timer.c 22 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489
  1. // Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD
  2. //
  3. // Licensed under the Apache License, Version 2.0 (the "License");
  4. // you may not use this file except in compliance with the License.
  5. // You may obtain a copy of the License at
  6. // http://www.apache.org/licenses/LICENSE-2.0
  7. //
  8. // Unless required by applicable law or agreed to in writing, software
  9. // distributed under the License is distributed on an "AS IS" BASIS,
  10. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  11. // See the License for the specific language governing permissions and
  12. // limitations under the License.
  13. #include <string.h>
  14. #include "esp_log.h"
  15. #include "esp_err.h"
  16. #include "esp_intr_alloc.h"
  17. #include "freertos/FreeRTOS.h"
  18. #include "driver/timer.h"
  19. #include "driver/periph_ctrl.h"
  20. #include "hal/timer_hal.h"
  21. #include "soc/timer_periph.h"
  22. #include "soc/rtc.h"
  23. static const char *TIMER_TAG = "timer_group";
  24. #define TIMER_CHECK(a, str, ret_val) \
  25. if (!(a)) { \
  26. ESP_LOGE(TIMER_TAG,"%s(%d): %s", __FUNCTION__, __LINE__, str); \
  27. return (ret_val); \
  28. }
  29. #define TIMER_GROUP_NUM_ERROR "TIMER GROUP NUM ERROR"
  30. #define TIMER_NUM_ERROR "HW TIMER NUM ERROR"
  31. #define TIMER_PARAM_ADDR_ERROR "HW TIMER PARAM ADDR ERROR"
  32. #define TIMER_NEVER_INIT_ERROR "HW TIMER NEVER INIT ERROR"
  33. #define TIMER_COUNT_DIR_ERROR "HW TIMER COUNTER DIR ERROR"
  34. #define TIMER_AUTORELOAD_ERROR "HW TIMER AUTORELOAD ERROR"
  35. #define TIMER_SCALE_ERROR "HW TIMER SCALE ERROR"
  36. #define TIMER_ALARM_ERROR "HW TIMER ALARM ERROR"
  37. #define DIVIDER_RANGE_ERROR "HW TIMER divider outside of [2, 65536] range error"
  38. #define TIMER_ENTER_CRITICAL(mux) portENTER_CRITICAL_SAFE(mux);
  39. #define TIMER_EXIT_CRITICAL(mux) portEXIT_CRITICAL_SAFE(mux);
  40. typedef struct {
  41. timer_isr_t fn; /*!< isr function */
  42. void *args; /*!< isr function args */
  43. timer_isr_handle_t timer_isr_handle; /*!< interrupt handle */
  44. timer_group_t isr_timer_group; /*!< timer group of interrupt triggered */
  45. } timer_isr_func_t;
  46. typedef struct {
  47. timer_hal_context_t hal;
  48. timer_isr_func_t timer_isr_fun;
  49. } timer_obj_t;
  50. static timer_obj_t *p_timer_obj[TIMER_GROUP_MAX][TIMER_MAX] = {0};
  51. static portMUX_TYPE timer_spinlock[TIMER_GROUP_MAX] = {portMUX_INITIALIZER_UNLOCKED, portMUX_INITIALIZER_UNLOCKED};
  52. esp_err_t timer_get_counter_value(timer_group_t group_num, timer_idx_t timer_num, uint64_t *timer_val)
  53. {
  54. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  55. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  56. TIMER_CHECK(timer_val != NULL, TIMER_PARAM_ADDR_ERROR, ESP_ERR_INVALID_ARG);
  57. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  58. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  59. timer_hal_get_counter_value(&(p_timer_obj[group_num][timer_num]->hal), timer_val);
  60. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  61. return ESP_OK;
  62. }
  63. esp_err_t timer_get_counter_time_sec(timer_group_t group_num, timer_idx_t timer_num, double *time)
  64. {
  65. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  66. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  67. TIMER_CHECK(time != NULL, TIMER_PARAM_ADDR_ERROR, ESP_ERR_INVALID_ARG);
  68. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  69. uint64_t timer_val;
  70. esp_err_t err = timer_get_counter_value(group_num, timer_num, &timer_val);
  71. if (err == ESP_OK) {
  72. uint32_t div;
  73. timer_hal_get_divider(&(p_timer_obj[group_num][timer_num]->hal), &div);
  74. *time = (double)timer_val * div / rtc_clk_apb_freq_get();
  75. #if SOC_TIMER_GROUP_SUPPORT_XTAL
  76. if (timer_hal_get_use_xtal(&(p_timer_obj[group_num][timer_num]->hal))) {
  77. *time = (double)timer_val * div / ((int)rtc_clk_xtal_freq_get() * 1000000);
  78. }
  79. #endif
  80. }
  81. return err;
  82. }
  83. esp_err_t timer_set_counter_value(timer_group_t group_num, timer_idx_t timer_num, uint64_t load_val)
  84. {
  85. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  86. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  87. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  88. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  89. timer_hal_set_counter_value(&(p_timer_obj[group_num][timer_num]->hal), load_val);
  90. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  91. return ESP_OK;
  92. }
  93. esp_err_t timer_start(timer_group_t group_num, timer_idx_t timer_num)
  94. {
  95. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  96. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  97. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  98. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  99. timer_hal_set_counter_enable(&(p_timer_obj[group_num][timer_num]->hal), TIMER_START);
