Rtos code cntains bug possible incompatability with I2C
Fork of mbed-rtos by
rtx/TARGET_ARM7/rt_HAL_CM.h@118:4c105b8d7cae, 2016-05-23 (annotated)
- Committer:
- mbed_official
- Date:
- Mon May 23 11:00:15 2016 +0100
- Revision:
- 118:4c105b8d7cae
- Parent:
- 80:2dab120a94c2
Synchronized with git revision 821c492eb84a24748de5c05c17f7bd9380ca28ff
Full URL: https://github.com/mbedmicro/mbed/commit/821c492eb84a24748de5c05c17f7bd9380ca28ff/
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 80:2dab120a94c2 | 1 | /*---------------------------------------------------------------------------- |
mbed_official | 80:2dab120a94c2 | 2 | * RL-ARM - RTX |
mbed_official | 80:2dab120a94c2 | 3 | *---------------------------------------------------------------------------- |
mbed_official | 80:2dab120a94c2 | 4 | * Name: RT_HAL_CM.H |
mbed_official | 80:2dab120a94c2 | 5 | * Purpose: Hardware Abstraction Layer for Cortex-M definitions |
mbed_official | 80:2dab120a94c2 | 6 | * Rev.: V4.60 |
mbed_official | 80:2dab120a94c2 | 7 | *---------------------------------------------------------------------------- |
mbed_official | 80:2dab120a94c2 | 8 | * |
mbed_official | 80:2dab120a94c2 | 9 | * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH |
mbed_official | 80:2dab120a94c2 | 10 | * All rights reserved. |
mbed_official | 80:2dab120a94c2 | 11 | * Redistribution and use in source and binary forms, with or without |
mbed_official | 80:2dab120a94c2 | 12 | * modification, are permitted provided that the following conditions are met: |
mbed_official | 80:2dab120a94c2 | 13 | * - Redistributions of source code must retain the above copyright |
mbed_official | 80:2dab120a94c2 | 14 | * notice, this list of conditions and the following disclaimer. |
mbed_official | 80:2dab120a94c2 | 15 | * - Redistributions in binary form must reproduce the above copyright |
mbed_official | 80:2dab120a94c2 | 16 | * notice, this list of conditions and the following disclaimer in the |
mbed_official | 80:2dab120a94c2 | 17 | * documentation and/or other materials provided with the distribution. |
mbed_official | 80:2dab120a94c2 | 18 | * - Neither the name of ARM nor the names of its contributors may be used |
mbed_official | 80:2dab120a94c2 | 19 | * to endorse or promote products derived from this software without |
mbed_official | 80:2dab120a94c2 | 20 | * specific prior written permission. |
mbed_official | 80:2dab120a94c2 | 21 | * |
mbed_official | 80:2dab120a94c2 | 22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 80:2dab120a94c2 | 23 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 80:2dab120a94c2 | 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
mbed_official | 80:2dab120a94c2 | 25 | * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE |
mbed_official | 80:2dab120a94c2 | 26 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
mbed_official | 80:2dab120a94c2 | 27 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
mbed_official | 80:2dab120a94c2 | 28 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
mbed_official | 80:2dab120a94c2 | 29 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
mbed_official | 80:2dab120a94c2 | 30 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
