暂存

app/by_stepper.c

@@ -0,0 +1,41 @@
+#include "by_stepper.h"
+
+#include <string.h>
+#include <dwt_delay.h>
+#include "by_debug.h"
+
+// TODO 是否增加一个动作列表？一般都比较简单吧
+
+struct by_stepper_t {
+    uint8_t dir;
+    stepper_speed_t speed;
+};
+
+struct by_stepper_t by_stepper;
+
+void by_stepper_init(void)
+{
+    memset(&by_stepper, 0x00, sizeof(by_stepper));
+}
+
+void by_stepper_set_dir(uint8_t dir)
+{
+    by_stepper.dir = dir;
+}
+
+void by_stepper_set_speed(stepper_speed_t speed)
+{
+    by_stepper.speed = speed;
+}
+
+void by_stepper_run(void)
+{
+    // 根据预设条件发送脉冲
+    gpio_bits_write(GPIOA, GPIO_PINS_8, by_stepper.dir ? TRUE : FALSE);                    // DIR
+    gpio_bits_write(GPIOB, GPIO_PINS_15, !gpio_output_data_bit_read(GPIOB, GPIO_PINS_15)); // CLK
+    DWT_Delay(40U * (uint16_t)by_stepper.speed);
+}
+
+void by_stepper_stop(void)
+{
+}