timer.c 22 KB

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  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. //If the timer is set to auto reload, we need enable it again, so it is triggered the next time.
  197. if (timer_hal_get_auto_reload(&timer_obj->hal)) {
  198. timer_hal_set_alarm_enable(&(timer_obj->hal), TIMER_ALARM_EN);
  199. } else {
  200. timer_hal_set_alarm_enable(&(timer_obj->hal), TIMER_ALARM_DIS);
  201. }
  202. }
  203. }
  204. TIMER_EXIT_CRITICAL(&timer_spinlock[timer_obj->timer_isr_fun.isr_timer_group]);
  205. if (is_awoken) {
  206. portYIELD_FROM_ISR();
  207. }
  208. }
  209. 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)
  210. {
  211. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  212. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  213. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  214. timer_disable_intr(group_num, timer_num);
  215. p_timer_obj[group_num][timer_num]->timer_isr_fun.fn = isr_handler;
  216. p_timer_obj[group_num][timer_num]->timer_isr_fun.args = args;
  217. p_timer_obj[group_num][timer_num]->timer_isr_fun.isr_timer_group = group_num;
  218. timer_isr_register(group_num, timer_num, timer_isr_default, (void *)p_timer_obj[group_num][timer_num],
  219. intr_alloc_flags, &(p_timer_obj[group_num][timer_num]->timer_isr_fun.timer_isr_handle));
  220. timer_enable_intr(group_num, timer_num);
  221. return ESP_OK;
  222. }
  223. esp_err_t timer_isr_callback_remove(timer_group_t group_num, timer_idx_t timer_num)
  224. {
  225. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  226. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  227. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  228. timer_disable_intr(group_num, timer_num);
  229. p_timer_obj[group_num][timer_num]->timer_isr_fun.fn = NULL;
  230. p_timer_obj[group_num][timer_num]->timer_isr_fun.args = NULL;
  231. esp_intr_free(p_timer_obj[group_num][timer_num]->timer_isr_fun.timer_isr_handle);
  232. return ESP_OK;
  233. }
  234. esp_err_t timer_isr_register(timer_group_t group_num, timer_idx_t timer_num,
  235. void (*fn)(void *), void *arg, int intr_alloc_flags, timer_isr_handle_t *handle)
  236. {
  237. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  238. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  239. TIMER_CHECK(fn != NULL, TIMER_PARAM_ADDR_ERROR, ESP_ERR_INVALID_ARG);
  240. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  241. uint32_t status_reg = 0;
  242. uint32_t mask = 0;
  243. timer_hal_get_status_reg_mask_bit(&(p_timer_obj[group_num][timer_num]->hal), &status_reg, &mask);
  244. 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);
  245. }
  246. esp_err_t timer_init(timer_group_t group_num, timer_idx_t timer_num, const timer_config_t *config)
  247. {
  248. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  249. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  250. TIMER_CHECK(config != NULL, TIMER_PARAM_ADDR_ERROR, ESP_ERR_INVALID_ARG);
  251. TIMER_CHECK(config->divider > 1 && config->divider < 65537, DIVIDER_RANGE_ERROR, ESP_ERR_INVALID_ARG);
  252. periph_module_enable(timer_group_periph_signals.groups[group_num].module);
  253. if (p_timer_obj[group_num][timer_num] == NULL) {
  254. p_timer_obj[group_num][timer_num] = (timer_obj_t *) heap_caps_calloc(1, sizeof(timer_obj_t), MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
  255. if (p_timer_obj[group_num][timer_num] == NULL) {
  256. ESP_LOGE(TIMER_TAG, "TIMER driver malloc error");
  257. return ESP_FAIL;
  258. }
  259. }
  260. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  261. timer_hal_init(&(p_timer_obj[group_num][timer_num]->hal), group_num, timer_num);
  262. timer_hal_intr_disable(&(p_timer_obj[group_num][timer_num]->hal));
  263. timer_hal_clear_intr_status(&(p_timer_obj[group_num][timer_num]->hal));
  264. timer_hal_set_auto_reload(&(p_timer_obj[group_num][timer_num]->hal), config->auto_reload);
  265. timer_hal_set_divider(&(p_timer_obj[group_num][timer_num]->hal), config->divider);
