mbed official
Official mbed Real Time Operating System based on the RTX implementation of the CMSIS-RTOS API open standard.
Dependents: denki-yohou_b TestY201 Network-RTOS NTPClient_HelloWorld ... more
Deprecated
This is the mbed 2 rtos library. mbed OS 5 integrates the mbed library with mbed-rtos. With this, we have provided thread safety for all mbed APIs. If you'd like to learn about using mbed OS 5, please see the docs.
Diff: rtx/TARGET_CORTEX_M/rt_CMSIS.c
- Revision:
- 112:53ace74b190c
- Parent:
- 101:3d9d2b8b8f17
- Child:
- 114:031a41d65add
--- a/rtx/TARGET_CORTEX_M/rt_CMSIS.c Tue May 03 00:15:52 2016 +0100
+++ b/rtx/TARGET_CORTEX_M/rt_CMSIS.c Thu May 05 20:45:13 2016 +0100
@@ -1,12 +1,12 @@
/*----------------------------------------------------------------------------
- * RL-ARM - RTX
+ * CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: rt_CMSIS.c
* Purpose: CMSIS RTOS API
- * Rev.: V4.60
+ * Rev.: V4.80
*----------------------------------------------------------------------------
*
- * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -49,7 +49,7 @@
#endif
#include "rt_TypeDef.h"
-#include "RTX_Conf.h"
+#include "RTX_Config.h"
#include "rt_System.h"
#include "rt_Task.h"
#include "rt_Event.h"
@@ -59,6 +59,7 @@
#include "rt_Semaphore.h"
#include "rt_Mailbox.h"
#include "rt_MemBox.h"
+#include "rt_Memory.h"
#include "rt_HAL_CM.h"
#define os_thread_cb OS_TCB
@@ -101,6 +102,14 @@
return _##f(f); \
}
+#define SVC_1_0(f,t,t1,...) \
+__svc_indirect(0) t _##f (t(*)(t1),t1); \
+ t f (t1 a1); \
+__attribute__((always_inline)) \
+static __inline t __##f (t1 a1) { \
+ _##f(f,a1); \
+}
+
#define SVC_1_1(f,t,t1,...) \
__svc_indirect(0) t _##f (t(*)(t1),t1); \
t f (t1 a1); \
@@ -133,9 +142,9 @@
return _##f(f,a1,a2,a3,a4); \
}
-#define SVC_1_2 SVC_1_1
-#define SVC_1_3 SVC_1_1
-#define SVC_2_3 SVC_2_1
+#define SVC_1_2 SVC_1_1
+#define SVC_1_3 SVC_1_1
+#define SVC_2_3 SVC_2_1
#elif defined (__GNUC__) /* GNU Compiler */
@@ -146,18 +155,19 @@
#define RET_pointer __r0
#define RET_int32_t __r0
+#define RET_uint32_t __r0
#define RET_osStatus __r0
#define RET_osPriority __r0
#define RET_osEvent {(osStatus)__r0, {(uint32_t)__r1}, {(void *)__r2}}
#define RET_osCallback {(void *)__r0, (void *)__r1}
-#define osEvent_type ret128
+#define osEvent_type __attribute__((pcs("aapcs"))) ret128
#define osEvent_ret_status (ret128){ret.status}
#define osEvent_ret_value (ret128){ret.status, ret.value.v}
#define osEvent_ret_msg (ret128){ret.status, ret.value.v, (uint32_t)ret.def.message_id}
#define osEvent_ret_mail (ret128){ret.status, ret.value.v, (uint32_t)ret.def.mail_id}
-#define osCallback_type ret64
+#define osCallback_type __attribute__((pcs("aapcs"))) ret64
#define osCallback_ret (ret64) {(uint32_t)ret.fp, (uint32_t)ret.arg}
#define SVC_ArgN(n) \
@@ -198,7 +208,7 @@
#if (defined (__CORTEX_M0)) || defined (__CORTEX_M0PLUS)
#define SVC_Call(f) \
- __asm volatile \
+ __asm volatile \
( \
"ldr r7,="#f"\n\t" \
"mov r12,r7\n\t" \
@@ -209,7 +219,7 @@
);
#else
#define SVC_Call(f) \
- __asm volatile \
+ __asm volatile \
( \
"ldr r12,="#f"\n\t" \
"svc 0" \
@@ -227,6 +237,13 @@
return (t) rv; \
}
+#define SVC_1_0(f,t,t1) \
+__attribute__((always_inline)) \
+static inline t __##f (t1 a1) { \
+ SVC_Arg1(t1); \
+ SVC_Call(f); \
+}
+
#define SVC_1_1(f,t,t1,rv) \
__attribute__((always_inline)) \
static inline t __##f (t1 a1) { \
@@ -259,9 +276,9 @@
return (t) rv; \
}
-#define SVC_1_2 SVC_1_1
-#define SVC_1_3 SVC_1_1
-#define SVC_2_3 SVC_2_1
+#define SVC_1_2 SVC_1_1
+#define SVC_1_3 SVC_1_1
+#define SVC_2_3 SVC_2_1
#elif defined (__ICCARM__) /* IAR Compiler */
@@ -285,6 +302,12 @@
:: "r"(&f): "r12" \
);
+#define SVC_Ret3() \
+ __asm( \
+ "ldr r0,[sp,#0]\n" \
+ "ldr r1,[sp,#4]\n" \
+ "ldr r2,[sp,#8]\n" \
+ );
#define SVC_0_1(f,t,...) \
t f (void); \
@@ -294,6 +317,14 @@
return _##f(); \
}
+#define SVC_1_0(f,t,t1,...) \
+t f (t1 a1); \
+_Pragma("swi_number=0") __swi t _##f (t1 a1); \
+static inline t __##f (t1 a1) { \
+ SVC_Setup(f); \
+ _##f(a1); \
+}
+
#define SVC_1_1(f,t,t1,...) \
t f (t1 a1); \
_Pragma("swi_number=0") __swi t _##f (t1 a1); \
@@ -346,46 +377,53 @@
extern const uint32_t os_section_id$$Limit;
#endif
+#ifndef __MBED_CMSIS_RTOS_CM
+// OS Stack Memory for Threads definitions
+extern uint64_t os_stack_mem[];
+extern const uint32_t os_stack_sz;
+#endif
+
// OS Timers external resources
-extern osThreadDef_t os_thread_def_osTimerThread;
-extern osThreadId osThreadId_osTimerThread;
-extern osMessageQDef_t os_messageQ_def_osTimerMessageQ;
-extern osMessageQId osMessageQId_osTimerMessageQ;
+extern const osThreadDef_t os_thread_def_osTimerThread;
+extern osThreadId osThreadId_osTimerThread;
+extern const osMessageQDef_t os_messageQ_def_osTimerMessageQ;
+extern osMessageQId osMessageQId_osTimerMessageQ;
// ==== Helper Functions ====
/// Convert timeout in millisec to system ticks
-static uint32_t rt_ms2tick (uint32_t millisec) {
+static uint16_t rt_ms2tick (uint32_t millisec) {
uint32_t tick;
- if (millisec == osWaitForever) return 0xFFFF; // Indefinite timeout
- if (millisec > 4000000) return 0xFFFE; // Max ticks supported
+ if (millisec == 0U) { return 0x0U; } // No timeout
+ if (millisec == osWaitForever) { return 0xFFFFU; } // Indefinite timeout
+ if (millisec > 4000000U) { return 0xFFFEU; } // Max ticks supported
- tick = ((1000 * millisec) + os_clockrate - 1) / os_clockrate;
- if (tick > 0xFFFE) return 0xFFFE;
-
- return tick;
+ tick = ((1000U * millisec) + os_clockrate - 1U) / os_clockrate;
+ if (tick > 0xFFFEU) { return 0xFFFEU; }
+
+ return (uint16_t)tick;
}
/// Convert Thread ID to TCB pointer
-static P_TCB rt_tid2ptcb (osThreadId thread_id) {
+P_TCB rt_tid2ptcb (osThreadId thread_id) {
P_TCB ptcb;
- if (thread_id == NULL) return NULL;
+ if (thread_id == NULL) { return NULL; }
- if ((uint32_t)thread_id & 3) return NULL;
+ if ((uint32_t)thread_id & 3U) { return NULL; }
#ifdef OS_SECTIONS_LINK_INFO
- if ((os_section_id$$Base != 0) && (os_section_id$$Limit != 0)) {
- if (thread_id < (osThreadId)os_section_id$$Base) return NULL;
- if (thread_id >= (osThreadId)os_section_id$$Limit) return NULL;
+ if ((os_section_id$$Base != 0U) && (os_section_id$$Limit != 0U)) {
+ if (thread_id < (osThreadId)os_section_id$$Base) { return NULL; }
+ if (thread_id >= (osThreadId)os_section_id$$Limit) { return NULL; }
}
#endif
ptcb = thread_id;
- if (ptcb->cb_type != TCB) return NULL;
+ if (ptcb->cb_type != TCB) { return NULL; }
return ptcb;
}
@@ -393,12 +431,12 @@
/// Convert ID pointer to Object pointer
static void *rt_id2obj (void *id) {
- if ((uint32_t)id & 3) return NULL;
+ if ((uint32_t)id & 3U) { return NULL; }
#ifdef OS_SECTIONS_LINK_INFO
- if ((os_section_id$$Base != 0) && (os_section_id$$Limit != 0)) {
- if (id < (void *)os_section_id$$Base) return NULL;
- if (id >= (void *)os_section_id$$Limit) return NULL;
+ if ((os_section_id$$Base != 0U) && (os_section_id$$Limit != 0U)) {
+ if (id < (void *)os_section_id$$Base) { return NULL; }
+ if (id >= (void *)os_section_id$$Limit) { return NULL; }
}
#endif
@@ -415,23 +453,46 @@
SVC_0_1(svcKernelInitialize, osStatus, RET_osStatus)
SVC_0_1(svcKernelStart, osStatus, RET_osStatus)
SVC_0_1(svcKernelRunning, int32_t, RET_int32_t)