mbed_official | 80:2dab120a94c2 | 31 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
mbed_official | 80:2dab120a94c2 | 32 | * POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 80:2dab120a94c2 | 33 | *---------------------------------------------------------------------------*/ |
mbed_official | 80:2dab120a94c2 | 34 | |
mbed_official | 80:2dab120a94c2 | 35 | #include "cmsis.h" |
mbed_official | 80:2dab120a94c2 | 36 | /* Definitions */ |
mbed_official | 80:2dab120a94c2 | 37 | #define INITIAL_xPSR 0x10000000 |
mbed_official | 80:2dab120a94c2 | 38 | #define DEMCR_TRCENA 0x01000000 |
mbed_official | 80:2dab120a94c2 | 39 | #define ITM_ITMENA 0x00000001 |
mbed_official | 80:2dab120a94c2 | 40 | #define MAGIC_WORD 0xE25A2EA5 |
mbed_official | 80:2dab120a94c2 | 41 | |
mbed_official | 80:2dab120a94c2 | 42 | #define SYS_TICK_IRQn TIMER0_IRQn |
mbed_official | 80:2dab120a94c2 | 43 | |
mbed_official | 80:2dab120a94c2 | 44 | extern void rt_set_PSP (U32 stack); |
mbed_official | 80:2dab120a94c2 | 45 | extern U32 rt_get_PSP (void); |
mbed_official | 80:2dab120a94c2 | 46 | extern void os_set_env (void); |
mbed_official | 80:2dab120a94c2 | 47 | extern void SysTick_Handler (void); |
mbed_official | 80:2dab120a94c2 | 48 | extern void *_alloc_box (void *box_mem); |
mbed_official | 80:2dab120a94c2 | 49 | extern int _free_box (void *box_mem, void *box); |
mbed_official | 80:2dab120a94c2 | 50 | |
mbed_official | 80:2dab120a94c2 | 51 | extern void rt_init_stack (P_TCB p_TCB, FUNCP task_body); |
mbed_official | 80:2dab120a94c2 | 52 | extern void rt_ret_val (P_TCB p_TCB, U32 v0); |
mbed_official | 80:2dab120a94c2 | 53 | extern void rt_ret_val2 (P_TCB p_TCB, U32 v0, U32 v1); |
mbed_official | 80:2dab120a94c2 | 54 | |
mbed_official | 80:2dab120a94c2 | 55 | extern void dbg_init (void); |
mbed_official | 80:2dab120a94c2 | 56 | extern void dbg_task_notify (P_TCB p_tcb, BOOL create); |
mbed_official | 80:2dab120a94c2 | 57 | extern void dbg_task_switch (U32 task_id); |
mbed_official | 80:2dab120a94c2 | 58 | |
mbed_official | 80:2dab120a94c2 | 59 | |
mbed_official | 80:2dab120a94c2 | 60 | #if defined (__CC_ARM) /* ARM Compiler */ |
mbed_official | 80:2dab120a94c2 | 61 | |
mbed_official | 80:2dab120a94c2 | 62 | #if ((__TARGET_ARCH_7_M || __TARGET_ARCH_7E_M) && !NO_EXCLUSIVE_ACCESS) |
mbed_official | 80:2dab120a94c2 | 63 | #define __USE_EXCLUSIVE_ACCESS |
mbed_official | 80:2dab120a94c2 | 64 | #else |
mbed_official | 80:2dab120a94c2 | 65 | #undef __USE_EXCLUSIVE_ACCESS |
mbed_official | 80:2dab120a94c2 | 66 | #endif |
mbed_official | 80:2dab120a94c2 | 67 | |
mbed_official | 80:2dab120a94c2 | 68 | #elif defined (__GNUC__) /* GNU Compiler */ |
mbed_official | 80:2dab120a94c2 | 69 | |
mbed_official | 80:2dab120a94c2 | 70 | #undef __USE_EXCLUSIVE_ACCESS |
mbed_official | 80:2dab120a94c2 | 71 | |
mbed_official | 80:2dab120a94c2 | 72 | #if defined (__CORTEX_M0) || defined (__CORTEX_M0PLUS) |
mbed_official | 80:2dab120a94c2 | 73 | #define __TARGET_ARCH_6S_M 1 |
mbed_official | 80:2dab120a94c2 | 74 | #else |
mbed_official | 80:2dab120a94c2 | 75 | #define __TARGET_ARCH_6S_M 0 |
mbed_official | 80:2dab120a94c2 | 76 | #endif |
mbed_official | 80:2dab120a94c2 | 77 | |
