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Add interrupt allocation scheme / interrupt sharing. Also modifies drivers and examples. Also allows interrupts

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to be marked specifically as having a handler that's all in IRAM.
This commit is contained in:
Jeroen Domburg
2016-11-25 17:33:51 +08:00
parent 505282bab1
commit 655fd2986a
29 changed files with 1142 additions and 161 deletions
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8
components/esp32/crosscore_int.c
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@@ -17,6 +17,7 @@
#include "esp_attr.h"
#include "esp_err.h"
#include "esp_intr.h"
#include "esp_intr_alloc.h"
#include "rom/ets_sys.h"
#include "rom/uart.h"
@@ -72,14 +73,11 @@ void esp_crosscore_int_init() {
portENTER_CRITICAL(&reasonSpinlock);
reason[xPortGetCoreID()]=0;
portEXIT_CRITICAL(&reasonSpinlock);
ESP_INTR_DISABLE(ETS_FROM_CPU_INUM);
if (xPortGetCoreID()==0) {
intr_matrix_set(xPortGetCoreID(), ETS_FROM_CPU_INTR0_SOURCE, ETS_FROM_CPU_INUM);
esp_intr_alloc(ETS_FROM_CPU_INTR0_SOURCE, ESP_INTR_FLAG_IRAM, esp_crosscore_isr, (void*)&reason[xPortGetCoreID()], NULL);
} else {
intr_matrix_set(xPortGetCoreID(), ETS_FROM_CPU_INTR1_SOURCE, ETS_FROM_CPU_INUM);
esp_intr_alloc(ETS_FROM_CPU_INTR1_SOURCE, ESP_INTR_FLAG_IRAM, esp_crosscore_isr, (void*)&reason[xPortGetCoreID()], NULL);
}
xt_set_interrupt_handler(ETS_FROM_CPU_INUM, esp_crosscore_isr, (void*)&reason[xPortGetCoreID()]);
ESP_INTR_ENABLE(ETS_FROM_CPU_INUM);
}
void esp_crosscore_int_send_yield(int coreId) {