORTT_BASE + +#if TIVA_HAS_GPIOA && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOA_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOA" +#endif + +#if TIVA_HAS_GPIOB && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOB_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOB" +#endif + +#if TIVA_HAS_GPIOC && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOC_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOC" +#endif + +#if TIVA_HAS_GPIOD && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOD_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOD" +#endif + +#if TIVA_HAS_GPIOE && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOE_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOE" +#endif + +#if TIVA_HAS_GPIOF && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOF_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOF" +#endif + +#if TIVA_HAS_GPIOG && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOG_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOG" +#endif + +#if TIVA_HAS_GPIOH && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOH_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOH" +#endif + +#if TIVA_HAS_GPIOJ && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOJ_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOJ" +#endif + +#if TIVA_HAS_GPIOK && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOK_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOK" +#endif + +#if TIVA_HAS_GPIOL && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOL_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOL" +#endif + +#if TIVA_HAS_GPIOM && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOM_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOM" +#endif + +#if TIVA_HAS_GPION && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPION_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPION" +#endif + +#if TIVA_HAS_GPIOP && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOP0_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOP0" +#endif + +#if TIVA_HAS_GPIOP && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOP1_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOP1" +#endif + +#if TIVA_HAS_GPIOP && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOP2_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOP2" +#endif + +#if TIVA_HAS_GPIOP && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOP3_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOP3" +#endif + +#if TIVA_HAS_GPIOP && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOP4_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOP4" +#endif + +#if TIVA_HAS_GPIOP && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOP5_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOP5" +#endif + +#if TIVA_HAS_GPIOP && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOP6_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOP6" +#endif + +#if TIVA_HAS_GPIOP && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOP7_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOP7" +#endif + +#if TIVA_HAS_GPIOQ && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOQ0_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOQ0" +#endif + +#if TIVA_HAS_GPIOQ && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOQ1_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOQ1" +#endif + +#if TIVA_HAS_GPIOQ && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOQ2_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOQ2" +#endif + +#if TIVA_HAS_GPIOQ && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOQ3_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOQ3" +#endif + +#if TIVA_HAS_GPIOQ && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOQ4_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOQ4" +#endif + +#if TIVA_HAS_GPIOQ && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOQ5_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOQ5" +#endif + +#if TIVA_HAS_GPIOQ && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOQ6_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOQ6" +#endif + +#if TIVA_HAS_GPIOQ && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOQ7_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOQ7" +#endif + +#if TIVA_HAS_GPIOR && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOR_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOR" +#endif + +#if TIVA_HAS_GPIOS && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOS_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOS" +#endif + +#if TIVA_HAS_GPIOT && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_PAL_GPIOT_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPIOT" +#endif + +/*===========================================================================*/ +/* I/O Ports Identifiers. */ +/*===========================================================================*/ + +/** + * @brief