timer interrupt problem: microblaze
in [FPGA]
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From: Goran_Bilski on 28 Nov 2008 04:01 On Nov 27, 6:24 pm, bish <bishes...(a)gmail.com> wrote: > On Nov 27, 10:08 pm, bish <bishes...(a)gmail.com> wrote: > > > > > > > On Nov 27, 6:14 am, Bryan <bryan.fletc...(a)avnet.com> wrote: > > > > Not sure what the problem is with your code. Here's an example with > > > one timer. It's 10.1, but there weren't any changes in the interrupt > > > stuff between 9.2 and 10.1 (so I'm told). This is based on a lab from > > > one of Avnet's Speedway trainings. I ran it on the Xilinx Spartan-3A > > > DSP 1800A Starter and verified that the interrupts are indeed > > > happening. There is a bit file in the project directory if you don't > > > want to rebuild the project. > > > > Bryan > > > > The following file has been made available for you to download from > > > Avnet's File Transfer web site:http://xfer.avnet.com/uploads/Xil3S1800ADSP_Interrupt_v10.1.03.zip > > > I downloaded the timer_interrupt.bit file into FPGA using impact, the > > timer example worked FINE. > > It generated the required output and interrrupt was working. BUT > > > I could not use the system.xmp present inhttp://xfer.avnet.com/uploads/Xil3S1800ADSP_Interrupt_v10.1.03.zip > > because > > I have edk 9.2i, but it was developed with later version of edk. > > > And here is the mysterious problem yet to be solved!! > > So I developed a base system and used xps interrupt controller and > > timer. The MHS file is: > > > # > > ############################################################################## > > # Created by Base System Builder Wizard for Xilinx EDK 9.2 Build > > EDK_Jm.16 > > # Sun Nov 16 21:24:15 2008 > > # Target Board: Xilinx Spartan-3A DSP 1800A Starter Board Rev 1 > > # Family: spartan3adsp > > # Device: xc3sd1800a > > # Package: fg676 > > # Speed Grade: -4 > > # Processor: microblaze_0 > > # System clock frequency: 62.000000 MHz > > # On Chip Memory : 8 KB > > # > > ############################################################################## > > PARAMETER VERSION = 2.1.0 > > > PORT fpga_0_RS232_Uart_1_RX_pin = fpga_0_RS232_Uart_1_RX, DIR = I > > PORT fpga_0_RS232_Uart_1_TX_pin = fpga_0_RS232_Uart_1_TX, DIR = O > > PORT sys_clk_pin = dcm_clk_s, DIR = I, SIGIS = CLK, CLK_FREQ = > > 125000000 > > PORT sys_rst_pin = sys_rst_s, DIR = I, RST_POLARITY = 0, SIGIS = RST > > PORT dip_GPIO_in_pin = dip_GPIO_in, DIR = I, VEC = [0:7] > > PORT push_GPIO_in_pin = push_GPIO_in, DIR = I, VEC = [0:3] > > PORT led_GPIO_IO_pin = led_GPIO_IO, DIR = IO, VEC = [0:7] > > > BEGIN microblaze > > PARAMETER HW_VER = 7.00.a > > PARAMETER INSTANCE = microblaze_0 > > PARAMETER C_INTERCONNECT = 1 > > PARAMETER C_DEBUG_ENABLED = 1 > > PARAMETER C_AREA_OPTIMIZED = 1 > > BUS_INTERFACE DLMB = dlmb > > BUS_INTERFACE ILMB = ilmb > > BUS_INTERFACE DPLB = mb_plb > > BUS_INTERFACE IPLB = mb_plb > > BUS_INTERFACE DEBUG = microblaze_0_dbg > > PORT RESET = mb_reset > > PORT INTERRUPT = Interrupt > > END > > > BEGIN plb_v46 > > PARAMETER INSTANCE = mb_plb > > PARAMETER HW_VER = 1.00.a > > PORT PLB_Clk = sys_clk_s > > PORT SYS_Rst = sys_bus_reset > > END > > > BEGIN lmb_v10 > > PARAMETER INSTANCE = ilmb > > PARAMETER HW_VER = 1.00.a > > PORT LMB_Clk = sys_clk_s > > PORT SYS_Rst = sys_bus_reset > > END > > > BEGIN lmb_v10 > > PARAMETER INSTANCE = dlmb > > PARAMETER HW_VER = 1.00.a > > PORT LMB_Clk = sys_clk_s > > PORT SYS_Rst = sys_bus_reset > > END > > > BEGIN lmb_bram_if_cntlr > > PARAMETER INSTANCE = dlmb_cntlr > > PARAMETER HW_VER = 2.10.a > > PARAMETER C_BASEADDR = 0x00000000 > > PARAMETER C_HIGHADDR = 0x00003fff > > BUS_INTERFACE SLMB = dlmb > > BUS_INTERFACE BRAM_PORT = dlmb_port > > END > > > BEGIN lmb_bram_if_cntlr > > PARAMETER INSTANCE = ilmb_cntlr > > PARAMETER HW_VER = 2.10.a > > PARAMETER C_BASEADDR = 0x00000000 > > PARAMETER C_HIGHADDR = 0x00003fff > > BUS_INTERFACE SLMB = ilmb > > BUS_INTERFACE BRAM_PORT = ilmb_port > > END > > > BEGIN bram_block > > PARAMETER INSTANCE = lmb_bram > > PARAMETER HW_VER = 1.00.a > > BUS_INTERFACE PORTA = ilmb_port > > BUS_INTERFACE PORTB = dlmb_port > > END > > > BEGIN xps_uartlite > > PARAMETER INSTANCE = RS232_Uart_1 > > PARAMETER HW_VER = 1.00.a > > PARAMETER C_BAUDRATE = 115200 > > PARAMETER C_ODD_PARITY = 0 > > PARAMETER C_USE_PARITY = 0 > > PARAMETER C_SPLB_CLK_FREQ_HZ = 62500000 > > PARAMETER C_BASEADDR = 0x84000000 > > PARAMETER C_HIGHADDR = 0x8400ffff > > BUS_INTERFACE SPLB = mb_plb > > PORT RX = fpga_0_RS232_Uart_1_RX > > PORT TX = fpga_0_RS232_Uart_1_TX > > END > > > BEGIN clock_generator > > PARAMETER INSTANCE = clock_generator_0 > > PARAMETER HW_VER = 1.00.a > > PARAMETER C_EXT_RESET_HIGH = 1 > > PARAMETER C_CLKIN_FREQ = 125000000 > > PARAMETER C_CLKOUT0_FREQ = 62500000 > > PARAMETER C_CLKOUT0_PHASE = 0 > > PARAMETER C_CLKOUT0_GROUP = NONE > > PORT CLKOUT0 = sys_clk_s > > PORT CLKIN = dcm_clk_s > > PORT LOCKED = Dcm_all_locked > > PORT RST = net_gnd > > END > > > BEGIN mdm > > PARAMETER INSTANCE = debug_module > > PARAMETER HW_VER = 1.00.a > > PARAMETER C_MB_DBG_PORTS = 1 > > PARAMETER C_USE_UART = 1 > > PARAMETER C_UART_WIDTH = 8 > > PARAMETER C_BASEADDR = 0x84400000 > > PARAMETER C_HIGHADDR = 0x8440ffff > > BUS_INTERFACE SPLB = mb_plb > > BUS_INTERFACE MBDEBUG_0 = microblaze_0_dbg > > PORT Debug_SYS_Rst = Debug_SYS_Rst > > END > > > BEGIN proc_sys_reset > > PARAMETER INSTANCE = proc_sys_reset_0 > > PARAMETER HW_VER = 2.00.a > > PARAMETER C_EXT_RESET_HIGH = 0 > > PORT Slowest_sync_clk = sys_clk_s > > PORT Dcm_locked = Dcm_all_locked > > PORT Ext_Reset_In = sys_rst_s > > PORT MB_Reset = mb_reset > > PORT Bus_Struct_Reset = sys_bus_reset > > PORT MB_Debug_Sys_Rst = Debug_SYS_Rst > > END > > > BEGIN xps_gpio > > PARAMETER INSTANCE = push > > PARAMETER HW_VER = 1.00.a > > PARAMETER C_GPIO_WIDTH = 4 > > PARAMETER C_ALL_INPUTS = 1 > > PARAMETER C_IS_BIDIR = 0 > > PARAMETER C_BASEADDR = 0x8141c200 > > PARAMETER C_HIGHADDR = 0x8141c3ff > > BUS_INTERFACE SPLB = mb_plb > > PORT GPIO_in = push_GPIO_in > > END > > > BEGIN xps_gpio > > PARAMETER INSTANCE = dip > > PARAMETER HW_VER = 1.00.a > > PARAMETER C_GPIO_WIDTH = 8 > > PARAMETER C_ALL_INPUTS = 1 > > PARAMETER C_IS_BIDIR = 0 > > PARAMETER C_BASEADDR = 0x81420000 > > PARAMETER C_HIGHADDR = 0x8142ffff > > BUS_INTERFACE SPLB = mb_plb > > PORT GPIO_in = dip_GPIO_in > > END > > > BEGIN xps_gpio > > PARAMETER INSTANCE = led > > PARAMETER HW_VER = 1.00.a > > PARAMETER C_GPIO_WIDTH = 8 > > PARAMETER C_IS_BIDIR = 0 > > PARAMETER C_BASEADDR = 0x81400000 > > PARAMETER C_HIGHADDR = 0x8140ffff > > BUS_INTERFACE SPLB = mb_plb > > PORT GPIO_IO = led_GPIO_IO > > END > > > BEGIN xps_timer > > PARAMETER INSTANCE = xps_timer_0 > > PARAMETER HW_VER = 1.00.a > > PARAMETER C_BASEADDR = 0x81418000 > > PARAMETER C_HIGHADDR = 0x814181ff > > PARAMETER C_ONE_TIMER_ONLY = 1 > > BUS_INTERFACE SPLB = mb_plb > > PORT Interrupt = xps_timer_0_Interrupt > > END > > > BEGIN xps_intc > > PARAMETER INSTANCE = xps_intc_0 > > PARAMETER HW_VER = 1.00.a > > PARAMETER C_BASEADDR = 0x81414000 > > PARAMETER C_HIGHADDR = 0x814141ff > > BUS_INTERFACE SPLB = mb_plb > > PORT Irq = Interrupt > > PORT Intr = xps_timer_0_Interrupt > > END > > > In xps_intc I have connected only timer interrupt to its Intr pin and > > other interrupts like > > from push buttons and other are NOT CONNECTED. > > In the configure ip.. option for xps interrupt controller I could not > change the no. of interrupt inputs (by default it is 2), as it is set > to 2 and disabled. > So I used two timers and connected interrupt pins of these timers to > interrupt controller just make intr inputs 2. Then again I checked > with the "timer.c" file from the link, and still the same result: > Timer example failed !!! > > This has already taken so many days and problem is becoming more > mysterious (but frustrating)!!! > > > > > Then I used "timer.c" provided in the link (I have not used external > > DDR2 SDRAM), and the result: > > > Starting Timer example > > Timer example FAILED > > > So, I am really confused here!! > > > > Click on the hyperlink or enter this URL into your web browser to > > > retrieve the file. > > > This file will remain on the server for approximately 5 days from the > > > date of the upload at which time it will be deleted. Please be sure > > > to download it before the expiration time. > > > This file will expire on Dec 1, 2008. > > > > File Size: 232357 Bytes > > > > On Nov 26, 12:22 am, bish <bishes...(a)gmail.com> wrote: > > > > > On Nov 26, 4:58 am, David <simianfe...(a)gmail.com> wrote: > > > > > > On Nov 26, 2:37 am, bish <bishes...(a)gmail.com> wrote: > > > > > > > On Nov 25, 12:25 pm, Matthias Alles <REMOVEallesCAPIT...