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)
73 lines
2.5 KiB
C
73 lines
2.5 KiB
C
/*----------------------------------------------------------------------------
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* CMSIS-RTOS - RTX
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*----------------------------------------------------------------------------
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* Name: RT_TASK.H
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* Purpose: Task functions and system start up.
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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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/* Definitions */
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/* Values for 'state' */
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#define INACTIVE 0U
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#define READY 1U
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#define RUNNING 2U
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#define WAIT_DLY 3U
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#define WAIT_ITV 4U
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#define WAIT_OR 5U
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#define WAIT_AND 6U
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#define WAIT_SEM 7U
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#define WAIT_MBX 8U
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#define WAIT_MUT 9U
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/* Return codes */
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#define OS_R_TMO 0x01U
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#define OS_R_EVT 0x02U
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#define OS_R_SEM 0x03U
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#define OS_R_MBX 0x04U
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#define OS_R_MUT 0x05U
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#define OS_R_OK 0x00U
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#define OS_R_NOK 0xFFU
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/* Variables */
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extern struct OS_TSK os_tsk;
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extern struct OS_TCB os_idle_TCB;
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/* Functions */
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extern void rt_switch_req (P_TCB p_next);
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extern void rt_dispatch (P_TCB next_TCB);
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extern void rt_block (U16 timeout, U8 block_state);
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extern void rt_tsk_pass (void);
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extern OS_TID rt_tsk_self (void);
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extern OS_RESULT rt_tsk_prio (OS_TID task_id, U8 new_prio);
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extern OS_TID rt_tsk_create (FUNCP task, U32 prio_stksz, void *stk, void *argv);
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extern OS_RESULT rt_tsk_delete (OS_TID task_id);
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#ifdef __CMSIS_RTOS
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extern void rt_sys_init (void);
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extern void rt_sys_start (void);
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#else
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extern void rt_sys_init (FUNCP first_task, U32 prio_stksz, void *stk);
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#endif
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/*----------------------------------------------------------------------------
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* end of file
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*---------------------------------------------------------------------------*/
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