GPIO port A identifier. + */ +#define IOPORT1 GPIOA + +/** + * @brief GPIO port B identifier. + */ +#define IOPORT2 GPIOB + +/** + * @brief GPIO port C identifier. + */ +#define IOPORT3 GPIOC + +/** + * @brief GPIO port D identifier. + */ +#define IOPORT4 GPIOD + +/** + * @brief GPIO port E identifier. + */ +#define IOPORT5 GPIOE + +/** + * @brief GPIO port F identifier. + */ +#define IOPORT6 GPIOF + +/** + * @brief GPIO port G identifier. + */ +#if TIVA_HAS_GPIOG || defined(__DOXYGEN__) +#define IOPORT7 GPIOG +#endif + +/** + * @brief GPIO port H identifier. + */ +#if TIVA_HAS_GPIOH || defined(__DOXYGEN__) +#define IOPORT8 GPIOH +#endif + +/** + * @brief GPIO port J identifier. + */ +#if TIVA_HAS_GPIOJ || defined(__DOXYGEN__) +#define IOPORT9 GPIOJ +#endif + +/** + * @brief GPIO port K identifier. + */ +#if TIVA_HAS_GPIOK || defined(__DOXYGEN__) +#define IOPORT10 GPIOK +#endif + +/** + * @brief GPIO port L identifier. + */ +#if TIVA_HAS_GPIOL || defined(__DOXYGEN__) +#define IOPORT11 GPIOL +#endif + +/** + * @brief GPIO port M identifier. + */ +#if TIVA_HAS_GPIOM || defined(__DOXYGEN__) +#define IOPORT12 GPIOM +#endif + +/** + * @brief GPIO port N identifier. + */ +#if TIVA_HAS_GPION || defined(__DOXYGEN__) +#define IOPORT13 GPION +#endif + +/** + * @brief GPIO port P identifier. + */ +#if TIVA_HAS_GPIOP || defined(__DOXYGEN__) +#define IOPORT14 GPIOP +#endif + +/** + * @brief GPIO port Q identifier. + */ +#if TIVA_HAS_GPIOQ || defined(__DOXYGEN__) +#define IOPORT15 GPIOQ +#endif + +/** + * @brief GPIO port R identifier. + */ +#if TIVA_HAS_GPIOR || defined(__DOXYGEN__) +#define IOPORT16 GPIOR +#endif + +/** + * @brief GPIO port S identifier. + */ +#if TIVA_HAS_GPIOS || defined(__DOXYGEN__) +#define IOPORT17 GPIOS +#endif + +/** + * @brief GPIO port T identifier. + */ +#if TIVA_HAS_GPIOT || defined(__DOXYGEN__) +#define IOPORT18 GPIOT +#endif + +/*===========================================================================*/ +/* Implementation, some of the following macros could be implemented as */ +/* functions, if so please put them in pal_lld.c. */ +/*===========================================================================*/ + +/** + * @brief Low level PAL subsystem initialization. + * + * @param[in] config architecture-dependent ports configuration + * + * @notapi + */ +#define pal_lld_init(config) _pal_lld_init(config) + +/** + * @brief Reads the physical I/O port states. + * + * @param[in] port port identifier + * @return The port bits. + * + * @notapi + */ +#define pal_lld_readport(port) (HWREG((port) + GPIO_O_DATA + (0xff << 2))) + +/** + * @brief Reads the output latch. + * @details The purpose of this function is to read back the latched output + * value. + * + * @param[in] port port identifier + * @return The latched logical states. + * + * @notapi + */ +#define pal_lld_readlatch(port) pal_lld_readport(port) + +/** + * @brief Writes a bits mask on a I/O port. + * + * @param[in] port port identifier + * @param[in] bits bits to be written on the specified port + * + * @notapi + */ +#define pal_lld_writeport(port, bits) (HWREG((port) + GPIO_O_DATA + (0xff << 2)) = (bits)) + +/** + * @brief Sets a bits mask on a I/O port. + * @note The @ref PAL provides a default software implementation of this + * functionality, implement this function if can optimize it by using + * special hardware functionalities or special coding. + * + * @param[in] port port identifier + * @param[in] bits bits to be ORed on the specified port + * + * @notapi + */ +#define pal_lld_setport(port, bits) (HWREG((port) + (GPIO_O_DATA + (bits << 2))) = 0xFF) + +/** + * @brief Clears a bits mask on a I/O port. + * @note The @ref PAL provides a default software implementation of this + * functionality, implement this function if can optimize it by using + * special hardware functionalities or special coding. + * + * @param[in] port port identifier + * @param[in] bits bits to be cleared on the specified port + * + * @notapi + */ +#define pal_lld_clearport(port, bits) (HWREG((port) + (GPIO_O_DATA + (bits << 2))) = 0) + +/** + * @brief Reads a group of bits. + * @note The @ref PAL provides a default software implementation of this + * functionality, implement this function if can optimize it by using + * special hardware functionalities or special coding. + * + * @param[in] port port identifier + * @param[in] mask group mask + * @param[in] offset group bit offset within the port + * @return The group logical states. + * + * @notapi + */ +#define pal_lld_readgroup(port, mask, offset) \ + (HWREG((port) + (GPIO_O_DATA + (((mask) << (offset)) << 2)))) + +/** + * @brief Writes a group of bits. + * @note The @ref PAL provides a default software implementation of this + * functionality, implement this function if can optimize it by using + * special hardware functionalities or special coding. + * + * @param[in] port port identifier + * @param[in] mask group mask + * @param[in] offset group bit offset within the port + * @param[in] bits bits to be written. Values exceeding the group width + * are masked. + * + * @notapi + */ +#define pal_lld_writegroup(port, mask, offset, bits) \ + (HWREG((port) + (GPIO_O_DATA + (((mask) << (offset)) << 2))) = (bits)) + +/** + * @brief Pads group mode setup. + * @details This function programs a pads group belonging to the same port + * with the specified mode. + * @note Programming an unknown or unsupported mode is silently ignored. + * + * @param[in] port port identifier + * @param[in] mask group mask + * @param[in] offset group bit offset within the port + * @param[in] mode group mode + * + * @notapi + */ +#define pal_lld_setgroupmode(port, mask, offset, mode) \ + _pal_lld_setgroupmode(port, mask << offset, mode) + +/** + * @brief Reads a logical state from an I/O pad. + * @note The @ref PAL provides a default software implementation of this + * functionality, implement this function if can optimize it by using + * special hardware functionalities or special coding. + * + * @param[in] port port identifier + * @param[in] pad pad number within the port + * @return The logical state. + * @retval PAL_LOW low logical state. + * @retval PAL_HIGH high logical state. + * + * @notapi + */ +#define pal_lld_readpad(port, pad) (HWREG((port) + (GPIO_O_DATA + ((1 << (pad)) << 2)))) + +/** + * @brief Writes a logical state on an output pad. + * @note This function is not meant to be invoked directly by the + * application code. + * @note The @ref PAL provides a default software implementation of this + * functionality, implement this function if can optimize it by using + * special hardware functionalities or special coding. + * + * @param[in] port port identifier + * @param[in] pad pad number within the port + * @param[in] bit logical value, the value must be @p PAL_LOW or + * @p PAL_HIGH + * + * @notapi + */ +#define pal_lld_writepad(port, pad, bit) \ + (HWREG((port) + (GPIO_O_DATA + ((1 << (pad)) << 2))) = 1 << (bit)) + +/** + * @brief Sets a pad logical state to @p PAL_HIGH. + * @note The @ref PAL provides a default software implementation of this + * functionality, implement this function if can optimize it by using + * special hardware functionalities or special coding. + * + * @param[in] port port identifier + * @param[in] pad pad number within the port + * + * @notapi + */ +#define pal_lld_setpad(port, pad) \ + (HWREG((port) + (GPIO_O_DATA + ((1 << (pad)) << 2))) = 1 << (pad)) + +/** + * @brief Clears a pad logical state to @p PAL_LOW. + * @note The @ref PAL provides a default software implementation of this + * functionality, implement this function if can optimize it by using + * special hardware functionalities or special coding. + * + * @param[in] port port identifier + * @param[in] pad pad number within the port + * + * @notapi + */ +#define pal_lld_clearpad(port, pad) \ + (HWREG((port) + (GPIO_O_DATA + ((1 << (pad)) << 2))) = 0) + +/** + * @brief Pad event enable. + * @note Programming an unknown or unsupported mode is silently ignored. + * + * @param[in] port port identifier + * @param[in] pad pad number within the port + * @param[in] mode pad event mode + * + * @notapi + */ +#define pal_lld_enablepadevent(port, pad, mode) \ + _pal_lld_enablepadevent(port, pad, mode) + +/** + * @brief Pad event disable. + * @details This function disables previously programmed event callbacks. + * + * @param[in] port port identifier + * @param[in] pad pad number within the port + * + * @notapi + */ +#define pal_lld_disablepadevent(port, pad) \ + _pal_lld_disablepadevent(port, pad) + +/** + * @brief Returns a PAL event structure associated to a pad. + * + * @param[in] port port identifier + * @param[in] pad pad number within the port + * + * @notapi + */ +#define pal_lld_get_pad_event(port, pad) \ + &_pal_events[((((((uint32_t)port - (uint32_t)GPIOA) >> 12) & 0x1FU) * 8) + pad)]; + +/** + * @brief Returns a PAL event structure associated to a line. + * + * @param[in] line line identifier + * + * @notapi + */ +#define pal_lld_get_line_event(line) \ + &_pal_events[((((((uint32_t)PAL_PORT(line) - (uint32_t)GPIOA) >> 12) & 0x1FU) * 8) + PAL_PAD(line))] + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#if !defined(__DOXYGEN__) +extern const PALConfig pal_default_config; +extern palevent_t _pal_events[TIVA_GPIO_PINS]; +#endif + +#ifdef __cplusplus +extern "C" { +#endif + void _pal_lld_init(const PALConfig *config); + void _pal_lld_setgroupmode(ioportid_t port, + ioportmask_t mask, + iomode_t mode); +#if PAL_USE_CALLBACKS || PAL_USE_WAIT + void _pal_lld_enablepadevent(ioportid_t port, + iopadid_t pad, + ioeventmode_t mode); + void _pal_lld_disablepadevent(ioportid_t port, iopadid_t pad); + void pal_lld_disable_irqs(void); +#endif +#ifdef __cplusplus +} +#endif + +#endif /* HAL_USE_PAL */ + +#endif /* HAL_PAL_LLD_H */ + +/** @} */ |