  100. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  101. return ESP_OK;
  102. }
  103. esp_err_t timer_pause(timer_group_t group_num, timer_idx_t timer_num)
  104. {
  105. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  106. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  107. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  108. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  109. timer_hal_set_counter_enable(&(p_timer_obj[group_num][timer_num]->hal), TIMER_PAUSE);
  110. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  111. return ESP_OK;
  112. }
  113. esp_err_t timer_set_counter_mode(timer_group_t group_num, timer_idx_t timer_num, timer_count_dir_t counter_dir)
  114. {
  115. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  116. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  117. TIMER_CHECK(counter_dir < TIMER_COUNT_MAX, TIMER_COUNT_DIR_ERROR, ESP_ERR_INVALID_ARG);
  118. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  119. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  120. timer_hal_set_counter_increase(&(p_timer_obj[group_num][timer_num]->hal), counter_dir);
  121. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  122. return ESP_OK;
  123. }
  124. esp_err_t timer_set_auto_reload(timer_group_t group_num, timer_idx_t timer_num, timer_autoreload_t reload)
  125. {
  126. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  127. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  128. TIMER_CHECK(reload < TIMER_AUTORELOAD_MAX, TIMER_AUTORELOAD_ERROR, ESP_ERR_INVALID_ARG);
  129. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  130. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  131. timer_hal_set_auto_reload(&(p_timer_obj[group_num][timer_num]->hal), reload);
  132. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  133. return ESP_OK;
  134. }
  135. esp_err_t timer_set_divider(timer_group_t group_num, timer_idx_t timer_num, uint32_t divider)
  136. {
  137. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  138. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  139. TIMER_CHECK(divider > 1 && divider < 65537, DIVIDER_RANGE_ERROR, ESP_ERR_INVALID_ARG);
  140. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  141. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  142. timer_hal_set_divider(&(p_timer_obj[group_num][timer_num]->hal), (uint16_t) divider);
  143. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  144. return ESP_OK;
  145. }
  146. esp_err_t timer_set_alarm_value(timer_group_t group_num, timer_idx_t timer_num, uint64_t alarm_value)
  147. {
  148. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  149. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  150. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  151. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  152. timer_hal_set_alarm_value(&(p_timer_obj[group_num][timer_num]->hal), alarm_value);
  153. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  154. return ESP_OK;
  155. }
  156. esp_err_t timer_get_alarm_value(timer_group_t group_num, timer_idx_t timer_num, uint64_t *alarm_value)
  157. {
  158. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  159. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  160. TIMER_CHECK(alarm_value != NULL, TIMER_PARAM_ADDR_ERROR, ESP_ERR_INVALID_ARG);
  161. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  162. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  163. timer_hal_get_alarm_value(&(p_timer_obj[group_num][timer_num]->hal), alarm_value);
  164. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  165. return ESP_OK;
  166. }
  167. esp_err_t timer_set_alarm(timer_group_t group_num, timer_idx_t timer_num, timer_alarm_t alarm_en)
  168. {
  169. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  170. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  171. TIMER_CHECK(alarm_en < TIMER_ALARM_MAX, TIMER_ALARM_ERROR, ESP_ERR_INVALID_ARG);
  172. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  173. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  174. timer_hal_set_alarm_enable(&(p_timer_obj[group_num][timer_num]->hal), alarm_en);
  175. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  176. return ESP_OK;
  177. }
  178. static void IRAM_ATTR timer_isr_default(void *arg)
  179. {
  180. bool is_awoken = false;
  181. timer_obj_t *timer_obj = (timer_obj_t *)arg;
  182. if (timer_obj == NULL) {
  183. return;
  184. }
  185. if (timer_obj->timer_isr_fun.fn == NULL) {
  186. return;
  187. }
  188. TIMER_ENTER_CRITICAL(&timer_spinlock[timer_obj->timer_isr_fun.isr_timer_group]);
  189. {
  190. uint32_t intr_status = 0;
  191. timer_hal_get_intr_status(&(timer_obj->hal), &intr_status);
  192. if (intr_status & BIT(timer_obj->hal.idx)) {
  193. is_awoken = timer_obj->timer_isr_fun.fn(timer_obj->timer_isr_fun.args);
  194. //Clear intrrupt status
  195. timer_hal_clear_intr_status(&(timer_obj->hal));
  196. //After the alarm has been triggered, we need enable it again, so it is triggered the next time.
