1 /******************************************************************************************************************************************
2 * 文件名称: SWM341_cordic.c
3 * 功能说明: SWM341单片机的CORDIC功能驱动库
4 * 技术支持: http://www.synwit.com.cn/e/tool/gbook/?bid=1
5 * 注意事项:
6 * 版本日期: V1.0.0 2016年1月30日
7 * 升级记录:
8 *
9 *
10 *******************************************************************************************************************************************
11 * @attention
12 *
13 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH CODING INFORMATION
14 * REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. AS A RESULT, SYNWIT SHALL NOT BE HELD LIABLE
15 * FOR ANY DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
16 * OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION CONTAINED HEREIN IN CONN-
17 * -ECTION WITH THEIR PRODUCTS.
18 *
19 * COPYRIGHT 2012 Synwit Technology
20 *******************************************************************************************************************************************/
21 #include "SWM341.h"
22 #include "SWM341_cordic.h"
23
24
25 /******************************************************************************************************************************************
26 * 函数名称: CORDIC_Init()
27 * 功能说明: CORDIC初始化
28 * 输 入: CORDIC_TypeDef * CORDICx 指定要被设置的CORDIC，有效值包括CORDIC
29 * 输 出: 无
30 * 注意事项: CORDIC模块依赖DIV模块，因为CORDIC_Arctan()要使用硬件除法模块计算参数值
31 ******************************************************************************************************************************************/
CORDIC_Init(CORDIC_TypeDef * CORDICx)32 void CORDIC_Init(CORDIC_TypeDef * CORDICx)
33 {
34 switch((uint32_t)CORDICx)
35 {
36 case ((uint32_t)CORDIC):
37 SYS->CLKEN0 |= (0x01 << SYS_CLKEN0_CORDIC_Pos);
38 break;
39 }
40 }
41