+SVC_0_1(svcKernelSysTick, uint32_t, RET_uint32_t)
-extern void sysThreadError (osStatus status);
-osThreadId svcThreadCreate (osThreadDef_t *thread_def, void *argument);
-osMessageQId svcMessageCreate (osMessageQDef_t *queue_def, osThreadId thread_id);
+static void sysThreadError (osStatus status);
+osThreadId svcThreadCreate (const osThreadDef_t *thread_def, void *argument);
+osMessageQId svcMessageCreate (const osMessageQDef_t *queue_def, osThreadId thread_id);
// Kernel Control Service Calls
/// Initialize the RTOS Kernel for creating objects
osStatus svcKernelInitialize (void) {
- if (os_initialized) return osOK;
+#ifdef __MBED_CMSIS_RTOS_CM
+ if (!os_initialized) {
+ rt_sys_init(); // RTX System Initialization
+ }
+#else
+ uint32_t ret;
+
+ if (os_initialized == 0U) {
- rt_sys_init(); // RTX System Initialization
- os_tsk.run->prio = 255; // Highest priority
+ // Init Thread Stack Memory (must be 8-byte aligned)
+ if (((uint32_t)os_stack_mem & 7U) != 0U) { return osErrorNoMemory; }
+ ret = rt_init_mem(os_stack_mem, os_stack_sz);
+ if (ret != 0U) { return osErrorNoMemory; }
+
+ rt_sys_init(); // RTX System Initialization
+ }
+#endif
+
+ os_tsk.run->prio = 255U; // Highest priority
+
+ if (os_initialized == 0U) {
+ // Create OS Timers resources (Message Queue & Thread)
+ osMessageQId_osTimerMessageQ = svcMessageCreate (&os_messageQ_def_osTimerMessageQ, NULL);
+ osThreadId_osTimerThread = svcThreadCreate(&os_thread_def_osTimerThread, NULL);
+ }
sysThreadError(osOK);
- os_initialized = 1;
+ os_initialized = 1U;
+ os_running = 0U;
return osOK;
}
@@ -439,34 +500,53 @@
/// Start the RTOS Kernel
osStatus svcKernelStart (void) {
- if (os_running) return osOK;
+ if (os_running) { return osOK; }
- // Create OS Timers resources (Message Queue & Thread)
- osMessageQId_osTimerMessageQ = svcMessageCreate (&os_messageQ_def_osTimerMessageQ, NULL);
- osThreadId_osTimerThread = svcThreadCreate(&os_thread_def_osTimerThread, NULL);
-
- rt_tsk_prio(0, 0); // Lowest priority
- __set_PSP(os_tsk.run->tsk_stack + 8*4); // New context
- os_tsk.run = NULL; // Force context switch
+ rt_tsk_prio(0U, os_tsk.run->prio_base); // Restore priority
+ if (os_tsk.run->task_id == 0xFFU) { // Idle Thread
+ __set_PSP(os_tsk.run->tsk_stack + (8U*4U)); // Setup PSP
+ }
+ if (os_tsk.new_tsk == NULL) { // Force context switch
+ os_tsk.new_tsk = os_tsk.run;
+ os_tsk.run = NULL;
+ }
rt_sys_start();
- os_running = 1;
+ os_running = 1U;
return osOK;
}
/// Check if the RTOS kernel is already started
-int32_t svcKernelRunning(void) {
- return os_running;
+int32_t svcKernelRunning (void) {
+ return (int32_t)os_running;
+}
+
+/// Get the RTOS kernel system timer counter
+uint32_t svcKernelSysTick (void) {
+ uint32_t tick, tick0;
+
+ tick = os_tick_val();
+ if (os_tick_ovf()) {
+ tick0 = os_tick_val();
+ if (tick0 < tick) { tick = tick0; }
+ tick += (os_trv + 1U) * (os_time + 1U);
+ } else {
+ tick += (os_trv + 1U) * os_time;
+ }
+
+ return tick;
}
// Kernel Control Public API
/// Initialize the RTOS Kernel for creating objects
osStatus osKernelInitialize (void) {
- if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
- if ((__get_CONTROL() & 1) == 0) { // Privileged mode
+ if (__get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
+ if ((__get_CONTROL() & 1U) == 0U) { // Privileged mode
return svcKernelInitialize();
} else {
return __svcKernelInitialize();
@@ -477,95 +557,127 @@
osStatus osKernelStart (void) {
uint32_t stack[8];
- if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
- switch (__get_CONTROL() & 0x03) {
- case 0x00: // Privileged Thread mode & MSP
+ if (__get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
+ switch (__get_CONTROL() & 0x03U) {
+ case 0x00U: // Privileged Thread mode & MSP
__set_PSP((uint32_t)(stack + 8)); // Initial PSP
- if (os_flags & 1) {
- __set_CONTROL(0x02); // Set Privileged Thread mode & PSP
+ if (os_flags & 1U) {
+ __set_CONTROL(0x02U); // Set Privileged Thread mode & PSP
} else {
- __set_CONTROL(0x03); // Set Unprivileged Thread mode & PSP
+ __set_CONTROL(0x03U); // Set Unprivileged Thread mode & PSP
}
__DSB();
__ISB();
break;
- case 0x01: // Unprivileged Thread mode & MSP
+ case 0x01U: // Unprivileged Thread mode & MSP
return osErrorOS;
- case 0x02: // Privileged Thread mode & PSP
- if ((os_flags & 1) == 0) { // Unprivileged Thread mode requested
- __set_CONTROL(0x03); // Set Unprivileged Thread mode & PSP
+ case 0x02U: // Privileged Thread mode & PSP
+ if ((os_flags & 1U) == 0U) { // Unprivileged Thread mode requested
+ __set_CONTROL(0x03U); // Set Unprivileged Thread mode & PSP
__DSB();
__ISB();
}
break;
- case 0x03: // Unprivileged Thread mode & PSP
- if (os_flags & 1) return osErrorOS; // Privileged Thread mode requested
+ case 0x03U: // Unprivileged Thread mode & PSP
+ if (os_flags & 1U) { return osErrorOS; } // Privileged Thread mode requested
break;
}
return __svcKernelStart();
}
/// Check if the RTOS kernel is already started
-int32_t osKernelRunning(void) {
- if ((__get_IPSR() != 0) || ((__get_CONTROL() & 1) == 0)) {
+int32_t osKernelRunning (void) {
+ if ((__get_IPSR() != 0U) || ((__get_CONTROL() & 1U) == 0U)) {
// in ISR or Privileged
- return os_running;
+ return (int32_t)os_running;
} else {
return __svcKernelRunning();
}
}
+/// Get the RTOS kernel system timer counter
+uint32_t osKernelSysTick (void) {
+ if (__get_IPSR() != 0U) { return 0U; } // Not allowed in ISR
+ return __svcKernelSysTick();
+}
+
// ==== Thread Management ====
+/// Set Thread Error (for Create functions which return IDs)
+static void sysThreadError (osStatus status) {
+ // To Do
+}
+
__NO_RETURN void osThreadExit (void);
// Thread Service Calls declarations
-SVC_2_1(svcThreadCreate, osThreadId, osThreadDef_t *, void *, RET_pointer)
-SVC_0_1(svcThreadGetId, osThreadId, RET_pointer)
-SVC_1_1(svcThreadTerminate, osStatus, osThreadId, RET_osStatus)
-SVC_0_1(svcThreadYield, osStatus, RET_osStatus)
-SVC_2_1(svcThreadSetPriority, osStatus, osThreadId, osPriority, RET_osStatus)
-SVC_1_1(svcThreadGetPriority, osPriority, osThreadId, RET_osPriority)
+SVC_2_1(svcThreadCreate, osThreadId, const osThreadDef_t *, void *, RET_pointer)
+SVC_0_1(svcThreadGetId, osThreadId, RET_pointer)
+SVC_1_1(svcThreadTerminate, osStatus, osThreadId, RET_osStatus)
+SVC_0_1(svcThreadYield, osStatus, RET_osStatus)
+SVC_2_1(svcThreadSetPriority, osStatus, osThreadId, osPriority, RET_osStatus)
+SVC_1_1(svcThreadGetPriority, osPriority, osThreadId, RET_osPriority)
// Thread Service Calls
-extern OS_TID rt_get_TID (void);
-extern void rt_init_context (P_TCB p_TCB, U8 priority, FUNCP task_body);
/// Create a thread and add it to Active Threads and set it to state READY
-osThreadId svcThreadCreate (osThreadDef_t *thread_def, void *argument) {
+osThreadId svcThreadCreate (const osThreadDef_t *thread_def, void *argument) {
P_TCB ptcb;
+ OS_TID tsk;
+ void *stk;
if ((thread_def == NULL) ||
(thread_def->pthread == NULL) ||
(thread_def->tpriority < osPriorityIdle) ||
- (thread_def->tpriority > osPriorityRealtime) ||
- (thread_def->stacksize == 0) ||
- (thread_def->stack_pointer == NULL) ) {
- sysThreadError(osErrorParameter);
+ (thread_def->tpriority > osPriorityRealtime)) {
+ sysThreadError(osErrorParameter);
+ return NULL;
+ }
+
+#ifdef __MBED_CMSIS_RTOS_CM
+ if (thread_def->stacksize != 0) { // Custom stack size
+ stk = (void *)thread_def->stack_pointer;
+ } else { // Default stack size
+ stk = NULL;
+ }
+#else
+ if (thread_def->stacksize != 0) { // Custom stack size
+ stk = rt_alloc_mem( // Allocate stack
+ os_stack_mem,
+ thread_def->stacksize
+ );
+ if (stk == NULL) {
+ sysThreadError(osErrorNoMemory); // Out of memory
+ return NULL;
+ }
+ } else { // Default stack size
+ stk = NULL;
+ }
+#endif
+
+ tsk = rt_tsk_create( // Create task
+ (FUNCP)thread_def->pthread, // Task function pointer
+ (uint32_t)
+ (thread_def->tpriority-osPriorityIdle+1) | // Task priority
+ (thread_def->stacksize << 8), // Task stack size in bytes
+ stk, // Pointer to task's stack
+ argument // Argument to the task
+ );
+
+ if (tsk == 0U) { // Invalid task ID
+#ifndef __MBED_CMSIS_RTOS_CM
+ if (stk != NULL) {
+ rt_free_mem(os_stack_mem, stk); // Free allocated stack
+ }
+#endif
+ sysThreadError(osErrorNoMemory); // Create task failed (Out of memory)
return NULL;
}
- U8 priority = thread_def->tpriority - osPriorityIdle + 1;
- P_TCB task_context = &thread_def->tcb;
-
- /* Utilize the user provided stack. */
- task_context->stack = (U32*)thread_def->stack_pointer;
- task_context->priv_stack = thread_def->stacksize;
- /* Find a free entry in 'os_active_TCB' table. */
- OS_TID tsk = rt_get_TID ();
- os_active_TCB[tsk-1] = task_context;
- task_context->task_id = tsk;
- /* Pass parameter 'argv' to 'rt_init_context' */
- task_context->msg = argument;
- /* Initialize thread context structure, including the thread's stack. */
- rt_init_context (task_context, priority, (FUNCP)thread_def->pthread);
-
- /* Dispatch this task to the scheduler for execution. */
- DBG_TASK_NOTIFY(task_context, __TRUE);
- rt_dispatch (task_context);
-
- ptcb = (P_TCB)os_active_TCB[tsk - 1]; // TCB pointer
+ ptcb = (P_TCB)os_active_TCB[tsk - 1U]; // TCB pointer
*((uint32_t *)ptcb->tsk_stack + 13) = (uint32_t)osThreadExit;
@@ -577,21 +689,38 @@
OS_TID tsk;
tsk = rt_tsk_self();
- if (tsk == 0) return NULL;
- return (P_TCB)os_active_TCB[tsk - 1];
+ if (tsk == 0U) { return NULL; }
+ return (P_TCB)os_active_TCB[tsk - 1U];
}
/// Terminate execution of a thread and remove it from ActiveThreads
osStatus svcThreadTerminate (osThreadId thread_id) {
OS_RESULT res;
P_TCB ptcb;
+#ifndef __MBED_CMSIS_RTOS_CM
+ void *stk;
+#endif
ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
- if (ptcb == NULL) return osErrorParameter;
+ if (ptcb == NULL) {
+ return osErrorParameter;
+ }
+
+#ifndef __MBED_CMSIS_RTOS_CM
+ stk = ptcb->priv_stack ? ptcb->stack : NULL; // Private stack
+#endif
res = rt_tsk_delete(ptcb->task_id); // Delete task
- if (res == OS_R_NOK) return osErrorResource; // Delete task failed
+ if (res == OS_R_NOK) {
+ return osErrorResource; // Delete task failed
+ }
+
+#ifndef __MBED_CMSIS_RTOS_CM
+ if (stk != NULL) {
+ rt_free_mem(os_stack_mem, stk); // Free private stack
+ }
+#endif
return osOK;
}
@@ -608,7 +737,9 @@
P_TCB ptcb;
ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
- if (ptcb == NULL) return osErrorParameter;
+ if (ptcb == NULL) {
+ return osErrorParameter;
+ }
if ((priority < osPriorityIdle) || (priority > osPriorityRealtime)) {
return osErrorValue;
@@ -616,10 +747,12 @@
res = rt_tsk_prio( // Change task priority
ptcb->task_id, // Task ID
- priority - osPriorityIdle + 1 // New task priority
+ (uint8_t)(priority - osPriorityIdle + 1) // New task priority
);
- if (res == OS_R_NOK) return osErrorResource; // Change task priority failed
+ if (res == OS_R_NOK) {
+ return osErrorResource; // Change task priority failed
+ }
return osOK;
}
@@ -629,18 +762,22 @@
P_TCB ptcb;
ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
- if (ptcb == NULL) return osPriorityError;
+ if (ptcb == NULL) {
+ return osPriorityError;
+ }
- return (osPriority)(ptcb->prio - 1 + osPriorityIdle);
+ return (osPriority)(ptcb->prio - 1 + osPriorityIdle);
}
// Thread Public API
/// Create a thread and add it to Active Threads and set it to state READY
-osThreadId osThreadCreate (osThreadDef_t *thread_def, void *argument) {
- if (__get_IPSR() != 0) return NULL; // Not allowed in ISR
- if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
+osThreadId osThreadCreate (const osThreadDef_t *thread_def, void *argument) {
+ if (__get_IPSR() != 0U) {
+ return NULL; // Not allowed in ISR
+ }
+ if (((__get_CONTROL() & 1U) == 0U) && (os_running == 0U)) {
// Privileged and not running
return svcThreadCreate(thread_def, argument);
} else {
@@ -650,41 +787,64 @@
/// Return the thread ID of the current running thread
osThreadId osThreadGetId (void) {
- if (__get_IPSR() != 0) return NULL; // Not allowed in ISR
+ if (__get_IPSR() != 0U) {
+ return NULL; // Not allowed in ISR
+ }
return __svcThreadGetId();
}
/// Terminate execution of a thread and remove it from ActiveThreads
osStatus osThreadTerminate (osThreadId thread_id) {
- if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
+ if (__get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
return __svcThreadTerminate(thread_id);
}
/// Pass control to next thread that is in state READY
osStatus osThreadYield (void) {
- if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
+ if (__get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
return __svcThreadYield();
}
/// Change priority of an active thread
osStatus osThreadSetPriority (osThreadId thread_id, osPriority priority) {
- if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
+ if (__get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
return __svcThreadSetPriority(thread_id, priority);
}
/// Get current priority of an active thread
osPriority osThreadGetPriority (osThreadId thread_id) {
- if (__get_IPSR() != 0) return osPriorityError;// Not allowed in ISR
+ if (__get_IPSR() != 0U) {
+ return osPriorityError; // Not allowed in ISR
+ }
return __svcThreadGetPriority(thread_id);
}
/// INTERNAL - Not Public
/// Auto Terminate Thread on exit (used implicitly when thread exists)
-__NO_RETURN void osThreadExit (void) {
- __svcThreadTerminate(__svcThreadGetId());
+__NO_RETURN void osThreadExit (void) {
+ __svcThreadTerminate(__svcThreadGetId());
for (;;); // Should never come here
}
+#ifdef __MBED_CMSIS_RTOS_CM
+/// Get current thread state
+uint8_t osThreadGetState (osThreadId thread_id) {
+ P_TCB ptcb;
+
+ if (__get_IPSR() != 0U) return osErrorISR; // Not allowed in ISR
+
+ ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
+ if (ptcb == NULL) return osErrorParameter;
+
+ return ptcb->state;
+}
+#endif
// ==== Generic Wait Functions ====
@@ -698,7 +858,7 @@
/// Wait for Timeout (Time Delay)
osStatus svcDelay (uint32_t millisec) {
- if (millisec == 0) return osOK;
+ if (millisec == 0U) { return osOK; }
rt_dly_wait(rt_ms2tick(millisec));
return osEventTimeout;
}
@@ -708,7 +868,7 @@
os_InRegs osEvent_type svcWait (uint32_t millisec) {
osEvent ret;
- if (millisec == 0) {
+ if (millisec == 0U) {
ret.status = osOK;
return osEvent_ret_status;
}
@@ -726,7 +886,9 @@
/// Wait for Timeout (Time Delay)
osStatus osDelay (uint32_t millisec) {
- if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
+ if (__get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
return __svcDelay(millisec);
}
@@ -738,7 +900,7 @@
ret.status = osErrorOS;
return ret;
#else
- if (__get_IPSR() != 0) { // Not allowed in ISR
+ if (__get_IPSR() != 0U) { // Not allowed in ISR
ret.status = osErrorISR;
return ret;
}
@@ -750,21 +912,21 @@
// ==== Timer Management ====
// Timer definitions
-#define osTimerInvalid 0
-#define osTimerStopped 1
-#define osTimerRunning 2
+#define osTimerInvalid 0U
+#define osTimerStopped 1U
+#define osTimerRunning 2U
-// Timer structures
+// Timer structures
typedef struct os_timer_cb_ { // Timer Control Block
struct os_timer_cb_ *next; // Pointer to next active Timer
uint8_t state; // Timer State
uint8_t type; // Timer Type (Periodic/One-shot)
uint16_t reserved; // Reserved
- uint16_t tcnt; // Timer Delay Count
- uint16_t icnt; // Timer Initial Count
+ uint32_t tcnt; // Timer Delay Count
+ uint32_t icnt; // Timer Initial Count
void *arg; // Timer Function Argument
- osTimerDef_t *timer; // Pointer to Timer definition
+ const osTimerDef_t *timer; // Pointer to Timer definition
} os_timer_cb;
// Timer variables
@@ -780,13 +942,13 @@
prev = NULL;
p = os_timer_head;
while (p != NULL) {
- if (tcnt < p->tcnt) break;
+ if (tcnt < p->tcnt) { break; }
tcnt -= p->tcnt;
prev = p;
p = p->next;
}
pt->next = p;
- pt->tcnt = (uint16_t)tcnt;
+ pt->tcnt = tcnt;
if (p != NULL) {
p->tcnt -= pt->tcnt;
}
@@ -798,17 +960,17 @@
}
// Remove Timer from the list
-static int rt_timer_remove (os_timer_cb *pt) {
+static int32_t rt_timer_remove (os_timer_cb *pt) {
os_timer_cb *p, *prev;
prev = NULL;
p = os_timer_head;
while (p != NULL) {
- if (p == pt) break;
+ if (p == pt) { break; }
prev = p;
p = p->next;
}
- if (p == NULL) return -1;
+ if (p == NULL) { return -1; }
if (prev != NULL) {
prev->next = pt->next;
} else {
@@ -823,16 +985,16 @@
// Timer Service Calls declarations
-SVC_3_1(svcTimerCreate, osTimerId, osTimerDef_t *, os_timer_type, void *, RET_pointer)
-SVC_2_1(svcTimerStart, osStatus, osTimerId, uint32_t, RET_osStatus)
-SVC_1_1(svcTimerStop, osStatus, osTimerId, RET_osStatus)
-SVC_1_1(svcTimerDelete, osStatus, osTimerId, RET_osStatus)
-SVC_1_2(svcTimerCall, os_InRegs osCallback, osTimerId, RET_osCallback)
+SVC_3_1(svcTimerCreate, osTimerId, const osTimerDef_t *, os_timer_type, void *, RET_pointer)
+SVC_2_1(svcTimerStart, osStatus, osTimerId, uint32_t, RET_osStatus)
+SVC_1_1(svcTimerStop, osStatus, osTimerId, RET_osStatus)
+SVC_1_1(svcTimerDelete, osStatus, osTimerId, RET_osStatus)
+SVC_1_2(svcTimerCall, os_InRegs osCallback, osTimerId, RET_osCallback)
// Timer Management Service Calls
/// Create timer
-osTimerId svcTimerCreate (osTimerDef_t *timer_def, os_timer_type type, void *argument) {
+osTimerId svcTimerCreate (const osTimerDef_t *timer_def, os_timer_type type, void *argument) {
os_timer_cb *pt;
if ((timer_def == NULL) || (timer_def->ptimer == NULL)) {
@@ -861,6 +1023,7 @@
return NULL;
}
+ pt->next = NULL;
pt->state = osTimerStopped;
pt->type = (uint8_t)type;
pt->arg = argument;
@@ -875,10 +1038,13 @@
uint32_t tcnt;
pt = rt_id2obj(timer_id);
- if (pt == NULL) return osErrorParameter;
+ if (pt == NULL) {
+ return osErrorParameter;
+ }
- tcnt = rt_ms2tick(millisec);
- if (tcnt == 0) return osErrorValue;
+ if (millisec == 0U) { return osErrorValue; }
+
+ tcnt = (uint32_t)(((1000U * (uint64_t)millisec) + os_clockrate - 1U) / os_clockrate);
switch (pt->state) {
case osTimerRunning:
@@ -888,12 +1054,12 @@
break;
case osTimerStopped:
pt->state = osTimerRunning;
- pt->icnt = (uint16_t)tcnt;
+ pt->icnt = tcnt;
break;
default:
return osErrorResource;
}
-
+
rt_timer_insert(pt, tcnt);
return osOK;
@@ -904,9 +1070,11 @@
os_timer_cb *pt;
pt = rt_id2obj(timer_id);
- if (pt == NULL) return osErrorParameter;
+ if (pt == NULL) {
+ return osErrorParameter;
+ }
- if (pt->state != osTimerRunning) return osErrorResource;
+ if (pt->state != osTimerRunning) { return osErrorResource; }
pt->state = osTimerStopped;
@@ -922,7 +1090,9 @@
os_timer_cb *pt;
pt = rt_id2obj(timer_id);
- if (pt == NULL) return osErrorParameter;
+ if (pt == NULL) {
+ return osErrorParameter;
+ }
switch (pt->state) {
case osTimerRunning:
@@ -957,22 +1127,26 @@
return osCallback_ret;
}
-static __INLINE osStatus isrMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec);
+osStatus isrMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec);
/// Timer Tick (called each SysTick)
void sysTimerTick (void) {
os_timer_cb *pt, *p;
+ osStatus status;
p = os_timer_head;
- if (p == NULL) return;
+ if (p == NULL) { return; }
p->tcnt--;
- while ((p != NULL) && (p->tcnt == 0)) {
+ while ((p != NULL) && (p->tcnt == 0U)) {
pt = p;
p = p->next;
os_timer_head = p;
- isrMessagePut(osMessageQId_osTimerMessageQ, (uint32_t)pt, 0);
- if (pt->type == osTimerPeriodic) {
+ status = isrMessagePut(osMessageQId_osTimerMessageQ, (uint32_t)pt, 0U);
+ if (status != osOK) {
+ os_error(OS_ERR_TIMER_OVF);
+ }
+ if (pt->type == (uint8_t)osTimerPeriodic) {
rt_timer_insert(pt, pt->icnt);
} else {
pt->state = osTimerStopped;
@@ -980,13 +1154,39 @@
}
}
+/// Get user timers wake-up time
+uint32_t sysUserTimerWakeupTime (void) {
+
+ if (os_timer_head) {
+ return os_timer_head->tcnt;
+ }
+ return 0xFFFFFFFFU;
+}
+
+/// Update user timers on resume
+void sysUserTimerUpdate (uint32_t sleep_time) {
+
+ while ((os_timer_head != NULL) && (sleep_time != 0U)) {
+ if (sleep_time >= os_timer_head->tcnt) {
+ sleep_time -= os_timer_head->tcnt;
+ os_timer_head->tcnt = 1U;
+ sysTimerTick();
+ } else {
+ os_timer_head->tcnt -= sleep_time;
+ break;
+ }
+ }
+}
+
// Timer Management Public API
/// Create timer
-osTimerId osTimerCreate (osTimerDef_t *timer_def, os_timer_type type, void *argument) {
- if (__get_IPSR() != 0) return NULL; // Not allowed in ISR
- if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
+osTimerId osTimerCreate (const osTimerDef_t *timer_def, os_timer_type type, void *argument) {
+ if (__get_IPSR() != 0U) {
+ return NULL; // Not allowed in ISR
+ }
+ if (((__get_CONTROL() & 1U) == 0U) && (os_running == 0U)) {
// Privileged and not running
return svcTimerCreate(timer_def, type, argument);
} else {
@@ -996,26 +1196,32 @@
/// Start or restart timer
osStatus osTimerStart (osTimerId timer_id, uint32_t millisec) {
- if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
+ if (__get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
return __svcTimerStart(timer_id, millisec);
}
/// Stop timer
osStatus osTimerStop (osTimerId timer_id) {
- if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
+ if (__get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
return __svcTimerStop(timer_id);
}
/// Delete timer
osStatus osTimerDelete (osTimerId timer_id) {
- if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
+ if (__get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
return __svcTimerDelete(timer_id);
}
/// INTERNAL - Not Public
/// Get timer callback parameters (used by OS Timer Thread)
-os_InRegs osCallback osTimerCall (osTimerId timer_id) {
- return __svcTimerCall(timer_id);
+os_InRegs osCallback osTimerCall (osTimerId timer_id) {
+ return __svcTimerCall(timer_id);
}
@@ -1041,7 +1247,6 @@
// Signal Service Calls declarations
SVC_2_1(svcSignalSet, int32_t, osThreadId, int32_t, RET_int32_t)
SVC_2_1(svcSignalClear, int32_t, osThreadId, int32_t, RET_int32_t)
-SVC_1_1(svcSignalGet, int32_t, osThreadId, RET_int32_t)
SVC_2_3(svcSignalWait, os_InRegs osEvent, int32_t, uint32_t, RET_osEvent)
// Signal Service Calls
@@ -1052,13 +1257,17 @@
int32_t sig;
ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
- if (ptcb == NULL) return 0x80000000;
-
- if (signals & (0xFFFFFFFF << osFeature_Signals)) return 0x80000000;
+ if (ptcb == NULL) {
+ return (int32_t)0x80000000U;
+ }
- sig = ptcb->events; // Previous signal flags
+ if ((uint32_t)signals & (0xFFFFFFFFU << osFeature_Signals)) {
+ return (int32_t)0x80000000U;
+ }
- rt_evt_set(signals, ptcb->task_id); // Set event flags
+ sig = (int32_t)ptcb->events; // Previous signal flags
+
+ rt_evt_set((uint16_t)signals, ptcb->task_id); // Set event flags
return sig;
}
@@ -1069,48 +1278,42 @@
int32_t sig;
ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
- if (ptcb == NULL) return 0x80000000;
-
- if (signals & (0xFFFFFFFF << osFeature_Signals)) return 0x80000000;
+ if (ptcb == NULL) {
+ return (int32_t)0x80000000U;
+ }
- sig = ptcb->events; // Previous signal flags
+ if ((uint32_t)signals & (0xFFFFFFFFU << osFeature_Signals)) {
+ return (int32_t)0x80000000U;
+ }
- rt_evt_clr(signals, ptcb->task_id); // Clear event flags
+ sig = (int32_t)ptcb->events; // Previous signal flags
+
+ rt_evt_clr((uint16_t)signals, ptcb->task_id); // Clear event flags
return sig;
}
-/// Get Signal Flags status of an active thread
-int32_t svcSignalGet (osThreadId thread_id) {
- P_TCB ptcb;
-
- ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
- if (ptcb == NULL) return 0x80000000;
-
- return ptcb->events; // Return event flags
-}
-
/// Wait for one or more Signal Flags to become signaled for the current RUNNING thread
os_InRegs osEvent_type svcSignalWait (int32_t signals, uint32_t millisec) {
OS_RESULT res;
osEvent ret;
- if (signals & (0xFFFFFFFF << osFeature_Signals)) {
+ if ((uint32_t)signals & (0xFFFFFFFFU << osFeature_Signals)) {
ret.status = osErrorValue;
return osEvent_ret_status;
}
if (signals != 0) { // Wait for all specified signals
- res = rt_evt_wait(signals, rt_ms2tick(millisec), __TRUE);
+ res = rt_evt_wait((uint16_t)signals, rt_ms2tick(millisec), __TRUE);
} else { // Wait for any signal
- res = rt_evt_wait(0xFFFF, rt_ms2tick(millisec), __FALSE);
+ res = rt_evt_wait(0xFFFFU, rt_ms2tick(millisec), __FALSE);
}
if (res == OS_R_EVT) {
ret.status = osEventSignal;
- ret.value.signals = signals ? signals : os_tsk.run->waits;
+ ret.value.signals = (signals != 0) ? signals : (int32_t)os_tsk.run->waits;
} else {
- ret.status = millisec ? osEventTimeout : osOK;
+ ret.status = (millisec != 0U) ? osEventTimeout : osOK;
ret.value.signals = 0;
}
@@ -1121,18 +1324,22 @@
// Signal ISR Calls
/// Set the specified Signal Flags of an active thread
-static __INLINE int32_t isrSignalSet (osThreadId thread_id, int32_t signals) {
+int32_t isrSignalSet (osThreadId thread_id, int32_t signals) {
P_TCB ptcb;
int32_t sig;
ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
- if (ptcb == NULL) return 0x80000000;
-
- if (signals & (0xFFFFFFFF << osFeature_Signals)) return 0x80000000;
+ if (ptcb == NULL) {
+ return (int32_t)0x80000000U;
+ }
- sig = ptcb->events; // Previous signal flags
+ if ((uint32_t)signals & (0xFFFFFFFFU << osFeature_Signals)) {
+ return (int32_t)0x80000000U;
+ }
- isr_evt_set(signals, ptcb->task_id); // Set event flags
+ sig = (int32_t)ptcb->events; // Previous signal flags
+
+ isr_evt_set((uint16_t)signals, ptcb->task_id);// Set event flags
return sig;
}
@@ -1142,8 +1349,8 @@
/// Set the specified Signal Flags of an active thread
int32_t osSignalSet (osThreadId thread_id, int32_t signals) {
- if (__get_IPSR() != 0) { // in ISR
- return isrSignalSet(thread_id, signals);
+ if (__get_IPSR() != 0U) { // in ISR
+ return isrSignalSet(thread_id, signals);
} else { // in Thread
return __svcSignalSet(thread_id, signals);
}
@@ -1151,21 +1358,17 @@
/// Clear the specified Signal Flags of an active thread
int32_t osSignalClear (osThreadId thread_id, int32_t signals) {
- if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
+ if (__get_IPSR() != 0U) {
+ return (int32_t)0x80000000U; // Not allowed in ISR
+ }
return __svcSignalClear(thread_id, signals);
}
-/// Get Signal Flags status of an active thread
-int32_t osSignalGet (osThreadId thread_id) {
- if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
- return __svcSignalGet(thread_id);
-}
-
/// Wait for one or more Signal Flags to become signaled for the current RUNNING thread
os_InRegs osEvent osSignalWait (int32_t signals, uint32_t millisec) {
osEvent ret;
- if (__get_IPSR() != 0) { // Not allowed in ISR
+ if (__get_IPSR() != 0U) { // Not allowed in ISR
ret.status = osErrorISR;
return ret;
}
@@ -1176,15 +1379,15 @@
// ==== Mutex Management ====
// Mutex Service Calls declarations
-SVC_1_1(svcMutexCreate, osMutexId, osMutexDef_t *, RET_pointer)
-SVC_2_1(svcMutexWait, osStatus, osMutexId, uint32_t, RET_osStatus)
-SVC_1_1(svcMutexRelease, osStatus, osMutexId, RET_osStatus)
-SVC_1_1(svcMutexDelete, osStatus, osMutexId, RET_osStatus)
+SVC_1_1(svcMutexCreate, osMutexId, const osMutexDef_t *, RET_pointer)
+SVC_2_1(svcMutexWait, osStatus, osMutexId, uint32_t, RET_osStatus)
+SVC_1_1(svcMutexRelease, osStatus, osMutexId, RET_osStatus)
+SVC_1_1(svcMutexDelete, osStatus, osMutexId, RET_osStatus)
// Mutex Service Calls
/// Create and Initialize a Mutex object
-osMutexId svcMutexCreate (osMutexDef_t *mutex_def) {
+osMutexId svcMutexCreate (const osMutexDef_t *mutex_def) {
OS_ID mut;
if (mutex_def == NULL) {
@@ -1198,7 +1401,7 @@
return NULL;
}
- if (((P_MUCB)mut)->cb_type != 0) {
+ if (((P_MUCB)mut)->cb_type != 0U) {
sysThreadError(osErrorParameter);
return NULL;
}
@@ -1214,14 +1417,18 @@
OS_RESULT res;
mut = rt_id2obj(mutex_id);
- if (mut == NULL) return osErrorParameter;
+ if (mut == NULL) {
+ return osErrorParameter;
+ }
- if (((P_MUCB)mut)->cb_type != MUCB) return osErrorParameter;
+ if (((P_MUCB)mut)->cb_type != MUCB) {
+ return osErrorParameter;
+ }
res = rt_mut_wait(mut, rt_ms2tick(millisec)); // Wait for Mutex
if (res == OS_R_TMO) {
- return (millisec ? osErrorTimeoutResource : osErrorResource);
+ return ((millisec != 0U) ? osErrorTimeoutResource : osErrorResource);
}
return osOK;
@@ -1233,13 +1440,19 @@
OS_RESULT res;
mut = rt_id2obj(mutex_id);
- if (mut == NULL) return osErrorParameter;
+ if (mut == NULL) {
+ return osErrorParameter;
+ }
- if (((P_MUCB)mut)->cb_type != MUCB) return osErrorParameter;
+ if (((P_MUCB)mut)->cb_type != MUCB) {
+ return osErrorParameter;
+ }
res = rt_mut_release(mut); // Release Mutex
- if (res == OS_R_NOK) return osErrorResource; // Thread not owner or Zero Counter
+ if (res == OS_R_NOK) {
+ return osErrorResource; // Thread not owner or Zero Counter
+ }
return osOK;
}
@@ -1249,9 +1462,13 @@
OS_ID mut;
mut = rt_id2obj(mutex_id);
- if (mut == NULL) return osErrorParameter;
+ if (mut == NULL) {
+ return osErrorParameter;
+ }
- if (((P_MUCB)mut)->cb_type != MUCB) return osErrorParameter;
+ if (((P_MUCB)mut)->cb_type != MUCB) {
+ return osErrorParameter;
+ }
rt_mut_delete(mut); // Release Mutex
@@ -1262,9 +1479,11 @@
// Mutex Public API
/// Create and Initialize a Mutex object
-osMutexId osMutexCreate (osMutexDef_t *mutex_def) {
- if (__get_IPSR() != 0) return NULL; // Not allowed in ISR
- if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
+osMutexId osMutexCreate (const osMutexDef_t *mutex_def) {
+ if (__get_IPSR() != 0U) {
+ return NULL; // Not allowed in ISR
+ }
+ if (((__get_CONTROL() & 1U) == 0U) && (os_running == 0U)) {
// Privileged and not running
return svcMutexCreate(mutex_def);
} else {
@@ -1274,19 +1493,25 @@
/// Wait until a Mutex becomes available
osStatus osMutexWait (osMutexId mutex_id, uint32_t millisec) {
- if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
+ if (__get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
return __svcMutexWait(mutex_id, millisec);
}
/// Release a Mutex that was obtained with osMutexWait
osStatus osMutexRelease (osMutexId mutex_id) {
- if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
+ if (__get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
return __svcMutexRelease(mutex_id);
}
/// Delete a Mutex that was created by osMutexCreate
osStatus osMutexDelete (osMutexId mutex_id) {
- if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
+ if (__get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
return __svcMutexDelete(mutex_id);
}
@@ -1295,8 +1520,8 @@
// Semaphore Service Calls declarations
SVC_2_1(svcSemaphoreCreate, osSemaphoreId, const osSemaphoreDef_t *, int32_t, RET_pointer)
-SVC_2_1(svcSemaphoreWait, int32_t, osSemaphoreId, uint32_t, RET_int32_t)
-SVC_1_1(svcSemaphoreRelease, osStatus, osSemaphoreId, RET_osStatus)
+SVC_2_1(svcSemaphoreWait, int32_t, osSemaphoreId, uint32_t, RET_int32_t)
+SVC_1_1(svcSemaphoreRelease, osStatus, osSemaphoreId, RET_osStatus)
SVC_1_1(svcSemaphoreDelete, osStatus, osSemaphoreId, RET_osStatus)
// Semaphore Service Calls
@@ -1316,7 +1541,7 @@
return NULL;
}
- if (((P_SCB)sem)->cb_type != 0) {
+ if (((P_SCB)sem)->cb_type != 0U) {
sysThreadError(osErrorParameter);
return NULL;
}
@@ -1326,8 +1551,8 @@
return NULL;
}
- rt_sem_init(sem, count); // Initialize Semaphore
-
+ rt_sem_init(sem, (uint16_t)count); // Initialize Semaphore
+
return sem;
}
@@ -1337,15 +1562,19 @@
OS_RESULT res;
sem = rt_id2obj(semaphore_id);
- if (sem == NULL) return -1;
+ if (sem == NULL) {
+ return -1;
+ }
- if (((P_SCB)sem)->cb_type != SCB) return -1;
+ if (((P_SCB)sem)->cb_type != SCB) {
+ return -1;
+ }
res = rt_sem_wait(sem, rt_ms2tick(millisec)); // Wait for Semaphore
- if (res == OS_R_TMO) return 0; // Timeout
+ if (res == OS_R_TMO) { return 0; } // Timeout
- return (((P_SCB)sem)->tokens + 1);
+ return (int32_t)(((P_SCB)sem)->tokens + 1U);
}
/// Release a Semaphore
@@ -1353,12 +1582,18 @@
OS_ID sem;
sem = rt_id2obj(semaphore_id);
- if (sem == NULL) return osErrorParameter;
+ if (sem == NULL) {
+ return osErrorParameter;
+ }
- if (((P_SCB)sem)->cb_type != SCB) return osErrorParameter;
+ if (((P_SCB)sem)->cb_type != SCB) {
+ return osErrorParameter;
+ }
- if (((P_SCB)sem)->tokens == osFeature_Semaphore) return osErrorResource;
-
+ if ((int32_t)((P_SCB)sem)->tokens == osFeature_Semaphore) {
+ return osErrorResource;
+ }
+
rt_sem_send(sem); // Release Semaphore
return osOK;
@@ -1369,9 +1604,13 @@
OS_ID sem;
sem = rt_id2obj(semaphore_id);
- if (sem == NULL) return osErrorParameter;
+ if (sem == NULL) {
+ return osErrorParameter;
+ }
- if (((P_SCB)sem)->cb_type != SCB) return osErrorParameter;
+ if (((P_SCB)sem)->cb_type != SCB) {
+ return osErrorParameter;
+ }
rt_sem_delete(sem); // Delete Semaphore
@@ -1382,15 +1621,21 @@
// Semaphore ISR Calls
/// Release a Semaphore
-static __INLINE osStatus isrSemaphoreRelease (osSemaphoreId semaphore_id) {
+osStatus isrSemaphoreRelease (osSemaphoreId semaphore_id) {
OS_ID sem;
sem = rt_id2obj(semaphore_id);
- if (sem == NULL) return osErrorParameter;
+ if (sem == NULL) {
+ return osErrorParameter;
+ }
- if (((P_SCB)sem)->cb_type != SCB) return osErrorParameter;
+ if (((P_SCB)sem)->cb_type != SCB) {
+ return osErrorParameter;
+ }
- if (((P_SCB)sem)->tokens == osFeature_Semaphore) return osErrorResource;
+ if ((int32_t)((P_SCB)sem)->tokens == osFeature_Semaphore) {
+ return osErrorResource;
+ }
isr_sem_send(sem); // Release Semaphore
@@ -1401,9 +1646,11 @@
// Semaphore Public API
/// Create and Initialize a Semaphore object
-osSemaphoreId osSemaphoreCreate (osSemaphoreDef_t *semaphore_def, int32_t count) {
- if (__get_IPSR() != 0) return NULL; // Not allowed in ISR
- if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
+osSemaphoreId osSemaphoreCreate (const osSemaphoreDef_t *semaphore_def, int32_t count) {
+ if (__get_IPSR() != 0U) {
+ return NULL; // Not allowed in ISR
+ }
+ if (((__get_CONTROL() & 1U) == 0U) && (os_running == 0U)) {
// Privileged and not running
return svcSemaphoreCreate(semaphore_def, count);
} else {
@@ -1413,13 +1660,15 @@
/// Wait until a Semaphore becomes available
int32_t osSemaphoreWait (osSemaphoreId semaphore_id, uint32_t millisec) {
- if (__get_IPSR() != 0) return -1; // Not allowed in ISR
+ if (__get_IPSR() != 0U) {
+ return -1; // Not allowed in ISR
+ }
return __svcSemaphoreWait(semaphore_id, millisec);
}
/// Release a Semaphore
osStatus osSemaphoreRelease (osSemaphoreId semaphore_id) {
- if (__get_IPSR() != 0) { // in ISR
+ if (__get_IPSR() != 0U) { // in ISR
return isrSemaphoreRelease(semaphore_id);
} else { // in Thread
return __svcSemaphoreRelease(semaphore_id);
@@ -1428,7 +1677,9 @@
/// Delete a Semaphore that was created by osSemaphoreCreate
osStatus osSemaphoreDelete (osSemaphoreId semaphore_id) {
- if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
+ if (__get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
return __svcSemaphoreDelete(semaphore_id);
}
@@ -1441,18 +1692,18 @@
static void rt_clr_box (void *box_mem, void *box) {
uint32_t *p, n;
- if (box) {
+ if ((box_mem != NULL) && (box != NULL)) {
p = box;
- for (n = ((P_BM)box_mem)->blk_size; n; n -= 4) {
- *p++ = 0;
+ for (n = ((P_BM)box_mem)->blk_size; n; n -= 4U) {
+ *p++ = 0U;
}
}
}
// Memory Management Service Calls declarations
-SVC_1_1(svcPoolCreate, osPoolId, const osPoolDef_t *, RET_pointer)
-SVC_2_1(sysPoolAlloc, void *, osPoolId, uint32_t, RET_pointer)
-SVC_2_1(sysPoolFree, osStatus, osPoolId, void *, RET_osStatus)
+SVC_1_1(svcPoolCreate, osPoolId, const osPoolDef_t *, RET_pointer)
+SVC_1_1(sysPoolAlloc, void *, osPoolId, RET_pointer)
+SVC_2_1(sysPoolFree, osStatus, osPoolId, void *, RET_osStatus)
// Memory Management Service & ISR Calls
@@ -1461,42 +1712,45 @@
uint32_t blk_sz;
if ((pool_def == NULL) ||
- (pool_def->pool_sz == 0) ||
- (pool_def->item_sz == 0) ||
+ (pool_def->pool_sz == 0U) ||
+ (pool_def->item_sz == 0U) ||
(pool_def->pool == NULL)) {
sysThreadError(osErrorParameter);
return NULL;
}
- blk_sz = (pool_def->item_sz + 3) & ~3;
+ blk_sz = (pool_def->item_sz + 3U) & (uint32_t)~3U;
- _init_box(pool_def->pool, sizeof(struct OS_BM) + pool_def->pool_sz * blk_sz, blk_sz);
+ _init_box(pool_def->pool, sizeof(struct OS_BM) + (pool_def->pool_sz * blk_sz), blk_sz);
return pool_def->pool;
}
/// Allocate a memory block from a memory pool
-void *sysPoolAlloc (osPoolId pool_id, uint32_t clr) {
- void *ptr;
+void *sysPoolAlloc (osPoolId pool_id) {
+ void *mem;
- if (pool_id == NULL) return NULL;
-
- ptr = rt_alloc_box(pool_id);
- if (clr) {
- rt_clr_box(pool_id, ptr);
+ if (pool_id == NULL) {
+ return NULL;
}
- return ptr;
+ mem = rt_alloc_box(pool_id);
+
+ return mem;
}
/// Return an allocated memory block back to a specific memory pool
osStatus sysPoolFree (osPoolId pool_id, void *block) {
- int32_t res;
-
- if (pool_id == NULL) return osErrorParameter;
+ uint32_t res;
+
+ if (pool_id == NULL) {
+ return osErrorParameter;
+ }
res = rt_free_box(pool_id, block);
- if (res != 0) return osErrorValue;
+ if (res != 0) {
+ return osErrorValue;
+ }
return osOK;
}
@@ -1505,9 +1759,11 @@
// Memory Management Public API
/// Create and Initialize memory pool
-osPoolId osPoolCreate (osPoolDef_t *pool_def) {
- if (__get_IPSR() != 0) return NULL; // Not allowed in ISR
- if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
+osPoolId osPoolCreate (const osPoolDef_t *pool_def) {
+ if (__get_IPSR() != 0U) {
+ return NULL; // Not allowed in ISR
+ }
+ if (((__get_CONTROL() & 1U) == 0U) && (os_running == 0U)) {
// Privileged and not running
return svcPoolCreate(pool_def);
} else {
@@ -1517,25 +1773,31 @@
/// Allocate a memory block from a memory pool
void *osPoolAlloc (osPoolId pool_id) {
- if ((__get_IPSR() != 0) || ((__get_CONTROL() & 1) == 0)) { // in ISR or Privileged
- return sysPoolAlloc(pool_id, 0);
+ if ((__get_IPSR() != 0U) || ((__get_CONTROL() & 1U) == 0U)) { // in ISR or Privileged
+ return sysPoolAlloc(pool_id);
} else { // in Thread
- return __sysPoolAlloc(pool_id, 0);
+ return __sysPoolAlloc(pool_id);
}
}
/// Allocate a memory block from a memory pool and set memory block to zero
void *osPoolCAlloc (osPoolId pool_id) {
- if ((__get_IPSR() != 0) || ((__get_CONTROL() & 1) == 0)) { // in ISR or Privileged
- return sysPoolAlloc(pool_id, 1);
+ void *mem;
+
+ if ((__get_IPSR() != 0U) || ((__get_CONTROL() & 1U) == 0U)) { // in ISR or Privileged
+ mem = sysPoolAlloc(pool_id);
} else { // in Thread
- return __sysPoolAlloc(pool_id, 1);
+ mem = __sysPoolAlloc(pool_id);
}
+
+ rt_clr_box(pool_id, mem);
+
+ return mem;
}
/// Return an allocated memory block back to a specific memory pool
osStatus osPoolFree (osPoolId pool_id, void *block) {
- if ((__get_IPSR() != 0) || ((__get_CONTROL() & 1) == 0)) { // in ISR or Privileged
+ if ((__get_IPSR() != 0U) || ((__get_CONTROL() & 1U) == 0U)) { // in ISR or Privileged
return sysPoolFree(pool_id, block);
} else { // in Thread
return __sysPoolFree(pool_id, block);
@@ -1546,28 +1808,28 @@
// ==== Message Queue Management Functions ====
// Message Queue Management Service Calls declarations
-SVC_2_1(svcMessageCreate, osMessageQId, osMessageQDef_t *, osThreadId, RET_pointer)
-SVC_3_1(svcMessagePut, osStatus, osMessageQId, uint32_t, uint32_t, RET_osStatus)
-SVC_2_3(svcMessageGet, os_InRegs osEvent, osMessageQId, uint32_t, RET_osEvent)
+SVC_2_1(svcMessageCreate, osMessageQId, const osMessageQDef_t *, osThreadId, RET_pointer)
+SVC_3_1(svcMessagePut, osStatus, osMessageQId, uint32_t, uint32_t, RET_osStatus)
+SVC_2_3(svcMessageGet, os_InRegs osEvent, osMessageQId, uint32_t, RET_osEvent)
// Message Queue Service Calls
/// Create and Initialize Message Queue
-osMessageQId svcMessageCreate (osMessageQDef_t *queue_def, osThreadId thread_id) {
+osMessageQId svcMessageCreate (const osMessageQDef_t *queue_def, osThreadId thread_id) {
if ((queue_def == NULL) ||
- (queue_def->queue_sz == 0) ||
+ (queue_def->queue_sz == 0U) ||
(queue_def->pool == NULL)) {
sysThreadError(osErrorParameter);
return NULL;
}
-
- if (((P_MCB)queue_def->pool)->cb_type != 0) {
+
+ if (((P_MCB)queue_def->pool)->cb_type != 0U) {
sysThreadError(osErrorParameter);
return NULL;
}
- rt_mbx_init(queue_def->pool, 4*(queue_def->queue_sz + 4));
+ rt_mbx_init(queue_def->pool, (uint16_t)(4U*(queue_def->queue_sz + 4U)));
return queue_def->pool;
}
@@ -1576,14 +1838,18 @@
osStatus svcMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) {
OS_RESULT res;
- if (queue_id == NULL) return osErrorParameter;
+ if (queue_id == NULL) {
+ return osErrorParameter;
+ }
- if (((P_MCB)queue_id)->cb_type != MCB) return osErrorParameter;
+ if (((P_MCB)queue_id)->cb_type != MCB) {
+ return osErrorParameter;
+ }
res = rt_mbx_send(queue_id, (void *)info, rt_ms2tick(millisec));
if (res == OS_R_TMO) {
- return (millisec ? osErrorTimeoutResource : osErrorResource);
+ return ((millisec != 0U) ? osErrorTimeoutResource : osErrorResource);
}
return osOK;
@@ -1605,9 +1871,9 @@
}
res = rt_mbx_wait(queue_id, &ret.value.p, rt_ms2tick(millisec));
-
+
if (res == OS_R_TMO) {
- ret.status = millisec ? osEventTimeout : osOK;
+ ret.status = (millisec != 0U) ? osEventTimeout : osOK;
return osEvent_ret_value;
}
@@ -1620,15 +1886,17 @@
// Message Queue ISR Calls
/// Put a Message to a Queue
-static __INLINE osStatus isrMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) {
+osStatus isrMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) {
- if ((queue_id == NULL) || (millisec != 0)) {
+ if ((queue_id == NULL) || (millisec != 0U)) {
return osErrorParameter;
}
- if (((P_MCB)queue_id)->cb_type != MCB) return osErrorParameter;
+ if (((P_MCB)queue_id)->cb_type != MCB) {
+ return osErrorParameter;
+ }
- if (rt_mbx_check(queue_id) == 0) { // Check if Queue is full
+ if (rt_mbx_check(queue_id) == 0U) { // Check if Queue is full
return osErrorResource;
}
@@ -1638,11 +1906,11 @@
}
/// Get a Message or Wait for a Message from a Queue
-static __INLINE os_InRegs osEvent isrMessageGet (osMessageQId queue_id, uint32_t millisec) {
+os_InRegs osEvent isrMessageGet (osMessageQId queue_id, uint32_t millisec) {
OS_RESULT res;
osEvent ret;
- if ((queue_id == NULL) || (millisec != 0)) {
+ if ((queue_id == NULL) || (millisec != 0U)) {
ret.status = osErrorParameter;
return ret;
}
@@ -1653,13 +1921,13 @@
}
res = isr_mbx_receive(queue_id, &ret.value.p);
-
+
if (res != OS_R_MBX) {
ret.status = osOK;
return ret;
}
- ret.status = osEventMessage;
+ ret.status = osEventMessage;
return ret;
}
@@ -1668,9 +1936,11 @@
// Message Queue Management Public API
/// Create and Initialize Message Queue
-osMessageQId osMessageCreate (osMessageQDef_t *queue_def, osThreadId thread_id) {
- if (__get_IPSR() != 0) return NULL; // Not allowed in ISR
- if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
+osMessageQId osMessageCreate (const osMessageQDef_t *queue_def, osThreadId thread_id) {
+ if (__get_IPSR() != 0U) {
+ return NULL; // Not allowed in ISR
+ }
+ if (((__get_CONTROL() & 1U) == 0U) && (os_running == 0U)) {
// Privileged and not running
return svcMessageCreate(queue_def, thread_id);
} else {
@@ -1680,7 +1950,7 @@
/// Put a Message to a Queue
osStatus osMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) {
- if (__get_IPSR() != 0) { // in ISR
+ if (__get_IPSR() != 0U) { // in ISR
return isrMessagePut(queue_id, info, millisec);
} else { // in Thread
return __svcMessagePut(queue_id, info, millisec);
@@ -1689,7 +1959,7 @@
/// Get a Message or Wait for a Message from a Queue
