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shared_stack: added minimal stack size for shared stack, configurable via menuconfig

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This commit is contained in:
Felipe Neves 2020-01-06 17:28:37 -03:00
parent c309112b8a
commit 57edda15a0
3 changed files with 30 additions and 16 deletions
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7
components/esp_common/Kconfig
View File

@ -77,6 +77,13 @@ menu "Common ESP-related"
FreeRTOS timer task size, see "FreeRTOS timer task stack size" option
in "FreeRTOS" menu.
config ESP_MINIMAL_SHARED_STACK_SIZE
int "Minimal allowed size for shared stack"
default 2048
help
Minimal value of size, in bytes, accepted to execute a expression
with shared stack.
choice ESP_CONSOLE_UART
prompt "UART for console output"
default ESP_CONSOLE_UART_DEFAULT

37
components/esp_common/include/esp_expression_with_stack.h
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@ -11,14 +11,16 @@
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef __ESP_EXPRESSION_WITH_STACK_H
#define __ESP_EXPRESSION_WITH_STACK_H
#pragma once
#include "freertos/FreeRTOS.h"
#include "freertos/semphr.h"
#include "esp_debug_helpers.h"
#include "esp_log.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Executes a 1-line expression with a application alocated stack
@ -26,20 +28,21 @@
* @param stack Pointer to user alocated stack
* @param stack_size Size of current stack in bytes
* @param expression Expression or function to be executed using the stack
* @note if either lock, stack or stack size is invalid, the expression will
* be called using the current stack.
*/
#define ESP_EXECUTE_EXPRESSION_WITH_STACK(lock, stack, stack_size, expression) \
({ \
if (lock && stack && stack_size) { \
uint32_t backup; \
xSemaphoreTake(lock, portMAX_DELAY); \
StackType_t *top_of_stack = esp_switch_stack_setup(stack, stack_size);\
esp_switch_stack_enter(top_of_stack, &backup); \
{ \
expression; \
} \
esp_switch_stack_exit(&backup); \
xSemaphoreGive(lock); \
} \
#define ESP_EXECUTE_EXPRESSION_WITH_STACK(lock, stack, stack_size, expression) \
({ \
assert(lock && stack && (stack_size >= CONFIG_ESP_MINIMAL_SHARED_STACK_SIZE)); \
uint32_t backup; \
xSemaphoreTake(lock, portMAX_DELAY); \
StackType_t *top_of_stack = esp_switch_stack_setup(stack, stack_size); \
esp_switch_stack_enter(top_of_stack, &backup); \
{ \
expression; \
} \
esp_switch_stack_exit(&backup); \
xSemaphoreGive(lock); \
})
/**
@ -66,4 +69,6 @@ extern void esp_switch_stack_enter(StackType_t *stack, uint32_t *backup_stack);
*/
extern void esp_switch_stack_exit(uint32_t *backup_stack);
#ifdef __cplusplus
}
#endif

2
components/newlib/test/test_shared_stack_printf.c
View File

@ -1,4 +1,5 @@
#include <stdio.h>
#include <string.h>
#include "unity.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
@ -29,3 +30,4 @@ TEST_CASE("test printf using shared buffer stack", "[newlib]")
vSemaphoreDelete(printf_lock);
free(shared_stack);
}