z 信号中断，如果发现无法校准需要置位编码器AB错误，切换到无感

Signed-off-by: huhui <huhui@sharkgulf.com>

Applications/foc/motor/encoder.c

@@ -406,6 +406,8 @@ void ENC_ABI_IRQHandler(void) {
 	}else {
 		if (g_encoder.z_index_cnt <=10 || g_encoder.z_index_cnt >= (g_encoder.cpr - 10)) {
 			g_encoder.align_cnt = 0;
+		}else if (g_encoder.enc_maybe_err == ENCODER_NO_ERR){
+			g_encoder.enc_maybe_err = ENCODER_AB_ERR;
 		}
 	}
 #endif