mbed_official | 80:2dab120a94c2 | 78 | #if defined (__VFP_FP__) && !defined(__SOFTFP__) |
mbed_official | 80:2dab120a94c2 | 79 | #define __TARGET_FPU_VFP 1 |
mbed_official | 80:2dab120a94c2 | 80 | #else |
mbed_official | 80:2dab120a94c2 | 81 | #define __TARGET_FPU_VFP 0 |
mbed_official | 80:2dab120a94c2 | 82 | #endif |
mbed_official | 80:2dab120a94c2 | 83 | |
mbed_official | 80:2dab120a94c2 | 84 | #define __inline inline |
mbed_official | 80:2dab120a94c2 | 85 | #define __weak __attribute__((weak)) |
mbed_official | 80:2dab120a94c2 | 86 | |
mbed_official | 80:2dab120a94c2 | 87 | |
mbed_official | 80:2dab120a94c2 | 88 | #elif defined (__ICCARM__) /* IAR Compiler */ |
mbed_official | 80:2dab120a94c2 | 89 | |
mbed_official | 80:2dab120a94c2 | 90 | #undef __USE_EXCLUSIVE_ACCESS |
mbed_official | 80:2dab120a94c2 | 91 | |
mbed_official | 80:2dab120a94c2 | 92 | #if (__CORE__ == __ARM6M__) |
mbed_official | 80:2dab120a94c2 | 93 | #define __TARGET_ARCH_6S_M 1 |
mbed_official | 80:2dab120a94c2 | 94 | #else |
mbed_official | 80:2dab120a94c2 | 95 | #define __TARGET_ARCH_6S_M 0 |
mbed_official | 80:2dab120a94c2 | 96 | #endif |
mbed_official | 80:2dab120a94c2 | 97 | |
mbed_official | 80:2dab120a94c2 | 98 | #if defined __ARMVFP__ |
mbed_official | 80:2dab120a94c2 | 99 | #define __TARGET_FPU_VFP 1 |
mbed_official | 80:2dab120a94c2 | 100 | #else |
mbed_official | 80:2dab120a94c2 | 101 | #define __TARGET_FPU_VFP 0 |
mbed_official | 80:2dab120a94c2 | 102 | #endif |
mbed_official | 80:2dab120a94c2 | 103 | |
mbed_official | 80:2dab120a94c2 | 104 | #define __inline inline |
mbed_official | 80:2dab120a94c2 | 105 | |
mbed_official | 80:2dab120a94c2 | 106 | #endif |
mbed_official | 80:2dab120a94c2 | 107 | |
mbed_official | 80:2dab120a94c2 | 108 | |
mbed_official | 80:2dab120a94c2 | 109 | /* NVIC registers */ |
mbed_official | 80:2dab120a94c2 | 110 | |
mbed_official | 80:2dab120a94c2 | 111 | #define OS_PEND_IRQ() NVIC_PendIRQ(SYS_TICK_IRQn) |
mbed_official | 80:2dab120a94c2 | 112 | #define OS_PENDING NVIC_PendingIRQ(SYS_TICK_IRQn) |
mbed_official | 80:2dab120a94c2 | 113 | #define OS_UNPEND(fl) NVIC_UnpendIRQ(SYS_TICK_IRQn) |
mbed_official | 80:2dab120a94c2 | 114 | #define OS_PEND(fl,p) NVIC_PendIRQ(SYS_TICK_IRQn) |
mbed_official | 80:2dab120a94c2 | 115 | #define OS_LOCK() NVIC_DisableIRQ(SYS_TICK_IRQn) |
mbed_official | 80:2dab120a94c2 | 116 | #define OS_UNLOCK() NVIC_EnableIRQ(SYS_TICK_IRQn) |
mbed_official | 80:2dab120a94c2 | 117 | |
mbed_official | 80:2dab120a94c2 | 118 | #define OS_X_PENDING NVIC_PendingIRQ(SYS_TICK_IRQn) |
mbed_official | 80:2dab120a94c2 | 119 | #define OS_X_UNPEND(fl) NVIC_UnpendIRQ(SYS_TICK_IRQn) |
mbed_official | 80:2dab120a94c2 | 120 | #define OS_X_PEND(fl,p) NVIC_PendIRQ(SYS_TICK_IRQn) |
mbed_official | 80:2dab120a94c2 | 121 | |
mbed_official | 80:2dab120a94c2 | 122 | #define OS_X_INIT(n) NVIC_EnableIRQ(n) |
mbed_official | 80:2dab120a94c2 | 123 | #define OS_X_LOCK(n) NVIC_DisableIRQ(n) |
mbed_official | 80:2dab120a94c2 | 124 | #define OS_X_UNLOCK(n) NVIC_EnableIRQ(n) |
mbed_official | 80:2dab120a94c2 | 125 | |
mbed_official | 80:2dab120a94c2 | 126 | /* Variables */ |
mbed_official | 80:2dab120a94c2 | 127 | extern BIT dbg_msg; |
