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CPU-5CE/32-85-2 FORCE軟件結束
ATmega48芯片具有4 KB內部Flash和512字節的片內SRAM，軟件結束需考慮資源分配問題，特別是SRAM使用狀況。因為程序觸及串口通訊、DTMF通訊和FSK通訊3種狀況，理論上需求拓荒6個緩衝區。如果這樣，每一個緩衝區的大小明顯不能保證抵達實踐通訊數據量的需求。結合FSK通訊特徵，DTMF數據傳輸與FSK數據傳輸不可能同時發生，因此FSK與DTMF可共用相同緩衝區。相同串口接納與FSK發送、串口發送與FSK接納都不會同時發生，這樣通訊只需求拓荒兩個緩衝區就能夠保證模塊正常通訊，考慮實踐業務途徑數據量狀況，軟件規劃中為FSK接納拓荒255字節緩衝區復用；FSK發送拓荒45字節緩衝區復用。
4.1 CPU-5CE/32-85-2 FORCE主程序結束流程
圖2 CPU-5CE/32-85-2 FORCE主程序流程
通訊模塊主程序包含：CPU初始化、CMX865初始化、初始化建鏈、串口通訊和FSK通訊子程序等。主程序流程如圖2所示。初始化建鏈環節是模塊正常作業的根底，經過初始化建鏈操作，信息終端能夠依據線路環境以及途徑超時機制對通訊模塊參數進行設置，保證通訊的穩定性。通訊主流程循環實施3個子功用函數：線路狀況處理函數、串口數據解析與處理函數、鏈路堅持函數。線路狀況處理函數規劃了3種線路狀況，即初始狀況、閒暇狀況和摘機狀況；正常作業時僅在閒暇狀況和摘機狀況之間切換。其間在閒暇狀況檢測振鈴、依據狀況位實施摘機、DTMF撥號等操作；在摘機狀況依據狀況位實施FSK收發、脫線檢測、挂機操控等操作。串口數據解析與處理函數包含串口數據按指令集解析、對解析指令進行應對和狀況置位處理部分。這樣線路狀況處理函數和串口數據解析與處理函數經過狀況置位標志緊密連接起來。FSK數據選用連續方法直接接納，接納完畢後在摘機狀況下直接經過串口發送給信息終端。因為串口發送使用相對單一，為簡略處理串口發送選用即時應對處理方法，渙散在通訊主流程各子功用函數中結束，提高了通訊功率。經過鏈路堅持函數判別串口通訊是否異常，通訊模塊周期性地向信息終端發送鏈路堅持指令，如果3次重發均未收到終端應對指令，通訊模塊將主動鎖閉線路，重新實施初始化建鏈操作，結束串口異常的處理。
4.2 CPU-5CE/32-85-2 FORCE對外串口通訊協議
模塊選用規範串口通訊，波特率為19 200 bps，10位異步方法。界說串口通訊數據包格局為：0x1E+指令+校驗和反碼（對指令的校驗和反碼），其間部分指令以變長方法發送。串口通訊指令有：模塊初始化、鏈路堅持、DTMF接納/發送、FSK接納/發送、振鈴、挂機等，指令詳細格局和描繪此處不加臚陳。模塊初始化上電後由通訊模塊主動主張，直到正確接納到終端應對初始化指令後，通訊模塊才建鏈成功。信息終端初始化應對指令供給FSK通訊模塊參數配置信息。上電後如果FSK模塊未收到終端初始化應對信息，則周期性地（每2 s）發送一次初始化建鏈指令，直到成功停止；模塊FSK通訊過程中周期性地向終端發送鏈路堅持指令，如果未收到終端應對信息，則斷開FSK鏈接重新開始模塊初始化。
4.3 串口通訊結束
AVR單片機串口通訊往往選用SPI通訊方法[78]，通訊模塊串口通訊選用UART0操控/狀況寄存器和數據寄存器結束。串口通訊子程序由串口發送/接納連續子程序、串口接納指令解析子程序和串口組包發送子程序3部分組成
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CPU-2CE/16
CPU-3CE/16
CPU-3CE/32-40-1
CPU-3CE/64-40-1
CPU-5CE/16-85-2
CPU-5CE/32-85-2
CPU-5CE/64-85-2
CPU-5TE/16-85-0
CPU-5V/64-100-2
CPU-5V/64-110-2
IOBP-10
CPU-8VT/64-170-2
CPU-20 Series
CPU-30BE
CPU-30ZBE
CPU-33XB
CPU-33XN
CPU-40B/16
CPU-40B/16-01
CPU-40B/16-02
CPU-40B/4
CPU-50/128-333-4-2
CPU-50/256-333-4-2
CPU-50GT/256-300-4-2
CPU-50GT/256-333-4-2
CPU-50T/256-300-4-2
CPU-50T/256-333-4-2
SCSI-BP4
CPU-60D/32/C3
6604E/16-200
CPCI-731
CPCI-761
IOBP-731
PMC860-40-E1-75
SCSI-BP4
IOBP-731
IOBP-10
IBC-20-1
SYS68K/PIO-1
CPCI-910
CPU-5V/64-110-2/C13
Force SPARC/CPU-10/128-1251 SPARC/CPU-10/128-1251H1 VME
Force SPARC CPU-5VT VME Board
FORCE SPARC CPU-3CE/16-40-1 P/N 501015 Network #B89
Force Sparc CPU-3CE/16 VME Processor Board
Force Sparc CPU-10/32 VME SBC computer board
