Added process activation function

The process activation function is needed to enter processes (their structures) into the register, which in itself is a register-flag to indicate the readiness for execution of which of the processes

Author: drowsymike

.vscode/c_cpp_properties.json

@@ -8,8 +8,8 @@
                 "${workspaceFolder}/examples/stm32f4x/platform/hal/Inc",
                 "${workspaceFolder}/examples/stm32f4x/platform/cmsis/CMSIS/Include",
                 "${workspaceFolder}/examples/stm32f4x/platform/cmsis/CMSIS/Device/ST/STM32F4xx/Include",
-                "${workspaceFolder}/scheduler/inc",
-                "${workspaceFolder}/scheduler/src",
+                "${workspaceFolder}/sch/inc",
+                "${workspaceFolder}/sch/src",
                 "${workspaceFolder}/**"
             ],
             "defines": [

doc/stm32project_doc/linker.md

@@ -0,0 +1 @@
+# Basic definitions

…ler/port/esp32_wroom_32u/sch_assertion.c doc/stm32project_doc/project_structure.mdscheduler/port/esp32_wroom_32u/sch_assertion.c renamed to doc/stm32project_doc/project_structure.md scheduler/port/esp32_wroom_32u/sch_assertion.c renamed to doc/stm32project_doc/project_structure.md

@@ -0,0 +1,4 @@
+# Little Q&A for myself
+## For what do I write `linker.md` file?
+For another attempt to combine all of thoughts and information about coding 
+scripts for GCC linker (ld)  

doc/stm32project_doc/qna_for_myself.md

@@ -19,8 +19,8 @@ CFLAGS += -Iconfig
 CFLAGS += -Iplatform/hal/Inc
 CFLAGS += -Iplatform/cmsis/CMSIS/Include
 CFLAGS += -Iplatform/cmsis/CMSIS/Device/ST/STM32F4xx/Include
-CFLAGS += -I../../scheduler/inc
-CFLAGS += -I../../scheduler/src
+CFLAGS += -I../../sch/inc
+CFLAGS += -I../../sch/src
 CFLAGS += $(DEFS)
 
 ASFLAGS = $(MCU) $(OPT)
@@ -47,7 +47,7 @@ app/src/stm32f4xx_hal_msp.c \
 app/src/stm32f4xx_it.c \
 app/src/syscalls.c \
 app/src/sysmem.c \
-../../scheduler/src/sch.c
+../../sch/src/sch.c
 
 all: $(TARGET).elf
 

examples/stm32f4x/Makefile

@@ -12,22 +12,46 @@ void MX_USART2_UART_Init(void);
 void sch_task_dispatch(sch_task_t* task);
 void sch_task_init(sch_task_t* task);
 
+void echo_task_dispatch(sch_task_t* task);
+void echo_task_init(sch_task_t* task);
+
+void echo_task_dispatch(sch_task_t* task) {
+  char buf[40] = {0};
+  snprintf(buf, sizeof(buf), "system: %ld,\r\npreempt:%ld\r\n", sch_system_tasks_ready_set, sch_preempt_tasks_ready_set);
+  HAL_UART_Transmit(&huart2, (uint8_t*)buf, strlen(buf), HAL_MAX_DELAY);
+}
+
+void echo_task_init(sch_task_t* task) {
+
+}
+
 int main(void)
 {
   HAL_Init();
   SystemClock_Config();
   MX_GPIO_Init();
   MX_USART2_UART_Init();
 
-  sch_task_t sch_task;
-  //const sch_task_t* ptr = &sch_task;
+  /*sch_task_t sch_task;
   sch_task_create(&sch_task, 10, 10, sch_task_dispatch, sch_task_init);
-  sch_task_run(&sch_task, NULL);
+  sch_task_run(&sch_task, NULL);*/
+
+  sch_task_t first_task;
+  sch_task_create(&first_task, -3, 0, sch_task_dispatch, sch_task_init);
+  sch_task_activate(&first_task);
+
+  sch_task_t second_task;
+  sch_task_create(&second_task, 3, 0, sch_task_dispatch, sch_task_init);
+  sch_task_activate(&second_task);
+
+  sch_task_t echo_data;
+  sch_task_create(&echo_data, 2, 3, echo_task_dispatch, echo_task_init);
+  sch_task_activate(&echo_data);
+  sch_task_run(&echo_data, NULL);
 
   while (1)
   {
-    HAL_GPIO_TogglePin(GPIOA, GPIO_PIN_5);
-    HAL_Delay(1000);
+    
   }
 }
 

examples/stm32f4x/app/src/main.c

@@ -19,9 +19,12 @@
 
 typedef struct sch_task_t sch_task_t;
 
+extern int32_t sch_system_tasks_ready_set;
+extern int32_t sch_preempt_tasks_ready_set;
+
 /*--Definition of typedefs----------------------------------------------------*/
 
-typedef uint8_t sch_task_priority;
+typedef int8_t sch_task_priority;
 typedef uint8_t sch_irq;
 
 typedef void (*sch_task_dispatch_fn)(sch_task_t* task);