diff options
Diffstat (limited to 'os/hal/ports/TIVA/LLD/GPIO/hal_pal_lld.c')
| -rw-r--r-- | os/hal/ports/TIVA/LLD/GPIO/hal_pal_lld.c | 1135 |
1 files changed, 1135 insertions, 0 deletions
diff --git a/os/hal/ports/TIVA/LLD/GPIO/hal_pal_lld.c b/os/hal/ports/TIVA/LLD/GPIO/hal_pal_lld.c new file mode 100644 index 0000000..7a222e4 --- /dev/null +++ b/os/hal/ports/TIVA/LLD/GPIO/hal_pal_lld.c @@ -0,0 +1,1135 @@ +/* + 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.c + * @brief TM4C123x/TM4C129x PAL subsystem low level driver. + * + * @addtogroup PAL + * @{ + */ + +#include "hal.h" + +#if HAL_USE_PAL || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +#if TIVA_HAS_GPIOA || defined(__DOXYGEN__) +#define GPIOA_BIT (1 << 0) +#else +#define GPIOA_BIT 0 +#endif + +#if TIVA_HAS_GPIOB || defined(__DOXYGEN__) +#define GPIOB_BIT (1 << 1) +#else +#define GPIOB_BIT 0 +#endif + +#if TIVA_HAS_GPIOC || defined(__DOXYGEN__) +#define GPIOC_BIT (1 << 2) +#else +#define GPIOC_BIT 0 +#endif + +#if TIVA_HAS_GPIOD || defined(__DOXYGEN__) +#define GPIOD_BIT (1 << 3) +#else +#define GPIOD_BIT 0 +#endif + +#if TIVA_HAS_GPIOE || defined(__DOXYGEN__) +#define GPIOE_BIT (1 << 4) +#else +#define GPIOE_BIT 0 +#endif + +#if TIVA_HAS_GPIOF || defined(__DOXYGEN__) +#define GPIOF_BIT (1 << 5) +#else +#define GPIOF_BIT 0 +#endif + +#if TIVA_HAS_GPIOG || defined(__DOXYGEN__) +#define GPIOG_BIT (1 << 6) +#else +#define GPIOG_BIT 0 +#endif + +#if TIVA_HAS_GPIOH || defined(__DOXYGEN__) +#define GPIOH_BIT (1 << 7) +#else +#define GPIOH_BIT 0 +#endif + +#if TIVA_HAS_GPIOJ || defined(__DOXYGEN__) +#define GPIOJ_BIT (1 << 8) +#else +#define GPIOJ_BIT 0 +#endif + +#if TIVA_HAS_GPIOK || defined(__DOXYGEN__) +#define GPIOK_BIT (1 << 9) +#else +#define GPIOK_BIT 0 +#endif + +#if TIVA_HAS_GPIOL || defined(__DOXYGEN__) +#define GPIOL_BIT (1 << 10) +#else +#define GPIOL_BIT 0 +#endif + +#if TIVA_HAS_GPIOM || defined(__DOXYGEN__) +#define GPIOM_BIT (1 << 11) +#else +#define GPIOM_BIT 0 +#endif + +#if TIVA_HAS_GPION || defined(__DOXYGEN__) +#define GPION_BIT (1 << 12) +#else +#define GPION_BIT 0 +#endif + +#if TIVA_HAS_GPIOP || defined(__DOXYGEN__) +#define GPIOP_BIT (1 << 13) +#else +#define GPIOP_BIT 0 +#endif + +#if TIVA_HAS_GPIOQ || defined(__DOXYGEN__) +#define GPIOQ_BIT (1 << 14) +#else +#define GPIOQ_BIT 0 +#endif + +#if TIVA_HAS_GPIOR || defined(__DOXYGEN__) +#define GPIOR_BIT (1 << 15) +#else +#define GPIOR_BIT 0 +#endif + +#if TIVA_HAS_GPIOS || defined(__DOXYGEN__) +#define GPIOS_BIT (1 << 16) +#else +#define GPIOS_BIT 0 +#endif + +#if TIVA_HAS_GPIOT || defined(__DOXYGEN__) +#define GPIOT_BIT (1 << 17) +#else +#define GPIOT_BIT 0 +#endif + +#define RCGCGPIO_MASK (GPIOA_BIT | GPIOB_BIT | GPIOC_BIT | GPIOD_BIT | \ + GPIOE_BIT | GPIOF_BIT | GPIOG_BIT | GPIOH_BIT | \ + GPIOJ_BIT | GPIOK_BIT | GPIOL_BIT | GPIOM_BIT | \ + GPION_BIT | GPIOP_BIT | GPIOQ_BIT | GPIOR_BIT | \ + GPIOS_BIT | GPIOT_BIT) + +#define GPIOHBCTL_MASK (GPIOA_BIT | GPIOB_BIT | GPIOC_BIT | GPIOD_BIT | \ + GPIOE_BIT | GPIOF_BIT | GPIOG_BIT | GPIOH_BIT | \ + GPIOJ_BIT) + +#define GPIOC_JTAG_MASK (0x0F) +#define GPIOD_NMI_MASK (0x80) +#define GPIOF_NMI_MASK (0x01) + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/** + * @brief Event records for all GPIO channels. + */ +palevent_t _pal_events[TIVA_GPIO_PINS]; + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/** + * @brief Initializes the port with the port configuration. + * + * @param[in] port the port identifier + * @param[in] config the port configuration + */ +static void gpio_init(ioportid_t port, const tiva_gpio_setup_t *config) +{ + HWREG(port + GPIO_O_DATA) = config->data; + HWREG(port + GPIO_O_DIR) = config->dir; + HWREG(port + GPIO_O_AFSEL) = config->afsel; + HWREG(port + GPIO_O_DR2R) = config->dr2r; + HWREG(port + GPIO_O_DR4R) = config->dr4r; + HWREG(port + GPIO_O_DR8R) = config->dr8r; + HWREG(port + GPIO_O_ODR) = config->odr; + HWREG(port + GPIO_O_PUR) = config->pur; + HWREG(port + GPIO_O_PDR) = config->pdr; + HWREG(port + GPIO_O_SLR) = config->slr; + HWREG(port + GPIO_O_DEN) = config->den; + HWREG(port + GPIO_O_AMSEL) = config->amsel; + HWREG(port + GPIO_O_PCTL) = config->pctl; +} + +/** + * @brief Unlocks the masked pins of the GPIO peripheral. + * @note This function is only useful for PORTC0-3, PORTD7 and PORTF0. + * + * @param[in] port the port identifier + * @param[in] mask the pin mask + */ +static void gpio_unlock(ioportid_t port, ioportmask_t mask) +{ + + HWREG(port + GPIO_O_LOCK) = GPIO_LOCK_KEY; + HWREG(port + GPIO_O_CR) = mask; +} + +#if PAL_USE_CALLBACKS || PAL_USE_WAIT +/** + * @brief Enables GPIO IRQ sources. + */ +static void gpio_irq_enable(void) +{ +#if TIVA_HAS_GPIOA + nvicEnableVector(TIVA_GPIOA_NUMBER, TIVA_PAL_GPIOA_IRQ_PRIORITY); +#endif +#if TIVA_HAS_GPIOB + nvicEnableVector(TIVA_GPIOB_NUMBER, TIVA_PAL_GPIOB_IRQ_PRIORITY); +#endif +#if TIVA_HAS_GPIOC + nvicEnableVector(TIVA_GPIOC_NUMBER, TIVA_PAL_GPIOC_IRQ_PRIORITY); +#endif +#if TIVA_HAS_GPIOD + nvicEnableVector(TIVA_GPIOD_NUMBER, TIVA_PAL_GPIOD_IRQ_PRIORITY); +#endif +#if TIVA_HAS_GPIOE + nvicEnableVector(TIVA_GPIOE_NUMBER, TIVA_PAL_GPIOE_IRQ_PRIORITY); +#endif +#if TIVA_HAS_GPIOF + nvicEnableVector(TIVA_GPIOF_NUMBER, TIVA_PAL_GPIOF_IRQ_PRIORITY); +#endif +#if TIVA_HAS_GPIOG + nvicEnableVector(TIVA_GPIOG_NUMBER, TIVA_PAL_GPIOG_IRQ_PRIORITY); +#endif +#if TIVA_HAS_GPIOH + nvicEnableVector(TIVA_GPIOH_NUMBER, TIVA_PAL_GPIOH_IRQ_PRIORITY); +#endif +#if TIVA_HAS_GPIOJ + nvicEnableVector(TIVA_GPIOJ_NUMBER, TIVA_PAL_GPIOJ_IRQ_PRIORITY); +#endif +#if TIVA_HAS_GPIOK + nvicEnableVector(TIVA_GPIOK_NUMBER, TIVA_PAL_GPIOK_IRQ_PRIORITY); +#endif +#if TIVA_HAS_GPIOL + nvicEnableVector(TIVA_GPIOL_NUMBER, TIVA_PAL_GPIOL_IRQ_PRIORITY); +#endif +#if TIVA_HAS_GPIOM + nvicEnableVector(TIVA_GPIOM_NUMBER, TIVA_PAL_GPIOM_IRQ_PRIORITY); +#endif +#if TIVA_HAS_GPION + nvicEnableVector(TIVA_GPION_NUMBER, TIVA_PAL_GPION_IRQ_PRIORITY); +#endif +#if TIVA_HAS_GPIOP + nvicEnableVector(TIVA_GPIOP0_NUMBER, TIVA_PAL_GPIOP0_IRQ_PRIORITY); + nvicEnableVector(TIVA_GPIOP1_NUMBER, TIVA_PAL_GPIOP1_IRQ_PRIORITY); + nvicEnableVector(TIVA_GPIOP2_NUMBER, TIVA_PAL_GPIOP2_IRQ_PRIORITY); + nvicEnableVector(TIVA_GPIOP3_NUMBER, TIVA_PAL_GPIOP3_IRQ_PRIORITY); + nvicEnableVector(TIVA_GPIOP4_NUMBER, TIVA_PAL_GPIOP4_IRQ_PRIORITY); + nvicEnableVector(TIVA_GPIOP5_NUMBER, TIVA_PAL_GPIOP5_IRQ_PRIORITY); + nvicEnableVector(TIVA_GPIOP6_NUMBER, TIVA_PAL_GPIOP6_IRQ_PRIORITY); + nvicEnableVector(TIVA_GPIOP7_NUMBER, TIVA_PAL_GPIOP7_IRQ_PRIORITY); +#endif +#if TIVA_HAS_GPIOQ + nvicEnableVector(TIVA_GPIOQ0_NUMBER, TIVA_PAL_GPIOQ0_IRQ_PRIORITY); + nvicEnableVector(TIVA_GPIOQ1_NUMBER, TIVA_PAL_GPIOQ1_IRQ_PRIORITY); + nvicEnableVector(TIVA_GPIOQ2_NUMBER, TIVA_PAL_GPIOQ2_IRQ_PRIORITY); + nvicEnableVector(TIVA_GPIOQ3_NUMBER, TIVA_PAL_GPIOQ3_IRQ_PRIORITY); + nvicEnableVector(TIVA_GPIOQ4_NUMBER, TIVA_PAL_GPIOQ4_IRQ_PRIORITY); + nvicEnableVector(TIVA_GPIOQ5_NUMBER, TIVA_PAL_GPIOQ5_IRQ_PRIORITY); + nvicEnableVector(TIVA_GPIOQ6_NUMBER, TIVA_PAL_GPIOQ6_IRQ_PRIORITY); + nvicEnableVector(TIVA_GPIOQ7_NUMBER, TIVA_PAL_GPIOQ7_IRQ_PRIORITY); +#endif +#if TIVA_HAS_GPIOR + nvicEnableVector(TIVA_GPIOR_NUMBER, TIVA_PAL_GPIOR_IRQ_PRIORITY); +#endif +#if TIVA_HAS_GPIOS + nvicEnableVector(TIVA_GPIOS_NUMBER, TIVA_PAL_GPIOS_IRQ_PRIORITY); +#endif +#if TIVA_HAS_GPIOT + nvicEnableVector(TIVA_GPIOT_NUMBER, TIVA_PAL_GPIOT_IRQ_PRIORITY); +#endif +} +#endif + +#define gpio_serve_irq(mask, pin, channel) { \ + \ + if ((mask) & (1U << (pin))) { \ + _pal_isr_code(channel); \ + } \ +} + +/** + * @brief Generic interrupt serving code for multiple pins per interrupt + * handler. + */ +#define ext_lld_serve_port_interrupt(gpio, start) \ + do { \ + uint32_t mis = HWREG(gpio + GPIO_O_MIS); \ + \ + HWREG(gpio + GPIO_O_ICR) = mis; \ + \ + gpio_serve_irq(mis, 0, start + 0); \ + gpio_serve_irq(mis, 1, start + 1); \ + gpio_serve_irq(mis, 2, start + 2); \ + gpio_serve_irq(mis, 3, start + 3); \ + gpio_serve_irq(mis, 4, start + 4); \ + gpio_serve_irq(mis, 5, start + 5); \ + gpio_serve_irq(mis, 6, start + 6); \ + gpio_serve_irq(mis, 7, start + 7); \ + } while (0); + +/** + * @brief Generic interrupt serving code for single pin per interrupt + * handler. + */ +#define ext_lld_serve_pin_interrupt(gpio, start, pin) \ + do { \ + HWREG(gpio + GPIO_O_ICR) = (1 << pin); \ + gpio_serve_irq((1 << pin), pin, start) \ + } while (0); + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +#if TIVA_HAS_GPIOA || defined(__DOXYGEN__) +/** + * @brief GPIOA interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOA_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_port_interrupt(GPIOA, 0); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +#if TIVA_HAS_GPIOB || defined(__DOXYGEN__) +/** + * @brief GPIOB interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOB_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_port_interrupt(GPIOB, 8); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +#if TIVA_HAS_GPIOC || defined(__DOXYGEN__) +/** + * @brief GPIOC interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOC_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_port_interrupt(GPIOC, 16); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +#if TIVA_HAS_GPIOD || defined(__DOXYGEN__) +/** + * @brief GPIOD interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOD_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_port_interrupt(GPIOD, 24); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +#if TIVA_HAS_GPIOE || defined(__DOXYGEN__) +/** + * @brief GPIOE interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOE_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_port_interrupt(GPIOE, 32); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +#if TIVA_HAS_GPIOF || defined(__DOXYGEN__) +/** + * @brief GPIOF interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOF_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_port_interrupt(GPIOF, 40); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +#if TIVA_HAS_GPIOG || defined(__DOXYGEN__) +/** + * @brief GPIOG interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOG_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_port_interrupt(GPIOG, 48); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +#if TIVA_HAS_GPIOH || defined(__DOXYGEN__) +/** + * @brief GPIOH interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOH_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_port_interrupt(GPIOH, 56); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +#if TIVA_HAS_GPIOJ || defined(__DOXYGEN__) +/** + * @brief GPIOJ interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOJ_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_port_interrupt(GPIOJ, 64); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +#if TIVA_HAS_GPIOK || defined(__DOXYGEN__) +/** + * @brief GPIOK interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOK_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_port_interrupt(GPIOK, 72); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +#if TIVA_HAS_GPIOL || defined(__DOXYGEN__) +/** + * @brief GPIOL interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOL_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_port_interrupt(GPIOL, 80); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +#if TIVA_HAS_GPIOM || defined(__DOXYGEN__) +/** + * @brief GPIOM interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOM_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_port_interrupt(GPIOM, 88); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +#if TIVA_HAS_GPION || defined(__DOXYGEN__) +/** + * @brief GPION interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPION_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_port_interrupt(GPION, 96); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +#if TIVA_HAS_GPIOP || defined(__DOXYGEN__) +/** + * @brief GPIOP0 interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOP0_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_pin_interrupt(GPIOP, 104, 0); + + OSAL_IRQ_EPILOGUE(); +} + +/** + * @brief GPIOP1 interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOP1_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_pin_interrupt(GPIOP, 105, 1); + + OSAL_IRQ_EPILOGUE(); +} + +/** + * @brief GPIOP2 interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOP2_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_pin_interrupt(GPIOP, 106, 2); + + OSAL_IRQ_EPILOGUE(); +} + +/** + * @brief GPIOP3 interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOP3_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_pin_interrupt(GPIOP, 107, 3); + + OSAL_IRQ_EPILOGUE(); +} + +/** + * @brief GPIOP4 interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOP4_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_pin_interrupt(GPIOP, 108, 4); + + OSAL_IRQ_EPILOGUE(); +} + +/** + * @brief GPIOP5 interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOP5_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_pin_interrupt(GPIOP, 109, 5); + + OSAL_IRQ_EPILOGUE(); +} + +/** + * @brief GPIOP6 interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOP6_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_pin_interrupt(GPIOP, 110, 6); + + OSAL_IRQ_EPILOGUE(); +} + +/** + * @brief GPIOP7 interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOP7_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_pin_interrupt(GPIOP, 111, 7); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +#if TIVA_HAS_GPIOQ || defined(__DOXYGEN__) +/** + * @brief GPIOQ0 interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOQ0_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_pin_interrupt(GPIOQ, 112, 0); + + OSAL_IRQ_EPILOGUE(); +} + +/** + * @brief GPIOQ1 interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOQ1_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_pin_interrupt(GPIOQ, 113, 1); + + OSAL_IRQ_EPILOGUE(); +} + +/** + * @brief GPIOQ2 interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOQ2_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_pin_interrupt(GPIOQ, 114, 2); + + OSAL_IRQ_EPILOGUE(); +} + +/** + * @brief GPIOQ3 interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOQ3_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_pin_interrupt(GPIOQ, 115, 3); + + OSAL_IRQ_EPILOGUE(); +} + +/** + * @brief GPIOQ4 interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOQ4_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_pin_interrupt(GPIOQ, 116, 4); + + OSAL_IRQ_EPILOGUE(); +} + +/** + * @brief GPIOQ5 interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOQ5_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_pin_interrupt(GPIOQ, 117, 5); + + OSAL_IRQ_EPILOGUE(); +} + +/** + * @brief GPIOQ6 interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOQ6_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_pin_interrupt(GPIOQ, 118, 6); + + OSAL_IRQ_EPILOGUE(); +} + +/** + * @brief GPIOQ7 interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOQ7_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_pin_interrupt(GPIOQ, 119, 7); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +#if TIVA_HAS_GPIOR || defined(__DOXYGEN__) +/** + * @brief GPIOR interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOR_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_port_interrupt(GPIOR, 120); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +#if TIVA_HAS_GPIOS || defined(__DOXYGEN__) +/** + * @brief GPIOS interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOS_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_port_interrupt(GPIOS, 128); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +#if TIVA_HAS_GPIOT || defined(__DOXYGEN__) +/** + * @brief GPIOT interrupt handler. + * + * @isr + */ +OSAL_IRQ_HANDLER(TIVA_GPIOT_HANDLER) +{ + OSAL_IRQ_PROLOGUE(); + + ext_lld_serve_port_interrupt(GPIOT, 132); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief Tiva I/O ports configuration. + * @details Ports A-F (G, H, J, K, L, M, N, P, Q, R, S, T) clocks enabled. + * + * @param[in] config the Tiva ports configuration + * + * @notapi + */ +void _pal_lld_init(const PALConfig *config) +{ +#if PAL_USE_CALLBACKS || PAL_USE_WAIT || defined(__DOXYGEN__) + unsigned i; + + for (i = 0; i < TIVA_GPIO_PINS; i++) { + _pal_init_event(i); + } +#endif + + /* + * Enables all GPIO clocks. + */ + HWREG(SYSCTL_RCGCGPIO) = RCGCGPIO_MASK; +#if defined(TM4C123x) + HWREG(SYSCTL_GPIOHBCTL) = GPIOHBCTL_MASK; +#endif + + /* Wait until all GPIO modules are ready */ + while (!((HWREG(SYSCTL_PRGPIO) & RCGCGPIO_MASK) == RCGCGPIO_MASK)) + ; + +#if TIVA_HAS_GPIOA + gpio_init(GPIOA, &config->PAData); +#endif +#if TIVA_HAS_GPIOB + gpio_init(GPIOB, &config->PBData); +#endif +#if TIVA_HAS_GPIOC + /* Unlock JTAG pins.*/ + gpio_unlock(GPIOC, GPIOC_JTAG_MASK); + gpio_init(GPIOC, &config->PCData); +#endif +#if TIVA_HAS_GPIOD + /* Unlock NMI pin.*/ + gpio_unlock(GPIOD, GPIOD_NMI_MASK); + gpio_init(GPIOD, &config->PDData); +#endif +#if TIVA_HAS_GPIOE + gpio_init(GPIOE, &config->PEData); +#endif +#if TIVA_HAS_GPIOF + /* Unlock NMI pin.*/ + gpio_unlock(GPIOF, GPIOF_NMI_MASK); + gpio_init(GPIOF, &config->PFData); +#endif +#if TIVA_HAS_GPIOG || defined(__DOXYGEN__) + gpio_init(GPIOG, &config->PGData); +#endif +#if TIVA_HAS_GPIOH || defined(__DOXYGEN__) + gpio_init(GPIOH, &config->PHData); +#endif +#if TIVA_HAS_GPIOJ || defined(__DOXYGEN__) + gpio_init(GPIOJ, &config->PJData); +#endif +#if TIVA_HAS_GPIOK || defined(__DOXYGEN__) + gpio_init(GPIOK, &config->PKData); +#endif +#if TIVA_HAS_GPIOL || defined(__DOXYGEN__) + gpio_init(GPIOL, &config->PLData); +#endif +#if TIVA_HAS_GPIOM || defined(__DOXYGEN__) + gpio_init(GPIOM, &config->PMData); +#endif +#if TIVA_HAS_GPION || defined(__DOXYGEN__) + gpio_init(GPION, &config->PNData); +#endif +#if TIVA_HAS_GPIOP || defined(__DOXYGEN__) + gpio_init(GPIOP, &config->PPData); +#endif +#if TIVA_HAS_GPIOQ || defined(__DOXYGEN__) + gpio_init(GPIOQ, &config->PQData); +#endif +#if TIVA_HAS_GPIOR || defined(__DOXYGEN__) + gpio_init(GPIOR, &config->PRData); +#endif +#if TIVA_HAS_GPIOS || defined(__DOXYGEN__) + gpio_init(GPIOS, &config->PSData); +#endif +#if TIVA_HAS_GPIOT || defined(__DOXYGEN__) + gpio_init(GPIOT, &config->PTData); +#endif +#if PAL_USE_CALLBACKS || PAL_USE_WAIT + gpio_irq_enable(); +#endif +} + +/** + * @brief Pads mode setup. + * @details This function programs a pads group belonging to the same port + * with the specified mode. + * + * @param[in] port the port identifier + * @param[in] mask the group mask + * @param[in] mode the mode + * + * @notapi + */ +void _pal_lld_setgroupmode(ioportid_t port, ioportmask_t mask, iomode_t mode) +{ + uint32_t dir = (mode & PAL_TIVA_DIR_MASK) >> 0; + uint32_t afsel = (mode & PAL_TIVA_AFSEL_MASK) >> 1; + uint32_t dr2r = (mode & PAL_TIVA_DR2R_MASK) >> 2; + uint32_t dr4r = (mode & PAL_TIVA_DR4R_MASK) >> 3; + uint32_t dr8r = (mode & PAL_TIVA_DR8R_MASK) >> 4; + uint32_t odr = (mode & PAL_TIVA_ODR_MASK) >> 5; + uint32_t pur = (mode & PAL_TIVA_PUR_MASK) >> 6; + uint32_t pdr = (mode & PAL_TIVA_PDR_MASK) >> 7; + uint32_t slr = (mode & PAL_TIVA_SLR_MASK) >> 8; + uint32_t den = (mode & PAL_TIVA_DEN_MASK) >> 9; + uint32_t amsel = (mode & PAL_TIVA_AMSEL_MASK) >> 10; + uint32_t pctl = (mode & PAL_TIVA_PCTL_MASK) >> 11; + uint32_t bit = 0; + + while(TRUE) { + uint32_t pctl_mask = (7 << (4 * bit)); + uint32_t bit_mask = (1 << bit); + + if ((mask & 1) != 0) { + HWREG(port + GPIO_O_DIR) = (HWREG(port + GPIO_O_DIR) & ~bit_mask) | dir; + HWREG(port + GPIO_O_AFSEL) = (HWREG(port + GPIO_O_AFSEL) & ~bit_mask) | afsel; + HWREG(port + GPIO_O_DR2R) = (HWREG(port + GPIO_O_DR2R) & ~bit_mask) | dr2r; + HWREG(port + GPIO_O_DR4R) = (HWREG(port + GPIO_O_DR4R) & ~bit_mask) | dr4r; + HWREG(port + GPIO_O_DR8R) = (HWREG(port + GPIO_O_DR8R) & ~bit_mask) | dr8r; + HWREG(port + GPIO_O_ODR) = (HWREG(port + GPIO_O_ODR) & ~bit_mask) | odr; + HWREG(port + GPIO_O_PUR) = (HWREG(port + GPIO_O_PUR) & ~bit_mask) | pur; + HWREG(port + GPIO_O_PDR) = (HWREG(port + GPIO_O_PDR) & ~bit_mask) | pdr; + HWREG(port + GPIO_O_SLR) = (HWREG(port + GPIO_O_SLR) & ~bit_mask) | slr; + HWREG(port + GPIO_O_DEN) = (HWREG(port + GPIO_O_DEN) & ~bit_mask) | den; + HWREG(port + GPIO_O_AMSEL) = (HWREG(port + GPIO_O_AMSEL) & ~bit_mask) | amsel; + HWREG(port + GPIO_O_PCTL) = (HWREG(port + GPIO_O_PCTL) & ~pctl_mask) | pctl; + } + + mask >>= 1; + if (!mask) { + return; + } + + dir <<= 1; + afsel <<= 1; + dr2r <<= 1; + dr4r <<= 1; + dr8r <<= 1; + odr <<= 1; + pur <<= 1; + pdr <<= 1; + slr <<= 1; + den <<= 1; + amsel <<= 1; + pctl <<= 4; + + bit++; + } +} + +#if PAL_USE_CALLBACKS || PAL_USE_WAIT || defined(__DOXYGEN__) +/** + * @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 + */ +void _pal_lld_enablepadevent(ioportid_t port, + iopadid_t pad, + ioeventmode_t mode) +{ + //uint8_t portidx; + uint32_t padmask; + + //portidx = (((uint32_t)port - (uint32_t)GPIOA) >> 12) & 0x1FU; + padmask = (1 << pad); + + /* Disable interrupt before changing edge configuration.*/ + HWREG(port + GPIO_O_IM) &= ~padmask; + + /* Configure pin to be edge-sensitive.