  197. timer_hal_set_alarm_enable(&(timer_obj->hal), TIMER_ALARM_EN);
  198. }
  199. }
  200. TIMER_EXIT_CRITICAL(&timer_spinlock[timer_obj->timer_isr_fun.isr_timer_group]);
  201. if (is_awoken) {
  202. portYIELD_FROM_ISR();
  203. }
  204. }
  205. esp_err_t timer_isr_callback_add(timer_group_t group_num, timer_idx_t timer_num, timer_isr_t isr_handler, void *args, int intr_alloc_flags)
  206. {
  207. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  208. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  209. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  210. timer_disable_intr(group_num, timer_num);
  211. p_timer_obj[group_num][timer_num]->timer_isr_fun.fn = isr_handler;
  212. p_timer_obj[group_num][timer_num]->timer_isr_fun.args = args;
  213. p_timer_obj[group_num][timer_num]->timer_isr_fun.isr_timer_group = group_num;
  214. timer_isr_register(group_num, timer_num, timer_isr_default, (void *)p_timer_obj[group_num][timer_num],
  215. intr_alloc_flags, &(p_timer_obj[group_num][timer_num]->timer_isr_fun.timer_isr_handle));
  216. timer_enable_intr(group_num, timer_num);
  217. return ESP_OK;
  218. }
  219. esp_err_t timer_isr_callback_remove(timer_group_t group_num, timer_idx_t timer_num)
  220. {
  221. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  222. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  223. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  224. timer_disable_intr(group_num, timer_num);
  225. p_timer_obj[group_num][timer_num]->timer_isr_fun.fn = NULL;
  226. p_timer_obj[group_num][timer_num]->timer_isr_fun.args = NULL;
  227. esp_intr_free(p_timer_obj[group_num][timer_num]->timer_isr_fun.timer_isr_handle);
  228. return ESP_OK;
  229. }
  230. esp_err_t timer_isr_register(timer_group_t group_num, timer_idx_t timer_num,
  231. void (*fn)(void *), void *arg, int intr_alloc_flags, timer_isr_handle_t *handle)
  232. {
  233. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  234. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  235. TIMER_CHECK(fn != NULL, TIMER_PARAM_ADDR_ERROR, ESP_ERR_INVALID_ARG);
  236. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  237. uint32_t status_reg = 0;
  238. uint32_t mask = 0;
  239. timer_hal_get_status_reg_mask_bit(&(p_timer_obj[group_num][timer_num]->hal), &status_reg, &mask);
  240. return esp_intr_alloc_intrstatus(timer_group_periph_signals.groups[group_num].t0_irq_id + timer_num, intr_alloc_flags, status_reg, mask, fn, arg, handle);
  241. }
  242. esp_err_t timer_init(timer_group_t group_num, timer_idx_t timer_num, const timer_config_t *config)
  243. {
  244. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  245. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  246. TIMER_CHECK(config != NULL, TIMER_PARAM_ADDR_ERROR, ESP_ERR_INVALID_ARG);
  247. TIMER_CHECK(config->divider > 1 && config->divider < 65537, DIVIDER_RANGE_ERROR, ESP_ERR_INVALID_ARG);
  248. periph_module_enable(timer_group_periph_signals.groups[group_num].module);
  249. if (p_timer_obj[group_num][timer_num] == NULL) {
  250. p_timer_obj[group_num][timer_num] = (timer_obj_t *) heap_caps_calloc(1, sizeof(timer_obj_t), MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
  251. if (p_timer_obj[group_num][timer_num] == NULL) {
  252. ESP_LOGE(TIMER_TAG, "TIMER driver malloc error");
  253. return ESP_FAIL;
  254. }
  255. }
  256. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  257. timer_hal_init(&(p_timer_obj[group_num][timer_num]->hal), group_num, timer_num);
  258. timer_hal_intr_disable(&(p_timer_obj[group_num][timer_num]->hal));
  259. timer_hal_clear_intr_status(&(p_timer_obj[group_num][timer_num]->hal));
  260. timer_hal_set_auto_reload(&(p_timer_obj[group_num][timer_num]->hal), config->auto_reload);
  261. timer_hal_set_divider(&(p_timer_obj[group_num][timer_num]->hal), config->divider);
  262. timer_hal_set_counter_increase(&(p_timer_obj[group_num][timer_num]->hal), config->counter_dir);
