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)
151 lines
3.4 KiB
C
151 lines
3.4 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_SPI.h"
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#define ARM_SPI_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 DriverVersion = {
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ARM_SPI_API_VERSION,
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ARM_SPI_DRV_VERSION
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};
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/* Driver Capabilities */
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static const ARM_SPI_CAPABILITIES DriverCapabilities = {
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0, /* Reserved (must be zero) */
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0, /* TI Synchronous Serial Interface */
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0, /* Microwire Interface */
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0, /* Signal Mode Fault event: \ref ARM_SPI_EVENT_MODE_FAULT */
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0 /* Reserved (must be zero) */
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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_SPI_GetVersion(void)
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{
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return DriverVersion;
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}
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static ARM_SPI_CAPABILITIES ARM_SPI_GetCapabilities(void)
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{
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return DriverCapabilities;
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}
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static int32_t ARM_SPI_Initialize(ARM_SPI_SignalEvent_t cb_event)
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{
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}
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static int32_t ARM_SPI_Uninitialize(void)
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{
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}
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static int32_t ARM_SPI_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_SPI_Send(const void *data, uint32_t num)
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{
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}
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static int32_t ARM_SPI_Receive(void *data, uint32_t num)
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{
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}
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static int32_t ARM_SPI_Transfer(const void *data_out, void *data_in, uint32_t num)
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{
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}
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static uint32_t ARM_SPI_GetDataCount(void)
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{
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}
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static int32_t ARM_SPI_Control(uint32_t control, uint32_t arg)
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{
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switch (control & ARM_SPI_CONTROL_Msk)
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{
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default:
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return ARM_DRIVER_ERROR_UNSUPPORTED;
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case ARM_SPI_MODE_INACTIVE: // SPI Inactive
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return ARM_DRIVER_OK;
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case ARM_SPI_MODE_MASTER: // SPI Master (Output on MOSI, Input on MISO); arg = Bus Speed in bps
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break;
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case ARM_SPI_MODE_SLAVE: // SPI Slave (Output on MISO, Input on MOSI)
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break;
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case ARM_SPI_SET_BUS_SPEED: // Set Bus Speed in bps; arg = value
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break;
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case ARM_SPI_GET_BUS_SPEED: // Get Bus Speed in bps
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break;
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case ARM_SPI_SET_DEFAULT_TX_VALUE: // Set default Transmit value; arg = value
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break;
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case ARM_SPI_CONTROL_SS: // Control Slave Select; arg = 0:inactive, 1:active
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break;
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case ARM_SPI_ABORT_TRANSFER: // Abort current data transfer
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break;
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}
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}
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static ARM_SPI_STATUS ARM_SPI_GetStatus(void)
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{
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}
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static void ARM_SPI_SignalEvent(uint32_t event)
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{
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// function body
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}
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// End SPI Interface
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extern \
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ARM_DRIVER_SPI Driver_SPI0;
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ARM_DRIVER_SPI Driver_SPI0 = {
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ARM_SPI_GetVersion,
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ARM_SPI_GetCapabilities,
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ARM_SPI_Initialize,
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ARM_SPI_Uninitialize,
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ARM_SPI_PowerControl,
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ARM_SPI_Send,
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ARM_SPI_Receive,
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ARM_SPI_Transfer,
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ARM_SPI_GetDataCount,
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ARM_SPI_Control,
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ARM_SPI_GetStatus
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};
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