mbed_official | 80:2dab120a94c2 | 128 | |
mbed_official | 80:2dab120a94c2 | 129 | /* Functions */ |
mbed_official | 80:2dab120a94c2 | 130 | #ifdef __USE_EXCLUSIVE_ACCESS |
mbed_official | 80:2dab120a94c2 | 131 | #define rt_inc(p) while(__strex((__ldrex(p)+1),p)) |
mbed_official | 80:2dab120a94c2 | 132 | #define rt_dec(p) while(__strex((__ldrex(p)-1),p)) |
mbed_official | 80:2dab120a94c2 | 133 | #else |
mbed_official | 80:2dab120a94c2 | 134 | #define rt_inc(p) __disable_irq();(*p)++;__enable_irq(); |
mbed_official | 80:2dab120a94c2 | 135 | #define rt_dec(p) __disable_irq();(*p)--;__enable_irq(); |
mbed_official | 80:2dab120a94c2 | 136 | #endif |
mbed_official | 80:2dab120a94c2 | 137 | |
mbed_official | 80:2dab120a94c2 | 138 | __inline static U32 rt_inc_qi (U32 size, U8 *count, U8 *first) { |
mbed_official | 80:2dab120a94c2 | 139 | U32 cnt,c2; |
mbed_official | 80:2dab120a94c2 | 140 | #ifdef __USE_EXCLUSIVE_ACCESS |
mbed_official | 80:2dab120a94c2 | 141 | do { |
mbed_official | 80:2dab120a94c2 | 142 | if ((cnt = __ldrex(count)) == size) { |
mbed_official | 80:2dab120a94c2 | 143 | __clrex(); |
mbed_official | 80:2dab120a94c2 | 144 | return (cnt); } |
mbed_official | 80:2dab120a94c2 | 145 | } while (__strex(cnt+1, count)); |
mbed_official | 80:2dab120a94c2 | 146 | do { |
mbed_official | 80:2dab120a94c2 | 147 | c2 = (cnt = __ldrex(first)) + 1; |
mbed_official | 80:2dab120a94c2 | 148 | if (c2 == size) c2 = 0; |
mbed_official | 80:2dab120a94c2 | 149 | } while (__strex(c2, first)); |
mbed_official | 80:2dab120a94c2 | 150 | #else |
mbed_official | 80:2dab120a94c2 | 151 | __disable_irq(); |
mbed_official | 80:2dab120a94c2 | 152 | if ((cnt = *count) < size) { |
mbed_official | 80:2dab120a94c2 | 153 | *count = cnt+1; |
mbed_official | 80:2dab120a94c2 | 154 | c2 = (cnt = *first) + 1; |
mbed_official | 80:2dab120a94c2 | 155 | if (c2 == size) c2 = 0; |
mbed_official | 80:2dab120a94c2 | 156 | *first = c2; |
mbed_official | 80:2dab120a94c2 | 157 | } |
mbed_official | 80:2dab120a94c2 | 158 | __enable_irq (); |
mbed_official | 80:2dab120a94c2 | 159 | #endif |
mbed_official | 80:2dab120a94c2 | 160 | return (cnt); |
mbed_official | 80:2dab120a94c2 | 161 | } |
mbed_official | 80:2dab120a94c2 | 162 | |
mbed_official | 80:2dab120a94c2 | 163 | __inline static void rt_systick_init (void) { |
mbed_official | 80:2dab120a94c2 | 164 | #if SYS_TICK_IRQn == TIMER0_IRQn |
mbed_official | 80:2dab120a94c2 | 165 | #define SYS_TICK_TIMER LPC_TIM0 |
mbed_official | 80:2dab120a94c2 | 166 | LPC_SC->PCONP |= (1 << PCTIM0); |
mbed_official | 80:2dab120a94c2 | 167 | LPC_SC->PCLKSEL0 = (LPC_SC->PCLKSEL0 & (~(1<<3))) | (1<<2); //PCLK == CPUCLK |
mbed_official | 80:2dab120a94c2 | 168 | #elif SYS_TICK_IRQn == TIMER1_IRQn |
mbed_official | 80:2dab120a94c2 | 169 | #define SYS_TICK_TIMER LPC_TIM1 |
mbed_official | 80:2dab120a94c2 | 170 | LPC_SC->PCONP |= (1 << PCTIM1); |
mbed_official | 80:2dab120a94c2 | 171 | LPC_SC->PCLKSEL0 = (LPC_SC->PCLKSEL0 & (~(1<<5))) | (1<<4); //PCLK == CPUCLK |
mbed_official | 80:2dab120a94c2 | 172 | #elif SYS_TICK_IRQn == TIMER2_IRQn |
mbed_official | 80:2dab120a94c2 | 173 | #define SYS_TICK_TIMER LPC_TIM2 |
mbed_official | 80:2dab120a94c2 | 174 | LPC_SC->PCONP |= (1 << PCTIM2); |