Force Sparc CPU-2CE/16 VME SBC computer board with GPIB
Force CPCI-550 sparc/cpci-550
Force SPARC CPU-2s/32 VME SI 600-11573-201
FORCE SPARC CPU-5V CPU-5V/64-100-2 VME MAINFRAME. CARD
Force SPARC CPU-3CE/16 Network 501015 Board #F15
FORCE SPARC CPU-3CE/32-40-1 P/N 501016 Network #B90
FORCE SPARC CPU-5V CPU-5V/64-100-2 VME MAINFRAME. CARD
Force Sparc CPU-20VT VME SBC computer board
Force VME Sparc CPU Military Avionics
Force Sparc/CPU-10/128-51-1 B
FORCE SPARC CPU-3CE/8 NETWORK
FORCE SPARC CPU-10/9U BOARD
Force SPARC CPU-3CE/16-40-1 501015 Network Board #B61
FORCE SPARC CPU-5CE/16 VME SBUS MAINFRAME. CARD
Force SPARC CPU-3CE/16 Network 501015 Board #F16
Force Sparc/mem-50 213802 RevAA Memory Stick #F37
Force SPARC CPCI-523G 256-300-4-2 CompactPCI Card
Force Sparc/CPU-10/64-40-1
Force SYS68K CPU-30Lite
FORCE SYS68K DRAM VME BOARD MVME MAINFRAME. MOTOROLA
Force SYS68K/CPU-6 880-12537-101.A?2 LAM 810-17034-300-1
FORCE SYS68K SRAM-4A VME BOARD MVME MAINFRAME. MOTOROLA
Force SYS68K/CPU-6VB P/N 100611 LAM reseach 17034-3-C
FORCE SYS68K ISCSI-1 VME BOARD MVME MAINFRAME. MOTOROLA
FORCE COMPUTERS SYS68K CPU-6A
FORCE SYS68K CPU-2VF VME SINGLE BOARD COMPUTER MOTOROLA
FORCE SYS68K CPU-30BE/16 VME BOARD
Force SYS68K/SIO-2 P/N 310004
Force SYS68K CPU-33B/4 VME Board
Force SYS68K/SASI-1
FORCE CONTROL BOARD SYS68K ISI0-2/C2 (P/N 220062)
FORCE COMPUTER MODEL SYS68K SASI-1441 LAM REV A
FORCE COMPUTER CPU BOARD SYS68K CPU-1B NEW-NO BOX
Force SYS68K CPU30ZBE CPU-30ZBE CPU Module VMEbus VME
FORCE SYS68K CPU BOARD 310004 WORKING
Force SYS68K/CPU-33B/?4 VME Board CAT#: 510098
FORCE COMPUTERS SYS68K/CPU-6VA USPP SYS68KCPU6VA CIRCUIT CARD
BUS TRONIC FORCE SYS68K MAINFRAME. BOARDS NICE LOT
Force SYS68K/ISIO-2 I/O Controller Board PN: 310031
Force SYS68K ISIO-1 Serial I/O Board
BioRad SYS68K CPU-30ZBE FORCE 25MHZ VME CPU BOARD
FORCE COMPUTER VME BOARD MODEL SYS68K REV C
FORCE SYS68K ISIO-2 MODULE ASSY
Force SYS68K/ISIO-1FP I/O Controller Dual Board 310034
Force SYS68K/CPU-33B/4 VME Board CAT#: 510098 PN: 600-1
Force SYS68K/CPU-30BE SYS68K/CPU-30BE?/16/C2 VME Module
Force SYS68K/CPU-33B/4 VME Board CAT#: 510098
Force SYS68K/ISIO-1FP I/O Controller Dual Board w Cable
Force SYS68K/ISIO-1FP I/O Controller Dual Board 310034
FORCE PROCESSOR BOARD Model SYS68K ASCU-2
Force SYS68K/ISIO-2 I/O Controller Board PN: 310031
Force SPARC/CPU-10/128-1251 SPARC/CPU-10/12?8-1251H1 VME