(a)NOeit.SPAMuni- > > > > > > > kl.de> wrote: > > > > > > > Hi! > > > > > > > > I wonder, whether "one_second_flag" is declared as volatile? If not, the > > > > > > > compiler optimizes your if-statement in the while(1) loop away. You can > > > > > > > check this by using mb-objdump. > > > > > > > I tried using the volatile for one_second_flag, still it does not > > > > > > work. It just prints "the value of count = 1" once in terminal and > > > > > > nothing happens then. > > > > > > > > Cheers, > > > > > > > Matthias > > > > > > > > bish schrieb: > > > > > > > > > I am trying to use a timer for regular interrupt in microblaze. I am > > > > > > > > using edk 9.2i and spartan 3a dsp 1800a. > > > > > > > > Even following a simple lab example widely used by beginners didn't > > > > > > > > work:http://users.utcluj.ro/~baruch/ssce/labor/EDK-L5-e.pdf > > > > > > > > > I have connected all the interrupt ports correctly as evident from the > > > > > > > > following portion of the mhs file: > > > > > > > > BEGIN microblaze > > > > > > > > PARAMETER HW_VER = 7.00.a > > > > > > > > ........... > > > > > > > > ........... > > > > > > > > PORT INTERRUPT = interrupt > > > > > > > > END > > > > > > > > > BEGIN xps_timer > > > > > > > > PARAMETER INSTANCE = delay > > > > > > > > PARAMETER HW_VER = 1.00.a > > > > > > > > PARAMETER C_ONE_TIMER_ONLY = 1 > > > > > > > > PARAMETER C_BASEADDR = 0x8141c200 > > > > > > > > PARAMETER C_HIGHADDR = 0x8141c3ff > > > > > > > > BUS_INTERFACE SPLB = mb_plb > > > > > > > > PORT Interrupt = timer1 > > > > > > > > PORT CaptureTrig0 = net_gnd > > > > > > > > END > > > > > > > > > BEGIN xps_intc > > > > > > > > PARAMETER INSTANCE = xps_intc_0 > > ... > > read more »- Hide quoted text - > > - Show quoted text -- Hide quoted text - > > - Show quoted text - Hi, What compilator options do you use when compiling timer.c? Can you email me the .elf file? Göran
From: bish on 28 Nov 2008 06:40 On Nov 28, 2:01 pm, Goran_Bilski <goran.bil...(a)xilinx.com> wrote: > On Nov 27, 6:24 pm, bish <bishes...(a)gmail.com> wrote: > > > On Nov 27, 10:08 pm, bish <bishes...(a)gmail.com> wrote: > > > > On Nov 27, 6:14 am, Bryan <bryan.fletc...(a)avnet.com> wrote: > > > > > Not sure what the problem is with your code. Here's an example with > > > > one timer. It's 10.1, but there weren't any changes in the interrupt > > > > stuff between 9.2 and 10.1 (so I'm told). This is based on a lab from > > > > one of Avnet's Speedway trainings. I ran it on the Xilinx Spartan-3A > > > > DSP 1800A Starter and verified that the interrupts are indeed > > > > happening. There is a bit file in the project directory if you don't > > > > want to rebuild the project. > > > > > Bryan > > > > > The following file has been made available for you to download from > > > > Avnet's File Transfer web site:http://xfer.avnet.com/uploads/Xil3S1800ADSP_Interrupt_v10.1.03.zip > > > > I downloaded the timer_interrupt.bit file into FPGA using impact, the > > > timer example worked FINE. > > > It generated the required output and interrrupt was working. BUT > > > > I could not use the system.xmp present inhttp://xfer.avnet.com/uploads/Xil3S1800ADSP_Interrupt_v10.1.03.zip > > > because > > > I have edk 9.2i, but it was developed with later version of edk. > > > > And here is the mysterious problem yet to be solved!! > > > So I developed a base system and used