*/ + HWREG(port + GPIO_O_IS) &= ~(1 << pad); + + /* Configure edges */ + switch(mode & PAL_EVENT_MODE_EDGES_MASK) { + case PAL_EVENT_MODE_BOTH_EDGES: + HWREG(port + GPIO_O_IBE) |= padmask; + break; + case PAL_EVENT_MODE_RISING_EDGE: + HWREG(port + GPIO_O_IBE) &= ~padmask; + HWREG(port + GPIO_O_IEV) &= ~padmask; + break; + case PAL_EVENT_MODE_FALLING_EDGE: + HWREG(port + GPIO_O_IBE) &= ~padmask; + HWREG(port + GPIO_O_IEV) |= padmask; + break; + default: + /* Interrupt is already disabled */ + break; + } + + if (mode & PAL_EVENT_MODE_EDGES_MASK) { + /* Enable interrupt for this pad */ + HWREG(port + GPIO_O_IM) |= padmask; + } +} + +/** + * @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 + */ +void _pal_lld_disablepadevent(ioportid_t port, iopadid_t pad) +{ + uint8_t portidx; + uint8_t eventidx; + + portidx = (((uint32_t)port - (uint32_t)GPIOA) >> 12) & 0x1FU; + + eventidx = portidx * 8 + pad; + + HWREG(port + GPIO_O_IM) &= ~(1 << pad); + +#if PAL_USE_CALLBACKS || PAL_USE_WAIT + /* Callback cleared and/or thread reset.*/ + _pal_clear_event(eventidx); +#endif +} + +/** + * @brief Disables GPIO IRQ sources. + */ +void pal_lld_disable_irqs(void) +{ +#if TIVA_HAS_GPIOA + nvicDisableVector(TIVA_GPIOA_NUMBER); +#endif +#if TIVA_HAS_GPIOB + nvicDisableVector(TIVA_GPIOB_NUMBER); +#endif +#if TIVA_HAS_GPIOC + nvicDisableVector(TIVA_GPIOC_NUMBER); +#endif +#if TIVA_HAS_GPIOD + nvicDisableVector(TIVA_GPIOD_NUMBER); +#endif +#if TIVA_HAS_GPIOE + nvicDisableVector(TIVA_GPIOE_NUMBER); +#endif +#if TIVA_HAS_GPIOF + nvicDisableVector(TIVA_GPIOF_NUMBER); +#endif +#if TIVA_HAS_GPIOG + nvicDisableVector(TIVA_GPIOG_NUMBER); +#endif +#if TIVA_HAS_GPIOH + nvicDisableVector(TIVA_GPIOH_NUMBER); +#endif +#if TIVA_HAS_GPIOJ + nvicDisableVector(TIVA_GPIOJ_NUMBER); +#endif +#if TIVA_HAS_GPIOK + nvicDisableVector(TIVA_GPIOK_NUMBER); +#endif +#if TIVA_HAS_GPIOL + nvicDisableVector(TIVA_GPIOL_NUMBER); +#endif +#if TIVA_HAS_GPIOM + nvicDisableVector(TIVA_GPIOM_NUMBER); +#endif +#if TIVA_HAS_GPION + nvicDisableVector(TIVA_GPION_NUMBER); +#endif +#if TIVA_HAS_GPIOP + nvicDisableVector(TIVA_GPIOP0_NUMBER); + nvicDisableVector(TIVA_GPIOP1_NUMBER); + nvicDisableVector(TIVA_GPIOP2_NUMBER); + nvicDisableVector(TIVA_GPIOP3_NUMBER); + nvicDisableVector(TIVA_GPIOP4_NUMBER); + nvicDisableVector(TIVA_GPIOP5_NUMBER); + nvicDisableVector(TIVA_GPIOP6_NUMBER); + nvicDisableVector(TIVA_GPIOP7_NUMBER); +#endif +#if TIVA_HAS_GPIOQ + nvicDisableVector(TIVA_GPIOQ0_NUMBER); + nvicDisableVector(TIVA_GPIOQ1_NUMBER); + nvicDisableVector(TIVA_GPIOQ2_NUMBER); + nvicDisableVector(TIVA_GPIOQ3_NUMBER); + nvicDisableVector(TIVA_GPIOQ4_NUMBER); + nvicDisableVector(TIVA_GPIOQ5_NUMBER); + nvicDisableVector(TIVA_GPIOQ6_NUMBER); + nvicDisableVector(TIVA_GPIOQ7_NUMBER); +#endif +#if TIVA_HAS_GPIOR + nvicDisableVector(TIVA_GPIOR_NUMBER); +#endif +#if TIVA_HAS_GPIOS + nvicDisableVector(TIVA_GPIOS_NUMBER); +#endif +#if TIVA_HAS_GPIOT + nvicDisableVector(TIVA_GPIOT_NUMBER); +#endif +} +#endif /* PAL_USE_CALLBACKS || PAL_USE_WAIT */ + +#endif /* HAL_USE_PAL */ + +/** + * @} + */ |