  266. timer_hal_set_counter_increase(&(p_timer_obj[group_num][timer_num]->hal), config->counter_dir);
  267. timer_hal_set_alarm_enable(&(p_timer_obj[group_num][timer_num]->hal), config->alarm_en);
  268. timer_hal_set_level_int_enable(&(p_timer_obj[group_num][timer_num]->hal), true);
  269. if (config->intr_type != TIMER_INTR_LEVEL) {
  270. ESP_LOGW(TIMER_TAG, "only support Level Interrupt, switch to Level Interrupt instead");
  271. }
  272. timer_hal_set_counter_enable(&(p_timer_obj[group_num][timer_num]->hal), config->counter_en);
  273. #if SOC_TIMER_GROUP_SUPPORT_XTAL
  274. timer_hal_set_use_xtal(&(p_timer_obj[group_num][timer_num]->hal), config->clk_src);
  275. #endif
  276. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  277. return ESP_OK;
  278. }
  279. esp_err_t timer_deinit(timer_group_t group_num, timer_idx_t timer_num)
  280. {
  281. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  282. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  283. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  284. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  285. timer_hal_set_counter_enable(&(p_timer_obj[group_num][timer_num]->hal), TIMER_PAUSE);
  286. timer_hal_intr_disable(&(p_timer_obj[group_num][timer_num]->hal));
  287. timer_hal_clear_intr_status(&(p_timer_obj[group_num][timer_num]->hal));
  288. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  289. heap_caps_free(p_timer_obj[group_num][timer_num]);
  290. p_timer_obj[group_num][timer_num] = NULL;
  291. return ESP_OK;
  292. }
  293. esp_err_t timer_get_config(timer_group_t group_num, timer_idx_t timer_num, timer_config_t *config)
  294. {
  295. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  296. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  297. TIMER_CHECK(config != NULL, TIMER_PARAM_ADDR_ERROR, ESP_ERR_INVALID_ARG);
  298. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  299. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  300. config->alarm_en = timer_hal_get_alarm_enable(&(p_timer_obj[group_num][timer_num]->hal));
  301. config->auto_reload = timer_hal_get_auto_reload(&(p_timer_obj[group_num][timer_num]->hal));
  302. config->counter_dir = timer_hal_get_counter_increase(&(p_timer_obj[group_num][timer_num]->hal));
  303. config->counter_en = timer_hal_get_counter_enable(&(p_timer_obj[group_num][timer_num]->hal));
  304. uint32_t div;
  305. timer_hal_get_divider(&(p_timer_obj[group_num][timer_num]->hal), &div);
  306. config->divider = div;
  307. if (timer_hal_get_level_int_enable(&(p_timer_obj[group_num][timer_num]->hal))) {
  308. config->intr_type = TIMER_INTR_LEVEL;
  309. } else {
  310. config->intr_type = TIMER_INTR_MAX;
  311. }
  312. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  313. return ESP_OK;
  314. }
  315. esp_err_t timer_group_intr_enable(timer_group_t group_num, timer_intr_t en_mask)
  316. {
  317. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  318. TIMER_CHECK(p_timer_obj[group_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  319. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  320. for (int i = 0; i < TIMER_MAX; i++) {
  321. if (en_mask & BIT(i)) {
  322. timer_hal_intr_enable(&(p_timer_obj[group_num][i]->hal));
  323. }
  324. }
  325. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  326. return ESP_OK;
  327. }
  328. esp_err_t timer_group_intr_disable(timer_group_t group_num, timer_intr_t disable_mask)
  329. {
  330. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  331. TIMER_CHECK(p_timer_obj[group_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  332. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  333. for (int i = 0; i < TIMER_MAX; i++) {
  334. if (disable_mask & BIT(i)) {
  335. timer_hal_intr_disable(&(p_timer_obj[group_num][i]->hal));
  336. }
  337. }
  338. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  339. return ESP_OK;
  340. }
  341. esp_err_t timer_enable_intr(timer_group_t group_num, timer_idx_t timer_num)
  342. {
