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
3.1 KiB
C
151 lines
3.1 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_I2C.h"
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#define ARM_I2C_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_I2C_API_VERSION,
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ARM_I2C_DRV_VERSION
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};
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/* Driver Capabilities */
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static const ARM_I2C_CAPABILITIES DriverCapabilities = {
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0 /* supports 10-bit addressing */
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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_I2C_GetVersion(void)
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{
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return DriverVersion;
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}
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static ARM_I2C_CAPABILITIES ARM_I2C_GetCapabilities(void)
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{
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return DriverCapabilities;
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}
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static int32_t ARM_I2C_Initialize(ARM_I2C_SignalEvent_t cb_event)
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{
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}
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static int32_t ARM_I2C_Uninitialize(void)
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{
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}
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static int32_t ARM_I2C_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_I2C_MasterTransmit(uint32_t addr, const uint8_t *data, uint32_t num, bool xfer_pending)
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{
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}
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static int32_t ARM_I2C_MasterReceive(uint32_t addr, uint8_t *data, uint32_t num, bool xfer_pending)
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{
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}
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static int32_t ARM_I2C_SlaveTransmit(const uint8_t *data, uint32_t num)
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{
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}
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static int32_t ARM_I2C_SlaveReceive(uint8_t *data, uint32_t num)
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{
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}
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static int32_t ARM_I2C_GetDataCount(void)
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{
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}
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static int32_t ARM_I2C_Control(uint32_t control, uint32_t arg)
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{
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switch (control)
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{
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case ARM_I2C_OWN_ADDRESS:
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break;
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case ARM_I2C_BUS_SPEED:
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switch (arg)
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{
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case ARM_I2C_BUS_SPEED_STANDARD:
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break;
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case ARM_I2C_BUS_SPEED_FAST:
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break;
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case ARM_I2C_BUS_SPEED_FAST_PLUS:
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break;
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default:
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return ARM_DRIVER_ERROR_UNSUPPORTED;
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}
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break;
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case ARM_I2C_BUS_CLEAR:
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break;
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case ARM_I2C_ABORT_TRANSFER:
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break;
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default:
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return ARM_DRIVER_ERROR_UNSUPPORTED;
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}
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}
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static ARM_I2C_STATUS ARM_I2C_GetStatus(void)
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{
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}
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static void ARM_I2C_SignalEvent(uint32_t event)
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{
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// function body
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}
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// End I2C Interface
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extern \
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ARM_DRIVER_I2C Driver_I2C0;
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ARM_DRIVER_I2C Driver_I2C0 = {
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ARM_I2C_GetVersion,
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ARM_I2C_GetCapabilities,
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ARM_I2C_Initialize,
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ARM_I2C_Uninitialize,
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ARM_I2C_PowerControl,
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ARM_I2C_MasterTransmit,
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ARM_I2C_MasterReceive,
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ARM_I2C_SlaveTransmit,
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ARM_I2C_SlaveReceive,
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ARM_I2C_GetDataCount,
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ARM_I2C_Control,
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ARM_I2C_GetStatus
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};
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