ua1zbe
a1206d6fd4
Features: - VFO mode with direct frequency input - POCSAG decoder (512/1200 baud) with BCH(31,21) correction - Full-screen Spectrum analyzer - FM Radio receiver - RSSI signal indicator overlay - Custom boot splash (UA1ZBE / POCSAG pager / build date) Architecture: - app/mode.c — mode dispatcher (VFO/POCSAG/Spectrum/FM) - app/boot_splash.c — 2-second boot splash - app/pocsag/ — POCSAG decoder + BCH correction - app/display_rssi.c — RSSI indicator - main.c — entry point with custom init - syscalls.c — bare-metal _sbrk stub Build: arm-none-eabi-gcc -Os -flto -Wall -Werror -Wextra Size: 57.9KB Flash / 3.6KB RAM Controls: - 0-9: Direct frequency input (VFO) - SK2: POCSAG mode - SK1: Spectrum analyzer - 0: FM Radio - EXIT: Return to VFO - F/*: Toggle 512/1200 baud (in POCSAG)
75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
/*----------------------------------------------------------------------------
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* CMSIS-RTOS - RTX
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*----------------------------------------------------------------------------
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* Name: RT_ROBIN.C
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* Purpose: Round Robin Task switching
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* Rev.: V4.79
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*----------------------------------------------------------------------------
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*
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* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*---------------------------------------------------------------------------*/
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#include "rt_TypeDef.h"
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#include "RTX_Config.h"
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#include "rt_List.h"
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#include "rt_Task.h"
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#include "rt_Time.h"
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#include "rt_Robin.h"
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#include "rt_HAL_CM.h"
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/*----------------------------------------------------------------------------
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* Global Variables
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*---------------------------------------------------------------------------*/
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struct OS_ROBIN os_robin;
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/*----------------------------------------------------------------------------
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* Global Functions
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*---------------------------------------------------------------------------*/
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/*--------------------------- rt_init_robin ---------------------------------*/
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__weak void rt_init_robin (void) {
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/* Initialize Round Robin variables. */
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os_robin.task = NULL;
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os_robin.tout = (U16)os_rrobin;
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}
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/*--------------------------- rt_chk_robin ----------------------------------*/
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__weak void rt_chk_robin (void) {
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/* Check if Round Robin timeout expired and switch to the next ready task.*/
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P_TCB p_new;
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if (os_robin.task != os_rdy.p_lnk) {
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/* New task was suspended, reset Round Robin timeout. */
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os_robin.task = os_rdy.p_lnk;
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os_robin.time = (U16)os_time + os_robin.tout - 1U;
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}
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if (os_robin.time == (U16)os_time) {
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/* Round Robin timeout has expired, swap Robin tasks. */
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os_robin.task = NULL;
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p_new = rt_get_first (&os_rdy);
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rt_put_prio ((P_XCB)&os_rdy, p_new);
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}
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}
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/*----------------------------------------------------------------------------
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* end of file
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*---------------------------------------------------------------------------*/
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