瑞萨e2studio(9)----USRT通过定时器中断方式接收不定长数据

FSP Configuration Board "Custom User Board (Any Device)" R7FA4M2AD3CFP part_number: R7FA4M2AD3CFP rom_size_bytes: 524288 ram_size_bytes: 131072 data_flash_size_bytes: 8192 package_style: LQFP package_pins: 100 RA4M2 series: 4 RA4M2 Family Security: Exceptions: Exception Response: Non-Maskable Interrupt Security: Exceptions: BusFault, HardFault, and NMI Target: Secure State Security: System Reset Request Accessibility: Secure State Security: Exceptions: Prioritize Secure Exceptions: Disabled Security: Cache Accessibility: Both Secure and Non-Secure State Security: System Reset Status Accessibility: Both Secure and Non-Secure State Security: Battery Backup Accessibility: Both Secure and Non-Secure State Security: SRAM Accessibility: SRAM Protection: Both Secure and Non-Secure State Security: SRAM Accessibility: SRAM ECC: Both Secure and Non-Secure State Security: SRAM Accessibility: Standby RAM: Regions 7-0 are all Secure. Security: BUS Accessibility: Bus Security Attribution Register A: Both Secure and Non-Secure State Security: BUS Accessibility: Bus Security Attribution Register B: Both Secure and Non-Secure State Startup C-Cache Line Size: 32 Bytes OFS0 register settings: Independent WDT: Start Mode: IWDT is Disabled OFS0 register settings: Independent WDT: Timeout Period: 2048 cycles OFS0 register settings: Independent WDT: Dedicated Clock Frequency Divisor: 128 OFS0 register settings: Independent WDT: Window End Position: 0% (no window end position) OFS0 register settings: Independent WDT: Window Start Position: 100% (no window start position) OFS0 register settings: Independent WDT: Reset Interrupt Request Select: Reset is enabled OFS0 register settings: Independent WDT: Stop Control: Stop counting when in Sleep, Snooze mode, or Software Standby OFS0 register settings: WDT: Start Mode Select: Stop WDT after a reset (register-start mode) OFS0 register settings: WDT: Timeout Period: 16384 cycles OFS0 register settings: WDT: Clock Frequency Division Ratio: 128 OFS0 register settings: WDT: Window End Position: 0% (no window end position) OFS0 register settings: WDT: Window Start Position: 100% (no window start position) OFS0 register settings: WDT: Reset Interrupt Request: Reset OFS0 register settings: WDT: Stop Control: Stop counting when entering Sleep mode OFS1 register settings: Voltage Detection 0 Circuit Start: Voltage monitor 0 reset is disabled after reset OFS1 register settings: Voltage Detection 0 Level: 2.80 V OFS1 register settings: HOCO Oscillation Enable: HOCO oscillation is disabled after reset Block Protection Settings (BPS): BPS0: Permanent Block Protection Settings (PBPS): PBPS0: Clocks: HOCO FLL Function: Disabled Main Oscillator Wait Time: 8163 cycles RA Common Main stack size (bytes): 0x400 Heap size (bytes): 0x2000 MCU Vcc (mV): 3300 Parameter checking: Disabled Assert Failures: Return FSP_ERR_ASSERTION Error Log: No Error Log Clock Registers not Reset Values during Startup: Disabled Main Oscillator Populated: Populated PFS Protect: Enabled C Runtime Initialization : Enabled Early BSP Initialization : Disabled Main Oscillator Clock Source: Crystal or Resonator Subclock Populated: Populated Subclock Drive (Drive capacitance availability varies by MCU): Standard/Normal mode Subclock Stabilization Time (ms): 1000 Clocks XTAL 12000000Hz HOCO 20MHz PLL Src: XTAL PLL Div /3 PLL Mul x25.0 PLL2 Disabled PLL2 Div /2 PLL2 Mul x20.0 Clock Src: PLL CLKOUT Disabled UCLK Disabled ICLK Div /2 PCLKA Div /2 PCLKB Div /4 PCLKC Div /4 PCLKD Div /2 FCLK Div /4 CLKOUT Div /1 UCLK Div /5 Pin Configurations R7FA4M2AD3CFP.pincfg -> g_bsp_pin_cfg AVCC0 88 ANALOG0_AVCC0 - - - - - - - - IO "Read only" - AVSS0 89 