//实时和需要直接和控制接口的主要步进程序。 // Reload step segment buffer 重新加载步段缓冲 if (sys.state & (STATE_CYCLE | STATE_HOLD | STATE_MOTION_CANCEL | STATE_SAFETY_DOOR | STATE_HOMING)) { st_prep_buffer(); } // If safety door was opened, actively check when safety door is cl...
这里是重点,我们进入到st_prep_buffer中去。 while (segment_buffer_tail != segment_next_head) {} 1. 先看看这个数据结构是什么样子的,直接在stepper.c文件下搜索segment_next_head,可找到segment_buffer_tail = segment_buffer_head = &segment_buffer[0]; 先来看看它所在的函数 st_reset,st_reset函数也是...
的队列。st_prep_buffer()函数是GRBL中最难理解的。不过也不超过 320行。5.GRBL主要是两条线，main(...
//开辟新的队列st_block_buffer存放新线段拆分时间片计算过程数据 st_prep_block = &st_block_buffer[prep.st_block_index]; //记录线段每个轴的运行方向 st_prep_block->direction_bits = pl_block->direction_bits; //AMASS功能用于平滑脉冲频率太慢的线段,如果AMASS功能使能,线段步数放大MAX_AMASS_LEVEL倍,...
mm_remaining > prep.mm_complete)这个流程只运行一次，然后重复运行st_prep_buffer()，重复运行do{}...
st_prep_buffer(); // Check and prep segment buffer. NOTE: Should take no longer than 200us.// Exit routines: No time to run protocol_execute_realtime() in this loop. if (sys.rt_exec_state & (EXEC_SAFETY_DOOR | EXEC_RESET | EXEC_CYCLE_STOP)) {...
grbl源码详解 st_prep_buffer 【超极品尾盘王】【下午打分1支】【牛股利器】 实战精品,排序取值第一 AI金皇冠 [金钻指标-技术共享交流论坛] 本帖最后由 他是夜龙 于 2024-7-29 23:05 编辑 【超极品尾盘王】【下午打分1支】【牛股利器】 实战精品,排序取值第一 AI金皇冠,沪深A股范围下午14:20分前后打分...
static uint8_t next_buffer_head; // Index of the next buffer head static uint8_t block_buffer_planned; // Index of the optimally planned block // Define planner variables typedef struct { int32_t position[N_AXIS]; // The planner position of the tool in absolute steps. Kept separ...
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void st_prep_buffer() { //线段拆分成多个DT时间片,每个时间片轴运行的总步数和每步需要的时间存放在segment_buffer队里中,while循环判断这个队列是否满,如果满了就退出循环,没满继续把线段拆分的时间片存入队列 while (segment_buffer_tail != segment_next_head) { ...