76     cyhal_ezi2c_t *obj = (cyhal_ezi2c_t*) _cyhal_scb_get_irq_obj(irqn);  in _cyhal_ezi2c_irq_handler()  local
78     cyhal_ezi2c_t *obj = (cyhal_ezi2c_t*) _cyhal_scb_get_irq_obj();  in _cyhal_ezi2c_irq_handler()
80     Cy_SCB_EZI2C_Interrupt(obj->base, &(obj->context));  in _cyhal_ezi2c_irq_handler()
83 …cyhal_ezi2c_event_callback_t callback = (cyhal_ezi2c_event_callback_t) obj->callback_data.callback;  in _cyhal_ezi2c_irq_handler()
87         cyhal_ezi2c_status_t status = cyhal_ezi2c_get_activity_status(obj);  in _cyhal_ezi2c_irq_handler()
88         if(status & obj->irq_cause)  in _cyhal_ezi2c_irq_handler()
90 …(void) (callback) (obj->callback_data.callback_arg, (cyhal_ezi2c_status_t)(status & obj->irq_cause…  in _cyhal_ezi2c_irq_handler()
116     cyhal_ezi2c_t *obj = (cyhal_ezi2c_t*)(obj_ptr);  in _cyhal_ezi2c_pm_callback_instance()  local
119         .base = (void *) (obj->base),  in _cyhal_ezi2c_pm_callback_instance()
120         .context = (void *) &(obj->context)  in _cyhal_ezi2c_pm_callback_instance()
142 static cy_rslt_t _cyhal_ezi2c_setup_resources(cyhal_ezi2c_t *obj, cyhal_gpio_t sda, cyhal_gpio_t sc…  in _cyhal_ezi2c_setup_resources()  argument
145     obj->resource.type = CYHAL_RSC_INVALID;  in _cyhal_ezi2c_setup_resources()
146     obj->pin_scl = CYHAL_NC_PIN_VALUE;  in _cyhal_ezi2c_setup_resources()
147     obj->pin_sda = CYHAL_NC_PIN_VALUE;  in _cyhal_ezi2c_setup_resources()
148     obj->is_clock_owned = false;  in _cyhal_ezi2c_setup_resources()
149     obj->two_addresses = false;  in _cyhal_ezi2c_setup_resources()
193         obj->resource = i2c_rsc;  in _cyhal_ezi2c_setup_resources()
197             obj->pin_sda = sda;  in _cyhal_ezi2c_setup_resources()
205             obj->pin_scl = scl;  in _cyhal_ezi2c_setup_resources()
212 …result = _cyhal_utils_allocate_clock(&(obj->clock), &i2c_rsc, CYHAL_CLOCK_BLOCK_PERIPHERAL_16BIT, …  in _cyhal_ezi2c_setup_resources()
213             obj->is_clock_owned = (CY_RSLT_SUCCESS == result);  in _cyhal_ezi2c_setup_resources()
217             obj->clock = *clk;  in _cyhal_ezi2c_setup_resources()
224 static cy_rslt_t _cyhal_ezi2c_init_hw(cyhal_ezi2c_t *obj, const cy_stc_scb_ezi2c_config_t* pdl_cfg)  in _cyhal_ezi2c_init_hw()  argument
226     uint8_t scb_arr_index = _cyhal_scb_get_block_index(obj->resource.block_num);  in _cyhal_ezi2c_init_hw()
227     obj->base = _CYHAL_SCB_BASE_ADDRESSES[scb_arr_index];  in _cyhal_ezi2c_init_hw()
228     obj->two_addresses = (pdl_cfg->numberOfAddresses == CY_SCB_EZI2C_TWO_ADDRESSES);  in _cyhal_ezi2c_init_hw()
231     cy_rslt_t result = Cy_SCB_EZI2C_Init(obj->base, pdl_cfg, &(obj->context));  in _cyhal_ezi2c_init_hw()
235 …_cyhal_scb_update_instance_data(obj->resource.block_num, (void*)obj, &_cyhal_ezi2c_pm_callback_ins…  in _cyhal_ezi2c_init_hw()
236         obj->callback_data.callback = NULL;  in _cyhal_ezi2c_init_hw()
237         obj->callback_data.callback_arg = NULL;  in _cyhal_ezi2c_init_hw()
238         obj->irq_cause = 0;  in _cyhal_ezi2c_init_hw()
241 …       Cy_SCB_RegisterInterruptCallback(obj->base, _cyhal_irq_cb[_CYHAL_SCB_IRQ_N[scb_arr_index]]);  in _cyhal_ezi2c_init_hw()
250 static void _cyhal_ezi2c_setup_and_enable(cyhal_ezi2c_t *obj, const cyhal_ezi2c_slave_cfg_t *slave1…  in _cyhal_ezi2c_setup_and_enable()  argument
252     CY_ASSERT(NULL != obj);  in _cyhal_ezi2c_setup_and_enable()
255     uint8_t scb_arr_index = _cyhal_scb_get_block_index(obj->resource.block_num);  in _cyhal_ezi2c_setup_and_enable()
258 …Cy_SCB_EZI2C_SetBuffer1(obj->base, slave1_cfg->buf, slave1_cfg->buf_size, slave1_cfg->buf_rw_bound…  in _cyhal_ezi2c_setup_and_enable()
260     if (obj->two_addresses && (NULL != slave2_cfg))  in _cyhal_ezi2c_setup_and_enable()
262 …Cy_SCB_EZI2C_SetBuffer2(obj->base, slave2_cfg->buf, slave2_cfg->buf_size, slave2_cfg->buf_rw_bound…  in _cyhal_ezi2c_setup_and_enable()
266         Cy_SCB_EnableInterrupt(obj->base);  in _cyhal_ezi2c_setup_and_enable()
