参考代码

components/system/include/drivers/chip/cmp.h

@@ -0,0 +1,57 @@
+#ifndef __HAL_CMP_H__
+#define __HAL_CMP_H__
+
+#include "drivers/chip/_hal.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+typedef void (*cmp_isr_cb_fn)(void);
+
+typedef enum __packed
+{
+    _CMP_OUTPUT_NONE, // 没有任何输出动作
+    _CMP_OUTPUT_IO,   // 输出到 IO
+    _CMP_OUTPUT_EXTI, // 触发 中断线
+    _CMP_OUTPUT_TIM,  // 触发 定时器的输入
+} cmp_output_t;
+
+typedef enum __packed
+{
+    _CMP_INT_EDGE_NONE,
+    _CMP_INT_EDGE_FALL,
+    _CMP_INT_EDGE_RISE,
+    _CMP_INT_EDGE_BOTH,
+} cmp_int_edge_t;
+
+void drv_cmp_pin_configure_in(hal_id_t id, uint8_t pin);
+void drv_cmp_pin_configure_out(hal_id_t id, uint8_t pin);
+
+void drv_cmp_enable(hal_id_t id);
+void drv_cmp_disable(hal_id_t id);
+
+void drv_cmp_init(hal_id_t id, cmp_output_t output);
+void drv_cmp_deinit(hal_id_t id);
+
+int drv_cmp_get_out_value(hal_id_t id);
+
+int drv_cmp_irq_callback_enable(hal_id_t id, cmp_isr_cb_fn cb);
+int drv_cmp_irq_callback_disable(hal_id_t id);
+
+void drv_cmp_irq_enable(hal_id_t id, cmp_int_edge_t edge, int priority);
+void drv_cmp_irq_disable(hal_id_t id);
+
+void drv_cmp_start(hal_id_t id);
+void drv_cmp_stop(hal_id_t id);
+
+void drv_cmp_set_cmp_value(hal_id_t id, uint16_t value);
+
+uint8_t drv_cmp_read(hal_id_t id);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif