Pierre Provent / USBHost

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Dependents:   TEST_USB_Nucleo_F429ZI Essais_USB_Nucleo_F429ZI SID_V3_Nucleo_F429ZI SID_V4_Nucleo_F429ZI_copy

mbed-rtos/rtx/TARGET_ARM7/rt_CMSIS.c@0:77ca32e8e04e, 2020-09-25 (annotated)

Committer:
pierreprovent
Date:
Fri Sep 25 10:17:49 2020 +0000
Revision:
0:77ca32e8e04e
Programme acquisition en enregistrement sur clef USB carte Nucleo F429ZI cours ELE118 Cnam

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pierreprovent 0:77ca32e8e04e 1 /*----------------------------------------------------------------------------
pierreprovent 0:77ca32e8e04e 2 * RL-ARM - RTX
pierreprovent 0:77ca32e8e04e 3 *----------------------------------------------------------------------------
pierreprovent 0:77ca32e8e04e 4 * Name: rt_CMSIS.c
pierreprovent 0:77ca32e8e04e 5 * Purpose: CMSIS RTOS API
pierreprovent 0:77ca32e8e04e 6 * Rev.: V4.60
pierreprovent 0:77ca32e8e04e 7 *----------------------------------------------------------------------------
pierreprovent 0:77ca32e8e04e 8 *
pierreprovent 0:77ca32e8e04e 9 * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
pierreprovent 0:77ca32e8e04e 10 * All rights reserved.
pierreprovent 0:77ca32e8e04e 11 * Redistribution and use in source and binary forms, with or without
pierreprovent 0:77ca32e8e04e 12 * modification, are permitted provided that the following conditions are met:
pierreprovent 0:77ca32e8e04e 13 * - Redistributions of source code must retain the above copyright
pierreprovent 0:77ca32e8e04e 14 * notice, this list of conditions and the following disclaimer.
pierreprovent 0:77ca32e8e04e 15 * - Redistributions in binary form must reproduce the above copyright
pierreprovent 0:77ca32e8e04e 16 * notice, this list of conditions and the following disclaimer in the
pierreprovent 0:77ca32e8e04e 17 * documentation and/or other materials provided with the distribution.
pierreprovent 0:77ca32e8e04e 18 * - Neither the name of ARM nor the names of its contributors may be used
pierreprovent 0:77ca32e8e04e 19 * to endorse or promote products derived from this software without
pierreprovent 0:77ca32e8e04e 20 * specific prior written permission.
pierreprovent 0:77ca32e8e04e 21 *
pierreprovent 0:77ca32e8e04e 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
pierreprovent 0:77ca32e8e04e 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
pierreprovent 0:77ca32e8e04e 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
pierreprovent 0:77ca32e8e04e 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
pierreprovent 0:77ca32e8e04e 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
pierreprovent 0:77ca32e8e04e 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
pierreprovent 0:77ca32e8e04e 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
pierreprovent 0:77ca32e8e04e 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
pierreprovent 0:77ca32e8e04e 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
pierreprovent 0:77ca32e8e04e 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
pierreprovent 0:77ca32e8e04e 32 * POSSIBILITY OF SUCH DAMAGE.
pierreprovent 0:77ca32e8e04e 33 *---------------------------------------------------------------------------*/
pierreprovent 0:77ca32e8e04e 34
pierreprovent 0:77ca32e8e04e 35 #define __CMSIS_GENERIC
pierreprovent 0:77ca32e8e04e 36
pierreprovent 0:77ca32e8e04e 37 #include "core_arm7.h"
pierreprovent 0:77ca32e8e04e 38
pierreprovent 0:77ca32e8e04e 39 #include "rt_TypeDef.h"
pierreprovent 0:77ca32e8e04e 40 #include "RTX_Conf.h"
pierreprovent 0:77ca32e8e04e 41 #include "rt_System.h"
pierreprovent 0:77ca32e8e04e 42 #include "rt_Task.h"
pierreprovent 0:77ca32e8e04e 43 #include "rt_Event.h"
pierreprovent 0:77ca32e8e04e 44 #include "rt_List.h"
pierreprovent 0:77ca32e8e04e 45 #include "rt_Time.h"
pierreprovent 0:77ca32e8e04e 46 #include "rt_Mutex.h"
pierreprovent 0:77ca32e8e04e 47 #include "rt_Semaphore.h"
pierreprovent 0:77ca32e8e04e 48 #include "rt_Mailbox.h"
pierreprovent 0:77ca32e8e04e 49 #include "rt_MemBox.h"
pierreprovent 0:77ca32e8e04e 50 #include "rt_HAL_CM.h"
pierreprovent 0:77ca32e8e04e 51
pierreprovent 0:77ca32e8e04e 52 #define os_thread_cb OS_TCB
pierreprovent 0:77ca32e8e04e 53
pierreprovent 0:77ca32e8e04e 54 #include "cmsis_os.h"
pierreprovent 0:77ca32e8e04e 55
pierreprovent 0:77ca32e8e04e 56 #if (osFeature_Signals != 16)
pierreprovent 0:77ca32e8e04e 57 #error Invalid "osFeature_Signals" value!
pierreprovent 0:77ca32e8e04e 58 #endif
pierreprovent 0:77ca32e8e04e 59 #if (osFeature_Semaphore > 65535)
pierreprovent 0:77ca32e8e04e 60 #error Invalid "osFeature_Semaphore" value!
pierreprovent 0:77ca32e8e04e 61 #endif
pierreprovent 0:77ca32e8e04e 62 #if (osFeature_Wait != 0)
pierreprovent 0:77ca32e8e04e 63 #error osWait not supported!
pierreprovent 0:77ca32e8e04e 64 #endif
pierreprovent 0:77ca32e8e04e 65
pierreprovent 0:77ca32e8e04e 66
pierreprovent 0:77ca32e8e04e 67 // ==== Enumeration, structures, defines ====
pierreprovent 0:77ca32e8e04e 68
pierreprovent 0:77ca32e8e04e 69 // Service Calls defines
pierreprovent 0:77ca32e8e04e 70
pierreprovent 0:77ca32e8e04e 71 #if defined (__CC_ARM) /* ARM Compiler */
pierreprovent 0:77ca32e8e04e 72
pierreprovent 0:77ca32e8e04e 73 #define __NO_RETURN __declspec(noreturn)
pierreprovent 0:77ca32e8e04e 74
pierreprovent 0:77ca32e8e04e 75 #define osEvent_type osEvent
pierreprovent 0:77ca32e8e04e 76 #define osEvent_ret_status ret
pierreprovent 0:77ca32e8e04e 77 #define osEvent_ret_value ret
pierreprovent 0:77ca32e8e04e 78 #define osEvent_ret_msg ret
pierreprovent 0:77ca32e8e04e 79 #define osEvent_ret_mail ret
pierreprovent 0:77ca32e8e04e 80
pierreprovent 0:77ca32e8e04e 81 #define osCallback_type osCallback
pierreprovent 0:77ca32e8e04e 82 #define osCallback_ret ret
pierreprovent 0:77ca32e8e04e 83
pierreprovent 0:77ca32e8e04e 84 #define SVC_0_1(f,t,...) \
pierreprovent 0:77ca32e8e04e 85 __svc_indirect(0) t _##f (t(*)()); \
pierreprovent 0:77ca32e8e04e 86 t f (void); \
pierreprovent 0:77ca32e8e04e 87 __attribute__((always_inline)) \
pierreprovent 0:77ca32e8e04e 88 static __inline t __##f (void) { \
pierreprovent 0:77ca32e8e04e 89 return _##f(f); \
pierreprovent 0:77ca32e8e04e 90 }
pierreprovent 0:77ca32e8e04e 91
pierreprovent 0:77ca32e8e04e 92 #define SVC_1_1(f,t,t1,...) \
pierreprovent 0:77ca32e8e04e 93 __svc_indirect(0) t _##f (t(*)(t1),t1); \
pierreprovent 0:77ca32e8e04e 94 t f (t1 a1); \
pierreprovent 0:77ca32e8e04e 95 __attribute__((always_inline)) \
pierreprovent 0:77ca32e8e04e 96 static __inline t __##f (t1 a1) { \
pierreprovent 0:77ca32e8e04e 97 return _##f(f,a1); \
pierreprovent 0:77ca32e8e04e 98 }
pierreprovent 0:77ca32e8e04e 99
pierreprovent 0:77ca32e8e04e 100 #define SVC_2_1(f,t,t1,t2,...) \
pierreprovent 0:77ca32e8e04e 101 __svc_indirect(0) t _##f (t(*)(t1,t2),t1,t2); \
pierreprovent 0:77ca32e8e04e 102 t f (t1 a1, t2 a2); \
pierreprovent 0:77ca32e8e04e 103 __attribute__((always_inline)) \
pierreprovent 0:77ca32e8e04e 104 static __inline t __##f (t1 a1, t2 a2) { \
pierreprovent 0:77ca32e8e04e 105 return _##f(f,a1,a2); \
pierreprovent 0:77ca32e8e04e 106 }
pierreprovent 0:77ca32e8e04e 107
pierreprovent 0:77ca32e8e04e 108 #define SVC_3_1(f,t,t1,t2,t3,...) \
pierreprovent 0:77ca32e8e04e 109 __svc_indirect(0) t _##f (t(*)(t1,t2,t3),t1,t2,t3); \
pierreprovent 0:77ca32e8e04e 110 t f (t1 a1, t2 a2, t3 a3); \
pierreprovent 0:77ca32e8e04e 111 __attribute__((always_inline)) \
pierreprovent 0:77ca32e8e04e 112 static __inline t __##f (t1 a1, t2 a2, t3 a3) { \
pierreprovent 0:77ca32e8e04e 113 return _##f(f,a1,a2,a3); \
pierreprovent 0:77ca32e8e04e 114 }
pierreprovent 0:77ca32e8e04e 115
pierreprovent 0:77ca32e8e04e 116 #define SVC_4_1(f,t,t1,t2,t3,t4,...) \
pierreprovent 0:77ca32e8e04e 117 __svc_indirect(0) t _##f (t(*)(t1,t2,t3,t4),t1,t2,t3,t4); \
pierreprovent 0:77ca32e8e04e 118 t f (t1 a1, t2 a2, t3 a3, t4 a4); \
pierreprovent 0:77ca32e8e04e 119 __attribute__((always_inline)) \
pierreprovent 0:77ca32e8e04e 120 static __inline t __##f (t1 a1, t2 a2, t3 a3, t4 a4) { \
pierreprovent 0:77ca32e8e04e 121 return _##f(f,a1,a2,a3,a4); \
pierreprovent 0:77ca32e8e04e 122 }
pierreprovent 0:77ca32e8e04e 123
pierreprovent 0:77ca32e8e04e 124 #define SVC_1_2 SVC_1_1
pierreprovent 0:77ca32e8e04e 125 #define SVC_1_3 SVC_1_1
pierreprovent 0:77ca32e8e04e 126 #define SVC_2_3 SVC_2_1
pierreprovent 0:77ca32e8e04e 127
pierreprovent 0:77ca32e8e04e 128 #elif defined (__GNUC__) /* GNU Compiler */
pierreprovent 0:77ca32e8e04e 129
pierreprovent 0:77ca32e8e04e 130 #define __NO_RETURN __attribute__((noreturn))
pierreprovent 0:77ca32e8e04e 131
pierreprovent 0:77ca32e8e04e 132 typedef uint32_t __attribute__((vector_size(8))) ret64;
pierreprovent 0:77ca32e8e04e 133 typedef uint32_t __attribute__((vector_size(16))) ret128;
pierreprovent 0:77ca32e8e04e 134
pierreprovent 0:77ca32e8e04e 135 #define RET_pointer __r0
pierreprovent 0:77ca32e8e04e 136 #define RET_int32_t __r0
pierreprovent 0:77ca32e8e04e 137 #define RET_osStatus __r0
pierreprovent 0:77ca32e8e04e 138 #define RET_osPriority __r0
pierreprovent 0:77ca32e8e04e 139 #define RET_osEvent {(osStatus)__r0, {(uint32_t)__r1}, {(void *)__r2}}
pierreprovent 0:77ca32e8e04e 140 #define RET_osCallback {(void *)__r0, (void *)__r1}
pierreprovent 0:77ca32e8e04e 141
pierreprovent 0:77ca32e8e04e 142 #define osEvent_type ret128
pierreprovent 0:77ca32e8e04e 143 #define osEvent_ret_status (ret128){ret.status}
pierreprovent 0:77ca32e8e04e 144 #define osEvent_ret_value (ret128){ret.status, ret.value.v}
pierreprovent 0:77ca32e8e04e 145 #define osEvent_ret_msg (ret128){ret.status, ret.value.v, (uint32_t)ret.def.message_id}
pierreprovent 0:77ca32e8e04e 146 #define osEvent_ret_mail (ret128){ret.status, ret.value.v, (uint32_t)ret.def.mail_id}
pierreprovent 0:77ca32e8e04e 147
pierreprovent 0:77ca32e8e04e 148 #define osCallback_type ret64
pierreprovent 0:77ca32e8e04e 149 #define osCallback_ret (ret64) {(uint32_t)ret.fp, (uint32_t)ret.arg}
pierreprovent 0:77ca32e8e04e 150
pierreprovent 0:77ca32e8e04e 151 #define SVC_ArgN(n) \
pierreprovent 0:77ca32e8e04e 152 register int __r##n __asm("r"#n);
pierreprovent 0:77ca32e8e04e 153
pierreprovent 0:77ca32e8e04e 154 #define SVC_ArgR(n,t,a) \
pierreprovent 0:77ca32e8e04e 155 register t __r##n __asm("r"#n) = a;
pierreprovent 0:77ca32e8e04e 156
pierreprovent 0:77ca32e8e04e 157 #define SVC_Arg0() \
pierreprovent 0:77ca32e8e04e 158 SVC_ArgN(0) \
pierreprovent 0:77ca32e8e04e 159 SVC_ArgN(1) \
pierreprovent 0:77ca32e8e04e 160 SVC_ArgN(2) \
pierreprovent 0:77ca32e8e04e 161 SVC_ArgN(3)
pierreprovent 0:77ca32e8e04e 162
pierreprovent 0:77ca32e8e04e 163 #define SVC_Arg1(t1) \
pierreprovent 0:77ca32e8e04e 164 SVC_ArgR(0,t1,a1) \
pierreprovent 0:77ca32e8e04e 165 SVC_ArgN(1) \
pierreprovent 0:77ca32e8e04e 166 SVC_ArgN(2) \
pierreprovent 0:77ca32e8e04e 167 SVC_ArgN(3)
pierreprovent 0:77ca32e8e04e 168
pierreprovent 0:77ca32e8e04e 169 #define SVC_Arg2(t1,t2) \
pierreprovent 0:77ca32e8e04e 170 SVC_ArgR(0,t1,a1) \
pierreprovent 0:77ca32e8e04e 171 SVC_ArgR(1,t2,a2) \
pierreprovent 0:77ca32e8e04e 172 SVC_ArgN(2) \
pierreprovent 0:77ca32e8e04e 173 SVC_ArgN(3)
pierreprovent 0:77ca32e8e04e 174
pierreprovent 0:77ca32e8e04e 175 #define SVC_Arg3(t1,t2,t3) \
pierreprovent 0:77ca32e8e04e 176 SVC_ArgR(0,t1,a1) \
pierreprovent 0:77ca32e8e04e 177 SVC_ArgR(1,t2,a2) \
pierreprovent 0:77ca32e8e04e 178 SVC_ArgR(2,t3,a3) \
pierreprovent 0:77ca32e8e04e 179 SVC_ArgN(3)
pierreprovent 0:77ca32e8e04e 180
pierreprovent 0:77ca32e8e04e 181 #define SVC_Arg4(t1,t2,t3,t4) \
pierreprovent 0:77ca32e8e04e 182 SVC_ArgR(0,t1,a1) \
pierreprovent 0:77ca32e8e04e 183 SVC_ArgR(1,t2,a2) \
pierreprovent 0:77ca32e8e04e 184 SVC_ArgR(2,t3,a3) \
pierreprovent 0:77ca32e8e04e 185 SVC_ArgR(3,t4,a4)
pierreprovent 0:77ca32e8e04e 186
pierreprovent 0:77ca32e8e04e 187 #if (defined (__CORTEX_M0)) || defined (__CORTEX_M0PLUS)
pierreprovent 0:77ca32e8e04e 188 #define SVC_Call(f) \
pierreprovent 0:77ca32e8e04e 189 __asm volatile \
pierreprovent 0:77ca32e8e04e 190 ( \
pierreprovent 0:77ca32e8e04e 191 "ldr r7,="#f"\n\t" \
pierreprovent 0:77ca32e8e04e 192 "mov r12,r7\n\t" \
pierreprovent 0:77ca32e8e04e 193 "svc 0" \
pierreprovent 0:77ca32e8e04e 194 : "=r" (__r0), "=r" (__r1), "=r" (__r2), "=r" (__r3) \
pierreprovent 0:77ca32e8e04e 195 : "r" (__r0), "r" (__r1), "r" (__r2), "r" (__r3) \
pierreprovent 0:77ca32e8e04e 196 : "r7", "r12", "lr", "cc" \
pierreprovent 0:77ca32e8e04e 197 );
pierreprovent 0:77ca32e8e04e 198 #else
pierreprovent 0:77ca32e8e04e 199 #define SVC_Call(f) \
pierreprovent 0:77ca32e8e04e 200 __asm volatile \
pierreprovent 0:77ca32e8e04e 201 ( \
pierreprovent 0:77ca32e8e04e 202 "ldr r12,="#f"\n\t" \
pierreprovent 0:77ca32e8e04e 203 "svc 0" \
pierreprovent 0:77ca32e8e04e 204 : "=r" (__r0), "=r" (__r1), "=r" (__r2), "=r" (__r3) \
pierreprovent 0:77ca32e8e04e 205 : "r" (__r0), "r" (__r1), "r" (__r2), "r" (__r3) \
pierreprovent 0:77ca32e8e04e 206 : "r12", "lr", "cc" \
pierreprovent 0:77ca32e8e04e 207 );
pierreprovent 0:77ca32e8e04e 208 #endif
pierreprovent 0:77ca32e8e04e 209
pierreprovent 0:77ca32e8e04e 210 #define SVC_0_1(f,t,rv) \
pierreprovent 0:77ca32e8e04e 211 __attribute__((always_inline)) \
pierreprovent 0:77ca32e8e04e 212 static inline t __##f (void) { \
pierreprovent 0:77ca32e8e04e 213 SVC_Arg0(); \
pierreprovent 0:77ca32e8e04e 214 SVC_Call(f); \
pierreprovent 0:77ca32e8e04e 215 return (t) rv; \
pierreprovent 0:77ca32e8e04e 216 }
pierreprovent 0:77ca32e8e04e 217
pierreprovent 0:77ca32e8e04e 218 #define SVC_1_1(f,t,t1,rv) \
pierreprovent 0:77ca32e8e04e 219 __attribute__((always_inline)) \
pierreprovent 0:77ca32e8e04e 220 static inline t __##f (t1 a1) { \
pierreprovent 0:77ca32e8e04e 221 SVC_Arg1(t1); \
pierreprovent 0:77ca32e8e04e 222 SVC_Call(f); \
pierreprovent 0:77ca32e8e04e 223 return (t) rv; \
pierreprovent 0:77ca32e8e04e 224 }
pierreprovent 0:77ca32e8e04e 225
pierreprovent 0:77ca32e8e04e 226 #define SVC_2_1(f,t,t1,t2,rv) \
pierreprovent 0:77ca32e8e04e 227 __attribute__((always_inline)) \
pierreprovent 0:77ca32e8e04e 228 static inline t __##f (t1 a1, t2 a2) { \
pierreprovent 0:77ca32e8e04e 229 SVC_Arg2(t1,t2); \
pierreprovent 0:77ca32e8e04e 230 SVC_Call(f); \
pierreprovent 0:77ca32e8e04e 231 return (t) rv; \
pierreprovent 0:77ca32e8e04e 232 }
pierreprovent 0:77ca32e8e04e 233
pierreprovent 0:77ca32e8e04e 234 #define SVC_3_1(f,t,t1,t2,t3,rv) \
pierreprovent 0:77ca32e8e04e 235 __attribute__((always_inline)) \
pierreprovent 0:77ca32e8e04e 236 static inline t __##f (t1 a1, t2 a2, t3 a3) { \
pierreprovent 0:77ca32e8e04e 237 SVC_Arg3(t1,t2,t3); \
pierreprovent 0:77ca32e8e04e 238 SVC_Call(f); \
pierreprovent 0:77ca32e8e04e 239 return (t) rv; \
pierreprovent 0:77ca32e8e04e 240 }
pierreprovent 0:77ca32e8e04e 241
pierreprovent 0:77ca32e8e04e 242 #define SVC_4_1(f,t,t1,t2,t3,t4,rv) \
pierreprovent 0:77ca32e8e04e 243 __attribute__((always_inline)) \
pierreprovent 0:77ca32e8e04e 244 static inline t __##f (t1 a1, t2 a2, t3 a3, t4 a4) { \
pierreprovent 0:77ca32e8e04e 245 SVC_Arg4(t1,t2,t3,t4); \
pierreprovent 0:77ca32e8e04e 246 SVC_Call(f); \
pierreprovent 0:77ca32e8e04e 247 return (t) rv; \
pierreprovent 0:77ca32e8e04e 248 }
pierreprovent 0:77ca32e8e04e 249
pierreprovent 0:77ca32e8e04e 250 #define SVC_1_2 SVC_1_1
pierreprovent 0:77ca32e8e04e 251 #define SVC_1_3 SVC_1_1
pierreprovent 0:77ca32e8e04e 252 #define SVC_2_3 SVC_2_1
pierreprovent 0:77ca32e8e04e 253
pierreprovent 0:77ca32e8e04e 254 #elif defined (__ICCARM__) /* IAR Compiler */
pierreprovent 0:77ca32e8e04e 255
pierreprovent 0:77ca32e8e04e 256 #define __NO_RETURN __noreturn
pierreprovent 0:77ca32e8e04e 257
pierreprovent 0:77ca32e8e04e 258 #define osEvent_type osEvent
pierreprovent 0:77ca32e8e04e 259 #define osEvent_ret_status ret
pierreprovent 0:77ca32e8e04e 260 #define osEvent_ret_value ret
pierreprovent 0:77ca32e8e04e 261 #define osEvent_ret_msg ret
pierreprovent 0:77ca32e8e04e 262 #define osEvent_ret_mail ret
pierreprovent 0:77ca32e8e04e 263
pierreprovent 0:77ca32e8e04e 264 #define osCallback_type osCallback
pierreprovent 0:77ca32e8e04e 265 #define osCallback_ret ret
pierreprovent 0:77ca32e8e04e 266
pierreprovent 0:77ca32e8e04e 267 #define RET_osEvent osEvent
pierreprovent 0:77ca32e8e04e 268 #define RET_osCallback osCallback
pierreprovent 0:77ca32e8e04e 269
pierreprovent 0:77ca32e8e04e 270 #define SVC_Setup(f) \
pierreprovent 0:77ca32e8e04e 271 __asm( \
pierreprovent 0:77ca32e8e04e 272 "mov r12,%0\n" \
pierreprovent 0:77ca32e8e04e 273 :: "r"(&f): "r12" \
pierreprovent 0:77ca32e8e04e 274 );
pierreprovent 0:77ca32e8e04e 275
pierreprovent 0:77ca32e8e04e 276
pierreprovent 0:77ca32e8e04e 277 #define SVC_0_1(f,t,...) \
pierreprovent 0:77ca32e8e04e 278 t f (void); \
pierreprovent 0:77ca32e8e04e 279 _Pragma("swi_number=0") __swi t _##f (void); \
pierreprovent 0:77ca32e8e04e 280 static inline t __##f (void) { \
pierreprovent 0:77ca32e8e04e 281 SVC_Setup(f); \
pierreprovent 0:77ca32e8e04e 282 return _##f(); \
pierreprovent 0:77ca32e8e04e 283 }
pierreprovent 0:77ca32e8e04e 284
pierreprovent 0:77ca32e8e04e 285 #define SVC_1_1(f,t,t1,...) \
pierreprovent 0:77ca32e8e04e 286 t f (t1 a1); \
pierreprovent 0:77ca32e8e04e 287 _Pragma("swi_number=0") __swi t _##f (t1 a1); \
pierreprovent 0:77ca32e8e04e 288 static inline t __##f (t1 a1) { \
pierreprovent 0:77ca32e8e04e 289 SVC_Setup(f); \
pierreprovent 0:77ca32e8e04e 290 return _##f(a1); \
pierreprovent 0:77ca32e8e04e 291 }
pierreprovent 0:77ca32e8e04e 292
pierreprovent 0:77ca32e8e04e 293 #define SVC_2_1(f,t,t1,t2,...) \
pierreprovent 0:77ca32e8e04e 294 t f (t1 a1, t2 a2); \
pierreprovent 0:77ca32e8e04e 295 _Pragma("swi_number=0") __swi t _##f (t1 a1, t2 a2); \
pierreprovent 0:77ca32e8e04e 296 static inline t __##f (t1 a1, t2 a2) { \
pierreprovent 0:77ca32e8e04e 297 SVC_Setup(f); \
pierreprovent 0:77ca32e8e04e 298 return _##f(a1,a2); \
pierreprovent 0:77ca32e8e04e 299 }
pierreprovent 0:77ca32e8e04e 300
pierreprovent 0:77ca32e8e04e 301 #define SVC_3_1(f,t,t1,t2,t3,...) \
pierreprovent 0:77ca32e8e04e 302 t f (t1 a1, t2 a2, t3 a3); \
pierreprovent 0:77ca32e8e04e 303 _Pragma("swi_number=0") __swi t _##f (t1 a1, t2 a2, t3 a3); \
pierreprovent 0:77ca32e8e04e 304 static inline t __##f (t1 a1, t2 a2, t3 a3) { \
pierreprovent 0:77ca32e8e04e 305 SVC_Setup(f); \
pierreprovent 0:77ca32e8e04e 306 return _##f(a1,a2,a3); \
pierreprovent 0:77ca32e8e04e 307 }
pierreprovent 0:77ca32e8e04e 308
pierreprovent 0:77ca32e8e04e 309 #define SVC_4_1(f,t,t1,t2,t3,t4,...) \
pierreprovent 0:77ca32e8e04e 310 t f (t1 a1, t2 a2, t3 a3, t4 a4); \
pierreprovent 0:77ca32e8e04e 311 _Pragma("swi_number=0") __swi t _##f (t1 a1, t2 a2, t3 a3, t4 a4); \
pierreprovent 0:77ca32e8e04e 312 static inline t __##f (t1 a1, t2 a2, t3 a3, t4 a4) { \
pierreprovent 0:77ca32e8e04e 313 SVC_Setup(f); \
pierreprovent 0:77ca32e8e04e 314 return _##f(a1,a2,a3,a4); \
pierreprovent 0:77ca32e8e04e 315 }
pierreprovent 0:77ca32e8e04e 316
pierreprovent 0:77ca32e8e04e 317 #define SVC_1_2 SVC_1_1
pierreprovent 0:77ca32e8e04e 318 #define SVC_1_3 SVC_1_1
pierreprovent 0:77ca32e8e04e 319 #define SVC_2_3 SVC_2_1
pierreprovent 0:77ca32e8e04e 320
pierreprovent 0:77ca32e8e04e 321 #endif
pierreprovent 0:77ca32e8e04e 322
pierreprovent 0:77ca32e8e04e 323
pierreprovent 0:77ca32e8e04e 324 // Callback structure
pierreprovent 0:77ca32e8e04e 325 typedef struct {
pierreprovent 0:77ca32e8e04e 326 void *fp; // Function pointer
pierreprovent 0:77ca32e8e04e 327 void *arg; // Function argument
pierreprovent 0:77ca32e8e04e 328 } osCallback;
pierreprovent 0:77ca32e8e04e 329
pierreprovent 0:77ca32e8e04e 330
pierreprovent 0:77ca32e8e04e 331 // OS Section definitions
pierreprovent 0:77ca32e8e04e 332 #ifdef OS_SECTIONS_LINK_INFO
pierreprovent 0:77ca32e8e04e 333 extern const uint32_t os_section_id$$Base;
pierreprovent 0:77ca32e8e04e 334 extern const uint32_t os_section_id$$Limit;
pierreprovent 0:77ca32e8e04e 335 #endif
pierreprovent 0:77ca32e8e04e 336
pierreprovent 0:77ca32e8e04e 337 // OS Timers external resources
pierreprovent 0:77ca32e8e04e 338 extern osThreadDef_t os_thread_def_osTimerThread;
pierreprovent 0:77ca32e8e04e 339 extern osThreadId osThreadId_osTimerThread;
pierreprovent 0:77ca32e8e04e 340 extern osMessageQDef_t os_messageQ_def_osTimerMessageQ;
pierreprovent 0:77ca32e8e04e 341 extern osMessageQId osMessageQId_osTimerMessageQ;
pierreprovent 0:77ca32e8e04e 342
pierreprovent 0:77ca32e8e04e 343
pierreprovent 0:77ca32e8e04e 344 // ==== Helper Functions ====
pierreprovent 0:77ca32e8e04e 345
pierreprovent 0:77ca32e8e04e 346 /// Convert timeout in millisec to system ticks
pierreprovent 0:77ca32e8e04e 347 static uint32_t rt_ms2tick (uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 348 uint32_t tick;
pierreprovent 0:77ca32e8e04e 349
pierreprovent 0:77ca32e8e04e 350 if (millisec == osWaitForever) return 0xFFFF; // Indefinite timeout
pierreprovent 0:77ca32e8e04e 351 if (millisec > 4000000) return 0xFFFE; // Max ticks supported
pierreprovent 0:77ca32e8e04e 352
pierreprovent 0:77ca32e8e04e 353 tick = ((1000 * millisec) + os_clockrate - 1) / os_clockrate;
pierreprovent 0:77ca32e8e04e 354 if (tick > 0xFFFE) return 0xFFFE;
pierreprovent 0:77ca32e8e04e 355
pierreprovent 0:77ca32e8e04e 356 return tick;
pierreprovent 0:77ca32e8e04e 357 }
pierreprovent 0:77ca32e8e04e 358
pierreprovent 0:77ca32e8e04e 359 /// Convert Thread ID to TCB pointer
pierreprovent 0:77ca32e8e04e 360 static P_TCB rt_tid2ptcb (osThreadId thread_id) {
pierreprovent 0:77ca32e8e04e 361 P_TCB ptcb;
pierreprovent 0:77ca32e8e04e 362
pierreprovent 0:77ca32e8e04e 363 if (thread_id == NULL) return NULL;
pierreprovent 0:77ca32e8e04e 364
pierreprovent 0:77ca32e8e04e 365 if ((uint32_t)thread_id & 3) return NULL;
pierreprovent 0:77ca32e8e04e 366
pierreprovent 0:77ca32e8e04e 367 #ifdef OS_SECTIONS_LINK_INFO
pierreprovent 0:77ca32e8e04e 368 if ((os_section_id$$Base != 0) && (os_section_id$$Limit != 0)) {
pierreprovent 0:77ca32e8e04e 369 if (thread_id < (osThreadId)os_section_id$$Base) return NULL;
pierreprovent 0:77ca32e8e04e 370 if (thread_id >= (osThreadId)os_section_id$$Limit) return NULL;
pierreprovent 0:77ca32e8e04e 371 }
pierreprovent 0:77ca32e8e04e 372 #endif
pierreprovent 0:77ca32e8e04e 373
pierreprovent 0:77ca32e8e04e 374 ptcb = thread_id;
pierreprovent 0:77ca32e8e04e 375
pierreprovent 0:77ca32e8e04e 376 if (ptcb->cb_type != TCB) return NULL;
pierreprovent 0:77ca32e8e04e 377
pierreprovent 0:77ca32e8e04e 378 return ptcb;
pierreprovent 0:77ca32e8e04e 379 }
pierreprovent 0:77ca32e8e04e 380
pierreprovent 0:77ca32e8e04e 381 /// Convert ID pointer to Object pointer
pierreprovent 0:77ca32e8e04e 382 static void *rt_id2obj (void *id) {
pierreprovent 0:77ca32e8e04e 383
pierreprovent 0:77ca32e8e04e 384 if ((uint32_t)id & 3) return NULL;
pierreprovent 0:77ca32e8e04e 385
pierreprovent 0:77ca32e8e04e 386 #ifdef OS_SECTIONS_LINK_INFO
pierreprovent 0:77ca32e8e04e 387 if ((os_section_id$$Base != 0) && (os_section_id$$Limit != 0)) {
pierreprovent 0:77ca32e8e04e 388 if (id < (void *)os_section_id$$Base) return NULL;
pierreprovent 0:77ca32e8e04e 389 if (id >= (void *)os_section_id$$Limit) return NULL;
pierreprovent 0:77ca32e8e04e 390 }
pierreprovent 0:77ca32e8e04e 391 #endif
pierreprovent 0:77ca32e8e04e 392
pierreprovent 0:77ca32e8e04e 393 return id;
pierreprovent 0:77ca32e8e04e 394 }
pierreprovent 0:77ca32e8e04e 395
pierreprovent 0:77ca32e8e04e 396
pierreprovent 0:77ca32e8e04e 397 // ==== Kernel Control ====
pierreprovent 0:77ca32e8e04e 398
pierreprovent 0:77ca32e8e04e 399 uint8_t os_initialized; // Kernel Initialized flag
pierreprovent 0:77ca32e8e04e 400 uint8_t os_running; // Kernel Running flag
pierreprovent 0:77ca32e8e04e 401
pierreprovent 0:77ca32e8e04e 402 // Kernel Control Service Calls declarations
pierreprovent 0:77ca32e8e04e 403 SVC_0_1(svcKernelInitialize, osStatus, RET_osStatus)
pierreprovent 0:77ca32e8e04e 404 SVC_0_1(svcKernelStart, osStatus, RET_osStatus)
pierreprovent 0:77ca32e8e04e 405 SVC_0_1(svcKernelRunning, int32_t, RET_int32_t)
pierreprovent 0:77ca32e8e04e 406
pierreprovent 0:77ca32e8e04e 407 extern void sysThreadError (osStatus status);
pierreprovent 0:77ca32e8e04e 408 osThreadId svcThreadCreate (osThreadDef_t *thread_def, void *argument);
pierreprovent 0:77ca32e8e04e 409 osMessageQId svcMessageCreate (osMessageQDef_t *queue_def, osThreadId thread_id);
pierreprovent 0:77ca32e8e04e 410
pierreprovent 0:77ca32e8e04e 411 // Kernel Control Service Calls
pierreprovent 0:77ca32e8e04e 412
pierreprovent 0:77ca32e8e04e 413 /// Initialize the RTOS Kernel for creating objects
pierreprovent 0:77ca32e8e04e 414 osStatus svcKernelInitialize (void) {
pierreprovent 0:77ca32e8e04e 415 if (os_initialized) return osOK;
pierreprovent 0:77ca32e8e04e 416
pierreprovent 0:77ca32e8e04e 417 rt_sys_init(); // RTX System Initialization
pierreprovent 0:77ca32e8e04e 418 os_tsk.run->prio = 255; // Highest priority
pierreprovent 0:77ca32e8e04e 419
pierreprovent 0:77ca32e8e04e 420 sysThreadError(osOK);
pierreprovent 0:77ca32e8e04e 421
pierreprovent 0:77ca32e8e04e 422 os_initialized = 1;
pierreprovent 0:77ca32e8e04e 423
pierreprovent 0:77ca32e8e04e 424 return osOK;
pierreprovent 0:77ca32e8e04e 425 }
pierreprovent 0:77ca32e8e04e 426
pierreprovent 0:77ca32e8e04e 427 /// Start the RTOS Kernel
pierreprovent 0:77ca32e8e04e 428 osStatus svcKernelStart (void) {
pierreprovent 0:77ca32e8e04e 429
pierreprovent 0:77ca32e8e04e 430 if (os_running) return osOK;
pierreprovent 0:77ca32e8e04e 431
pierreprovent 0:77ca32e8e04e 432 // Create OS Timers resources (Message Queue & Thread)
pierreprovent 0:77ca32e8e04e 433 osMessageQId_osTimerMessageQ = svcMessageCreate (&os_messageQ_def_osTimerMessageQ, NULL);
pierreprovent 0:77ca32e8e04e 434 osThreadId_osTimerThread = svcThreadCreate(&os_thread_def_osTimerThread, NULL);
pierreprovent 0:77ca32e8e04e 435
pierreprovent 0:77ca32e8e04e 436 rt_tsk_prio(0, 0); // Lowest priority
pierreprovent 0:77ca32e8e04e 437 // __set_SP(os_tsk.run->tsk_stack + 8*4); // New context
pierreprovent 0:77ca32e8e04e 438 os_tsk.run = NULL; // Force context switch
pierreprovent 0:77ca32e8e04e 439
pierreprovent 0:77ca32e8e04e 440 rt_sys_start();
pierreprovent 0:77ca32e8e04e 441
pierreprovent 0:77ca32e8e04e 442 os_running = 1;
pierreprovent 0:77ca32e8e04e 443
pierreprovent 0:77ca32e8e04e 444 return osOK;
pierreprovent 0:77ca32e8e04e 445 }
pierreprovent 0:77ca32e8e04e 446
pierreprovent 0:77ca32e8e04e 447 /// Check if the RTOS kernel is already started
pierreprovent 0:77ca32e8e04e 448 int32_t svcKernelRunning(void) {
pierreprovent 0:77ca32e8e04e 449 return os_running;
pierreprovent 0:77ca32e8e04e 450 }
pierreprovent 0:77ca32e8e04e 451
pierreprovent 0:77ca32e8e04e 452 // Kernel Control Public API
pierreprovent 0:77ca32e8e04e 453
pierreprovent 0:77ca32e8e04e 454 /// Initialize the RTOS Kernel for creating objects
pierreprovent 0:77ca32e8e04e 455 osStatus osKernelInitialize (void) {
pierreprovent 0:77ca32e8e04e 456 if (__get_CONTROL() == MODE_IRQ) return osErrorISR; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 457 if (__get_CONTROL() == MODE_SUPERVISOR) { // Privileged mode
pierreprovent 0:77ca32e8e04e 458 return svcKernelInitialize();
pierreprovent 0:77ca32e8e04e 459 } else {
pierreprovent 0:77ca32e8e04e 460 return __svcKernelInitialize();
pierreprovent 0:77ca32e8e04e 461 }
pierreprovent 0:77ca32e8e04e 462 }
pierreprovent 0:77ca32e8e04e 463
pierreprovent 0:77ca32e8e04e 464 /// Start the RTOS Kernel
pierreprovent 0:77ca32e8e04e 465 osStatus osKernelStart (void) {
pierreprovent 0:77ca32e8e04e 466
pierreprovent 0:77ca32e8e04e 467 if (__get_CONTROL() == MODE_IRQ) return osErrorISR; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 468 switch (__get_CONTROL()) {
pierreprovent 0:77ca32e8e04e 469 case MODE_SUPERVISOR: // Privileged mode
pierreprovent 0:77ca32e8e04e 470 break;
pierreprovent 0:77ca32e8e04e 471 case MODE_USER:
pierreprovent 0:77ca32e8e04e 472 case MODE_SYSTEM: // Unprivileged mode
pierreprovent 0:77ca32e8e04e 473 return osErrorOS;
pierreprovent 0:77ca32e8e04e 474 default: // Other invalid modes
pierreprovent 0:77ca32e8e04e 475 return osErrorOS;
pierreprovent 0:77ca32e8e04e 476 break;
pierreprovent 0:77ca32e8e04e 477 }
pierreprovent 0:77ca32e8e04e 478 return svcKernelStart();
pierreprovent 0:77ca32e8e04e 479 }
pierreprovent 0:77ca32e8e04e 480
pierreprovent 0:77ca32e8e04e 481 /// Check if the RTOS kernel is already started
pierreprovent 0:77ca32e8e04e 482 int32_t osKernelRunning(void) {
pierreprovent 0:77ca32e8e04e 483 if ((__get_CONTROL() == MODE_IRQ) || (__get_CONTROL() == MODE_SUPERVISOR)) {
pierreprovent 0:77ca32e8e04e 484 // in ISR or Privileged
pierreprovent 0:77ca32e8e04e 485 return os_running;
pierreprovent 0:77ca32e8e04e 486 } else {
pierreprovent 0:77ca32e8e04e 487 return __svcKernelRunning();
pierreprovent 0:77ca32e8e04e 488 }
pierreprovent 0:77ca32e8e04e 489 }
pierreprovent 0:77ca32e8e04e 490
pierreprovent 0:77ca32e8e04e 491
pierreprovent 0:77ca32e8e04e 492 // ==== Thread Management ====
pierreprovent 0:77ca32e8e04e 493
pierreprovent 0:77ca32e8e04e 494 __NO_RETURN void osThreadExit (void);
pierreprovent 0:77ca32e8e04e 495
pierreprovent 0:77ca32e8e04e 496 // Thread Service Calls declarations
pierreprovent 0:77ca32e8e04e 497 SVC_2_1(svcThreadCreate, osThreadId, osThreadDef_t *, void *, RET_pointer)
pierreprovent 0:77ca32e8e04e 498 SVC_0_1(svcThreadGetId, osThreadId, RET_pointer)
pierreprovent 0:77ca32e8e04e 499 SVC_1_1(svcThreadTerminate, osStatus, osThreadId, RET_osStatus)
pierreprovent 0:77ca32e8e04e 500 SVC_0_1(svcThreadYield, osStatus, RET_osStatus)
pierreprovent 0:77ca32e8e04e 501 SVC_2_1(svcThreadSetPriority, osStatus, osThreadId, osPriority, RET_osStatus)
pierreprovent 0:77ca32e8e04e 502 SVC_1_1(svcThreadGetPriority, osPriority, osThreadId, RET_osPriority)
pierreprovent 0:77ca32e8e04e 503
pierreprovent 0:77ca32e8e04e 504 // Thread Service Calls
pierreprovent 0:77ca32e8e04e 505 extern OS_TID rt_get_TID (void);
pierreprovent 0:77ca32e8e04e 506 extern void rt_init_context (P_TCB p_TCB, U8 priority, FUNCP task_body);
pierreprovent 0:77ca32e8e04e 507
pierreprovent 0:77ca32e8e04e 508 /// Create a thread and add it to Active Threads and set it to state READY
pierreprovent 0:77ca32e8e04e 509 osThreadId svcThreadCreate (osThreadDef_t *thread_def, void *argument) {
pierreprovent 0:77ca32e8e04e 510 P_TCB ptcb;
pierreprovent 0:77ca32e8e04e 511
pierreprovent 0:77ca32e8e04e 512 if ((thread_def == NULL) ||
pierreprovent 0:77ca32e8e04e 513 (thread_def->pthread == NULL) ||
pierreprovent 0:77ca32e8e04e 514 (thread_def->tpriority < osPriorityIdle) ||
pierreprovent 0:77ca32e8e04e 515 (thread_def->tpriority > osPriorityRealtime) ||
pierreprovent 0:77ca32e8e04e 516 (thread_def->stacksize == 0) ||
pierreprovent 0:77ca32e8e04e 517 (thread_def->stack_pointer == NULL) ) {
pierreprovent 0:77ca32e8e04e 518 sysThreadError(osErrorParameter);
pierreprovent 0:77ca32e8e04e 519 return NULL;
pierreprovent 0:77ca32e8e04e 520 }
pierreprovent 0:77ca32e8e04e 521
pierreprovent 0:77ca32e8e04e 522 U8 priority = thread_def->tpriority - osPriorityIdle + 1;
pierreprovent 0:77ca32e8e04e 523 P_TCB task_context = &thread_def->tcb;
pierreprovent 0:77ca32e8e04e 524
pierreprovent 0:77ca32e8e04e 525 /* Utilize the user provided stack. */
pierreprovent 0:77ca32e8e04e 526 task_context->stack = (U32*)thread_def->stack_pointer;
pierreprovent 0:77ca32e8e04e 527 task_context->priv_stack = thread_def->stacksize;
pierreprovent 0:77ca32e8e04e 528 /* Find a free entry in 'os_active_TCB' table. */
pierreprovent 0:77ca32e8e04e 529 OS_TID tsk = rt_get_TID ();
pierreprovent 0:77ca32e8e04e 530 os_active_TCB[tsk-1] = task_context;
pierreprovent 0:77ca32e8e04e 531 task_context->task_id = tsk;
pierreprovent 0:77ca32e8e04e 532 /* Pass parameter 'argv' to 'rt_init_context' */
pierreprovent 0:77ca32e8e04e 533 task_context->msg = argument;
pierreprovent 0:77ca32e8e04e 534 /* For 'size == 0' system allocates the user stack from the memory pool. */
pierreprovent 0:77ca32e8e04e 535 rt_init_context (task_context, priority, (FUNCP)thread_def->pthread);
pierreprovent 0:77ca32e8e04e 536
pierreprovent 0:77ca32e8e04e 537 /* Dispatch this task to the scheduler for execution. */
pierreprovent 0:77ca32e8e04e 538 DBG_TASK_NOTIFY(task_context, __TRUE);
pierreprovent 0:77ca32e8e04e 539 rt_dispatch (task_context);
pierreprovent 0:77ca32e8e04e 540
pierreprovent 0:77ca32e8e04e 541 ptcb = (P_TCB)os_active_TCB[tsk - 1]; // TCB pointer
pierreprovent 0:77ca32e8e04e 542
pierreprovent 0:77ca32e8e04e 543 *((uint32_t *)ptcb->tsk_stack + TCB_STACK_LR_OFFSET_DWORDS) = (uint32_t)osThreadExit; /* LR = osThreadExit */
pierreprovent 0:77ca32e8e04e 544
pierreprovent 0:77ca32e8e04e 545 return ptcb;
pierreprovent 0:77ca32e8e04e 546 }
pierreprovent 0:77ca32e8e04e 547
pierreprovent 0:77ca32e8e04e 548 /// Return the thread ID of the current running thread
pierreprovent 0:77ca32e8e04e 549 osThreadId svcThreadGetId (void) {
pierreprovent 0:77ca32e8e04e 550 OS_TID tsk;
pierreprovent 0:77ca32e8e04e 551
pierreprovent 0:77ca32e8e04e 552 tsk = rt_tsk_self();
pierreprovent 0:77ca32e8e04e 553 if (tsk == 0) return NULL;
pierreprovent 0:77ca32e8e04e 554 return (P_TCB)os_active_TCB[tsk - 1];
pierreprovent 0:77ca32e8e04e 555 }
pierreprovent 0:77ca32e8e04e 556
pierreprovent 0:77ca32e8e04e 557 /// Terminate execution of a thread and remove it from ActiveThreads
pierreprovent 0:77ca32e8e04e 558 osStatus svcThreadTerminate (osThreadId thread_id) {
pierreprovent 0:77ca32e8e04e 559 OS_RESULT res;
pierreprovent 0:77ca32e8e04e 560 P_TCB ptcb;
pierreprovent 0:77ca32e8e04e 561
pierreprovent 0:77ca32e8e04e 562 ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
pierreprovent 0:77ca32e8e04e 563 if (ptcb == NULL) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 564
pierreprovent 0:77ca32e8e04e 565 res = rt_tsk_delete(ptcb->task_id); // Delete task
pierreprovent 0:77ca32e8e04e 566
pierreprovent 0:77ca32e8e04e 567 if (res == OS_R_NOK) return osErrorResource; // Delete task failed
pierreprovent 0:77ca32e8e04e 568
pierreprovent 0:77ca32e8e04e 569 return osOK;
pierreprovent 0:77ca32e8e04e 570 }
pierreprovent 0:77ca32e8e04e 571
pierreprovent 0:77ca32e8e04e 572 /// Pass control to next thread that is in state READY
pierreprovent 0:77ca32e8e04e 573 osStatus svcThreadYield (void) {
pierreprovent 0:77ca32e8e04e 574 rt_tsk_pass(); // Pass control to next task
pierreprovent 0:77ca32e8e04e 575 return osOK;
pierreprovent 0:77ca32e8e04e 576 }
pierreprovent 0:77ca32e8e04e 577
pierreprovent 0:77ca32e8e04e 578 /// Change priority of an active thread
pierreprovent 0:77ca32e8e04e 579 osStatus svcThreadSetPriority (osThreadId thread_id, osPriority priority) {
pierreprovent 0:77ca32e8e04e 580 OS_RESULT res;
pierreprovent 0:77ca32e8e04e 581 P_TCB ptcb;
pierreprovent 0:77ca32e8e04e 582
pierreprovent 0:77ca32e8e04e 583 ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
pierreprovent 0:77ca32e8e04e 584 if (ptcb == NULL) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 585
pierreprovent 0:77ca32e8e04e 586 if ((priority < osPriorityIdle) || (priority > osPriorityRealtime)) {
pierreprovent 0:77ca32e8e04e 587 return osErrorValue;
pierreprovent 0:77ca32e8e04e 588 }
pierreprovent 0:77ca32e8e04e 589
pierreprovent 0:77ca32e8e04e 590 res = rt_tsk_prio( // Change task priority
pierreprovent 0:77ca32e8e04e 591 ptcb->task_id, // Task ID
pierreprovent 0:77ca32e8e04e 592 priority - osPriorityIdle + 1 // New task priority
pierreprovent 0:77ca32e8e04e 593 );
pierreprovent 0:77ca32e8e04e 594
pierreprovent 0:77ca32e8e04e 595 if (res == OS_R_NOK) return osErrorResource; // Change task priority failed
pierreprovent 0:77ca32e8e04e 596
pierreprovent 0:77ca32e8e04e 597 return osOK;
pierreprovent 0:77ca32e8e04e 598 }
pierreprovent 0:77ca32e8e04e 599
pierreprovent 0:77ca32e8e04e 600 /// Get current priority of an active thread
pierreprovent 0:77ca32e8e04e 601 osPriority svcThreadGetPriority (osThreadId thread_id) {
pierreprovent 0:77ca32e8e04e 602 P_TCB ptcb;
pierreprovent 0:77ca32e8e04e 603
pierreprovent 0:77ca32e8e04e 604 ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
pierreprovent 0:77ca32e8e04e 605 if (ptcb == NULL) return osPriorityError;
pierreprovent 0:77ca32e8e04e 606
pierreprovent 0:77ca32e8e04e 607 return (osPriority)(ptcb->prio - 1 + osPriorityIdle);
pierreprovent 0:77ca32e8e04e 608 }
pierreprovent 0:77ca32e8e04e 609
pierreprovent 0:77ca32e8e04e 610
pierreprovent 0:77ca32e8e04e 611 // Thread Public API
pierreprovent 0:77ca32e8e04e 612
pierreprovent 0:77ca32e8e04e 613 /// Create a thread and add it to Active Threads and set it to state READY
pierreprovent 0:77ca32e8e04e 614 osThreadId osThreadCreate (osThreadDef_t *thread_def, void *argument) {
pierreprovent 0:77ca32e8e04e 615 if (__get_CONTROL() == MODE_IRQ) return NULL; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 616 if ((__get_CONTROL() == MODE_SUPERVISOR) && (os_running == 0)) {
pierreprovent 0:77ca32e8e04e 617 // Privileged and not running
pierreprovent 0:77ca32e8e04e 618 return svcThreadCreate(thread_def, argument);
pierreprovent 0:77ca32e8e04e 619 } else {
pierreprovent 0:77ca32e8e04e 620 return __svcThreadCreate(thread_def, argument);
pierreprovent 0:77ca32e8e04e 621 }
pierreprovent 0:77ca32e8e04e 622 }
pierreprovent 0:77ca32e8e04e 623
pierreprovent 0:77ca32e8e04e 624 /// Return the thread ID of the current running thread
pierreprovent 0:77ca32e8e04e 625 osThreadId osThreadGetId (void) {
pierreprovent 0:77ca32e8e04e 626 if (__get_CONTROL() == MODE_IRQ) return NULL; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 627 return __svcThreadGetId();
pierreprovent 0:77ca32e8e04e 628 }
pierreprovent 0:77ca32e8e04e 629
pierreprovent 0:77ca32e8e04e 630 /// Terminate execution of a thread and remove it from ActiveThreads
pierreprovent 0:77ca32e8e04e 631 osStatus osThreadTerminate (osThreadId thread_id) {
pierreprovent 0:77ca32e8e04e 632 if (__get_CONTROL() == MODE_IRQ) return osErrorISR; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 633 return __svcThreadTerminate(thread_id);
pierreprovent 0:77ca32e8e04e 634 }
pierreprovent 0:77ca32e8e04e 635
pierreprovent 0:77ca32e8e04e 636 /// Pass control to next thread that is in state READY
pierreprovent 0:77ca32e8e04e 637 osStatus osThreadYield (void) {
pierreprovent 0:77ca32e8e04e 638 if (__get_CONTROL() == MODE_IRQ) return osErrorISR; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 639 return __svcThreadYield();
pierreprovent 0:77ca32e8e04e 640 }
pierreprovent 0:77ca32e8e04e 641
pierreprovent 0:77ca32e8e04e 642 /// Change priority of an active thread
pierreprovent 0:77ca32e8e04e 643 osStatus osThreadSetPriority (osThreadId thread_id, osPriority priority) {
pierreprovent 0:77ca32e8e04e 644 if (__get_CONTROL() == MODE_IRQ) return osErrorISR; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 645 return __svcThreadSetPriority(thread_id, priority);
pierreprovent 0:77ca32e8e04e 646 }
pierreprovent 0:77ca32e8e04e 647
pierreprovent 0:77ca32e8e04e 648 /// Get current priority of an active thread
pierreprovent 0:77ca32e8e04e 649 osPriority osThreadGetPriority (osThreadId thread_id) {
pierreprovent 0:77ca32e8e04e 650 if (__get_CONTROL() == MODE_IRQ) return osPriorityError;// Not allowed in ISR
pierreprovent 0:77ca32e8e04e 651 return __svcThreadGetPriority(thread_id);
pierreprovent 0:77ca32e8e04e 652 }
pierreprovent 0:77ca32e8e04e 653
pierreprovent 0:77ca32e8e04e 654 /// INTERNAL - Not Public
pierreprovent 0:77ca32e8e04e 655 /// Auto Terminate Thread on exit (used implicitly when thread exists)
pierreprovent 0:77ca32e8e04e 656 __NO_RETURN void osThreadExit (void) {
pierreprovent 0:77ca32e8e04e 657 __svcThreadTerminate(__svcThreadGetId());
pierreprovent 0:77ca32e8e04e 658 for (;;); // Should never come here
pierreprovent 0:77ca32e8e04e 659 }
pierreprovent 0:77ca32e8e04e 660
pierreprovent 0:77ca32e8e04e 661
pierreprovent 0:77ca32e8e04e 662 // ==== Generic Wait Functions ====
pierreprovent 0:77ca32e8e04e 663
pierreprovent 0:77ca32e8e04e 664 // Generic Wait Service Calls declarations
pierreprovent 0:77ca32e8e04e 665 SVC_1_1(svcDelay, osStatus, uint32_t, RET_osStatus)
pierreprovent 0:77ca32e8e04e 666 #if osFeature_Wait != 0
pierreprovent 0:77ca32e8e04e 667 SVC_1_3(svcWait, os_InRegs osEvent, uint32_t, RET_osEvent)
pierreprovent 0:77ca32e8e04e 668 #endif
pierreprovent 0:77ca32e8e04e 669
pierreprovent 0:77ca32e8e04e 670 // Generic Wait Service Calls
pierreprovent 0:77ca32e8e04e 671
pierreprovent 0:77ca32e8e04e 672 /// Wait for Timeout (Time Delay)
pierreprovent 0:77ca32e8e04e 673 osStatus svcDelay (uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 674 if (millisec == 0) return osOK;
pierreprovent 0:77ca32e8e04e 675 rt_dly_wait(rt_ms2tick(millisec));
pierreprovent 0:77ca32e8e04e 676 return osEventTimeout;
pierreprovent 0:77ca32e8e04e 677 }
pierreprovent 0:77ca32e8e04e 678
pierreprovent 0:77ca32e8e04e 679 /// Wait for Signal, Message, Mail, or Timeout
pierreprovent 0:77ca32e8e04e 680 #if osFeature_Wait != 0
pierreprovent 0:77ca32e8e04e 681 os_InRegs osEvent_type svcWait (uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 682 osEvent ret;
pierreprovent 0:77ca32e8e04e 683
pierreprovent 0:77ca32e8e04e 684 if (millisec == 0) {
pierreprovent 0:77ca32e8e04e 685 ret.status = osOK;
pierreprovent 0:77ca32e8e04e 686 return osEvent_ret_status;
pierreprovent 0:77ca32e8e04e 687 }
pierreprovent 0:77ca32e8e04e 688
pierreprovent 0:77ca32e8e04e 689 /* To Do: osEventSignal, osEventMessage, osEventMail */
pierreprovent 0:77ca32e8e04e 690 rt_dly_wait(rt_ms2tick(millisec));
pierreprovent 0:77ca32e8e04e 691 ret.status = osEventTimeout;
pierreprovent 0:77ca32e8e04e 692
pierreprovent 0:77ca32e8e04e 693 return osEvent_ret_status;
pierreprovent 0:77ca32e8e04e 694 }
pierreprovent 0:77ca32e8e04e 695 #endif
pierreprovent 0:77ca32e8e04e 696
pierreprovent 0:77ca32e8e04e 697
pierreprovent 0:77ca32e8e04e 698 // Generic Wait API
pierreprovent 0:77ca32e8e04e 699
pierreprovent 0:77ca32e8e04e 700 /// Wait for Timeout (Time Delay)
pierreprovent 0:77ca32e8e04e 701 osStatus osDelay (uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 702 if (__get_CONTROL() == MODE_IRQ) return osErrorISR; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 703 return __svcDelay(millisec);
pierreprovent 0:77ca32e8e04e 704 }
pierreprovent 0:77ca32e8e04e 705
pierreprovent 0:77ca32e8e04e 706 /// Wait for Signal, Message, Mail, or Timeout
pierreprovent 0:77ca32e8e04e 707 os_InRegs osEvent osWait (uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 708 osEvent ret;
pierreprovent 0:77ca32e8e04e 709
pierreprovent 0:77ca32e8e04e 710 #if osFeature_Wait == 0
pierreprovent 0:77ca32e8e04e 711 ret.status = osErrorOS;
pierreprovent 0:77ca32e8e04e 712 return ret;
pierreprovent 0:77ca32e8e04e 713 #else
pierreprovent 0:77ca32e8e04e 714 if (__get_CONTROL() == MODE_IRQ) { // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 715 ret.status = osErrorISR;
pierreprovent 0:77ca32e8e04e 716 return ret;
pierreprovent 0:77ca32e8e04e 717 }
pierreprovent 0:77ca32e8e04e 718 return __svcWait(millisec);
pierreprovent 0:77ca32e8e04e 719 #endif
pierreprovent 0:77ca32e8e04e 720 }
pierreprovent 0:77ca32e8e04e 721
pierreprovent 0:77ca32e8e04e 722
pierreprovent 0:77ca32e8e04e 723 // ==== Timer Management ====
pierreprovent 0:77ca32e8e04e 724
pierreprovent 0:77ca32e8e04e 725 // Timer definitions
pierreprovent 0:77ca32e8e04e 726 #define osTimerInvalid 0
pierreprovent 0:77ca32e8e04e 727 #define osTimerStopped 1
pierreprovent 0:77ca32e8e04e 728 #define osTimerRunning 2
pierreprovent 0:77ca32e8e04e 729
pierreprovent 0:77ca32e8e04e 730 // Timer structures
pierreprovent 0:77ca32e8e04e 731
pierreprovent 0:77ca32e8e04e 732 typedef struct os_timer_cb_ { // Timer Control Block
pierreprovent 0:77ca32e8e04e 733 struct os_timer_cb_ *next; // Pointer to next active Timer
pierreprovent 0:77ca32e8e04e 734 uint8_t state; // Timer State
pierreprovent 0:77ca32e8e04e 735 uint8_t type; // Timer Type (Periodic/One-shot)
pierreprovent 0:77ca32e8e04e 736 uint16_t reserved; // Reserved
pierreprovent 0:77ca32e8e04e 737 uint16_t tcnt; // Timer Delay Count
pierreprovent 0:77ca32e8e04e 738 uint16_t icnt; // Timer Initial Count
pierreprovent 0:77ca32e8e04e 739 void *arg; // Timer Function Argument
pierreprovent 0:77ca32e8e04e 740 osTimerDef_t *timer; // Pointer to Timer definition
pierreprovent 0:77ca32e8e04e 741 } os_timer_cb;
pierreprovent 0:77ca32e8e04e 742
pierreprovent 0:77ca32e8e04e 743 // Timer variables
pierreprovent 0:77ca32e8e04e 744 os_timer_cb *os_timer_head; // Pointer to first active Timer
pierreprovent 0:77ca32e8e04e 745
pierreprovent 0:77ca32e8e04e 746
pierreprovent 0:77ca32e8e04e 747 // Timer Helper Functions
pierreprovent 0:77ca32e8e04e 748
pierreprovent 0:77ca32e8e04e 749 // Insert Timer into the list sorted by time
pierreprovent 0:77ca32e8e04e 750 static void rt_timer_insert (os_timer_cb *pt, uint32_t tcnt) {
pierreprovent 0:77ca32e8e04e 751 os_timer_cb *p, *prev;
pierreprovent 0:77ca32e8e04e 752
pierreprovent 0:77ca32e8e04e 753 prev = NULL;
pierreprovent 0:77ca32e8e04e 754 p = os_timer_head;
pierreprovent 0:77ca32e8e04e 755 while (p != NULL) {
pierreprovent 0:77ca32e8e04e 756 if (tcnt < p->tcnt) break;
pierreprovent 0:77ca32e8e04e 757 tcnt -= p->tcnt;
pierreprovent 0:77ca32e8e04e 758 prev = p;
pierreprovent 0:77ca32e8e04e 759 p = p->next;
pierreprovent 0:77ca32e8e04e 760 }
pierreprovent 0:77ca32e8e04e 761 pt->next = p;
pierreprovent 0:77ca32e8e04e 762 pt->tcnt = (uint16_t)tcnt;
pierreprovent 0:77ca32e8e04e 763 if (p != NULL) {
pierreprovent 0:77ca32e8e04e 764 p->tcnt -= pt->tcnt;
pierreprovent 0:77ca32e8e04e 765 }
pierreprovent 0:77ca32e8e04e 766 if (prev != NULL) {
pierreprovent 0:77ca32e8e04e 767 prev->next = pt;
pierreprovent 0:77ca32e8e04e 768 } else {
pierreprovent 0:77ca32e8e04e 769 os_timer_head = pt;
pierreprovent 0:77ca32e8e04e 770 }
pierreprovent 0:77ca32e8e04e 771 }
pierreprovent 0:77ca32e8e04e 772
pierreprovent 0:77ca32e8e04e 773 // Remove Timer from the list
pierreprovent 0:77ca32e8e04e 774 static int rt_timer_remove (os_timer_cb *pt) {
pierreprovent 0:77ca32e8e04e 775 os_timer_cb *p, *prev;
pierreprovent 0:77ca32e8e04e 776
pierreprovent 0:77ca32e8e04e 777 prev = NULL;
pierreprovent 0:77ca32e8e04e 778 p = os_timer_head;
pierreprovent 0:77ca32e8e04e 779 while (p != NULL) {
pierreprovent 0:77ca32e8e04e 780 if (p == pt) break;
pierreprovent 0:77ca32e8e04e 781 prev = p;
pierreprovent 0:77ca32e8e04e 782 p = p->next;
pierreprovent 0:77ca32e8e04e 783 }
pierreprovent 0:77ca32e8e04e 784 if (p == NULL) return -1;
pierreprovent 0:77ca32e8e04e 785 if (prev != NULL) {
pierreprovent 0:77ca32e8e04e 786 prev->next = pt->next;
pierreprovent 0:77ca32e8e04e 787 } else {
pierreprovent 0:77ca32e8e04e 788 os_timer_head = pt->next;
pierreprovent 0:77ca32e8e04e 789 }
pierreprovent 0:77ca32e8e04e 790 if (pt->next != NULL) {
pierreprovent 0:77ca32e8e04e 791 pt->next->tcnt += pt->tcnt;
pierreprovent 0:77ca32e8e04e 792 }
pierreprovent 0:77ca32e8e04e 793
pierreprovent 0:77ca32e8e04e 794 return 0;
pierreprovent 0:77ca32e8e04e 795 }
pierreprovent 0:77ca32e8e04e 796
pierreprovent 0:77ca32e8e04e 797
pierreprovent 0:77ca32e8e04e 798 // Timer Service Calls declarations
pierreprovent 0:77ca32e8e04e 799 SVC_3_1(svcTimerCreate, osTimerId, osTimerDef_t *, os_timer_type, void *, RET_pointer)
pierreprovent 0:77ca32e8e04e 800 SVC_2_1(svcTimerStart, osStatus, osTimerId, uint32_t, RET_osStatus)
pierreprovent 0:77ca32e8e04e 801 SVC_1_1(svcTimerStop, osStatus, osTimerId, RET_osStatus)
pierreprovent 0:77ca32e8e04e 802 SVC_1_1(svcTimerDelete, osStatus, osTimerId, RET_osStatus)
pierreprovent 0:77ca32e8e04e 803 SVC_1_2(svcTimerCall, os_InRegs osCallback, osTimerId, RET_osCallback)
pierreprovent 0:77ca32e8e04e 804
pierreprovent 0:77ca32e8e04e 805 // Timer Management Service Calls
pierreprovent 0:77ca32e8e04e 806
pierreprovent 0:77ca32e8e04e 807 /// Create timer
pierreprovent 0:77ca32e8e04e 808 osTimerId svcTimerCreate (osTimerDef_t *timer_def, os_timer_type type, void *argument) {
pierreprovent 0:77ca32e8e04e 809 os_timer_cb *pt;
pierreprovent 0:77ca32e8e04e 810
pierreprovent 0:77ca32e8e04e 811 if ((timer_def == NULL) || (timer_def->ptimer == NULL)) {
pierreprovent 0:77ca32e8e04e 812 sysThreadError(osErrorParameter);
pierreprovent 0:77ca32e8e04e 813 return NULL;
pierreprovent 0:77ca32e8e04e 814 }
pierreprovent 0:77ca32e8e04e 815
pierreprovent 0:77ca32e8e04e 816 pt = timer_def->timer;
pierreprovent 0:77ca32e8e04e 817 if (pt == NULL) {
pierreprovent 0:77ca32e8e04e 818 sysThreadError(osErrorParameter);
pierreprovent 0:77ca32e8e04e 819 return NULL;
pierreprovent 0:77ca32e8e04e 820 }
pierreprovent 0:77ca32e8e04e 821
pierreprovent 0:77ca32e8e04e 822 if ((type != osTimerOnce) && (type != osTimerPeriodic)) {
pierreprovent 0:77ca32e8e04e 823 sysThreadError(osErrorValue);
pierreprovent 0:77ca32e8e04e 824 return NULL;
pierreprovent 0:77ca32e8e04e 825 }
pierreprovent 0:77ca32e8e04e 826
pierreprovent 0:77ca32e8e04e 827 if (osThreadId_osTimerThread == NULL) {
pierreprovent 0:77ca32e8e04e 828 sysThreadError(osErrorResource);
pierreprovent 0:77ca32e8e04e 829 return NULL;
pierreprovent 0:77ca32e8e04e 830 }
pierreprovent 0:77ca32e8e04e 831
pierreprovent 0:77ca32e8e04e 832 if (pt->state != osTimerInvalid){
pierreprovent 0:77ca32e8e04e 833 sysThreadError(osErrorResource);
pierreprovent 0:77ca32e8e04e 834 return NULL;
pierreprovent 0:77ca32e8e04e 835 }
pierreprovent 0:77ca32e8e04e 836
pierreprovent 0:77ca32e8e04e 837 pt->state = osTimerStopped;
pierreprovent 0:77ca32e8e04e 838 pt->type = (uint8_t)type;
pierreprovent 0:77ca32e8e04e 839 pt->arg = argument;
pierreprovent 0:77ca32e8e04e 840 pt->timer = timer_def;
pierreprovent 0:77ca32e8e04e 841
pierreprovent 0:77ca32e8e04e 842 return (osTimerId)pt;
pierreprovent 0:77ca32e8e04e 843 }
pierreprovent 0:77ca32e8e04e 844
pierreprovent 0:77ca32e8e04e 845 /// Start or restart timer
pierreprovent 0:77ca32e8e04e 846 osStatus svcTimerStart (osTimerId timer_id, uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 847 os_timer_cb *pt;
pierreprovent 0:77ca32e8e04e 848 uint32_t tcnt;
pierreprovent 0:77ca32e8e04e 849
pierreprovent 0:77ca32e8e04e 850 pt = rt_id2obj(timer_id);
pierreprovent 0:77ca32e8e04e 851 if (pt == NULL) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 852
pierreprovent 0:77ca32e8e04e 853 tcnt = rt_ms2tick(millisec);
pierreprovent 0:77ca32e8e04e 854 if (tcnt == 0) return osErrorValue;
pierreprovent 0:77ca32e8e04e 855
pierreprovent 0:77ca32e8e04e 856 switch (pt->state) {
pierreprovent 0:77ca32e8e04e 857 case osTimerRunning:
pierreprovent 0:77ca32e8e04e 858 if (rt_timer_remove(pt) != 0) {
pierreprovent 0:77ca32e8e04e 859 return osErrorResource;
pierreprovent 0:77ca32e8e04e 860 }
pierreprovent 0:77ca32e8e04e 861 break;
pierreprovent 0:77ca32e8e04e 862 case osTimerStopped:
pierreprovent 0:77ca32e8e04e 863 pt->state = osTimerRunning;
pierreprovent 0:77ca32e8e04e 864 pt->icnt = (uint16_t)tcnt;
pierreprovent 0:77ca32e8e04e 865 break;
pierreprovent 0:77ca32e8e04e 866 default:
pierreprovent 0:77ca32e8e04e 867 return osErrorResource;
pierreprovent 0:77ca32e8e04e 868 }
pierreprovent 0:77ca32e8e04e 869
pierreprovent 0:77ca32e8e04e 870 rt_timer_insert(pt, tcnt);
pierreprovent 0:77ca32e8e04e 871
pierreprovent 0:77ca32e8e04e 872 return osOK;
pierreprovent 0:77ca32e8e04e 873 }
pierreprovent 0:77ca32e8e04e 874
pierreprovent 0:77ca32e8e04e 875 /// Stop timer
pierreprovent 0:77ca32e8e04e 876 osStatus svcTimerStop (osTimerId timer_id) {
pierreprovent 0:77ca32e8e04e 877 os_timer_cb *pt;
pierreprovent 0:77ca32e8e04e 878
pierreprovent 0:77ca32e8e04e 879 pt = rt_id2obj(timer_id);
pierreprovent 0:77ca32e8e04e 880 if (pt == NULL) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 881
pierreprovent 0:77ca32e8e04e 882 if (pt->state != osTimerRunning) return osErrorResource;
pierreprovent 0:77ca32e8e04e 883
pierreprovent 0:77ca32e8e04e 884 pt->state = osTimerStopped;
pierreprovent 0:77ca32e8e04e 885
pierreprovent 0:77ca32e8e04e 886 if (rt_timer_remove(pt) != 0) {
pierreprovent 0:77ca32e8e04e 887 return osErrorResource;
pierreprovent 0:77ca32e8e04e 888 }
pierreprovent 0:77ca32e8e04e 889
pierreprovent 0:77ca32e8e04e 890 return osOK;
pierreprovent 0:77ca32e8e04e 891 }
pierreprovent 0:77ca32e8e04e 892
pierreprovent 0:77ca32e8e04e 893 /// Delete timer
pierreprovent 0:77ca32e8e04e 894 osStatus svcTimerDelete (osTimerId timer_id) {
pierreprovent 0:77ca32e8e04e 895 os_timer_cb *pt;
pierreprovent 0:77ca32e8e04e 896
pierreprovent 0:77ca32e8e04e 897 pt = rt_id2obj(timer_id);
pierreprovent 0:77ca32e8e04e 898 if (pt == NULL) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 899
pierreprovent 0:77ca32e8e04e 900 switch (pt->state) {
pierreprovent 0:77ca32e8e04e 901 case osTimerRunning:
pierreprovent 0:77ca32e8e04e 902 rt_timer_remove(pt);
pierreprovent 0:77ca32e8e04e 903 break;
pierreprovent 0:77ca32e8e04e 904 case osTimerStopped:
pierreprovent 0:77ca32e8e04e 905 break;
pierreprovent 0:77ca32e8e04e 906 default:
pierreprovent 0:77ca32e8e04e 907 return osErrorResource;
pierreprovent 0:77ca32e8e04e 908 }
pierreprovent 0:77ca32e8e04e 909
pierreprovent 0:77ca32e8e04e 910 pt->state = osTimerInvalid;
pierreprovent 0:77ca32e8e04e 911
pierreprovent 0:77ca32e8e04e 912 return osOK;
pierreprovent 0:77ca32e8e04e 913 }
pierreprovent 0:77ca32e8e04e 914
pierreprovent 0:77ca32e8e04e 915 /// Get timer callback parameters
pierreprovent 0:77ca32e8e04e 916 os_InRegs osCallback_type svcTimerCall (osTimerId timer_id) {
pierreprovent 0:77ca32e8e04e 917 os_timer_cb *pt;
pierreprovent 0:77ca32e8e04e 918 osCallback ret;
pierreprovent 0:77ca32e8e04e 919
pierreprovent 0:77ca32e8e04e 920 pt = rt_id2obj(timer_id);
pierreprovent 0:77ca32e8e04e 921 if (pt == NULL) {
pierreprovent 0:77ca32e8e04e 922 ret.fp = NULL;
pierreprovent 0:77ca32e8e04e 923 ret.arg = NULL;
pierreprovent 0:77ca32e8e04e 924 return osCallback_ret;
pierreprovent 0:77ca32e8e04e 925 }
pierreprovent 0:77ca32e8e04e 926
pierreprovent 0:77ca32e8e04e 927 ret.fp = (void *)pt->timer->ptimer;
pierreprovent 0:77ca32e8e04e 928 ret.arg = pt->arg;
pierreprovent 0:77ca32e8e04e 929
pierreprovent 0:77ca32e8e04e 930 return osCallback_ret;
pierreprovent 0:77ca32e8e04e 931 }
pierreprovent 0:77ca32e8e04e 932
pierreprovent 0:77ca32e8e04e 933 static __INLINE osStatus isrMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec);
pierreprovent 0:77ca32e8e04e 934
pierreprovent 0:77ca32e8e04e 935 /// Timer Tick (called each SysTick)
pierreprovent 0:77ca32e8e04e 936 void sysTimerTick (void) {
pierreprovent 0:77ca32e8e04e 937 os_timer_cb *pt, *p;
pierreprovent 0:77ca32e8e04e 938
pierreprovent 0:77ca32e8e04e 939 p = os_timer_head;
pierreprovent 0:77ca32e8e04e 940 if (p == NULL) return;
pierreprovent 0:77ca32e8e04e 941
pierreprovent 0:77ca32e8e04e 942 p->tcnt--;
pierreprovent 0:77ca32e8e04e 943 while ((p != NULL) && (p->tcnt == 0)) {
pierreprovent 0:77ca32e8e04e 944 pt = p;
pierreprovent 0:77ca32e8e04e 945 p = p->next;
pierreprovent 0:77ca32e8e04e 946 os_timer_head = p;
pierreprovent 0:77ca32e8e04e 947 isrMessagePut(osMessageQId_osTimerMessageQ, (uint32_t)pt, 0);
pierreprovent 0:77ca32e8e04e 948 if (pt->type == osTimerPeriodic) {
pierreprovent 0:77ca32e8e04e 949 rt_timer_insert(pt, pt->icnt);
pierreprovent 0:77ca32e8e04e 950 } else {
pierreprovent 0:77ca32e8e04e 951 pt->state = osTimerStopped;
pierreprovent 0:77ca32e8e04e 952 }
pierreprovent 0:77ca32e8e04e 953 }
pierreprovent 0:77ca32e8e04e 954 }
pierreprovent 0:77ca32e8e04e 955
pierreprovent 0:77ca32e8e04e 956
pierreprovent 0:77ca32e8e04e 957 // Timer Management Public API
pierreprovent 0:77ca32e8e04e 958
pierreprovent 0:77ca32e8e04e 959 /// Create timer
pierreprovent 0:77ca32e8e04e 960 osTimerId osTimerCreate (osTimerDef_t *timer_def, os_timer_type type, void *argument) {
pierreprovent 0:77ca32e8e04e 961 if (__get_CONTROL() == MODE_IRQ) return NULL; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 962 if ((__get_CONTROL() == MODE_SUPERVISOR) && (os_running == 0)) {
pierreprovent 0:77ca32e8e04e 963 // Privileged and not running
pierreprovent 0:77ca32e8e04e 964 return svcTimerCreate(timer_def, type, argument);
pierreprovent 0:77ca32e8e04e 965 } else {
pierreprovent 0:77ca32e8e04e 966 return __svcTimerCreate(timer_def, type, argument);
pierreprovent 0:77ca32e8e04e 967 }
pierreprovent 0:77ca32e8e04e 968 }
pierreprovent 0:77ca32e8e04e 969
pierreprovent 0:77ca32e8e04e 970 /// Start or restart timer
pierreprovent 0:77ca32e8e04e 971 osStatus osTimerStart (osTimerId timer_id, uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 972 if (__get_CONTROL() == MODE_IRQ) return osErrorISR; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 973 return __svcTimerStart(timer_id, millisec);
pierreprovent 0:77ca32e8e04e 974 }
pierreprovent 0:77ca32e8e04e 975
pierreprovent 0:77ca32e8e04e 976 /// Stop timer
pierreprovent 0:77ca32e8e04e 977 osStatus osTimerStop (osTimerId timer_id) {
pierreprovent 0:77ca32e8e04e 978 if (__get_CONTROL() == MODE_IRQ) return osErrorISR; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 979 return __svcTimerStop(timer_id);
pierreprovent 0:77ca32e8e04e 980 }
pierreprovent 0:77ca32e8e04e 981
pierreprovent 0:77ca32e8e04e 982 /// Delete timer
pierreprovent 0:77ca32e8e04e 983 osStatus osTimerDelete (osTimerId timer_id) {
pierreprovent 0:77ca32e8e04e 984 if (__get_CONTROL() == MODE_IRQ) return osErrorISR; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 985 return __svcTimerDelete(timer_id);
pierreprovent 0:77ca32e8e04e 986 }
pierreprovent 0:77ca32e8e04e 987
pierreprovent 0:77ca32e8e04e 988 /// INTERNAL - Not Public
pierreprovent 0:77ca32e8e04e 989 /// Get timer callback parameters (used by OS Timer Thread)
pierreprovent 0:77ca32e8e04e 990 os_InRegs osCallback osTimerCall (osTimerId timer_id) {
pierreprovent 0:77ca32e8e04e 991 return __svcTimerCall(timer_id);
pierreprovent 0:77ca32e8e04e 992 }
pierreprovent 0:77ca32e8e04e 993
pierreprovent 0:77ca32e8e04e 994
pierreprovent 0:77ca32e8e04e 995 // Timer Thread
pierreprovent 0:77ca32e8e04e 996 __NO_RETURN void osTimerThread (void const *argument) {
pierreprovent 0:77ca32e8e04e 997 osCallback cb;
pierreprovent 0:77ca32e8e04e 998 osEvent evt;
pierreprovent 0:77ca32e8e04e 999
pierreprovent 0:77ca32e8e04e 1000 for (;;) {
pierreprovent 0:77ca32e8e04e 1001 evt = osMessageGet(osMessageQId_osTimerMessageQ, osWaitForever);
pierreprovent 0:77ca32e8e04e 1002 if (evt.status == osEventMessage) {
pierreprovent 0:77ca32e8e04e 1003 cb = osTimerCall(evt.value.p);
pierreprovent 0:77ca32e8e04e 1004 if (cb.fp != NULL) {
pierreprovent 0:77ca32e8e04e 1005 (*(os_ptimer)cb.fp)(cb.arg);
pierreprovent 0:77ca32e8e04e 1006 }
pierreprovent 0:77ca32e8e04e 1007 }
pierreprovent 0:77ca32e8e04e 1008 }
pierreprovent 0:77ca32e8e04e 1009 }
pierreprovent 0:77ca32e8e04e 1010
pierreprovent 0:77ca32e8e04e 1011
pierreprovent 0:77ca32e8e04e 1012 // ==== Signal Management ====
pierreprovent 0:77ca32e8e04e 1013
pierreprovent 0:77ca32e8e04e 1014 // Signal Service Calls declarations
pierreprovent 0:77ca32e8e04e 1015 SVC_2_1(svcSignalSet, int32_t, osThreadId, int32_t, RET_int32_t)
pierreprovent 0:77ca32e8e04e 1016 SVC_2_1(svcSignalClear, int32_t, osThreadId, int32_t, RET_int32_t)
pierreprovent 0:77ca32e8e04e 1017 SVC_1_1(svcSignalGet, int32_t, osThreadId, RET_int32_t)
pierreprovent 0:77ca32e8e04e 1018 SVC_2_3(svcSignalWait, os_InRegs osEvent, int32_t, uint32_t, RET_osEvent)
pierreprovent 0:77ca32e8e04e 1019
pierreprovent 0:77ca32e8e04e 1020 // Signal Service Calls
pierreprovent 0:77ca32e8e04e 1021
pierreprovent 0:77ca32e8e04e 1022 /// Set the specified Signal Flags of an active thread
pierreprovent 0:77ca32e8e04e 1023 int32_t svcSignalSet (osThreadId thread_id, int32_t signals) {
pierreprovent 0:77ca32e8e04e 1024 P_TCB ptcb;
pierreprovent 0:77ca32e8e04e 1025 int32_t sig;
pierreprovent 0:77ca32e8e04e 1026
pierreprovent 0:77ca32e8e04e 1027 ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
pierreprovent 0:77ca32e8e04e 1028 if (ptcb == NULL) return 0x80000000;
pierreprovent 0:77ca32e8e04e 1029
pierreprovent 0:77ca32e8e04e 1030 if (signals & (0xFFFFFFFF << osFeature_Signals)) return 0x80000000;
pierreprovent 0:77ca32e8e04e 1031
pierreprovent 0:77ca32e8e04e 1032 sig = ptcb->events; // Previous signal flags
pierreprovent 0:77ca32e8e04e 1033
pierreprovent 0:77ca32e8e04e 1034 rt_evt_set(signals, ptcb->task_id); // Set event flags
pierreprovent 0:77ca32e8e04e 1035
pierreprovent 0:77ca32e8e04e 1036 return sig;
pierreprovent 0:77ca32e8e04e 1037 }
pierreprovent 0:77ca32e8e04e 1038
pierreprovent 0:77ca32e8e04e 1039 /// Clear the specified Signal Flags of an active thread
pierreprovent 0:77ca32e8e04e 1040 int32_t svcSignalClear (osThreadId thread_id, int32_t signals) {
pierreprovent 0:77ca32e8e04e 1041 P_TCB ptcb;
pierreprovent 0:77ca32e8e04e 1042 int32_t sig;
pierreprovent 0:77ca32e8e04e 1043
pierreprovent 0:77ca32e8e04e 1044 ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
pierreprovent 0:77ca32e8e04e 1045 if (ptcb == NULL) return 0x80000000;
pierreprovent 0:77ca32e8e04e 1046
pierreprovent 0:77ca32e8e04e 1047 if (signals & (0xFFFFFFFF << osFeature_Signals)) return 0x80000000;
pierreprovent 0:77ca32e8e04e 1048
pierreprovent 0:77ca32e8e04e 1049 sig = ptcb->events; // Previous signal flags
pierreprovent 0:77ca32e8e04e 1050
pierreprovent 0:77ca32e8e04e 1051 rt_evt_clr(signals, ptcb->task_id); // Clear event flags
pierreprovent 0:77ca32e8e04e 1052
pierreprovent 0:77ca32e8e04e 1053 return sig;
pierreprovent 0:77ca32e8e04e 1054 }
pierreprovent 0:77ca32e8e04e 1055
pierreprovent 0:77ca32e8e04e 1056 /// Get Signal Flags status of an active thread
pierreprovent 0:77ca32e8e04e 1057 int32_t svcSignalGet (osThreadId thread_id) {
pierreprovent 0:77ca32e8e04e 1058 P_TCB ptcb;
pierreprovent 0:77ca32e8e04e 1059
pierreprovent 0:77ca32e8e04e 1060 ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
pierreprovent 0:77ca32e8e04e 1061 if (ptcb == NULL) return 0x80000000;
pierreprovent 0:77ca32e8e04e 1062
pierreprovent 0:77ca32e8e04e 1063 return ptcb->events; // Return event flags
pierreprovent 0:77ca32e8e04e 1064 }
pierreprovent 0:77ca32e8e04e 1065
pierreprovent 0:77ca32e8e04e 1066 /// Wait for one or more Signal Flags to become signaled for the current RUNNING thread
pierreprovent 0:77ca32e8e04e 1067 os_InRegs osEvent_type svcSignalWait (int32_t signals, uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 1068 OS_RESULT res;
pierreprovent 0:77ca32e8e04e 1069 osEvent ret;
pierreprovent 0:77ca32e8e04e 1070
pierreprovent 0:77ca32e8e04e 1071 if (signals & (0xFFFFFFFF << osFeature_Signals)) {
pierreprovent 0:77ca32e8e04e 1072 ret.status = osErrorValue;
pierreprovent 0:77ca32e8e04e 1073 return osEvent_ret_status;
pierreprovent 0:77ca32e8e04e 1074 }
pierreprovent 0:77ca32e8e04e 1075
pierreprovent 0:77ca32e8e04e 1076 if (signals != 0) { // Wait for all specified signals
pierreprovent 0:77ca32e8e04e 1077 res = rt_evt_wait(signals, rt_ms2tick(millisec), __TRUE);
pierreprovent 0:77ca32e8e04e 1078 } else { // Wait for any signal
pierreprovent 0:77ca32e8e04e 1079 res = rt_evt_wait(0xFFFF, rt_ms2tick(millisec), __FALSE);
pierreprovent 0:77ca32e8e04e 1080 }
pierreprovent 0:77ca32e8e04e 1081
pierreprovent 0:77ca32e8e04e 1082 if (res == OS_R_EVT) {
pierreprovent 0:77ca32e8e04e 1083 ret.status = osEventSignal;
pierreprovent 0:77ca32e8e04e 1084 ret.value.signals = signals ? signals : os_tsk.run->waits;
pierreprovent 0:77ca32e8e04e 1085 } else {
pierreprovent 0:77ca32e8e04e 1086 ret.status = millisec ? osEventTimeout : osOK;
pierreprovent 0:77ca32e8e04e 1087 ret.value.signals = 0;
pierreprovent 0:77ca32e8e04e 1088 }
pierreprovent 0:77ca32e8e04e 1089
pierreprovent 0:77ca32e8e04e 1090 return osEvent_ret_value;
pierreprovent 0:77ca32e8e04e 1091 }
pierreprovent 0:77ca32e8e04e 1092
pierreprovent 0:77ca32e8e04e 1093
pierreprovent 0:77ca32e8e04e 1094 // Signal ISR Calls
pierreprovent 0:77ca32e8e04e 1095
pierreprovent 0:77ca32e8e04e 1096 /// Set the specified Signal Flags of an active thread
pierreprovent 0:77ca32e8e04e 1097 static __INLINE int32_t isrSignalSet (osThreadId thread_id, int32_t signals) {
pierreprovent 0:77ca32e8e04e 1098 P_TCB ptcb;
pierreprovent 0:77ca32e8e04e 1099 int32_t sig;
pierreprovent 0:77ca32e8e04e 1100
pierreprovent 0:77ca32e8e04e 1101 ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
pierreprovent 0:77ca32e8e04e 1102 if (ptcb == NULL) return 0x80000000;
pierreprovent 0:77ca32e8e04e 1103
pierreprovent 0:77ca32e8e04e 1104 if (signals & (0xFFFFFFFF << osFeature_Signals)) return 0x80000000;
pierreprovent 0:77ca32e8e04e 1105
pierreprovent 0:77ca32e8e04e 1106 sig = ptcb->events; // Previous signal flags
pierreprovent 0:77ca32e8e04e 1107
pierreprovent 0:77ca32e8e04e 1108 isr_evt_set(signals, ptcb->task_id); // Set event flags
pierreprovent 0:77ca32e8e04e 1109
pierreprovent 0:77ca32e8e04e 1110 return sig;
pierreprovent 0:77ca32e8e04e 1111 }
pierreprovent 0:77ca32e8e04e 1112
pierreprovent 0:77ca32e8e04e 1113
pierreprovent 0:77ca32e8e04e 1114 // Signal Public API
pierreprovent 0:77ca32e8e04e 1115
pierreprovent 0:77ca32e8e04e 1116 /// Set the specified Signal Flags of an active thread
pierreprovent 0:77ca32e8e04e 1117 int32_t osSignalSet (osThreadId thread_id, int32_t signals) {
pierreprovent 0:77ca32e8e04e 1118 if (__get_CONTROL() == MODE_IRQ) { // in ISR
pierreprovent 0:77ca32e8e04e 1119 return isrSignalSet(thread_id, signals);
pierreprovent 0:77ca32e8e04e 1120 } else { // in Thread
pierreprovent 0:77ca32e8e04e 1121 return __svcSignalSet(thread_id, signals);
pierreprovent 0:77ca32e8e04e 1122 }
pierreprovent 0:77ca32e8e04e 1123 }
pierreprovent 0:77ca32e8e04e 1124
pierreprovent 0:77ca32e8e04e 1125 /// Clear the specified Signal Flags of an active thread
pierreprovent 0:77ca32e8e04e 1126 int32_t osSignalClear (osThreadId thread_id, int32_t signals) {
pierreprovent 0:77ca32e8e04e 1127 if (__get_CONTROL() == MODE_IRQ) return osErrorISR; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 1128 return __svcSignalClear(thread_id, signals);
pierreprovent 0:77ca32e8e04e 1129 }
pierreprovent 0:77ca32e8e04e 1130
pierreprovent 0:77ca32e8e04e 1131 /// Get Signal Flags status of an active thread
pierreprovent 0:77ca32e8e04e 1132 int32_t osSignalGet (osThreadId thread_id) {
pierreprovent 0:77ca32e8e04e 1133 if (__get_CONTROL() == MODE_IRQ) return osErrorISR; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 1134 return __svcSignalGet(thread_id);
pierreprovent 0:77ca32e8e04e 1135 }
pierreprovent 0:77ca32e8e04e 1136
pierreprovent 0:77ca32e8e04e 1137 /// Wait for one or more Signal Flags to become signaled for the current RUNNING thread
pierreprovent 0:77ca32e8e04e 1138 os_InRegs osEvent osSignalWait (int32_t signals, uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 1139 osEvent ret;
pierreprovent 0:77ca32e8e04e 1140
pierreprovent 0:77ca32e8e04e 1141 if (__get_CONTROL() == MODE_IRQ) { // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 1142 ret.status = osErrorISR;
pierreprovent 0:77ca32e8e04e 1143 return ret;
pierreprovent 0:77ca32e8e04e 1144 }
pierreprovent 0:77ca32e8e04e 1145 return __svcSignalWait(signals, millisec);
pierreprovent 0:77ca32e8e04e 1146 }
pierreprovent 0:77ca32e8e04e 1147
pierreprovent 0:77ca32e8e04e 1148
pierreprovent 0:77ca32e8e04e 1149 // ==== Mutex Management ====
pierreprovent 0:77ca32e8e04e 1150
pierreprovent 0:77ca32e8e04e 1151 // Mutex Service Calls declarations
pierreprovent 0:77ca32e8e04e 1152 SVC_1_1(svcMutexCreate, osMutexId, osMutexDef_t *, RET_pointer)
pierreprovent 0:77ca32e8e04e 1153 SVC_2_1(svcMutexWait, osStatus, osMutexId, uint32_t, RET_osStatus)
pierreprovent 0:77ca32e8e04e 1154 SVC_1_1(svcMutexRelease, osStatus, osMutexId, RET_osStatus)
pierreprovent 0:77ca32e8e04e 1155 SVC_1_1(svcMutexDelete, osStatus, osMutexId, RET_osStatus)
pierreprovent 0:77ca32e8e04e 1156
pierreprovent 0:77ca32e8e04e 1157 // Mutex Service Calls
pierreprovent 0:77ca32e8e04e 1158
pierreprovent 0:77ca32e8e04e 1159 /// Create and Initialize a Mutex object
pierreprovent 0:77ca32e8e04e 1160 osMutexId svcMutexCreate (osMutexDef_t *mutex_def) {
pierreprovent 0:77ca32e8e04e 1161 OS_ID mut;
pierreprovent 0:77ca32e8e04e 1162
pierreprovent 0:77ca32e8e04e 1163 if (mutex_def == NULL) {
pierreprovent 0:77ca32e8e04e 1164 sysThreadError(osErrorParameter);
pierreprovent 0:77ca32e8e04e 1165 return NULL;
pierreprovent 0:77ca32e8e04e 1166 }
pierreprovent 0:77ca32e8e04e 1167
pierreprovent 0:77ca32e8e04e 1168 mut = mutex_def->mutex;
pierreprovent 0:77ca32e8e04e 1169 if (mut == NULL) {
pierreprovent 0:77ca32e8e04e 1170 sysThreadError(osErrorParameter);
pierreprovent 0:77ca32e8e04e 1171 return NULL;
pierreprovent 0:77ca32e8e04e 1172 }
pierreprovent 0:77ca32e8e04e 1173
pierreprovent 0:77ca32e8e04e 1174 if (((P_MUCB)mut)->cb_type != 0) {
pierreprovent 0:77ca32e8e04e 1175 sysThreadError(osErrorParameter);
pierreprovent 0:77ca32e8e04e 1176 return NULL;
pierreprovent 0:77ca32e8e04e 1177 }
pierreprovent 0:77ca32e8e04e 1178
pierreprovent 0:77ca32e8e04e 1179 rt_mut_init(mut); // Initialize Mutex
pierreprovent 0:77ca32e8e04e 1180
pierreprovent 0:77ca32e8e04e 1181 return mut;
pierreprovent 0:77ca32e8e04e 1182 }
pierreprovent 0:77ca32e8e04e 1183
pierreprovent 0:77ca32e8e04e 1184 /// Wait until a Mutex becomes available
pierreprovent 0:77ca32e8e04e 1185 osStatus svcMutexWait (osMutexId mutex_id, uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 1186 OS_ID mut;
pierreprovent 0:77ca32e8e04e 1187 OS_RESULT res;
pierreprovent 0:77ca32e8e04e 1188
pierreprovent 0:77ca32e8e04e 1189 mut = rt_id2obj(mutex_id);
pierreprovent 0:77ca32e8e04e 1190 if (mut == NULL) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1191
pierreprovent 0:77ca32e8e04e 1192 if (((P_MUCB)mut)->cb_type != MUCB) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1193
pierreprovent 0:77ca32e8e04e 1194 res = rt_mut_wait(mut, rt_ms2tick(millisec)); // Wait for Mutex
pierreprovent 0:77ca32e8e04e 1195
pierreprovent 0:77ca32e8e04e 1196 if (res == OS_R_TMO) {
pierreprovent 0:77ca32e8e04e 1197 return (millisec ? osErrorTimeoutResource : osErrorResource);
pierreprovent 0:77ca32e8e04e 1198 }
pierreprovent 0:77ca32e8e04e 1199
pierreprovent 0:77ca32e8e04e 1200 return osOK;
pierreprovent 0:77ca32e8e04e 1201 }
pierreprovent 0:77ca32e8e04e 1202
pierreprovent 0:77ca32e8e04e 1203 /// Release a Mutex that was obtained with osMutexWait
pierreprovent 0:77ca32e8e04e 1204 osStatus svcMutexRelease (osMutexId mutex_id) {
pierreprovent 0:77ca32e8e04e 1205 OS_ID mut;
pierreprovent 0:77ca32e8e04e 1206 OS_RESULT res;
pierreprovent 0:77ca32e8e04e 1207
pierreprovent 0:77ca32e8e04e 1208 mut = rt_id2obj(mutex_id);
pierreprovent 0:77ca32e8e04e 1209 if (mut == NULL) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1210
pierreprovent 0:77ca32e8e04e 1211 if (((P_MUCB)mut)->cb_type != MUCB) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1212
pierreprovent 0:77ca32e8e04e 1213 res = rt_mut_release(mut); // Release Mutex
pierreprovent 0:77ca32e8e04e 1214
pierreprovent 0:77ca32e8e04e 1215 if (res == OS_R_NOK) return osErrorResource; // Thread not owner or Zero Counter
pierreprovent 0:77ca32e8e04e 1216
pierreprovent 0:77ca32e8e04e 1217 return osOK;
pierreprovent 0:77ca32e8e04e 1218 }
pierreprovent 0:77ca32e8e04e 1219
pierreprovent 0:77ca32e8e04e 1220 /// Delete a Mutex that was created by osMutexCreate
pierreprovent 0:77ca32e8e04e 1221 osStatus svcMutexDelete (osMutexId mutex_id) {
pierreprovent 0:77ca32e8e04e 1222 OS_ID mut;
pierreprovent 0:77ca32e8e04e 1223
pierreprovent 0:77ca32e8e04e 1224 mut = rt_id2obj(mutex_id);
pierreprovent 0:77ca32e8e04e 1225 if (mut == NULL) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1226
pierreprovent 0:77ca32e8e04e 1227 if (((P_MUCB)mut)->cb_type != MUCB) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1228
pierreprovent 0:77ca32e8e04e 1229 rt_mut_delete(mut); // Release Mutex
pierreprovent 0:77ca32e8e04e 1230
pierreprovent 0:77ca32e8e04e 1231 return osOK;
pierreprovent 0:77ca32e8e04e 1232 }
pierreprovent 0:77ca32e8e04e 1233
pierreprovent 0:77ca32e8e04e 1234
pierreprovent 0:77ca32e8e04e 1235 // Mutex Public API
pierreprovent 0:77ca32e8e04e 1236
pierreprovent 0:77ca32e8e04e 1237 /// Create and Initialize a Mutex object
pierreprovent 0:77ca32e8e04e 1238 osMutexId osMutexCreate (osMutexDef_t *mutex_def) {
pierreprovent 0:77ca32e8e04e 1239 if (__get_CONTROL() == MODE_IRQ) return NULL; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 1240 if ((__get_CONTROL() == MODE_SUPERVISOR) && (os_running == 0)) {
pierreprovent 0:77ca32e8e04e 1241 // Privileged and not running
pierreprovent 0:77ca32e8e04e 1242 return svcMutexCreate(mutex_def);
pierreprovent 0:77ca32e8e04e 1243 } else {
pierreprovent 0:77ca32e8e04e 1244 return __svcMutexCreate(mutex_def);
pierreprovent 0:77ca32e8e04e 1245 }
pierreprovent 0:77ca32e8e04e 1246 }
pierreprovent 0:77ca32e8e04e 1247
pierreprovent 0:77ca32e8e04e 1248 /// Wait until a Mutex becomes available
pierreprovent 0:77ca32e8e04e 1249 osStatus osMutexWait (osMutexId mutex_id, uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 1250 if (__get_CONTROL() == MODE_IRQ) return osErrorISR; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 1251 return __svcMutexWait(mutex_id, millisec);
pierreprovent 0:77ca32e8e04e 1252 }
pierreprovent 0:77ca32e8e04e 1253
pierreprovent 0:77ca32e8e04e 1254 /// Release a Mutex that was obtained with osMutexWait
pierreprovent 0:77ca32e8e04e 1255 osStatus osMutexRelease (osMutexId mutex_id) {
pierreprovent 0:77ca32e8e04e 1256 if (__get_CONTROL() == MODE_IRQ) return osErrorISR; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 1257 return __svcMutexRelease(mutex_id);
pierreprovent 0:77ca32e8e04e 1258 }
pierreprovent 0:77ca32e8e04e 1259
pierreprovent 0:77ca32e8e04e 1260 /// Delete a Mutex that was created by osMutexCreate
pierreprovent 0:77ca32e8e04e 1261 osStatus osMutexDelete (osMutexId mutex_id) {
pierreprovent 0:77ca32e8e04e 1262 if (__get_CONTROL() == MODE_IRQ) return osErrorISR; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 1263 return __svcMutexDelete(mutex_id);
pierreprovent 0:77ca32e8e04e 1264 }
pierreprovent 0:77ca32e8e04e 1265
pierreprovent 0:77ca32e8e04e 1266
pierreprovent 0:77ca32e8e04e 1267 // ==== Semaphore Management ====
pierreprovent 0:77ca32e8e04e 1268
pierreprovent 0:77ca32e8e04e 1269 // Semaphore Service Calls declarations
pierreprovent 0:77ca32e8e04e 1270 SVC_2_1(svcSemaphoreCreate, osSemaphoreId, const osSemaphoreDef_t *, int32_t, RET_pointer)
pierreprovent 0:77ca32e8e04e 1271 SVC_2_1(svcSemaphoreWait, int32_t, osSemaphoreId, uint32_t, RET_int32_t)
pierreprovent 0:77ca32e8e04e 1272 SVC_1_1(svcSemaphoreRelease, osStatus, osSemaphoreId, RET_osStatus)
pierreprovent 0:77ca32e8e04e 1273 SVC_1_1(svcSemaphoreDelete, osStatus, osSemaphoreId, RET_osStatus)
pierreprovent 0:77ca32e8e04e 1274
pierreprovent 0:77ca32e8e04e 1275 // Semaphore Service Calls
pierreprovent 0:77ca32e8e04e 1276
pierreprovent 0:77ca32e8e04e 1277 /// Create and Initialize a Semaphore object
pierreprovent 0:77ca32e8e04e 1278 osSemaphoreId svcSemaphoreCreate (const osSemaphoreDef_t *semaphore_def, int32_t count) {
pierreprovent 0:77ca32e8e04e 1279 OS_ID sem;
pierreprovent 0:77ca32e8e04e 1280
pierreprovent 0:77ca32e8e04e 1281 if (semaphore_def == NULL) {
pierreprovent 0:77ca32e8e04e 1282 sysThreadError(osErrorParameter);
pierreprovent 0:77ca32e8e04e 1283 return NULL;
pierreprovent 0:77ca32e8e04e 1284 }
pierreprovent 0:77ca32e8e04e 1285
pierreprovent 0:77ca32e8e04e 1286 sem = semaphore_def->semaphore;
pierreprovent 0:77ca32e8e04e 1287 if (sem == NULL) {
pierreprovent 0:77ca32e8e04e 1288 sysThreadError(osErrorParameter);
pierreprovent 0:77ca32e8e04e 1289 return NULL;
pierreprovent 0:77ca32e8e04e 1290 }
pierreprovent 0:77ca32e8e04e 1291
pierreprovent 0:77ca32e8e04e 1292 if (((P_SCB)sem)->cb_type != 0) {
pierreprovent 0:77ca32e8e04e 1293 sysThreadError(osErrorParameter);
pierreprovent 0:77ca32e8e04e 1294 return NULL;
pierreprovent 0:77ca32e8e04e 1295 }
pierreprovent 0:77ca32e8e04e 1296
pierreprovent 0:77ca32e8e04e 1297 if (count > osFeature_Semaphore) {
pierreprovent 0:77ca32e8e04e 1298 sysThreadError(osErrorValue);
pierreprovent 0:77ca32e8e04e 1299 return NULL;
pierreprovent 0:77ca32e8e04e 1300 }
pierreprovent 0:77ca32e8e04e 1301
pierreprovent 0:77ca32e8e04e 1302 rt_sem_init(sem, count); // Initialize Semaphore
pierreprovent 0:77ca32e8e04e 1303
pierreprovent 0:77ca32e8e04e 1304 return sem;
pierreprovent 0:77ca32e8e04e 1305 }
pierreprovent 0:77ca32e8e04e 1306
pierreprovent 0:77ca32e8e04e 1307 /// Wait until a Semaphore becomes available
pierreprovent 0:77ca32e8e04e 1308 int32_t svcSemaphoreWait (osSemaphoreId semaphore_id, uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 1309 OS_ID sem;
pierreprovent 0:77ca32e8e04e 1310 OS_RESULT res;
pierreprovent 0:77ca32e8e04e 1311
pierreprovent 0:77ca32e8e04e 1312 sem = rt_id2obj(semaphore_id);
pierreprovent 0:77ca32e8e04e 1313 if (sem == NULL) return -1;
pierreprovent 0:77ca32e8e04e 1314
pierreprovent 0:77ca32e8e04e 1315 if (((P_SCB)sem)->cb_type != SCB) return -1;
pierreprovent 0:77ca32e8e04e 1316
pierreprovent 0:77ca32e8e04e 1317 res = rt_sem_wait(sem, rt_ms2tick(millisec)); // Wait for Semaphore
pierreprovent 0:77ca32e8e04e 1318
pierreprovent 0:77ca32e8e04e 1319 if (res == OS_R_TMO) return 0; // Timeout
pierreprovent 0:77ca32e8e04e 1320
pierreprovent 0:77ca32e8e04e 1321 return (((P_SCB)sem)->tokens + 1);
pierreprovent 0:77ca32e8e04e 1322 }
pierreprovent 0:77ca32e8e04e 1323
pierreprovent 0:77ca32e8e04e 1324 /// Release a Semaphore
pierreprovent 0:77ca32e8e04e 1325 osStatus svcSemaphoreRelease (osSemaphoreId semaphore_id) {
pierreprovent 0:77ca32e8e04e 1326 OS_ID sem;
pierreprovent 0:77ca32e8e04e 1327
pierreprovent 0:77ca32e8e04e 1328 sem = rt_id2obj(semaphore_id);
pierreprovent 0:77ca32e8e04e 1329 if (sem == NULL) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1330
pierreprovent 0:77ca32e8e04e 1331 if (((P_SCB)sem)->cb_type != SCB) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1332
pierreprovent 0:77ca32e8e04e 1333 if (((P_SCB)sem)->tokens == osFeature_Semaphore) return osErrorResource;
pierreprovent 0:77ca32e8e04e 1334
pierreprovent 0:77ca32e8e04e 1335 rt_sem_send(sem); // Release Semaphore
pierreprovent 0:77ca32e8e04e 1336
pierreprovent 0:77ca32e8e04e 1337 return osOK;
pierreprovent 0:77ca32e8e04e 1338 }
pierreprovent 0:77ca32e8e04e 1339
pierreprovent 0:77ca32e8e04e 1340 /// Delete a Semaphore that was created by osSemaphoreCreate
pierreprovent 0:77ca32e8e04e 1341 osStatus svcSemaphoreDelete (osSemaphoreId semaphore_id) {
pierreprovent 0:77ca32e8e04e 1342 OS_ID sem;
pierreprovent 0:77ca32e8e04e 1343
pierreprovent 0:77ca32e8e04e 1344 sem = rt_id2obj(semaphore_id);
pierreprovent 0:77ca32e8e04e 1345 if (sem == NULL) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1346
pierreprovent 0:77ca32e8e04e 1347 if (((P_SCB)sem)->cb_type != SCB) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1348
pierreprovent 0:77ca32e8e04e 1349 rt_sem_delete(sem); // Delete Semaphore
pierreprovent 0:77ca32e8e04e 1350
pierreprovent 0:77ca32e8e04e 1351 return osOK;
pierreprovent 0:77ca32e8e04e 1352 }
pierreprovent 0:77ca32e8e04e 1353
pierreprovent 0:77ca32e8e04e 1354
pierreprovent 0:77ca32e8e04e 1355 // Semaphore ISR Calls
pierreprovent 0:77ca32e8e04e 1356
pierreprovent 0:77ca32e8e04e 1357 /// Release a Semaphore
pierreprovent 0:77ca32e8e04e 1358 static __INLINE osStatus isrSemaphoreRelease (osSemaphoreId semaphore_id) {
pierreprovent 0:77ca32e8e04e 1359 OS_ID sem;
pierreprovent 0:77ca32e8e04e 1360
pierreprovent 0:77ca32e8e04e 1361 sem = rt_id2obj(semaphore_id);
pierreprovent 0:77ca32e8e04e 1362 if (sem == NULL) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1363
pierreprovent 0:77ca32e8e04e 1364 if (((P_SCB)sem)->cb_type != SCB) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1365
pierreprovent 0:77ca32e8e04e 1366 if (((P_SCB)sem)->tokens == osFeature_Semaphore) return osErrorResource;
pierreprovent 0:77ca32e8e04e 1367
pierreprovent 0:77ca32e8e04e 1368 isr_sem_send(sem); // Release Semaphore
pierreprovent 0:77ca32e8e04e 1369
pierreprovent 0:77ca32e8e04e 1370 return osOK;
pierreprovent 0:77ca32e8e04e 1371 }
pierreprovent 0:77ca32e8e04e 1372
pierreprovent 0:77ca32e8e04e 1373
pierreprovent 0:77ca32e8e04e 1374 // Semaphore Public API
pierreprovent 0:77ca32e8e04e 1375
pierreprovent 0:77ca32e8e04e 1376 /// Create and Initialize a Semaphore object
pierreprovent 0:77ca32e8e04e 1377 osSemaphoreId osSemaphoreCreate (osSemaphoreDef_t *semaphore_def, int32_t count) {
pierreprovent 0:77ca32e8e04e 1378 if (__get_CONTROL() == MODE_IRQ) return NULL; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 1379 if ((__get_CONTROL() == MODE_SUPERVISOR) && (os_running == 0)) {
pierreprovent 0:77ca32e8e04e 1380 // Privileged and not running
pierreprovent 0:77ca32e8e04e 1381 return svcSemaphoreCreate(semaphore_def, count);
pierreprovent 0:77ca32e8e04e 1382 } else {
pierreprovent 0:77ca32e8e04e 1383 return __svcSemaphoreCreate(semaphore_def, count);
pierreprovent 0:77ca32e8e04e 1384 }
pierreprovent 0:77ca32e8e04e 1385 }
pierreprovent 0:77ca32e8e04e 1386
pierreprovent 0:77ca32e8e04e 1387 /// Wait until a Semaphore becomes available
pierreprovent 0:77ca32e8e04e 1388 int32_t osSemaphoreWait (osSemaphoreId semaphore_id, uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 1389 if (__get_CONTROL() == MODE_IRQ) return -1; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 1390 return __svcSemaphoreWait(semaphore_id, millisec);
pierreprovent 0:77ca32e8e04e 1391 }
pierreprovent 0:77ca32e8e04e 1392
pierreprovent 0:77ca32e8e04e 1393 /// Release a Semaphore
pierreprovent 0:77ca32e8e04e 1394 osStatus osSemaphoreRelease (osSemaphoreId semaphore_id) {
pierreprovent 0:77ca32e8e04e 1395 if (__get_CONTROL() == MODE_IRQ) { // in ISR
pierreprovent 0:77ca32e8e04e 1396 return isrSemaphoreRelease(semaphore_id);
pierreprovent 0:77ca32e8e04e 1397 } else { // in Thread
pierreprovent 0:77ca32e8e04e 1398 return __svcSemaphoreRelease(semaphore_id);
pierreprovent 0:77ca32e8e04e 1399 }
pierreprovent 0:77ca32e8e04e 1400 }
pierreprovent 0:77ca32e8e04e 1401
pierreprovent 0:77ca32e8e04e 1402 /// Delete a Semaphore that was created by osSemaphoreCreate
pierreprovent 0:77ca32e8e04e 1403 osStatus osSemaphoreDelete (osSemaphoreId semaphore_id) {
pierreprovent 0:77ca32e8e04e 1404 if (__get_CONTROL() == MODE_IRQ) return osErrorISR; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 1405 return __svcSemaphoreDelete(semaphore_id);
pierreprovent 0:77ca32e8e04e 1406 }
pierreprovent 0:77ca32e8e04e 1407
pierreprovent 0:77ca32e8e04e 1408
pierreprovent 0:77ca32e8e04e 1409 // ==== Memory Management Functions ====
pierreprovent 0:77ca32e8e04e 1410
pierreprovent 0:77ca32e8e04e 1411 // Memory Management Helper Functions
pierreprovent 0:77ca32e8e04e 1412
pierreprovent 0:77ca32e8e04e 1413 // Clear Memory Box (Zero init)
pierreprovent 0:77ca32e8e04e 1414 static void rt_clr_box (void *box_mem, void *box) {
pierreprovent 0:77ca32e8e04e 1415 uint32_t *p, n;
pierreprovent 0:77ca32e8e04e 1416
pierreprovent 0:77ca32e8e04e 1417 if (box) {
pierreprovent 0:77ca32e8e04e 1418 p = box;
pierreprovent 0:77ca32e8e04e 1419 for (n = ((P_BM)box_mem)->blk_size; n; n -= 4) {
pierreprovent 0:77ca32e8e04e 1420 *p++ = 0;
pierreprovent 0:77ca32e8e04e 1421 }
pierreprovent 0:77ca32e8e04e 1422 }
pierreprovent 0:77ca32e8e04e 1423 }
pierreprovent 0:77ca32e8e04e 1424
pierreprovent 0:77ca32e8e04e 1425 // Memory Management Service Calls declarations
pierreprovent 0:77ca32e8e04e 1426 SVC_1_1(svcPoolCreate, osPoolId, const osPoolDef_t *, RET_pointer)
pierreprovent 0:77ca32e8e04e 1427 SVC_2_1(sysPoolAlloc, void *, osPoolId, uint32_t, RET_pointer)
pierreprovent 0:77ca32e8e04e 1428 SVC_2_1(sysPoolFree, osStatus, osPoolId, void *, RET_osStatus)
pierreprovent 0:77ca32e8e04e 1429
pierreprovent 0:77ca32e8e04e 1430 // Memory Management Service & ISR Calls
pierreprovent 0:77ca32e8e04e 1431
pierreprovent 0:77ca32e8e04e 1432 /// Create and Initialize memory pool
pierreprovent 0:77ca32e8e04e 1433 osPoolId svcPoolCreate (const osPoolDef_t *pool_def) {
pierreprovent 0:77ca32e8e04e 1434 uint32_t blk_sz;
pierreprovent 0:77ca32e8e04e 1435
pierreprovent 0:77ca32e8e04e 1436 if ((pool_def == NULL) ||
pierreprovent 0:77ca32e8e04e 1437 (pool_def->pool_sz == 0) ||
pierreprovent 0:77ca32e8e04e 1438 (pool_def->item_sz == 0) ||
pierreprovent 0:77ca32e8e04e 1439 (pool_def->pool == NULL)) {
pierreprovent 0:77ca32e8e04e 1440 sysThreadError(osErrorParameter);
pierreprovent 0:77ca32e8e04e 1441 return NULL;
pierreprovent 0:77ca32e8e04e 1442 }
pierreprovent 0:77ca32e8e04e 1443
pierreprovent 0:77ca32e8e04e 1444 blk_sz = (pool_def->item_sz + 3) & ~3;
pierreprovent 0:77ca32e8e04e 1445
pierreprovent 0:77ca32e8e04e 1446 _init_box(pool_def->pool, sizeof(struct OS_BM) + pool_def->pool_sz * blk_sz, blk_sz);
pierreprovent 0:77ca32e8e04e 1447
pierreprovent 0:77ca32e8e04e 1448 return pool_def->pool;
pierreprovent 0:77ca32e8e04e 1449 }
pierreprovent 0:77ca32e8e04e 1450
pierreprovent 0:77ca32e8e04e 1451 /// Allocate a memory block from a memory pool
pierreprovent 0:77ca32e8e04e 1452 void *sysPoolAlloc (osPoolId pool_id, uint32_t clr) {
pierreprovent 0:77ca32e8e04e 1453 void *ptr;
pierreprovent 0:77ca32e8e04e 1454
pierreprovent 0:77ca32e8e04e 1455 if (pool_id == NULL) return NULL;
pierreprovent 0:77ca32e8e04e 1456
pierreprovent 0:77ca32e8e04e 1457 ptr = rt_alloc_box(pool_id);
pierreprovent 0:77ca32e8e04e 1458 if (clr) {
pierreprovent 0:77ca32e8e04e 1459 rt_clr_box(pool_id, ptr);
pierreprovent 0:77ca32e8e04e 1460 }
pierreprovent 0:77ca32e8e04e 1461
pierreprovent 0:77ca32e8e04e 1462 return ptr;
pierreprovent 0:77ca32e8e04e 1463 }
pierreprovent 0:77ca32e8e04e 1464
pierreprovent 0:77ca32e8e04e 1465 /// Return an allocated memory block back to a specific memory pool
pierreprovent 0:77ca32e8e04e 1466 osStatus sysPoolFree (osPoolId pool_id, void *block) {
pierreprovent 0:77ca32e8e04e 1467 int32_t res;
pierreprovent 0:77ca32e8e04e 1468
pierreprovent 0:77ca32e8e04e 1469 if (pool_id == NULL) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1470
pierreprovent 0:77ca32e8e04e 1471 res = rt_free_box(pool_id, block);
pierreprovent 0:77ca32e8e04e 1472 if (res != 0) return osErrorValue;
pierreprovent 0:77ca32e8e04e 1473
pierreprovent 0:77ca32e8e04e 1474 return osOK;
pierreprovent 0:77ca32e8e04e 1475 }
pierreprovent 0:77ca32e8e04e 1476
pierreprovent 0:77ca32e8e04e 1477
pierreprovent 0:77ca32e8e04e 1478 // Memory Management Public API
pierreprovent 0:77ca32e8e04e 1479
pierreprovent 0:77ca32e8e04e 1480 /// Create and Initialize memory pool
pierreprovent 0:77ca32e8e04e 1481 osPoolId osPoolCreate (osPoolDef_t *pool_def) {
pierreprovent 0:77ca32e8e04e 1482 if (__get_CONTROL() == MODE_IRQ) return NULL; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 1483 if ((__get_CONTROL() == MODE_SUPERVISOR) && (os_running == 0)) {
pierreprovent 0:77ca32e8e04e 1484 // Privileged and not running
pierreprovent 0:77ca32e8e04e 1485 return svcPoolCreate(pool_def);
pierreprovent 0:77ca32e8e04e 1486 } else {
pierreprovent 0:77ca32e8e04e 1487 return __svcPoolCreate(pool_def);
pierreprovent 0:77ca32e8e04e 1488 }
pierreprovent 0:77ca32e8e04e 1489 }
pierreprovent 0:77ca32e8e04e 1490
pierreprovent 0:77ca32e8e04e 1491 /// Allocate a memory block from a memory pool
pierreprovent 0:77ca32e8e04e 1492 void *osPoolAlloc (osPoolId pool_id) {
pierreprovent 0:77ca32e8e04e 1493 if ((__get_CONTROL() == MODE_IRQ) || (__get_CONTROL() == MODE_SUPERVISOR)) { // in ISR or Privileged
pierreprovent 0:77ca32e8e04e 1494 return sysPoolAlloc(pool_id, 0);
pierreprovent 0:77ca32e8e04e 1495 } else { // in Thread
pierreprovent 0:77ca32e8e04e 1496 return __sysPoolAlloc(pool_id, 0);
pierreprovent 0:77ca32e8e04e 1497 }
pierreprovent 0:77ca32e8e04e 1498 }
pierreprovent 0:77ca32e8e04e 1499
pierreprovent 0:77ca32e8e04e 1500 /// Allocate a memory block from a memory pool and set memory block to zero
pierreprovent 0:77ca32e8e04e 1501 void *osPoolCAlloc (osPoolId pool_id) {
pierreprovent 0:77ca32e8e04e 1502 if ((__get_CONTROL() == MODE_IRQ) || (__get_CONTROL() == MODE_SUPERVISOR)) { // in ISR or Privileged
pierreprovent 0:77ca32e8e04e 1503 return sysPoolAlloc(pool_id, 1);
pierreprovent 0:77ca32e8e04e 1504 } else { // in Thread
pierreprovent 0:77ca32e8e04e 1505 return __sysPoolAlloc(pool_id, 1);
pierreprovent 0:77ca32e8e04e 1506 }
pierreprovent 0:77ca32e8e04e 1507 }
pierreprovent 0:77ca32e8e04e 1508
pierreprovent 0:77ca32e8e04e 1509 /// Return an allocated memory block back to a specific memory pool
pierreprovent 0:77ca32e8e04e 1510 osStatus osPoolFree (osPoolId pool_id, void *block) {
pierreprovent 0:77ca32e8e04e 1511 if ((__get_CONTROL() == MODE_IRQ) || (__get_CONTROL() == MODE_SUPERVISOR)) { // in ISR or Privileged
pierreprovent 0:77ca32e8e04e 1512 return sysPoolFree(pool_id, block);
pierreprovent 0:77ca32e8e04e 1513 } else { // in Thread
pierreprovent 0:77ca32e8e04e 1514 return __sysPoolFree(pool_id, block);
pierreprovent 0:77ca32e8e04e 1515 }
pierreprovent 0:77ca32e8e04e 1516 }
pierreprovent 0:77ca32e8e04e 1517
pierreprovent 0:77ca32e8e04e 1518
pierreprovent 0:77ca32e8e04e 1519 // ==== Message Queue Management Functions ====
pierreprovent 0:77ca32e8e04e 1520
pierreprovent 0:77ca32e8e04e 1521 // Message Queue Management Service Calls declarations
pierreprovent 0:77ca32e8e04e 1522 SVC_2_1(svcMessageCreate, osMessageQId, osMessageQDef_t *, osThreadId, RET_pointer)
pierreprovent 0:77ca32e8e04e 1523 SVC_3_1(svcMessagePut, osStatus, osMessageQId, uint32_t, uint32_t, RET_osStatus)
pierreprovent 0:77ca32e8e04e 1524 SVC_2_3(svcMessageGet, os_InRegs osEvent, osMessageQId, uint32_t, RET_osEvent)
pierreprovent 0:77ca32e8e04e 1525
pierreprovent 0:77ca32e8e04e 1526 // Message Queue Service Calls
pierreprovent 0:77ca32e8e04e 1527
pierreprovent 0:77ca32e8e04e 1528 /// Create and Initialize Message Queue
pierreprovent 0:77ca32e8e04e 1529 osMessageQId svcMessageCreate (osMessageQDef_t *queue_def, osThreadId thread_id) {
pierreprovent 0:77ca32e8e04e 1530
pierreprovent 0:77ca32e8e04e 1531 if ((queue_def == NULL) ||
pierreprovent 0:77ca32e8e04e 1532 (queue_def->queue_sz == 0) ||
pierreprovent 0:77ca32e8e04e 1533 (queue_def->pool == NULL)) {
pierreprovent 0:77ca32e8e04e 1534 sysThreadError(osErrorParameter);
pierreprovent 0:77ca32e8e04e 1535 return NULL;
pierreprovent 0:77ca32e8e04e 1536 }
pierreprovent 0:77ca32e8e04e 1537
pierreprovent 0:77ca32e8e04e 1538 if (((P_MCB)queue_def->pool)->cb_type != 0) {
pierreprovent 0:77ca32e8e04e 1539 sysThreadError(osErrorParameter);
pierreprovent 0:77ca32e8e04e 1540 return NULL;
pierreprovent 0:77ca32e8e04e 1541 }
pierreprovent 0:77ca32e8e04e 1542
pierreprovent 0:77ca32e8e04e 1543 rt_mbx_init(queue_def->pool, 4*(queue_def->queue_sz + 4));
pierreprovent 0:77ca32e8e04e 1544
pierreprovent 0:77ca32e8e04e 1545 return queue_def->pool;
pierreprovent 0:77ca32e8e04e 1546 }
pierreprovent 0:77ca32e8e04e 1547
pierreprovent 0:77ca32e8e04e 1548 /// Put a Message to a Queue
pierreprovent 0:77ca32e8e04e 1549 osStatus svcMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 1550 OS_RESULT res;
pierreprovent 0:77ca32e8e04e 1551
pierreprovent 0:77ca32e8e04e 1552 if (queue_id == NULL) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1553
pierreprovent 0:77ca32e8e04e 1554 if (((P_MCB)queue_id)->cb_type != MCB) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1555
pierreprovent 0:77ca32e8e04e 1556 res = rt_mbx_send(queue_id, (void *)info, rt_ms2tick(millisec));
pierreprovent 0:77ca32e8e04e 1557
pierreprovent 0:77ca32e8e04e 1558 if (res == OS_R_TMO) {
pierreprovent 0:77ca32e8e04e 1559 return (millisec ? osErrorTimeoutResource : osErrorResource);
pierreprovent 0:77ca32e8e04e 1560 }
pierreprovent 0:77ca32e8e04e 1561
pierreprovent 0:77ca32e8e04e 1562 return osOK;
pierreprovent 0:77ca32e8e04e 1563 }
pierreprovent 0:77ca32e8e04e 1564
pierreprovent 0:77ca32e8e04e 1565 /// Get a Message or Wait for a Message from a Queue
pierreprovent 0:77ca32e8e04e 1566 os_InRegs osEvent_type svcMessageGet (osMessageQId queue_id, uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 1567 OS_RESULT res;
pierreprovent 0:77ca32e8e04e 1568 osEvent ret;
pierreprovent 0:77ca32e8e04e 1569
pierreprovent 0:77ca32e8e04e 1570 if (queue_id == NULL) {
pierreprovent 0:77ca32e8e04e 1571 ret.status = osErrorParameter;
pierreprovent 0:77ca32e8e04e 1572 return osEvent_ret_status;
pierreprovent 0:77ca32e8e04e 1573 }
pierreprovent 0:77ca32e8e04e 1574
pierreprovent 0:77ca32e8e04e 1575 if (((P_MCB)queue_id)->cb_type != MCB) {
pierreprovent 0:77ca32e8e04e 1576 ret.status = osErrorParameter;
pierreprovent 0:77ca32e8e04e 1577 return osEvent_ret_status;
pierreprovent 0:77ca32e8e04e 1578 }
pierreprovent 0:77ca32e8e04e 1579
pierreprovent 0:77ca32e8e04e 1580 res = rt_mbx_wait(queue_id, &ret.value.p, rt_ms2tick(millisec));
pierreprovent 0:77ca32e8e04e 1581
pierreprovent 0:77ca32e8e04e 1582 if (res == OS_R_TMO) {
pierreprovent 0:77ca32e8e04e 1583 ret.status = millisec ? osEventTimeout : osOK;
pierreprovent 0:77ca32e8e04e 1584 return osEvent_ret_value;
pierreprovent 0:77ca32e8e04e 1585 }
pierreprovent 0:77ca32e8e04e 1586
pierreprovent 0:77ca32e8e04e 1587 ret.status = osEventMessage;
pierreprovent 0:77ca32e8e04e 1588
pierreprovent 0:77ca32e8e04e 1589 return osEvent_ret_value;
pierreprovent 0:77ca32e8e04e 1590 }
pierreprovent 0:77ca32e8e04e 1591
pierreprovent 0:77ca32e8e04e 1592
pierreprovent 0:77ca32e8e04e 1593 // Message Queue ISR Calls
pierreprovent 0:77ca32e8e04e 1594
pierreprovent 0:77ca32e8e04e 1595 /// Put a Message to a Queue
pierreprovent 0:77ca32e8e04e 1596 static __INLINE osStatus isrMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 1597
pierreprovent 0:77ca32e8e04e 1598 if ((queue_id == NULL) || (millisec != 0)) {
pierreprovent 0:77ca32e8e04e 1599 return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1600 }
pierreprovent 0:77ca32e8e04e 1601
pierreprovent 0:77ca32e8e04e 1602 if (((P_MCB)queue_id)->cb_type != MCB) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1603
pierreprovent 0:77ca32e8e04e 1604 if (rt_mbx_check(queue_id) == 0) { // Check if Queue is full
pierreprovent 0:77ca32e8e04e 1605 return osErrorResource;
pierreprovent 0:77ca32e8e04e 1606 }
pierreprovent 0:77ca32e8e04e 1607
pierreprovent 0:77ca32e8e04e 1608 isr_mbx_send(queue_id, (void *)info);
pierreprovent 0:77ca32e8e04e 1609
pierreprovent 0:77ca32e8e04e 1610 return osOK;
pierreprovent 0:77ca32e8e04e 1611 }
pierreprovent 0:77ca32e8e04e 1612
pierreprovent 0:77ca32e8e04e 1613 /// Get a Message or Wait for a Message from a Queue
pierreprovent 0:77ca32e8e04e 1614 static __INLINE os_InRegs osEvent isrMessageGet (osMessageQId queue_id, uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 1615 OS_RESULT res;
pierreprovent 0:77ca32e8e04e 1616 osEvent ret;
pierreprovent 0:77ca32e8e04e 1617
pierreprovent 0:77ca32e8e04e 1618 if ((queue_id == NULL) || (millisec != 0)) {
pierreprovent 0:77ca32e8e04e 1619 ret.status = osErrorParameter;
pierreprovent 0:77ca32e8e04e 1620 return ret;
pierreprovent 0:77ca32e8e04e 1621 }
