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)
165 lines
3.5 KiB
C
165 lines
3.5 KiB
C
/*
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* Copyright (c) 2013-2020 Arm Limited. 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 "Driver_USBD.h"
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#define ARM_USBD_DRV_VERSION ARM_DRIVER_VERSION_MAJOR_MINOR(1, 0) /* driver version */
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/* Driver Version */
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static const ARM_DRIVER_VERSION usbd_driver_version = {
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ARM_USBD_API_VERSION,
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ARM_USBD_DRV_VERSION
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};
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/* Driver Capabilities */
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static const ARM_USBD_CAPABILITIES usbd_driver_capabilities = {
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0, /* vbus_detection */
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0, /* event_vbus_on */
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0, /* event_vbus_off */
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0 /* reserved */
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};
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//
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// Functions
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//
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static ARM_DRIVER_VERSION ARM_USBD_GetVersion(void)
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{
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return usbd_driver_version;
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}
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static ARM_USBD_CAPABILITIES ARM_USBD_GetCapabilities(void)
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{
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return usbd_driver_capabilities;
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}
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static int32_t ARM_USBD_Initialize(ARM_USBD_SignalDeviceEvent_t cb_device_event,
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ARM_USBD_SignalEndpointEvent_t cb_endpoint_event)
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{
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}
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static int32_t ARM_USBD_Uninitialize(void)
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{
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}
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static int32_t ARM_USBD_PowerControl(ARM_POWER_STATE state)
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{
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switch (state)
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{
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case ARM_POWER_OFF:
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break;
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case ARM_POWER_LOW:
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break;
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case ARM_POWER_FULL:
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break;
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}
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return ARM_DRIVER_OK;
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}
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static int32_t ARM_USBD_DeviceConnect(void)
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{
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}
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static int32_t ARM_USBD_DeviceDisconnect(void)
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{
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}
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static ARM_USBD_STATE ARM_USBD_DeviceGetState(void)
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{
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}
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static int32_t ARM_USBD_DeviceRemoteWakeup(void)
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{
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}
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static int32_t ARM_USBD_DeviceSetAddress(uint8_t dev_addr)
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{
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}
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static int32_t ARM_USBD_ReadSetupPacket(uint8_t *setup)
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{
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}
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static int32_t ARM_USBD_EndpointConfigure(uint8_t ep_addr,
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uint8_t ep_type,
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uint16_t ep_max_packet_size)
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{
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}
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static int32_t ARM_USBD_EndpointUnconfigure(uint8_t ep_addr)
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{
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}
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static int32_t ARM_USBD_EndpointStall(uint8_t ep_addr, bool stall)
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{
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}
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static int32_t ARM_USBD_EndpointTransfer(uint8_t ep_addr, uint8_t *data, uint32_t num)
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{
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}
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static uint32_t ARM_USBD_EndpointTransferGetResult(uint8_t ep_addr)
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{
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}
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static int32_t ARM_USBD_EndpointTransferAbort(uint8_t ep_addr)
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{
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}
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static uint16_t ARM_USBD_GetFrameNumber(void)
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{
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}
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static void ARM_USBD_SignalDeviceEvent(uint32_t event)
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{
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// function body
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}
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static void ARM_USBD_SignalEndpointEvent(uint8_t ep_addr, uint32_t ep_event)
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{
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// function body
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}
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// End USBD Interface
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extern \
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ARM_DRIVER_USBD Driver_USBD0;
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ARM_DRIVER_USBD Driver_USBD0 =
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{
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ARM_USBD_GetVersion,
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ARM_USBD_GetCapabilities,
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ARM_USBD_Initialize,
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ARM_USBD_Uninitialize,
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ARM_USBD_PowerControl,
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ARM_USBD_DeviceConnect,
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ARM_USBD_DeviceDisconnect,
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ARM_USBD_DeviceGetState,
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ARM_USBD_DeviceRemoteWakeup,
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ARM_USBD_DeviceSetAddress,
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ARM_USBD_ReadSetupPacket,
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ARM_USBD_EndpointConfigure,
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ARM_USBD_EndpointUnconfigure,
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ARM_USBD_EndpointStall,
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ARM_USBD_EndpointTransfer,
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ARM_USBD_EndpointTransferGetResult,
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ARM_USBD_EndpointTransferAbort,
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ARM_USBD_GetFrameNumber
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};
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