aboutsummaryrefslogtreecommitdiffstats
path: root/os/hal/ports/TIVA/LLD/GPIO/hal_pal_lld.c
diff options
context:
space:
mode:
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.c850
1 files changed, 771 insertions, 79 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
index 41fb3cd..7a222e4 100644
--- a/os/hal/ports/TIVA/LLD/GPIO/hal_pal_lld.c
+++ b/os/hal/ports/TIVA/LLD/GPIO/hal_pal_lld.c
@@ -32,196 +32,121 @@
#if TIVA_HAS_GPIOA || defined(__DOXYGEN__)
#define GPIOA_BIT (1 << 0)
-#if TIVA_GPIO_GPIOA_USE_AHB && defined(TM4C123x)
-#define GPIOA_AHB_BIT (1 << 0)
-#else
-#define GPIOA_AHB_BIT 0
-#endif
#else
#define GPIOA_BIT 0
-#define GPIOA_AHB_BIT 0
#endif
#if TIVA_HAS_GPIOB || defined(__DOXYGEN__)
#define GPIOB_BIT (1 << 1)
-#if TIVA_GPIO_GPIOB_USE_AHB && defined(TM4C123x)
-#define GPIOB_AHB_BIT (1 << 1)
-#else
-#define GPIOB_AHB_BIT 0
-#endif
#else
#define GPIOB_BIT 0
-#define GPIOB_AHB_BIT 0
#endif
#if TIVA_HAS_GPIOC || defined(__DOXYGEN__)
#define GPIOC_BIT (1 << 2)
-#if TIVA_GPIO_GPIOC_USE_AHB && defined(TM4C123x)
-#define GPIOC_AHB_BIT (1 << 2)
-#else
-#define GPIOC_AHB_BIT 0
-#endif
#else
#define GPIOC_BIT 0
-#define GPIOC_AHB_BIT 0
#endif
#if TIVA_HAS_GPIOD || defined(__DOXYGEN__)
#define GPIOD_BIT (1 << 3)
-#if TIVA_GPIO_GPIOD_USE_AHB && defined(TM4C123x)
-#define GPIOD_AHB_BIT (1 << 3)
-#else
-#define GPIOD_AHB_BIT 0
-#endif
#else
#define GPIOD_BIT 0
-#define GPIOD_AHB_BIT 0
#endif
#if TIVA_HAS_GPIOE || defined(__DOXYGEN__)
#define GPIOE_BIT (1 << 4)
-#if TIVA_GPIO_GPIOE_USE_AHB && defined(TM4C123x)
-#define GPIOE_AHB_BIT (1 << 4)
-#else
-#define GPIOE_AHB_BIT 0
-#endif
#else
#define GPIOE_BIT 0
-#define GPIOE_AHB_BIT 0
#endif
#if TIVA_HAS_GPIOF || defined(__DOXYGEN__)
#define GPIOF_BIT (1 << 5)
-#if TIVA_GPIO_GPIOF_USE_AHB && defined(TM4C123x)
-#define GPIOF_AHB_BIT (1 << 5)
-#else
-#define GPIOF_AHB_BIT 0
-#endif
#else
#define GPIOF_BIT 0
-#define GPIOF_AHB_BIT 0
#endif
#if TIVA_HAS_GPIOG || defined(__DOXYGEN__)
#define GPIOG_BIT (1 << 6)
-#if TIVA_GPIO_GPIOG_USE_AHB && defined(TM4C123x)
-#define GPIOG_AHB_BIT (1 << 6)
-#else
-#define GPIOG_AHB_BIT 0
-#endif
#else
#define GPIOG_BIT 0
-#define GPIOG_AHB_BIT 0
#endif
#if TIVA_HAS_GPIOH || defined(__DOXYGEN__)
#define GPIOH_BIT (1 << 7)
-#if TIVA_GPIO_GPIOH_USE_AHB && defined(TM4C123x)
-#define GPIOH_AHB_BIT (1 << 7)
-#else
-#define GPIOH_AHB_BIT 0
-#endif
#else
#define GPIOH_BIT 0
-#define GPIOH_AHB_BIT 0
#endif
#if TIVA_HAS_GPIOJ || defined(__DOXYGEN__)
#define GPIOJ_BIT (1 << 8)
-#if TIVA_GPIO_GPIOJ_USE_AHB && defined(TM4C123x)
-#define GPIOJ_AHB_BIT (1 << 8)
-#else
-#define GPIOJ_AHB_BIT 0
-#endif
#else
#define GPIOJ_BIT 0
-#define GPIOJ_AHB_BIT 0
#endif
#if TIVA_HAS_GPIOK || defined(__DOXYGEN__)
#define GPIOK_BIT (1 << 9)
-#define GPIOK_AHB_BIT (1 << 9)
#else
#define GPIOK_BIT 0
-#define GPIOK_AHB_BIT 0
