void esp_dport_access_int_deinit(void) { portENTER_CRITICAL_ISR(&g_dport_mux); dport_core_state[0] = DPORT_CORE_STATE_IDLE; #ifndef CONFIG_FREERTOS_UNICORE dport_core_state[1] = DPORT_CORE_STATE_IDLE; #endif portEXIT_CRITICAL_ISR(&g_dport_mux); }
static uint32_t IRAM_ATTR wifi_int_disable_wrapper(void *wifi_int_mux) { if (xPortInIsrContext()) { portENTER_CRITICAL_ISR(wifi_int_mux); } else { portENTER_CRITICAL(wifi_int_mux); } return 0; }
/* stall other cpu that this cpu is pending to access dport register start */ void IRAM_ATTR esp_dport_access_stall_other_cpu_start(void) { #ifndef CONFIG_FREERTOS_UNICORE int cpu_id = xPortGetCoreID(); if (dport_core_state[0] == DPORT_CORE_STATE_IDLE || dport_core_state[1] == DPORT_CORE_STATE_IDLE) { return; } #ifdef DPORT_ACCESS_BENCHMARK ccount_start[cpu_id] = XTHAL_GET_CCOUNT(); #endif BaseType_t intLvl=portENTER_CRITICAL_NESTED(); oldInterruptLevel[cpu_id]=intLvl; if (dport_access_ref[cpu_id] == 0) { portENTER_CRITICAL_ISR(&g_dport_mux); dport_access_start[cpu_id] = 0; dport_access_end[cpu_id] = 0; if (cpu_id == 0) { _DPORT_REG_WRITE(DPORT_CPU_INTR_FROM_CPU_3_REG, DPORT_CPU_INTR_FROM_CPU_3); //interrupt on cpu1 } else { _DPORT_REG_WRITE(DPORT_CPU_INTR_FROM_CPU_2_REG, DPORT_CPU_INTR_FROM_CPU_2); //interrupt on cpu0 } while (!dport_access_start[cpu_id]) {}; REG_READ(SPI_DATE_REG(3)); //just read a APB register sure that the APB-bus is idle } dport_access_ref[cpu_id]++; #endif /* CONFIG_FREERTOS_UNICORE */ }