271     Cy_SCB_EZI2C_Enable(obj->base);  in _cyhal_ezi2c_setup_and_enable()
274 cy_rslt_t cyhal_ezi2c_init(cyhal_ezi2c_t *obj, cyhal_gpio_t sda, cyhal_gpio_t scl, const cyhal_cloc…  in cyhal_ezi2c_init()  argument
276     CY_ASSERT(NULL != obj);  in cyhal_ezi2c_init()
277     memset(obj, 0, sizeof(cyhal_ezi2c_t));  in cyhal_ezi2c_init()
285     obj->dc_configured = false;  in cyhal_ezi2c_init()
296     cy_rslt_t result = _cyhal_ezi2c_setup_resources(obj, sda, scl, clk);  in cyhal_ezi2c_init()
300         result = _cyhal_ezi2c_init_hw(obj, &pdl_config);  in cyhal_ezi2c_init()
305 …uint32_t dataRate = _cyhal_i2c_set_peri_divider((void *)obj, false, (uint32_t)cfg->data_rate, true…  in cyhal_ezi2c_init()
315         _cyhal_ezi2c_setup_and_enable(obj, &cfg->slave1_cfg, &cfg->slave2_cfg);  in cyhal_ezi2c_init()
320         cyhal_ezi2c_free(obj);  in cyhal_ezi2c_init()
325 void cyhal_ezi2c_free(cyhal_ezi2c_t *obj)  in cyhal_ezi2c_free()  argument
327     CY_ASSERT(NULL != obj);  in cyhal_ezi2c_free()
329     if (NULL != obj->base)  in cyhal_ezi2c_free()
331         Cy_SCB_EZI2C_Disable(obj->base, &obj->context);  in cyhal_ezi2c_free()
332         Cy_SCB_EZI2C_DeInit(obj->base);  in cyhal_ezi2c_free()
333         obj->base = NULL;  in cyhal_ezi2c_free()
336     if (CYHAL_RSC_INVALID != obj->resource.type)  in cyhal_ezi2c_free()
338         uint8_t scb_arr_index = _cyhal_scb_get_block_index(obj->resource.block_num);  in cyhal_ezi2c_free()
339         _cyhal_scb_update_instance_data(obj->resource.block_num, NULL, NULL);  in cyhal_ezi2c_free()
343         if (!obj->dc_configured)  in cyhal_ezi2c_free()
345 …t_t rsc_to_free = { CYHAL_RSC_SCB, _cyhal_scb_get_block_index(obj->resource.block_num), obj->resou…  in cyhal_ezi2c_free()
348         obj->resource.type = CYHAL_RSC_INVALID;  in cyhal_ezi2c_free()
351     if (!obj->dc_configured)  in cyhal_ezi2c_free()
353         _cyhal_utils_release_if_used(&(obj->pin_sda));  in cyhal_ezi2c_free()
354         _cyhal_utils_release_if_used(&(obj->pin_scl));  in cyhal_ezi2c_free()
356         if (obj->is_clock_owned)  in cyhal_ezi2c_free()
358             cyhal_clock_free(&(obj->clock));  in cyhal_ezi2c_free()
363 cyhal_ezi2c_status_t cyhal_ezi2c_get_activity_status(cyhal_ezi2c_t *obj)  in cyhal_ezi2c_get_activity_status()  argument
365 … return _cyhal_ezi2c_convert_activity_status(Cy_SCB_EZI2C_GetActivity(obj->base, &(obj->context)));  in cyhal_ezi2c_get_activity_status()
368 void cyhal_ezi2c_register_callback(cyhal_ezi2c_t *obj, cyhal_ezi2c_event_callback_t callback, void …  in cyhal_ezi2c_register_callback()  argument
371     obj->callback_data.callback = (cy_israddress) callback;  in cyhal_ezi2c_register_callback()
372     obj->callback_data.callback_arg = callback_arg;  in cyhal_ezi2c_register_callback()
376 void cyhal_ezi2c_enable_event(cyhal_ezi2c_t *obj, cyhal_ezi2c_status_t event, uint8_t intr_priority…  in cyhal_ezi2c_enable_event()  argument
378     uint8_t scb_arr_index = _cyhal_scb_get_block_index(obj->resource.block_num);  in cyhal_ezi2c_enable_event()
381         obj->irq_cause |= event;  in cyhal_ezi2c_enable_event()
385         obj->irq_cause &= ~event;  in cyhal_ezi2c_enable_event()
392 cy_rslt_t cyhal_ezi2c_init_cfg(cyhal_ezi2c_t *obj, const cyhal_ezi2c_configurator_t *cfg,  in cyhal_ezi2c_init_cfg()  argument
395     CY_ASSERT(NULL != obj);  in cyhal_ezi2c_init_cfg()
399     obj->resource = *cfg->resource;  in cyhal_ezi2c_init_cfg()
400     obj->clock = *cfg->clock;  in cyhal_ezi2c_init_cfg()
401     obj->is_clock_owned = false;  in cyhal_ezi2c_init_cfg()
402     obj->two_addresses = false;  in cyhal_ezi2c_init_cfg()
403     obj->dc_configured = true;  in cyhal_ezi2c_init_cfg()
405     cy_rslt_t result = _cyhal_ezi2c_init_hw(obj, cfg->config);  in cyhal_ezi2c_init_cfg()
409         _cyhal_ezi2c_setup_and_enable(obj, slave1_cfg, slave2_cfg);  in cyhal_ezi2c_init_cfg()