#endif
#if TIVA_HAS_GPIOL || defined(__DOXYGEN__)
#define GPIOL_BIT (1 << 10)
-#define GPIOL_AHB_BIT (1 << 10)
#else
#define GPIOL_BIT 0
-#define GPIOL_AHB_BIT 0
#endif
#if TIVA_HAS_GPIOM || defined(__DOXYGEN__)
#define GPIOM_BIT (1 << 11)
-#define GPIOM_AHB_BIT (1 << 11)
#else
#define GPIOM_BIT 0
-#define GPIOM_AHB_BIT 0
#endif
#if TIVA_HAS_GPION || defined(__DOXYGEN__)
#define GPION_BIT (1 << 12)
-#define GPION_AHB_BIT (1 << 12)
#else
#define GPION_BIT 0
-#define GPION_AHB_BIT 0
#endif
#if TIVA_HAS_GPIOP || defined(__DOXYGEN__)
#define GPIOP_BIT (1 << 13)
-#define GPIOP_AHB_BIT (1 << 13)
#else
#define GPIOP_BIT 0
-#define GPIOP_AHB_BIT 0
#endif
#if TIVA_HAS_GPIOQ || defined(__DOXYGEN__)
#define GPIOQ_BIT (1 << 14)
-#define GPIOQ_AHB_BIT (1 << 14)
#else
#define GPIOQ_BIT 0
-#define GPIOQ_AHB_BIT 0
#endif
#if TIVA_HAS_GPIOR || defined(__DOXYGEN__)
#define GPIOR_BIT (1 << 15)
-#define GPIOR_AHB_BIT (1 << 15)
#else
#define GPIOR_BIT 0
-#define GPIOR_AHB_BIT 0
#endif
#if TIVA_HAS_GPIOS || defined(__DOXYGEN__)
#define GPIOS_BIT (1 << 16)
-#define GPIOS_AHB_BIT (1 << 16)
#else
#define GPIOS_BIT 0
-#define GPIOS_AHB_BIT 0
#endif
#if TIVA_HAS_GPIOT || defined(__DOXYGEN__)
#define GPIOT_BIT (1 << 17)
-#define GPIOT_AHB_BIT (1 << 17)
#else
#define GPIOT_BIT 0
-#define GPIOT_AHB_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 | GPIOR_BIT)
+ GPIOS_BIT | GPIOT_BIT)
-#define GPIOHBCTL_MASK (GPIOA_AHB_BIT | GPIOB_AHB_BIT | GPIOC_AHB_BIT | \
- GPIOD_AHB_BIT | GPIOE_AHB_BIT | GPIOF_AHB_BIT | \
- GPIOG_AHB_BIT | GPIOH_AHB_BIT | GPIOJ_AHB_BIT | \
- GPIOK_AHB_BIT | GPIOL_AHB_BIT | GPIOM_AHB_BIT | \
- GPION_AHB_BIT | GPIOP_AHB_BIT | GPIOQ_AHB_BIT | \
- GPIOR_AHB_BIT | GPIOS_AHB_BIT | GPIOT_AHB_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)
@@ -231,6 +156,11 @@
/* Driver exported variables. */
/*===========================================================================*/
+/**
+ * @brief Event records for all GPIO channels.
+ */
+palevent_t _pal_events[TIVA_GPIO_PINS];
+
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
@@ -276,10 +206,608 @@ static void gpio_unlock(ioportid_t port, ioportmask_t mask)
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. */
/*===========================================================================*/
@@ -294,6 +822,14 @@ static void gpio_unlock(ioportid_t port, ioportmask_t mask)
*/
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.
*/
@@ -366,6 +902,9 @@ void _pal_lld_init(const PALConfig *config)
#if TIVA_HAS_GPIOT || defined(__DOXYGEN__)
gpio_init(GPIOT, &config->PTData);
#endif
+#if PAL_USE_CALLBACKS || PAL_USE_WAIT
+ gpio_irq_enable();
+#endif
}
/**
@@ -436,6 +975,159 @@ void _pal_lld_setgroupmode(ioportid_t port, ioportmask_t mask, iomode_t mode)
}
}
+#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 */
/**