ANALOG0_AVSS0 - - - - - - - - IO "Read only" - P000 100 - - - - Disabled - - "ADC0: AN000; ICU0: IRQ06" - None - - P001 99 - - - - Disabled - - "ADC0: AN001; ICU0: IRQ07" - None - - P002 98 - - - - Disabled - - "ADC0: AN002; ICU0: IRQ08" - None - - P003 97 - - - - Disabled - - "ADC0: AN003" - None - - P004 96 - - - - Disabled - - "ADC0: AN004; ICU0: IRQ09" - None - - P005 95 - - - - Disabled - - "ADC0: AN005; ICU0: IRQ10" - None - - P006 94 - - - - Disabled - - "ADC0: AN006; ICU0: IRQ11" - None - - P007 93 - - - - Disabled - - "ADC0: AN007" - None - - P008 92 - - - - Disabled - - "ADC0: AN008; ICU0: IRQ12" - None - - P013 86 - - - - Disabled - - "ADC0: AN011; ANALOG0: VREFL" - None - - P014 85 - - - - Disabled - - "ADC0: AN012; DAC0: DA0" - None - - P015 84 - - - - Disabled - - "ADC0: AN013; DAC1: DA1; ICU0: IRQ13" - None - - P100 75 - - - - Disabled - - "AGT0: AGTIO0; GPT_POEG0: GTETRGA; GPT5: GTIOC5B; ICU0: IRQ02; QSPI0: QSPCLK; SCI0: RXD0; SCI0: SCL0; SCI1: SCK1" - None - - P101 74 - - - - Disabled - - "AGT0: AGTEE0; GPT_POEG1: GTETRGB; GPT5: GTIOC5A; ICU0: IRQ01; QSPI0: QIO1; SCI0: SDA0; SCI0: TXD0; SCI1: CTSRTS1" - None - - P102 73 - - - - Disabled - - "ADC0: ADTRG0; AGT0: AGTO0; CAN0: CRX0; GPT_OPS0: GTOWLO; GPT2: GTIOC2B; QSPI0: QIO0; SCI0: SCK0" - None - - P103 72 - - - - Disabled - - "AGT2: AGTIO2; CAN0: CTX0; GPT_OPS0: GTOWUP; GPT2: GTIOC2A; QSPI0: QIO3; SCI0: CTSRTS0" - None - - P104 71 - - - - Disabled - - "AGT2: AGTEE2; GPT_POEG1: GTETRGB; GPT1: GTIOC1B; ICU0: IRQ01; QSPI0: QIO2" - None - - P105 70 - - - - Disabled - - "AGT2: AGTO2; GPT_POEG0: GTETRGA; GPT1: GTIOC1A; ICU0: IRQ00" - None - - P106 69 - - - - Disabled - - "AGT0: AGTOB0" - None - - P107 68 - - - - Disabled - - "AGT0: AGTOA0" - None - - P108 51 DEBUG0_SWDIO - Low - "Peripheral mode" CMOS None "AGT3: AGTOA3; DEBUG0: SWDIO; DEBUG0: TMS; GPT_OPS0: GTOULO; GPT0: GTIOC0B; SCI9: CTSRTS9; SPI0: SSLA0" - IO - - P109 52 SCI9_TXD9 - Low - "Peripheral mode" CMOS None "AGT3: AGTOB3; CGC0: CLKOUT; DEBUG0: TDO; DEBUG0: TRACESWO; GPT_OPS0: GTOVUP; GPT1: GTIOC1A; SCI9: SDA9; SCI9: TXD9; SPI0: MOSIA" - IO - - P110 53 SCI9_RXD9 - Low None "Peripheral mode" CMOS None "AGT3: AGTEE3; DEBUG0: TDI; GPT_OPS0: GTOVLO; GPT1: GTIOC1B; ICU0: IRQ03; SCI2: CTSRTS2; SCI9: RXD9; SCI9: SCL9; SPI0: MISOA" - IO - - P111 54 - - - - Disabled - - "AGT5: AGTOA5; GPT3: GTIOC3A; ICU0: IRQ04; SCI2: SCK2; SCI9: SCK9; SPI0: RSPCKA" - None - - P112 55 - - - - Disabled - - "AGT5: AGTOB5; GPT3: GTIOC3B; QSPI0: QSSL; SCI1: SCK1; SCI2: SDA2; SCI2: TXD2; SPI0: SSLA0; SSI0: SSIBCK0" - None - - P113 56 - - - - Disabled - - "AGT5: AGTEE5; GPT2: GTIOC2A; SCI2: RXD2; SCI2: SCL2; SSI0: SSILRCK0" - None - - P114 57 - - - - Disabled - - "AGT5: AGTIO5; GPT2: GTIOC2B; SCI9: CTS9; SSI0: SSIRXD0" - None - - P115 58 - - - - Disabled - - "GPT4: GTIOC4A; SSI0: SSITXD0" - None - - P200 40 - - - - Disabled - - "ICU0: NMI" - None - - P201 39 - - - - Disabled - - "SYSTEM0: MD" - None - - P205 32 - - - - Disabled - - "AGT1: AGTO1; CGC0: CLKOUT; CTSU0: TS01; GPT_OPS0: GTIV; GPT4: GTIOC4A; ICU0: IRQ01; IIC1: SCL1; SCI4: SDA4; SCI4: TXD4; SCI9: CTSRTS9; SDHI0: SD0DAT3; SPI0: SSLA0; SSI0: SSILRCK0; USB_FS0: USB_OVRCURA" - None - - P206 31 - - - - Disabled - - "CTSU0: TS02; GPT_OPS0: GTIU; ICU0: IRQ00; IIC1: SDA1; SCI4: RXD4; SCI4: SCL4; SCI9: CTS9; SDHI0: SD0DAT2; SPI0: SSLA1; SSI0: SSIDATA0; USB_FS0: USB_VBUSEN" - None - - P207 30 - - - - Disabled - - "CTSU0: TSCAP; QSPI0: QSSL; SCI4: SDA4; SCI4: TXD4; SPI0: SSLA2" - None - - P208 37 - - - - Disabled - - "GPT_OPS0: GTOVLO; QSPI0: QIO3; SDHI0: SD0DAT0" - None - - P209 36 - - - - Disabled - - "AGT5: AGTEE5; GPT_OPS0: GTOVUP; QSPI0: QIO2; SDHI0: SD0WP" - None - - P210 35 - - - - Disabled - - "AG