diff options
Diffstat (limited to 'hid-dials/Drivers/CMSIS/RTOS2/Source/os_tick_gtim.c')
-rw-r--r-- | hid-dials/Drivers/CMSIS/RTOS2/Source/os_tick_gtim.c | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/hid-dials/Drivers/CMSIS/RTOS2/Source/os_tick_gtim.c b/hid-dials/Drivers/CMSIS/RTOS2/Source/os_tick_gtim.c deleted file mode 100644 index 1778ab7..0000000 --- a/hid-dials/Drivers/CMSIS/RTOS2/Source/os_tick_gtim.c +++ /dev/null @@ -1,187 +0,0 @@ -/**************************************************************************//**
- * @file os_tick_gtim.c
- * @brief CMSIS OS Tick implementation for Generic Timer
- * @version V1.0.1
- * @date 24. November 2017
- ******************************************************************************/
-/*
- * Copyright (c) 2017 ARM Limited. All rights reserved.
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed under the Apache License, Version 2.0 (the License); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an AS IS BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "os_tick.h"
-#include "irq_ctrl.h"
-
-#include "RTE_Components.h"
-#include CMSIS_device_header
-
-#ifndef GTIM_IRQ_PRIORITY
-#define GTIM_IRQ_PRIORITY 0xFFU
-#endif
-
-#ifndef GTIM_IRQ_NUM
-#define GTIM_IRQ_NUM SecurePhyTimer_IRQn
-#endif
-
-// Timer interrupt pending flag
-static uint8_t GTIM_PendIRQ;
-
-// Timer tick frequency
-static uint32_t GTIM_Clock;
-
-// Timer load value
-static uint32_t GTIM_Load;
-
-// Setup OS Tick.
-int32_t OS_Tick_Setup (uint32_t freq, IRQHandler_t handler) {
- uint32_t prio, bits;
-
- if (freq == 0U) {
- return (-1);
- }
-
- GTIM_PendIRQ = 0U;
-
- // Get timer clock
-#ifdef SCTR_BASE
- GTIM_Clock = *(uint32_t*)(SCTR_BASE+0x20);
-#else
- // FVP REFCLK CNTControl 100MHz
- GTIM_Clock = 100000000UL;
-#endif
-
- PL1_SetCounterFrequency(GTIM_Clock);
-
- // Calculate load value
- GTIM_Load = (GTIM_Clock / freq) - 1U;
-
- // Disable Generic Timer and set load value
- PL1_SetControl(0U);
- PL1_SetLoadValue(GTIM_Load);
-
- // Disable corresponding IRQ
- IRQ_Disable(GTIM_IRQ_NUM);
- IRQ_ClearPending(GTIM_IRQ_NUM);
-
- // Determine number of implemented priority bits
- IRQ_SetPriority(GTIM_IRQ_NUM, 0xFFU);
-
- prio = IRQ_GetPriority(GTIM_IRQ_NUM);
-
- // At least bits [7:4] must be implemented
- if ((prio & 0xF0U) == 0U) {
- return (-1);
- }
-
- for (bits = 0; bits < 4; bits++) {
- if ((prio & 0x01) != 0) {
- break;
- }
- prio >>= 1;
- }
-
- // Adjust configured priority to the number of implemented priority bits
- prio = (GTIM_IRQ_PRIORITY << bits) & 0xFFUL;
-
- // Set Private Timer interrupt priority
- IRQ_SetPriority(GTIM_IRQ_NUM, prio-1U);
-
- // Set edge-triggered IRQ
- IRQ_SetMode(GTIM_IRQ_NUM, IRQ_MODE_TRIG_EDGE);
-
- // Register tick interrupt handler function
- IRQ_SetHandler(GTIM_IRQ_NUM, handler);
-
- // Enable corresponding interrupt
- IRQ_Enable(GTIM_IRQ_NUM);
-
- // Enable system counter and timer control
-#ifdef SCTR_BASE
- *(uint32_t*)SCTR_BASE |= 3U;
-#endif
-
- // Enable timer control
- PL1_SetControl(1U);
-
- return (0);
-}
-
-/// Enable OS Tick.
-void OS_Tick_Enable (void) {
- uint32_t ctrl;
-
- // Set pending interrupt if flag set
- if (GTIM_PendIRQ != 0U) {
- GTIM_PendIRQ = 0U;
- IRQ_SetPending (GTIM_IRQ_NUM);
- }
-
- // Start the Private Timer
- ctrl = PL1_GetControl();
- // Set bit: Timer enable
- ctrl |= 1U;
- PL1_SetControl(ctrl);
-}
-
-/// Disable OS Tick.
-void OS_Tick_Disable (void) {
- uint32_t ctrl;
-
- // Stop the Private Timer
- ctrl = PL1_GetControl();
- // Clear bit: Timer enable
- ctrl &= ~1U;
- PL1_SetControl(ctrl);
-
- // Remember pending interrupt flag
- if (IRQ_GetPending(GTIM_IRQ_NUM) != 0) {
- IRQ_ClearPending(GTIM_IRQ_NUM);
- GTIM_PendIRQ = 1U;
- }
-}
-
-// Acknowledge OS Tick IRQ.
-void OS_Tick_AcknowledgeIRQ (void) {
- IRQ_ClearPending (GTIM_IRQ_NUM);
- PL1_SetLoadValue(GTIM_Load);
-}
-
-// Get OS Tick IRQ number.
-int32_t OS_Tick_GetIRQn (void) {
- return (GTIM_IRQ_NUM);
-}
-
-// Get OS Tick clock.
-uint32_t OS_Tick_GetClock (void) {
- return (GTIM_Clock);
-}
-
-// Get OS Tick interval.
-uint32_t OS_Tick_GetInterval (void) {
- return (GTIM_Load + 1U);
-}
-
-// Get OS Tick count value.
-uint32_t OS_Tick_GetCount (void) {
- return (GTIM_Load - PL1_GetCurrentValue());
-}
-
-// Get OS Tick overflow status.
-uint32_t OS_Tick_GetOverflow (void) {
- CNTP_CTL_Type cntp_ctl;
- cntp_ctl.w = PL1_GetControl();
- return (cntp_ctl.b.ISTATUS);
-}
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