drv_gpio.c 1.9 KB

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  1. /*
  2. * Copyright (c) 2021-2022, RT-Thread Development Team
  3. *
  4. * SPDX-License-Identifier: Apache-2.0
  5. *
  6. * Change Logs:
  7. * Date Author Notes
  8. * 2022-06-03 supperthomas first version
  9. *
  10. */
  11. #include <rtthread.h>
  12. #include <rtdevice.h>
  13. #include "driver/gpio.h"
  14. #ifdef RT_USING_PIN
  15. static void mcu_pin_write(rt_device_t dev, rt_base_t pin, rt_uint8_t value)
  16. {
  17. gpio_set_level(pin, value);
  18. /*TODO:set gpio out put mode */
  19. }
  20. static rt_int8_t mcu_pin_read(rt_device_t dev, rt_base_t pin)
  21. {
  22. rt_int8_t value;
  23. value = gpio_get_level(pin);
  24. return value;
  25. }
  26. static void mcu_pin_mode(rt_device_t dev, rt_base_t pin, rt_uint8_t mode)
  27. {
  28. gpio_config_t io_conf;
  29. io_conf.intr_type = GPIO_INTR_DISABLE;
  30. io_conf.mode = GPIO_MODE_OUTPUT;
  31. io_conf.pin_bit_mask = (1ULL << pin);
  32. io_conf.pull_down_en = 0;
  33. io_conf.pull_up_en = 0;
  34. gpio_config(&io_conf);
  35. if (mode == PIN_MODE_OUTPUT)
  36. {
  37. gpio_set_direction(pin, GPIO_MODE_OUTPUT);
  38. }
  39. /*TODO:set gpio out put mode */
  40. }
  41. static rt_err_t mcu_pin_attach_irq(struct rt_device *device, rt_base_t pin,
  42. rt_uint8_t irq_mode, void (*hdr)(void *args), void *args)
  43. {
  44. /*TODO: start irq handle */
  45. return -RT_ENOSYS;
  46. }
  47. static rt_err_t mcu_pin_detach_irq(struct rt_device *device, rt_int32_t pin)
  48. {
  49. /*TODO:disable gpio irq handle */
  50. return RT_EOK;
  51. }
  52. static rt_err_t mcu_pin_irq_enable(struct rt_device *device, rt_base_t pin,
  53. rt_uint8_t enabled)
  54. {
  55. /*TODO:start irq handle */
  56. return RT_EOK;
  57. }
  58. const static struct rt_pin_ops _mcu_pin_ops =
  59. {
  60. mcu_pin_mode,
  61. mcu_pin_write,
  62. mcu_pin_read,
  63. mcu_pin_attach_irq,
  64. mcu_pin_detach_irq,
  65. mcu_pin_irq_enable,
  66. RT_NULL,
  67. };
  68. int rt_hw_pin_init(void)
  69. {
  70. /*TODO: INIT THE GPIO CLOCK AND OTHER */
  71. return rt_device_pin_register("pin", &_mcu_pin_ops, RT_NULL);
  72. }
  73. INIT_BOARD_EXPORT(rt_hw_pin_init);
  74. #endif /* RT_USING_PIN */