  263. timer_hal_set_alarm_enable(&(p_timer_obj[group_num][timer_num]->hal), config->alarm_en);
  264. timer_hal_set_level_int_enable(&(p_timer_obj[group_num][timer_num]->hal), true);
  265. if (config->intr_type != TIMER_INTR_LEVEL) {
  266. ESP_LOGW(TIMER_TAG, "only support Level Interrupt, switch to Level Interrupt instead");
  267. }
  268. timer_hal_set_counter_enable(&(p_timer_obj[group_num][timer_num]->hal), config->counter_en);
  269. #if SOC_TIMER_GROUP_SUPPORT_XTAL
  270. timer_hal_set_use_xtal(&(p_timer_obj[group_num][timer_num]->hal), config->clk_src);
  271. #endif
  272. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  273. return ESP_OK;
  274. }
  275. esp_err_t timer_deinit(timer_group_t group_num, timer_idx_t timer_num)
  276. {
  277. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  278. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  279. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  280. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  281. timer_hal_set_counter_enable(&(p_timer_obj[group_num][timer_num]->hal), TIMER_PAUSE);
  282. timer_hal_intr_disable(&(p_timer_obj[group_num][timer_num]->hal));
  283. timer_hal_clear_intr_status(&(p_timer_obj[group_num][timer_num]->hal));
  284. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  285. heap_caps_free(p_timer_obj[group_num][timer_num]);
  286. p_timer_obj[group_num][timer_num] = NULL;
  287. return ESP_OK;
  288. }
  289. esp_err_t timer_get_config(timer_group_t group_num, timer_idx_t timer_num, timer_config_t *config)
  290. {
  291. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  292. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  293. TIMER_CHECK(config != NULL, TIMER_PARAM_ADDR_ERROR, ESP_ERR_INVALID_ARG);
  294. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  295. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  296. config->alarm_en = timer_hal_get_alarm_enable(&(p_timer_obj[group_num][timer_num]->hal));
  297. config->auto_reload = timer_hal_get_auto_reload(&(p_timer_obj[group_num][timer_num]->hal));
  298. config->counter_dir = timer_hal_get_counter_increase(&(p_timer_obj[group_num][timer_num]->hal));
  299. config->counter_en = timer_hal_get_counter_enable(&(p_timer_obj[group_num][timer_num]->hal));
  300. uint32_t div;
  301. timer_hal_get_divider(&(p_timer_obj[group_num][timer_num]->hal), &div);
  302. config->divider = div;
  303. if (timer_hal_get_level_int_enable(&(p_timer_obj[group_num][timer_num]->hal))) {
  304. config->intr_type = TIMER_INTR_LEVEL;
  305. } else {
  306. config->intr_type = TIMER_INTR_MAX;
  307. }
  308. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  309. return ESP_OK;
  310. }
  311. esp_err_t timer_group_intr_enable(timer_group_t group_num, timer_intr_t en_mask)
  312. {
  313. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  314. TIMER_CHECK(p_timer_obj[group_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  315. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  316. for (int i = 0; i < TIMER_MAX; i++) {
  317. if (en_mask & BIT(i)) {
  318. timer_hal_intr_enable(&(p_timer_obj[group_num][i]->hal));
  319. }
  320. }
  321. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  322. return ESP_OK;
  323. }
  324. esp_err_t timer_group_intr_disable(timer_group_t group_num, timer_intr_t disable_mask)
  325. {
  326. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  327. TIMER_CHECK(p_timer_obj[group_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  328. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  329. for (int i = 0; i < TIMER_MAX; i++) {
  330. if (disable_mask & BIT(i)) {
  331. timer_hal_intr_disable(&(p_timer_obj[group_num][i]->hal));
  332. }
  333. }
  334. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  335. return ESP_OK;
  336. }
  337. esp_err_t timer_enable_intr(timer_group_t group_num, timer_idx_t timer_num)
  338. {