A64520 Force Computers Sparc CPU-24VTF Board
Force CPCI-550 sparc/cpci-550
Force Sparc CPU-3CE/16 VME Processor Board
Force SPARC CPU-2s/32 VME SI 600-11573-201
FORCE SPARC CPU-5V CPU-5V/64-100-2 VME MAINFRAME. CARD
Force Sparc/CPU-10/12?8-51-1
FORCE SPARC CPU-5V CPU-5V/64-100-2 VME MAINFRAME. CARD
Force SPARC CPU-3CE/16-40-1 501015 Network Board #B61
FORCE SPARC CPU-3CE/16-40-1 P/N 501015 Network #B89
Mercury Themis Force VME Sparc CPU Military Avionics
FORCE SPARC CPU-3CE/32-40-1 P/N 501016 Network #B90
FORCE SPARC CPU-10/9U BOARD
FORCE SPARC CPU-3CE/32-40-1 P/N 00157-001 Network #B91
MOTOROLA FORCE SPARC CPU-5CE/16 VME SBUS MAINFRAME. CARD
FORCE SPARC CPU-3CE/8 NETWORK
Force SPARC CPCI-523G 256-300-4-2 CompactPCI Card
Force Sparc/CPU-10/64-40-1
Force SYS68K/CPU-6 880-12537-101.A2 LAM 810-17034-300-1
FORCE SYS68K CPU-2VF VME SINGLE BOARD COMPUTER MOTOROLA
Force SYS68K/CPU-6VB P/N 100611 LAM reseach 17034-3-C
FORCE SYS68K DRAM VME BOARD MVME MAINFRAME. MOTOROLA
Force SYS68K CPU-30
FORCE SYS68K SRAM-4A VME BOARD MVME MAINFRAME. MOTOROLA
FORCE COMPUTERS SYS68K CPU-6A
FORCE SYS68K CPU-30BE/16 VME BOARD
FORCE SYS68K ISCSI-1 VME BOARD MVME MAINFRAME. MOTOROLA
Force SYS68K ISIO-1 Serial I/O Board
FORCE COMPUTER CPU BOARD SYS68K CPU-1B NEW-NO BOX
Force SYS68K CPU-33B/4 VME Board
Force SYS68K/SIO-2 P/N 310004
Force SYS68K/SASI-1
FORCE SYS68K ISIO-2 MODULE ASSY
FORCE CONTROL BOARD SYS68K ISI0-2/C2 (P/N 220062)
FORCE COMPUTER VME BOARD MODEL SYS68K REV C
FORCE COMPUTERS SYS68K/CPU-6VA USPP SYS68KCPU6VA
FORCE COMPUTER MODEL SYS68K SASI-1441 LAM REV A B
FORCE SYS68K CPU BOARD 310004 WORKING
BUS TRONIC FORCE SYS68K MAINFRAME. BOARDS NICE LOT
Force SYS68K/CPU-33B/4 VME Board CAT#: 510098 PN: 600-1
FORCE SYS68K/CPU-30BE/8 REMOVED FROM BIORAD SYSTEM
Force SYS68K/ISIO-1FP I/O Controller Dual Board w Cable
Force SYS68K/CPU-30BE SYS68K/CPU-30BE?/16/C2 VME Module
Force SYS68K/CPU-33B/4 VME Board CAT#: 510098
Force SYS68K/ISIO-2 I/O Controller Board PN: 310031
Force SYS68K/ISIO-1FP I/O Controller Dual Board 310034
Force SYS68K/ISIO-2 I/O Controller Board PN: 310031
FORCE PROCESSOR BOARD Model SYS68K ASCU-2
Force SYS68K CPU30ZBE CPU-30ZBE CPU Module VMEbus VME
Force SYS68K/ISIO-1FP I/O Controller Dual Board 310034
Force SYS68K/CPU-33B/4 VME Board CAT#: 510098
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