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components/esp32: add inter-processor call API and implement spi_flash through it

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With this change, flash operations can run on both cores.
NVS and WiFi stack can also run in dual core mode now.
This commit is contained in:
Ivan Grokhotkov
2016-09-12 18:54:45 +08:00
parent 1c6859573b
commit e9f2645b21
5 changed files with 321 additions and 85 deletions
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25
components/esp32/cpu_start.c
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@@ -36,6 +36,8 @@
#include "esp_spi_flash.h"
#include "nvs_flash.h"
#include "esp_event.h"
#include "esp_spi_flash.h"
#include "esp_ipc.h"
static void IRAM_ATTR user_start_cpu0(void);
static void IRAM_ATTR call_user_start_cpu1();
@@ -180,37 +182,39 @@ void IRAM_ATTR call_user_start_cpu1() {
user_start_cpu1();
}
extern volatile int port_xSchedulerRunning;
extern int xPortStartScheduler();
extern volatile int port_xSchedulerRunning[2];
void user_start_cpu1(void) {
//Wait for the freertos initialization is finished on CPU0
while (port_xSchedulerRunning == 0) ;
ets_printf("Core0 started initializing FreeRTOS. Jumping to scheduler.\n");
//Okay, start the scheduler!
void IRAM_ATTR user_start_cpu1(void) {
// Wait for FreeRTOS initialization to finish on PRO CPU
while (port_xSchedulerRunning[0] == 0) {
;
}
ets_printf("Starting scheduler on APP CPU.\n");
// Start the scheduler on APP CPU
xPortStartScheduler();
}
extern void (*__init_array_start)(void);
extern void (*__init_array_end)(void);
extern esp_err_t app_main();
static void do_global_ctors(void) {
void (**p)(void);
for(p = &__init_array_start; p != &__init_array_end; ++p)
(*p)();
}
extern esp_err_t app_main();
void user_start_cpu0(void) {
ets_setup_syscalls();
do_global_ctors();
esp_ipc_init();
spi_flash_init();
#if CONFIG_WIFI_ENABLED
ets_printf("nvs_flash_init\n");
esp_err_t ret = nvs_flash_init(5, 3);
if (ret != ESP_OK) {
ets_printf("nvs_flash_init fail, ret=%d\n", ret);
printf("nvs_flash_init failed, ret=%d\n", ret);
}
system_init();
@@ -227,6 +231,7 @@ void user_start_cpu0(void) {
app_main();
#endif
ets_printf("Starting scheduler on PRO CPU.\n");
vTaskStartScheduler();
}