os_InRegs osEvent osMessageGet (osMessageQId queue_id, uint32_t millisec) {
- if (__get_IPSR() != 0) { // in ISR
+ if (__get_IPSR() != 0U) { // in ISR
return isrMessageGet(queue_id, millisec);
} else { // in Thread
return __svcMessageGet(queue_id, millisec);
@@ -1700,21 +1970,21 @@
// ==== Mail Queue Management Functions ====
// Mail Queue Management Service Calls declarations
-SVC_2_1(svcMailCreate, osMailQId, osMailQDef_t *, osThreadId, RET_pointer)
-SVC_4_1(sysMailAlloc, void *, osMailQId, uint32_t, uint32_t, uint32_t, RET_pointer)
-SVC_3_1(sysMailFree, osStatus, osMailQId, void *, uint32_t, RET_osStatus)
+SVC_2_1(svcMailCreate, osMailQId, const osMailQDef_t *, osThreadId, RET_pointer)
+SVC_3_1(sysMailAlloc, void *, osMailQId, uint32_t, uint32_t, RET_pointer)
+SVC_3_1(sysMailFree, osStatus, osMailQId, void *, uint32_t, RET_osStatus)
// Mail Queue Management Service & ISR Calls
/// Create and Initialize mail queue
-osMailQId svcMailCreate (osMailQDef_t *queue_def, osThreadId thread_id) {
+osMailQId svcMailCreate (const osMailQDef_t *queue_def, osThreadId thread_id) {
uint32_t blk_sz;
P_MCB pmcb;
void *pool;
if ((queue_def == NULL) ||
- (queue_def->queue_sz == 0) ||
- (queue_def->item_sz == 0) ||
+ (queue_def->queue_sz == 0U) ||
+ (queue_def->item_sz == 0U) ||
(queue_def->pool == NULL)) {
sysThreadError(osErrorParameter);
return NULL;
@@ -1723,42 +1993,44 @@
pmcb = *(((void **)queue_def->pool) + 0);
pool = *(((void **)queue_def->pool) + 1);
- if ((pool == NULL) || (pmcb == NULL) || (pmcb->cb_type != 0)) {
+ if ((pool == NULL) || (pmcb == NULL) || (pmcb->cb_type != 0U)) {
sysThreadError(osErrorParameter);
return NULL;
}
- blk_sz = (queue_def->item_sz + 3) & ~3;
+ blk_sz = (queue_def->item_sz + 3U) & (uint32_t)~3U;
- _init_box(pool, sizeof(struct OS_BM) + queue_def->queue_sz * blk_sz, blk_sz);
+ _init_box(pool, sizeof(struct OS_BM) + (queue_def->queue_sz * blk_sz), blk_sz);
- rt_mbx_init(pmcb, 4*(queue_def->queue_sz + 4));
-
+ rt_mbx_init(pmcb, (uint16_t)(4U*(queue_def->queue_sz + 4U)));
return queue_def->pool;
}
/// Allocate a memory block from a mail
-void *sysMailAlloc (osMailQId queue_id, uint32_t millisec, uint32_t isr, uint32_t clr) {
+void *sysMailAlloc (osMailQId queue_id, uint32_t millisec, uint32_t isr) {
P_MCB pmcb;
void *pool;
void *mem;
- if (queue_id == NULL) return NULL;
+ if (queue_id == NULL) {
+ return NULL;
+ }
pmcb = *(((void **)queue_id) + 0);
pool = *(((void **)queue_id) + 1);
- if ((pool == NULL) || (pmcb == NULL)) return NULL;
+ if ((pool == NULL) || (pmcb == NULL)) {
+ return NULL;
+ }
- if (isr && (millisec != 0)) return NULL;
+ if ((isr != 0U) && (millisec != 0U)) {
+ return NULL;
+ }
mem = rt_alloc_box(pool);
- if (clr) {
- rt_clr_box(pool, mem);
- }
- if ((mem == NULL) && (millisec != 0)) {
+ if ((mem == NULL) && (millisec != 0U)) {
// Put Task to sleep when Memory not available
if (pmcb->p_lnk != NULL) {
rt_put_prio((P_XCB)pmcb, os_tsk.run);
@@ -1767,45 +2039,48 @@
os_tsk.run->p_lnk = NULL;
os_tsk.run->p_rlnk = (P_TCB)pmcb;
// Task is waiting to allocate a message
- pmcb->state = 3;
+ pmcb->state = 3U;
}
rt_block(rt_ms2tick(millisec), WAIT_MBX);
}
- return mem;
+ return mem;
}
/// Free a memory block from a mail
osStatus sysMailFree (osMailQId queue_id, void *mail, uint32_t isr) {
- P_MCB pmcb;
- P_TCB ptcb;
- void *pool;
- void *mem;
- int32_t res;
+ P_MCB pmcb;
+ P_TCB ptcb;
+ void *pool;
+ void *mem;
+ uint32_t res;
- if (queue_id == NULL) return osErrorParameter;
+ if (queue_id == NULL) {
+ return osErrorParameter;
+ }
pmcb = *(((void **)queue_id) + 0);
pool = *(((void **)queue_id) + 1);
- if ((pmcb == NULL) || (pool == NULL)) return osErrorParameter;
+ if ((pmcb == NULL) || (pool == NULL)) {
+ return osErrorParameter;
+ }
res = rt_free_box(pool, mail);
- if (res != 0) return osErrorValue;
+ if (res != 0U) {
+ return osErrorValue;
+ }
- if (pmcb->state == 3) {
+ if ((pmcb->p_lnk != NULL) && (pmcb->state == 3U)) {
// Task is waiting to allocate a message
- if (isr) {
+ if (isr != 0U) {
rt_psq_enq (pmcb, (U32)pool);
rt_psh_req ();
} else {
mem = rt_alloc_box(pool);
if (mem != NULL) {
ptcb = rt_get_first((P_XCB)pmcb);
- if (pmcb->p_lnk == NULL) {
- pmcb->state = 0;
- }
rt_ret_val(ptcb, (U32)mem);
rt_rmv_dly(ptcb);
rt_dispatch(ptcb);
@@ -1820,9 +2095,11 @@
// Mail Queue Management Public API
/// Create and Initialize mail queue
-osMailQId osMailCreate (osMailQDef_t *queue_def, osThreadId thread_id) {
- if (__get_IPSR() != 0) return NULL; // Not allowed in ISR
- if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
+osMailQId osMailCreate (const osMailQDef_t *queue_def, osThreadId thread_id) {
+ if (__get_IPSR() != 0U) {
+ return NULL; // Not allowed in ISR
+ }
+ if (((__get_CONTROL() & 1U) == 0U) && (os_running == 0U)) {
// Privileged and not running
return svcMailCreate(queue_def, thread_id);
} else {
@@ -1832,42 +2109,51 @@
/// Allocate a memory block from a mail
void *osMailAlloc (osMailQId queue_id, uint32_t millisec) {
- if (__get_IPSR() != 0) { // in ISR
- return sysMailAlloc(queue_id, millisec, 1, 0);
+ if (__get_IPSR() != 0U) { // in ISR
+ return sysMailAlloc(queue_id, millisec, 1U);
} else { // in Thread
- return __sysMailAlloc(queue_id, millisec, 0, 0);
+ return __sysMailAlloc(queue_id, millisec, 0U);
}
}
/// Allocate a memory block from a mail and set memory block to zero
void *osMailCAlloc (osMailQId queue_id, uint32_t millisec) {
- if (__get_IPSR() != 0) { // in ISR
- return sysMailAlloc(queue_id, millisec, 1, 1);
+ void *pool;
+ void *mem;
+
+ if (__get_IPSR() != 0U) { // in ISR
+ mem = sysMailAlloc(queue_id, millisec, 1U);
} else { // in Thread
- return __sysMailAlloc(queue_id, millisec, 0, 1);
+ mem = __sysMailAlloc(queue_id, millisec, 0U);
}
+
+ pool = *(((void **)queue_id) + 1);
+
+ rt_clr_box(pool, mem);
+
+ return mem;
}
/// Free a memory block from a mail
osStatus osMailFree (osMailQId queue_id, void *mail) {
- if (__get_IPSR() != 0) { // in ISR
- return sysMailFree(queue_id, mail, 1);
+ if (__get_IPSR() != 0U) { // in ISR
+ return sysMailFree(queue_id, mail, 1U);
} else { // in Thread
- return __sysMailFree(queue_id, mail, 0);
+ return __sysMailFree(queue_id, mail, 0U);
}
}
/// Put a mail to a queue
osStatus osMailPut (osMailQId queue_id, void *mail) {
- if (queue_id == NULL) return osErrorParameter;
- if (mail == NULL) return osErrorValue;
- return osMessagePut(*((void **)queue_id), (uint32_t)mail, 0);
+ if (queue_id == NULL) {
+ return osErrorParameter;
+ }
+ if (mail == NULL) {
+ return osErrorValue;
+ }
+ return osMessagePut(*((void **)queue_id), (uint32_t)mail, 0U);
}
-#ifdef __CC_ARM
-#pragma push
-#pragma Ospace
-#endif // __arm__
/// Get a mail from a queue
os_InRegs osEvent osMailGet (osMailQId queue_id, uint32_t millisec) {
osEvent ret;
@@ -1882,6 +2168,23 @@
return ret;
}
-#ifdef __CC_ARM
-#pragma pop
-#endif // __arm__
+
+
+// ==== RTX Extensions ====
+
+// Service Calls declarations
+SVC_0_1(rt_suspend, uint32_t, RET_uint32_t)
+SVC_1_0(rt_resume, void, uint32_t)
+
+
+// Public API
+
+/// Suspends the OS task scheduler
+uint32_t os_suspend (void) {
+ return __rt_suspend();
+}
+
+/// Resumes the OS task scheduler
+void os_resume (uint32_t sleep_time) {
+ __rt_resume(sleep_time);
+}