pierreprovent 0:77ca32e8e04e 1622
pierreprovent 0:77ca32e8e04e 1623 if (((P_MCB)queue_id)->cb_type != MCB) {
pierreprovent 0:77ca32e8e04e 1624 ret.status = osErrorParameter;
pierreprovent 0:77ca32e8e04e 1625 return ret;
pierreprovent 0:77ca32e8e04e 1626 }
pierreprovent 0:77ca32e8e04e 1627
pierreprovent 0:77ca32e8e04e 1628 res = isr_mbx_receive(queue_id, &ret.value.p);
pierreprovent 0:77ca32e8e04e 1629
pierreprovent 0:77ca32e8e04e 1630 if (res != OS_R_MBX) {
pierreprovent 0:77ca32e8e04e 1631 ret.status = osOK;
pierreprovent 0:77ca32e8e04e 1632 return ret;
pierreprovent 0:77ca32e8e04e 1633 }
pierreprovent 0:77ca32e8e04e 1634
pierreprovent 0:77ca32e8e04e 1635 ret.status = osEventMessage;
pierreprovent 0:77ca32e8e04e 1636
pierreprovent 0:77ca32e8e04e 1637 return ret;
pierreprovent 0:77ca32e8e04e 1638 }
pierreprovent 0:77ca32e8e04e 1639
pierreprovent 0:77ca32e8e04e 1640
pierreprovent 0:77ca32e8e04e 1641 // Message Queue Management Public API
pierreprovent 0:77ca32e8e04e 1642
pierreprovent 0:77ca32e8e04e 1643 /// Create and Initialize Message Queue
pierreprovent 0:77ca32e8e04e 1644 osMessageQId osMessageCreate (osMessageQDef_t *queue_def, osThreadId thread_id) {
pierreprovent 0:77ca32e8e04e 1645 if (__get_CONTROL() == MODE_IRQ) return NULL; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 1646 if ((__get_CONTROL() == MODE_SUPERVISOR) && (os_running == 0)) {
pierreprovent 0:77ca32e8e04e 1647 // Privileged and not running
pierreprovent 0:77ca32e8e04e 1648 return svcMessageCreate(queue_def, thread_id);
pierreprovent 0:77ca32e8e04e 1649 } else {
pierreprovent 0:77ca32e8e04e 1650 return __svcMessageCreate(queue_def, thread_id);
pierreprovent 0:77ca32e8e04e 1651 }
pierreprovent 0:77ca32e8e04e 1652 }
pierreprovent 0:77ca32e8e04e 1653
pierreprovent 0:77ca32e8e04e 1654 /// Put a Message to a Queue
pierreprovent 0:77ca32e8e04e 1655 osStatus osMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 1656 if (__get_CONTROL() == MODE_IRQ) { // in ISR
pierreprovent 0:77ca32e8e04e 1657 return isrMessagePut(queue_id, info, millisec);
pierreprovent 0:77ca32e8e04e 1658 } else { // in Thread
pierreprovent 0:77ca32e8e04e 1659 return __svcMessagePut(queue_id, info, millisec);
pierreprovent 0:77ca32e8e04e 1660 }
pierreprovent 0:77ca32e8e04e 1661 }
pierreprovent 0:77ca32e8e04e 1662
pierreprovent 0:77ca32e8e04e 1663 /// Get a Message or Wait for a Message from a Queue
pierreprovent 0:77ca32e8e04e 1664 os_InRegs osEvent osMessageGet (osMessageQId queue_id, uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 1665 if (__get_CONTROL() == MODE_IRQ) { // in ISR
pierreprovent 0:77ca32e8e04e 1666 return isrMessageGet(queue_id, millisec);
pierreprovent 0:77ca32e8e04e 1667 } else { // in Thread
pierreprovent 0:77ca32e8e04e 1668 return __svcMessageGet(queue_id, millisec);
pierreprovent 0:77ca32e8e04e 1669 }
pierreprovent 0:77ca32e8e04e 1670 }
pierreprovent 0:77ca32e8e04e 1671
pierreprovent 0:77ca32e8e04e 1672
pierreprovent 0:77ca32e8e04e 1673 // ==== Mail Queue Management Functions ====
pierreprovent 0:77ca32e8e04e 1674
pierreprovent 0:77ca32e8e04e 1675 // Mail Queue Management Service Calls declarations
pierreprovent 0:77ca32e8e04e 1676 SVC_2_1(svcMailCreate, osMailQId, osMailQDef_t *, osThreadId, RET_pointer)
pierreprovent 0:77ca32e8e04e 1677 SVC_4_1(sysMailAlloc, void *, osMailQId, uint32_t, uint32_t, uint32_t, RET_pointer)
pierreprovent 0:77ca32e8e04e 1678 SVC_3_1(sysMailFree, osStatus, osMailQId, void *, uint32_t, RET_osStatus)
pierreprovent 0:77ca32e8e04e 1679
pierreprovent 0:77ca32e8e04e 1680 // Mail Queue Management Service & ISR Calls
pierreprovent 0:77ca32e8e04e 1681
pierreprovent 0:77ca32e8e04e 1682 /// Create and Initialize mail queue
pierreprovent 0:77ca32e8e04e 1683 osMailQId svcMailCreate (osMailQDef_t *queue_def, osThreadId thread_id) {
pierreprovent 0:77ca32e8e04e 1684 uint32_t blk_sz;
pierreprovent 0:77ca32e8e04e 1685 P_MCB pmcb;
pierreprovent 0:77ca32e8e04e 1686 void *pool;
pierreprovent 0:77ca32e8e04e 1687
pierreprovent 0:77ca32e8e04e 1688 if ((queue_def == NULL) ||
pierreprovent 0:77ca32e8e04e 1689 (queue_def->queue_sz == 0) ||
pierreprovent 0:77ca32e8e04e 1690 (queue_def->item_sz == 0) ||
pierreprovent 0:77ca32e8e04e 1691 (queue_def->pool == NULL)) {
pierreprovent 0:77ca32e8e04e 1692 sysThreadError(osErrorParameter);
pierreprovent 0:77ca32e8e04e 1693 return NULL;
pierreprovent 0:77ca32e8e04e 1694 }
pierreprovent 0:77ca32e8e04e 1695
pierreprovent 0:77ca32e8e04e 1696 pmcb = *(((void **)queue_def->pool) + 0);
pierreprovent 0:77ca32e8e04e 1697 pool = *(((void **)queue_def->pool) + 1);
pierreprovent 0:77ca32e8e04e 1698
pierreprovent 0:77ca32e8e04e 1699 if ((pool == NULL) || (pmcb == NULL) || (pmcb->cb_type != 0)) {
pierreprovent 0:77ca32e8e04e 1700 sysThreadError(osErrorParameter);
pierreprovent 0:77ca32e8e04e 1701 return NULL;
pierreprovent 0:77ca32e8e04e 1702 }
pierreprovent 0:77ca32e8e04e 1703
pierreprovent 0:77ca32e8e04e 1704 blk_sz = (queue_def->item_sz + 3) & ~3;
pierreprovent 0:77ca32e8e04e 1705
pierreprovent 0:77ca32e8e04e 1706 _init_box(pool, sizeof(struct OS_BM) + queue_def->queue_sz * blk_sz, blk_sz);
pierreprovent 0:77ca32e8e04e 1707
pierreprovent 0:77ca32e8e04e 1708 rt_mbx_init(pmcb, 4*(queue_def->queue_sz + 4));
pierreprovent 0:77ca32e8e04e 1709
pierreprovent 0:77ca32e8e04e 1710
pierreprovent 0:77ca32e8e04e 1711 return queue_def->pool;
pierreprovent 0:77ca32e8e04e 1712 }
pierreprovent 0:77ca32e8e04e 1713
pierreprovent 0:77ca32e8e04e 1714 /// Allocate a memory block from a mail
pierreprovent 0:77ca32e8e04e 1715 void *sysMailAlloc (osMailQId queue_id, uint32_t millisec, uint32_t isr, uint32_t clr) {
pierreprovent 0:77ca32e8e04e 1716 P_MCB pmcb;
pierreprovent 0:77ca32e8e04e 1717 void *pool;
pierreprovent 0:77ca32e8e04e 1718 void *mem;
pierreprovent 0:77ca32e8e04e 1719
pierreprovent 0:77ca32e8e04e 1720 if (queue_id == NULL) return NULL;
pierreprovent 0:77ca32e8e04e 1721
pierreprovent 0:77ca32e8e04e 1722 pmcb = *(((void **)queue_id) + 0);
pierreprovent 0:77ca32e8e04e 1723 pool = *(((void **)queue_id) + 1);
pierreprovent 0:77ca32e8e04e 1724
pierreprovent 0:77ca32e8e04e 1725 if ((pool == NULL) || (pmcb == NULL)) return NULL;
pierreprovent 0:77ca32e8e04e 1726
pierreprovent 0:77ca32e8e04e 1727 if (isr && (millisec != 0)) return NULL;
pierreprovent 0:77ca32e8e04e 1728
pierreprovent 0:77ca32e8e04e 1729 mem = rt_alloc_box(pool);
pierreprovent 0:77ca32e8e04e 1730 if (clr) {
pierreprovent 0:77ca32e8e04e 1731 rt_clr_box(pool, mem);
pierreprovent 0:77ca32e8e04e 1732 }
pierreprovent 0:77ca32e8e04e 1733
pierreprovent 0:77ca32e8e04e 1734 if ((mem == NULL) && (millisec != 0)) {
pierreprovent 0:77ca32e8e04e 1735 // Put Task to sleep when Memory not available
pierreprovent 0:77ca32e8e04e 1736 if (pmcb->p_lnk != NULL) {
pierreprovent 0:77ca32e8e04e 1737 rt_put_prio((P_XCB)pmcb, os_tsk.run);
pierreprovent 0:77ca32e8e04e 1738 } else {
pierreprovent 0:77ca32e8e04e 1739 pmcb->p_lnk = os_tsk.run;
pierreprovent 0:77ca32e8e04e 1740 os_tsk.run->p_lnk = NULL;
pierreprovent 0:77ca32e8e04e 1741 os_tsk.run->p_rlnk = (P_TCB)pmcb;
pierreprovent 0:77ca32e8e04e 1742 // Task is waiting to allocate a message
pierreprovent 0:77ca32e8e04e 1743 pmcb->state = 3;
pierreprovent 0:77ca32e8e04e 1744 }
pierreprovent 0:77ca32e8e04e 1745 rt_block(rt_ms2tick(millisec), WAIT_MBX);
pierreprovent 0:77ca32e8e04e 1746 }
pierreprovent 0:77ca32e8e04e 1747
pierreprovent 0:77ca32e8e04e 1748 return mem;
pierreprovent 0:77ca32e8e04e 1749 }
pierreprovent 0:77ca32e8e04e 1750
pierreprovent 0:77ca32e8e04e 1751 /// Free a memory block from a mail
pierreprovent 0:77ca32e8e04e 1752 osStatus sysMailFree (osMailQId queue_id, void *mail, uint32_t isr) {
pierreprovent 0:77ca32e8e04e 1753 P_MCB pmcb;
pierreprovent 0:77ca32e8e04e 1754 P_TCB ptcb;
pierreprovent 0:77ca32e8e04e 1755 void *pool;
pierreprovent 0:77ca32e8e04e 1756 void *mem;
pierreprovent 0:77ca32e8e04e 1757 int32_t res;
pierreprovent 0:77ca32e8e04e 1758
pierreprovent 0:77ca32e8e04e 1759 if (queue_id == NULL) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1760
pierreprovent 0:77ca32e8e04e 1761 pmcb = *(((void **)queue_id) + 0);
pierreprovent 0:77ca32e8e04e 1762 pool = *(((void **)queue_id) + 1);
pierreprovent 0:77ca32e8e04e 1763
pierreprovent 0:77ca32e8e04e 1764 if ((pmcb == NULL) || (pool == NULL)) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1765
pierreprovent 0:77ca32e8e04e 1766 res = rt_free_box(pool, mail);
pierreprovent 0:77ca32e8e04e 1767
pierreprovent 0:77ca32e8e04e 1768 if (res != 0) return osErrorValue;
pierreprovent 0:77ca32e8e04e 1769
pierreprovent 0:77ca32e8e04e 1770 if (pmcb->state == 3) {
pierreprovent 0:77ca32e8e04e 1771 // Task is waiting to allocate a message
pierreprovent 0:77ca32e8e04e 1772 if (isr) {
pierreprovent 0:77ca32e8e04e 1773 rt_psq_enq (pmcb, (U32)pool);
pierreprovent 0:77ca32e8e04e 1774 rt_psh_req ();
pierreprovent 0:77ca32e8e04e 1775 } else {
pierreprovent 0:77ca32e8e04e 1776 mem = rt_alloc_box(pool);
pierreprovent 0:77ca32e8e04e 1777 if (mem != NULL) {
pierreprovent 0:77ca32e8e04e 1778 ptcb = rt_get_first((P_XCB)pmcb);
pierreprovent 0:77ca32e8e04e 1779 if (pmcb->p_lnk == NULL) {
pierreprovent 0:77ca32e8e04e 1780 pmcb->state = 0;
pierreprovent 0:77ca32e8e04e 1781 }
pierreprovent 0:77ca32e8e04e 1782 rt_ret_val(ptcb, (U32)mem);
pierreprovent 0:77ca32e8e04e 1783 rt_rmv_dly(ptcb);
pierreprovent 0:77ca32e8e04e 1784 rt_dispatch(ptcb);
pierreprovent 0:77ca32e8e04e 1785 }
pierreprovent 0:77ca32e8e04e 1786 }
pierreprovent 0:77ca32e8e04e 1787 }
pierreprovent 0:77ca32e8e04e 1788
pierreprovent 0:77ca32e8e04e 1789 return osOK;
pierreprovent 0:77ca32e8e04e 1790 }
pierreprovent 0:77ca32e8e04e 1791
pierreprovent 0:77ca32e8e04e 1792
pierreprovent 0:77ca32e8e04e 1793 // Mail Queue Management Public API
pierreprovent 0:77ca32e8e04e 1794
pierreprovent 0:77ca32e8e04e 1795 /// Create and Initialize mail queue
pierreprovent 0:77ca32e8e04e 1796 osMailQId osMailCreate (osMailQDef_t *queue_def, osThreadId thread_id) {
pierreprovent 0:77ca32e8e04e 1797 if (__get_CONTROL() == MODE_IRQ) return NULL; // Not allowed in ISR
pierreprovent 0:77ca32e8e04e 1798 if ((__get_CONTROL() == MODE_SUPERVISOR) && (os_running == 0)) {
pierreprovent 0:77ca32e8e04e 1799 // Privileged and not running
pierreprovent 0:77ca32e8e04e 1800 return svcMailCreate(queue_def, thread_id);
pierreprovent 0:77ca32e8e04e 1801 } else {
pierreprovent 0:77ca32e8e04e 1802 return __svcMailCreate(queue_def, thread_id);
pierreprovent 0:77ca32e8e04e 1803 }
pierreprovent 0:77ca32e8e04e 1804 }
pierreprovent 0:77ca32e8e04e 1805
pierreprovent 0:77ca32e8e04e 1806 /// Allocate a memory block from a mail
pierreprovent 0:77ca32e8e04e 1807 void *osMailAlloc (osMailQId queue_id, uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 1808 if (__get_CONTROL() == MODE_IRQ) { // in ISR
pierreprovent 0:77ca32e8e04e 1809 return sysMailAlloc(queue_id, millisec, 1, 0);
pierreprovent 0:77ca32e8e04e 1810 } else { // in Thread
pierreprovent 0:77ca32e8e04e 1811 return __sysMailAlloc(queue_id, millisec, 0, 0);
pierreprovent 0:77ca32e8e04e 1812 }
pierreprovent 0:77ca32e8e04e 1813 }
pierreprovent 0:77ca32e8e04e 1814
pierreprovent 0:77ca32e8e04e 1815 /// Allocate a memory block from a mail and set memory block to zero
pierreprovent 0:77ca32e8e04e 1816 void *osMailCAlloc (osMailQId queue_id, uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 1817 if (__get_CONTROL() == MODE_IRQ) { // in ISR
pierreprovent 0:77ca32e8e04e 1818 return sysMailAlloc(queue_id, millisec, 1, 1);
pierreprovent 0:77ca32e8e04e 1819 } else { // in Thread
pierreprovent 0:77ca32e8e04e 1820 return __sysMailAlloc(queue_id, millisec, 0, 1);
pierreprovent 0:77ca32e8e04e 1821 }
pierreprovent 0:77ca32e8e04e 1822 }
pierreprovent 0:77ca32e8e04e 1823
pierreprovent 0:77ca32e8e04e 1824 /// Free a memory block from a mail
pierreprovent 0:77ca32e8e04e 1825 osStatus osMailFree (osMailQId queue_id, void *mail) {
pierreprovent 0:77ca32e8e04e 1826 if (__get_CONTROL() == MODE_IRQ) { // in ISR
pierreprovent 0:77ca32e8e04e 1827 return sysMailFree(queue_id, mail, 1);
pierreprovent 0:77ca32e8e04e 1828 } else { // in Thread
pierreprovent 0:77ca32e8e04e 1829 return __sysMailFree(queue_id, mail, 0);
pierreprovent 0:77ca32e8e04e 1830 }
pierreprovent 0:77ca32e8e04e 1831 }
pierreprovent 0:77ca32e8e04e 1832
pierreprovent 0:77ca32e8e04e 1833 /// Put a mail to a queue
pierreprovent 0:77ca32e8e04e 1834 osStatus osMailPut (osMailQId queue_id, void *mail) {
pierreprovent 0:77ca32e8e04e 1835 if (queue_id == NULL) return osErrorParameter;
pierreprovent 0:77ca32e8e04e 1836 if (mail == NULL) return osErrorValue;
pierreprovent 0:77ca32e8e04e 1837 return osMessagePut(*((void **)queue_id), (uint32_t)mail, 0);
pierreprovent 0:77ca32e8e04e 1838 }
pierreprovent 0:77ca32e8e04e 1839
pierreprovent 0:77ca32e8e04e 1840 /// Get a mail from a queue
pierreprovent 0:77ca32e8e04e 1841 os_InRegs osEvent osMailGet (osMailQId queue_id, uint32_t millisec) {
pierreprovent 0:77ca32e8e04e 1842 osEvent ret;
pierreprovent 0:77ca32e8e04e 1843
pierreprovent 0:77ca32e8e04e 1844 if (queue_id == NULL) {
pierreprovent 0:77ca32e8e04e 1845 ret.status = osErrorParameter;
pierreprovent 0:77ca32e8e04e 1846 return ret;
pierreprovent 0:77ca32e8e04e 1847 }
pierreprovent 0:77ca32e8e04e 1848
pierreprovent 0:77ca32e8e04e 1849 ret = osMessageGet(*((void **)queue_id), millisec);
pierreprovent 0:77ca32e8e04e 1850 if (ret.status == osEventMessage) ret.status = osEventMail;
pierreprovent 0:77ca32e8e04e 1851
pierreprovent 0:77ca32e8e04e 1852 return ret;
pierreprovent 0:77ca32e8e04e 1853 }