  339. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  340. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  341. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  342. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  343. timer_hal_intr_enable(&(p_timer_obj[group_num][timer_num]->hal));
  344. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  345. return ESP_OK;
  346. }
  347. esp_err_t timer_disable_intr(timer_group_t group_num, timer_idx_t timer_num)
  348. {
  349. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  350. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  351. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  352. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  353. timer_hal_intr_disable(&(p_timer_obj[group_num][timer_num]->hal));
  354. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  355. return ESP_OK;
  356. }
  357. /* This function is deprecated */
  358. timer_intr_t IRAM_ATTR timer_group_intr_get_in_isr(timer_group_t group_num)
  359. {
  360. uint32_t intr_raw_status = 0;
  361. timer_hal_get_intr_raw_status(group_num, &intr_raw_status);
  362. return intr_raw_status;
  363. }
  364. uint32_t IRAM_ATTR timer_group_get_intr_status_in_isr(timer_group_t group_num)
  365. {
  366. uint32_t intr_status = 0;
  367. if (p_timer_obj[group_num][TIMER_0] != NULL) {
  368. timer_hal_get_intr_status(&(p_timer_obj[group_num][TIMER_0]->hal), &intr_status);
  369. }
  370. #if SOC_TIMER_GROUP_TIMERS_PER_GROUP > 1
  371. else if (p_timer_obj[group_num][TIMER_1] != NULL) {
  372. timer_hal_get_intr_status(&(p_timer_obj[group_num][TIMER_1]->hal), &intr_status);
  373. }
  374. #endif
  375. return intr_status;
  376. }
  377. /* This function is deprecated */
  378. void IRAM_ATTR timer_group_intr_clr_in_isr(timer_group_t group_num, timer_idx_t timer_num)
  379. {
  380. timer_group_clr_intr_status_in_isr(group_num, timer_num);
  381. }
  382. void IRAM_ATTR timer_group_clr_intr_status_in_isr(timer_group_t group_num, timer_idx_t timer_num)
  383. {
  384. timer_hal_clear_intr_status(&(p_timer_obj[group_num][timer_num]->hal));
  385. }
  386. void IRAM_ATTR timer_group_enable_alarm_in_isr(timer_group_t group_num, timer_idx_t timer_num)
  387. {
  388. timer_hal_set_alarm_enable(&(p_timer_obj[group_num][timer_num]->hal), true);
  389. }
  390. uint64_t IRAM_ATTR timer_group_get_counter_value_in_isr(timer_group_t group_num, timer_idx_t timer_num)
  391. {
  392. uint64_t val;
  393. timer_hal_get_counter_value(&(p_timer_obj[group_num][timer_num]->hal), &val);
  394. return val;
  395. }
  396. void IRAM_ATTR timer_group_set_alarm_value_in_isr(timer_group_t group_num, timer_idx_t timer_num, uint64_t alarm_val)
  397. {
  398. timer_hal_set_alarm_value(&(p_timer_obj[group_num][timer_num]->hal), alarm_val);
  399. }
  400. void IRAM_ATTR timer_group_set_counter_enable_in_isr(timer_group_t group_num, timer_idx_t timer_num, timer_start_t counter_en)
  401. {
  402. timer_hal_set_counter_enable(&(p_timer_obj[group_num][timer_num]->hal), counter_en);
  403. }
  404. /* This function is deprecated */
  405. void IRAM_ATTR timer_group_clr_intr_sta_in_isr(timer_group_t group_num, timer_intr_t intr_mask)
  406. {
  407. for (uint32_t timer_idx = 0; timer_idx < TIMER_MAX; timer_idx++) {
  408. if (intr_mask & BIT(timer_idx)) {
  409. timer_group_clr_intr_status_in_isr(group_num, timer_idx);
  410. }
  411. }
  412. }
  413. bool IRAM_ATTR timer_group_get_auto_reload_in_isr(timer_group_t group_num, timer_idx_t timer_num)
  414. {
  415. return timer_hal_get_auto_reload(&(p_timer_obj[group_num][timer_num]->hal));
  416. }
  417. esp_err_t timer_spinlock_take(timer_group_t group_num)
  418. {
  419. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  420. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  421. return ESP_OK;
  422. }
  423. esp_err_t timer_spinlock_give(timer_group_t group_num)
  424. {
  425. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  426. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  427. return ESP_OK;
  428. }