xps interrupt controller and > > > timer. The MHS file is: > > > > # > > > ############################################################################## > > > # Created by Base System Builder Wizard for Xilinx EDK 9.2 Build > > > EDK_Jm.16 > > > # Sun Nov 16 21:24:15 2008 > > > # Target Board: Xilinx Spartan-3A DSP 1800A Starter Board Rev 1 > > > # Family: spartan3adsp > > > # Device: xc3sd1800a > > > # Package: fg676 > > > # Speed Grade: -4 > > > # Processor: microblaze_0 > > > # System clock frequency: 62.000000 MHz > > > # On Chip Memory : 8 KB > > > # > > > ############################################################################## > > > PARAMETER VERSION = 2.1.0 > > > > PORT fpga_0_RS232_Uart_1_RX_pin = fpga_0_RS232_Uart_1_RX, DIR = I > > > PORT fpga_0_RS232_Uart_1_TX_pin = fpga_0_RS232_Uart_1_TX, DIR = O > > > PORT sys_clk_pin = dcm_clk_s, DIR = I, SIGIS = CLK, CLK_FREQ = > > > 125000000 > > > PORT sys_rst_pin = sys_rst_s, DIR = I, RST_POLARITY = 0, SIGIS = RST > > > PORT dip_GPIO_in_pin = dip_GPIO_in, DIR = I, VEC = [0:7] > > > PORT push_GPIO_in_pin = push_GPIO_in, DIR = I, VEC = [0:3] > > > PORT led_GPIO_IO_pin = led_GPIO_IO, DIR = IO, VEC = [0:7] > > > > BEGIN microblaze > > > PARAMETER HW_VER = 7.00.a > > > PARAMETER INSTANCE = microblaze_0 > > > PARAMETER C_INTERCONNECT = 1 > > > PARAMETER C_DEBUG_ENABLED = 1 > > > PARAMETER C_AREA_OPTIMIZED = 1 > > > BUS_INTERFACE DLMB = dlmb > > > BUS_INTERFACE ILMB = ilmb > > > BUS_INTERFACE DPLB = mb_plb > > > BUS_INTERFACE IPLB = mb_plb > > > BUS_INTERFACE DEBUG = microblaze_0_dbg > > > PORT RESET = mb_reset > > > PORT INTERRUPT = Interrupt > > > END > > > > BEGIN plb_v46 > > > PARAMETER INSTANCE = mb_plb > > > PARAMETER HW_VER = 1.00.a > > > PORT PLB_Clk = sys_clk_s > > > PORT SYS_Rst = sys_bus_reset > > > END > > > > BEGIN lmb_v10 > > > PARAMETER INSTANCE = ilmb > > > PARAMETER HW_VER = 1.00.a > > > PORT LMB_Clk = sys_clk_s > > > PORT SYS_Rst = sys_bus_reset > > > END > > > > BEGIN lmb_v10 > > > PARAMETER INSTANCE = dlmb > > > PARAMETER HW_VER = 1.00.a > > > PORT LMB_Clk = sys_clk_s > > > PORT SYS_Rst = sys_bus_reset > > > END > > > > BEGIN lmb_bram_if_cntlr > > > PARAMETER INSTANCE = dlmb_cntlr > > > PARAMETER HW_VER = 2.10.a > > > PARAMETER C_BASEADDR = 0x00000000 > > > PARAMETER C_HIGHADDR = 0x00003fff > > > BUS_INTERFACE SLMB = dlmb > > > BUS_INTERFACE BRAM_PORT = dlmb_port > > > END > > > > BEGIN lmb_bram_if_cntlr > > > PARAMETER INSTANCE = ilmb_cntlr > > > PARAMETER HW_VER = 2.10.a > > > PARAMETER C_BASEADDR = 0x00000000 > > > PARAMETER C_HIGHADDR = 0x00003fff > > > BUS_INTERFACE SLMB = ilmb > > > BUS_INTERFACE BRAM_PORT = ilmb_port > > > END > > > > BEGIN bram_block > > > PARAMETER INSTANCE = lmb_bram > > > PARAMETER HW_VER = 1.00.a > > > BUS_INTERFACE PORTA = ilmb_port > > > BUS_INTERFACE PORTB = dlmb_port > > > END > > > > BEGIN xps_uartlite > > > PARAMETER INSTANCE = RS232_Uart_1 > > > PARAMETER HW_VER = 1.00.a > > > PARAMETER C_BAUDRATE = 115200 > > > PARAMETER C_ODD_PARITY = 0 > > > PARAMETER