mbed_official | 80:2dab120a94c2 | 175 | LPC_SC->PCLKSEL1 = (LPC_SC->PCLKSEL1 & (~(1<<13))) | (1<<12); //PCLK == CPUCLK |
mbed_official | 80:2dab120a94c2 | 176 | #else |
mbed_official | 80:2dab120a94c2 | 177 | #define SYS_TICK_TIMER LPC_TIM3 |
mbed_official | 80:2dab120a94c2 | 178 | LPC_SC->PCONP |= (1 << PCTIM3); |
mbed_official | 80:2dab120a94c2 | 179 | LPC_SC->PCLKSEL1 = (LPC_SC->PCLKSEL1 & (~(1<<15))) | (1<<14); //PCLK == CPUCLK |
mbed_official | 80:2dab120a94c2 | 180 | #endif |
mbed_official | 80:2dab120a94c2 | 181 | |
mbed_official | 80:2dab120a94c2 | 182 | // setup Timer to count forever |
mbed_official | 80:2dab120a94c2 | 183 | //interrupt_reg |
mbed_official | 80:2dab120a94c2 | 184 | SYS_TICK_TIMER->TCR = 2; // reset & disable timer 0 |
mbed_official | 80:2dab120a94c2 | 185 | SYS_TICK_TIMER->TC = os_trv; |
mbed_official | 80:2dab120a94c2 | 186 | SYS_TICK_TIMER->PR = 0; // set the prescale divider |
mbed_official | 80:2dab120a94c2 | 187 | //Reset of TC and Interrupt when MR3 MR2 matches TC |
mbed_official | 80:2dab120a94c2 | 188 | SYS_TICK_TIMER->MCR = (1 << 9) |(1 << 10); //TMCR_MR3_R_Msk | TMCR_MR3_I_Msk |
mbed_official | 80:2dab120a94c2 | 189 | SYS_TICK_TIMER->MR3 = os_trv; // match registers |
mbed_official | 80:2dab120a94c2 | 190 | SYS_TICK_TIMER->CCR = 0; // disable compare registers |
mbed_official | 80:2dab120a94c2 | 191 | SYS_TICK_TIMER->EMR = 0; // disable external match register |
mbed_official | 80:2dab120a94c2 | 192 | // initialize the interrupt vector |
mbed_official | 80:2dab120a94c2 | 193 | NVIC_SetVector(SYS_TICK_IRQn, (uint32_t)&SysTick_Handler); |
mbed_official | 80:2dab120a94c2 | 194 | SYS_TICK_TIMER->TCR = 1; // enable timer 0 |
mbed_official | 80:2dab120a94c2 | 195 | } |
mbed_official | 80:2dab120a94c2 | 196 | |
mbed_official | 80:2dab120a94c2 | 197 | __inline static void rt_svc_init (void) { |
mbed_official | 80:2dab120a94c2 | 198 | // TODO: add svcInit |
mbed_official | 80:2dab120a94c2 | 199 | |
mbed_official | 80:2dab120a94c2 | 200 | } |
mbed_official | 80:2dab120a94c2 | 201 | |
mbed_official | 80:2dab120a94c2 | 202 | #ifdef DBG_MSG |
mbed_official | 80:2dab120a94c2 | 203 | #define DBG_INIT() dbg_init() |
mbed_official | 80:2dab120a94c2 | 204 | #define DBG_TASK_NOTIFY(p_tcb,create) if (dbg_msg) dbg_task_notify(p_tcb,create) |
mbed_official | 80:2dab120a94c2 | 205 | #define DBG_TASK_SWITCH(task_id) if (dbg_msg && (os_tsk.new_tsk != os_tsk.run)) \ |
mbed_official | 80:2dab120a94c2 | 206 | dbg_task_switch(task_id) |
mbed_official | 80:2dab120a94c2 | 207 | #else |
mbed_official | 80:2dab120a94c2 | 208 | #define DBG_INIT() |
mbed_official | 80:2dab120a94c2 | 209 | #define DBG_TASK_NOTIFY(p_tcb,create) |
mbed_official | 80:2dab120a94c2 | 210 | #define DBG_TASK_SWITCH(task_id) |
mbed_official | 80:2dab120a94c2 | 211 | #endif |
mbed_official | 80:2dab120a94c2 | 212 | |
mbed_official | 80:2dab120a94c2 | 213 | /*---------------------------------------------------------------------------- |
mbed_official | 80:2dab120a94c2 | 214 | * end of file |
mbed_official | 80:2dab120a94c2 | 215 | *---------------------------------------------------------------------------*/ |
mbed_official | 80:2dab120a94c2 | 216 |