  343. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  344. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  345. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  346. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  347. timer_hal_intr_enable(&(p_timer_obj[group_num][timer_num]->hal));
  348. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  349. return ESP_OK;
  350. }
  351. esp_err_t timer_disable_intr(timer_group_t group_num, timer_idx_t timer_num)
  352. {
  353. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  354. TIMER_CHECK(timer_num < TIMER_MAX, TIMER_NUM_ERROR, ESP_ERR_INVALID_ARG);
  355. TIMER_CHECK(p_timer_obj[group_num][timer_num] != NULL, TIMER_NEVER_INIT_ERROR, ESP_ERR_INVALID_ARG);
  356. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  357. timer_hal_intr_disable(&(p_timer_obj[group_num][timer_num]->hal));
  358. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  359. return ESP_OK;
  360. }
  361. /* This function is deprecated */
  362. timer_intr_t IRAM_ATTR timer_group_intr_get_in_isr(timer_group_t group_num)
  363. {
  364. uint32_t intr_raw_status = 0;
  365. timer_hal_get_intr_raw_status(group_num, &intr_raw_status);
  366. return intr_raw_status;
  367. }
  368. uint32_t IRAM_ATTR timer_group_get_intr_status_in_isr(timer_group_t group_num)
  369. {
  370. uint32_t intr_status = 0;
  371. if (p_timer_obj[group_num][TIMER_0] != NULL) {
  372. timer_hal_get_intr_status(&(p_timer_obj[group_num][TIMER_0]->hal), &intr_status);
  373. }
  374. #if SOC_TIMER_GROUP_TIMERS_PER_GROUP > 1
  375. else if (p_timer_obj[group_num][TIMER_1] != NULL) {
  376. timer_hal_get_intr_status(&(p_timer_obj[group_num][TIMER_1]->hal), &intr_status);
  377. }
  378. #endif
  379. return intr_status;
  380. }
  381. /* This function is deprecated */
  382. void IRAM_ATTR timer_group_intr_clr_in_isr(timer_group_t group_num, timer_idx_t timer_num)
  383. {
  384. timer_group_clr_intr_status_in_isr(group_num, timer_num);
  385. }
  386. void IRAM_ATTR timer_group_clr_intr_status_in_isr(timer_group_t group_num, timer_idx_t timer_num)
  387. {
  388. timer_hal_clear_intr_status(&(p_timer_obj[group_num][timer_num]->hal));
  389. }
  390. void IRAM_ATTR timer_group_enable_alarm_in_isr(timer_group_t group_num, timer_idx_t timer_num)
  391. {
  392. timer_hal_set_alarm_enable(&(p_timer_obj[group_num][timer_num]->hal), true);
  393. }
  394. uint64_t IRAM_ATTR timer_group_get_counter_value_in_isr(timer_group_t group_num, timer_idx_t timer_num)
  395. {
  396. uint64_t val;
  397. timer_hal_get_counter_value(&(p_timer_obj[group_num][timer_num]->hal), &val);
  398. return val;
  399. }
  400. void IRAM_ATTR timer_group_set_alarm_value_in_isr(timer_group_t group_num, timer_idx_t timer_num, uint64_t alarm_val)
  401. {
  402. timer_hal_set_alarm_value(&(p_timer_obj[group_num][timer_num]->hal), alarm_val);
  403. }
  404. 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)
  405. {
  406. timer_hal_set_counter_enable(&(p_timer_obj[group_num][timer_num]->hal), counter_en);
  407. }
  408. /* This function is deprecated */
  409. void IRAM_ATTR timer_group_clr_intr_sta_in_isr(timer_group_t group_num, timer_intr_t intr_mask)
  410. {
  411. for (uint32_t timer_idx = 0; timer_idx < TIMER_MAX; timer_idx++) {
  412. if (intr_mask & BIT(timer_idx)) {
  413. timer_group_clr_intr_status_in_isr(group_num, timer_idx);
  414. }
  415. }
  416. }
  417. bool IRAM_ATTR timer_group_get_auto_reload_in_isr(timer_group_t group_num, timer_idx_t timer_num)
  418. {
  419. return timer_hal_get_auto_reload(&(p_timer_obj[group_num][timer_num]->hal));
  420. }
  421. esp_err_t IRAM_ATTR timer_spinlock_take(timer_group_t group_num)
  422. {
  423. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  424. TIMER_ENTER_CRITICAL(&timer_spinlock[group_num]);
  425. return ESP_OK;
  426. }
  427. esp_err_t IRAM_ATTR timer_spinlock_give(timer_group_t group_num)
  428. {
  429. TIMER_CHECK(group_num < TIMER_GROUP_MAX, TIMER_GROUP_NUM_ERROR, ESP_ERR_INVALID_ARG);
  430. TIMER_EXIT_CRITICAL(&timer_spinlock[group_num]);
  431. return ESP_OK;
  432. }