alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-09 12:35:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

driver: Add PCNT code

Browse Source 
1. add PCNT module in periph_ctrl.c/.h
2. add description of PCNT status in pcnt_struct.h
3. add PCNT driver code
4. add PCNT example code.
This commit is contained in:
Wangjialin
2016-11-21 18:17:07 +08:00
parent 311a4cd678
commit 1cc1d9d721
8 changed files with 834 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
components/esp32/include/soc/pcnt_struct.h
View File

@@ -113,7 +113,18 @@ typedef volatile struct {
};
uint32_t val;
} int_clr;
uint32_t status_unit[8];
union {
struct {
uint32_t cnt_mode:2; /*0: positive value to zero; 1: negative value to zero; 2: counter value negative ; 3: counter value positive*/
uint32_t thres1_lat:1; /* counter value equals to thresh1*/
uint32_t thres0_lat:1; /* counter value equals to thresh0*/
uint32_t l_lim_lat:1; /* counter value reaches h_lim*/
uint32_t h_lim_lat:1; /* counter value reaches l_lim*/
uint32_t zero_lat:1; /* counter value equals zero*/
uint32_t reserved7:25;
};
uint32_t val;
} status_unit[8];
union {
struct {
uint32_t cnt_rst_u0: 1; /*Set this bit to clear unit0's counter.*/