87 lines
2.3 KiB
C
87 lines
2.3 KiB
C
#include "gpio.h"
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//#include "hal.h"
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#include "bsp_hal.h"
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struct gpio_dev_t *gpio_p;
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//static void _gpio_lisr(int vector)
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//{
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// DEBUG(0, 1, "Enter\n");
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// if (vector != IRQ_GPIO_VECTOR)
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// hal_system_error(HAL_ERR_UNHANDLED_INTERRUPT);
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//
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// /* Disable GPIO interrupt */
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// uint32_t prv_msk = hal_intc_irq_mask(IRQ_GPIO_VECTOR);
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//
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// /* Get int state and then clear it */
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// unsigned int int_sr = IN32(GPIOC_INT_RAW_STATE);
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// gpio_p->int_data = int_sr;
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// OUT32(GPIOC_INT_CLEAR, int_sr);
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//
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// /* Clean GPIO pending */
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// hal_intc_irq_clean(IRQ_GPIO_VECTOR);
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//
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// /* Enable higher priority interrupt */
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// /* comment it to disable nested interrupt */
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// GIE_ENABLE();
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// hal_raise_bh(&gpio_p->hisr);
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//
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// GIE_DISABLE();
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// /* - Enable GPIO interrupt */
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// hal_intc_irq_unmask(prv_msk);
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//}
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int gpio_init(struct gpio_dev_t *gpio)
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{
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// int status = HAL_SUCCESS;
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// int core_intl;
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//
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// /* initialize global gpio pointer */
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// gpio_p = gpio;
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// core_intl = hal_global_int_ctl(HAL_DISABLE_INTERRUPTS);
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//
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// /* INTC */
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// // - Disable GPIO interrupt
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// hal_intc_irq_disable(IRQ_GPIO_VECTOR);
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// // - Clear GPIO interrupt status
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// hal_intc_irq_clean(IRQ_GPIO_VECTOR);
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// // - Setup #PENIRQ trigger mode - edge trigger
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// // - Setup #PENIRQ trigger level - active high
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// hal_intc_irq_config(IRQ_GPIO_VECTOR, IRQ_EDGE_TRIGGER, IRQ_ACTIVE_HIGH);
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//
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//
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// /* GPIO */
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// /* falling, interrupt when pressed */
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// //OUT32(GPIOC_INT_RISE_NEG, 0xFFFFFFFF);
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// /* rising, interrupt when released */
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// OUT32(GPIOC_INT_RISE_NEG, 0x0);
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// /* enable all gpio interrupt GPIO1-5*/
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// OUT32(GPIOC_INT_ENABLE, 0x3E);
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// /* set the max value to debounce */
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// OUT32(GPIOC_INT_BOUNCE_PRESCALE, 0xFFFF);
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// /* enable debounce */
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// OUT32(GPIOC_INT_BOUNCE_ENABLE, 0x3E);
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//
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// status = hal_register_isr(IRQ_GPIO_VECTOR, _gpio_lisr, (void*)0);
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//
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// if (status != HAL_SUCCESS){
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// DEBUG(1, 1, "Failed to register GPIO driver LISR!\n");
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// return status;
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// }
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//
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// status = hal_create_bh(&gpio->hisr);
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// if (status != HAL_SUCCESS){
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// DEBUG(1, 1, "Failed to create GPIO driver HISR!\n");
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// return status;
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// }
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//
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// // - Enable GPIO interrupt
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// hal_intc_irq_enable(IRQ_GPIO_VECTOR);
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//
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// /* Restore CPU interrupt controller to previous level */
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// hal_global_int_ctl(core_intl);
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// return status;
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return 0;
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}
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