C_USE_PARITY = 0 > > > PARAMETER C_SPLB_CLK_FREQ_HZ = 62500000 > > > PARAMETER C_BASEADDR = 0x84000000 > > > PARAMETER C_HIGHADDR = 0x8400ffff > > > BUS_INTERFACE SPLB = mb_plb > > > PORT RX = fpga_0_RS232_Uart_1_RX > > > PORT TX = fpga_0_RS232_Uart_1_TX > > > END > > > > BEGIN clock_generator > > > PARAMETER INSTANCE = clock_generator_0 > > > PARAMETER HW_VER = 1.00.a > > > PARAMETER C_EXT_RESET_HIGH = 1 > > > PARAMETER C_CLKIN_FREQ = 125000000 > > > PARAMETER C_CLKOUT0_FREQ = 62500000 > > > PARAMETER C_CLKOUT0_PHASE = 0 > > > PARAMETER C_CLKOUT0_GROUP = NONE > > > PORT CLKOUT0 = sys_clk_s > > > PORT CLKIN = dcm_clk_s > > > PORT LOCKED = Dcm_all_locked > > > PORT RST = net_gnd > > > END > > > > BEGIN mdm > > > PARAMETER INSTANCE = debug_module > > > PARAMETER HW_VER = 1.00.a > > > PARAMETER C_MB_DBG_PORTS = 1 > > > PARAMETER C_USE_UART = 1 > > > PARAMETER C_UART_WIDTH = 8 > > > PARAMETER C_BASEADDR = 0x84400000 > > > PARAMETER C_HIGHADDR = 0x8440ffff > > > BUS_INTERFACE SPLB = mb_plb > > > BUS_INTERFACE MBDEBUG_0 = microblaze_0_dbg > > > PORT Debug_SYS_Rst = Debug_SYS_Rst > > > END > > > > BEGIN proc_sys_reset > > > PARAMETER INSTANCE = proc_sys_reset_0 > > > PARAMETER HW_VER = 2.00.a > > > PARAMETER C_EXT_RESET_HIGH = 0 > > > PORT Slowest_sync_clk = sys_clk_s > > > PORT Dcm_locked = Dcm_all_locked > > > PORT Ext_Reset_In = sys_rst_s > > > PORT MB_Reset = mb_reset > > > PORT Bus_Struct_Reset = sys_bus_reset > > > PORT MB_Debug_Sys_Rst = Debug_SYS_Rst > > > END > > > > BEGIN xps_gpio > > > PARAMETER INSTANCE = push > > > PARAMETER HW_VER = 1.00.a > > > PARAMETER C_GPIO_WIDTH = 4 > > > PARAMETER C_ALL_INPUTS = 1 > > > PARAMETER C_IS_BIDIR = 0 > > > PARAMETER C_BASEADDR = 0x8141c200 > > > PARAMETER C_HIGHADDR = 0x8141c3ff > > > BUS_INTERFACE SPLB = mb_plb > > > PORT GPIO_in = push_GPIO_in > > > END > > > > BEGIN xps_gpio > > > PARAMETER INSTANCE = dip > > > PARAMETER HW_VER = 1.00.a > > > PARAMETER C_GPIO_WIDTH = 8 > > > PARAMETER C_ALL_INPUTS = 1 > > > PARAMETER C_IS_BIDIR = 0 > > > PARAMETER C_BASEADDR = 0x81420000 > > > PARAMETER C_HIGHADDR = 0x8142ffff > > > BUS_INTERFACE SPLB = mb_plb > > > PORT GPIO_in = dip_GPIO_in > > > END > > > > BEGIN xps_gpio > > > PARAMETER INSTANCE = led > > > PARAMETER HW_VER = 1.00.a > > > PARAMETER C_GPIO_WIDTH = 8 > > > PARAMETER C_IS_BIDIR = 0 > > > PARAMETER C_BASEADDR = 0x81400000 > > > PARAMETER C_HIGHADDR = 0x8140ffff > > > BUS_INTERFACE SPLB = mb_plb > > > PORT GPIO_IO = led_GPIO_IO > > > END > > > > BEGIN xps_timer > > > PARAMETER INSTANCE = xps_timer_0 > > > PARAMETER HW_VER = 1.00.a > > > PARAMETER C_BASEADDR = 0x81418000 > > > PARAMETER C_HIGHADDR = 0x814181ff > > > PARAMETER C_ONE_TIMER_ONLY = 1 > > > BUS_INTERFACE SPLB = mb_plb > > > PORT Interrupt = xps_timer_0_Interrupt > > > END > > > > BEGIN xps_intc > > > PARAMETER INSTANCE = xps_intc_0 > > > PARAMETER HW_VER = 1.00.a > > > PARAMETER C_BASEADDR = 0x81414000 > > > PARAMETER C_HIGHADDR = 0x814141ff > > > BUS_INTERFACE SPLB = mb_plb > > > PORT Irq = Interrupt > > > PORT Intr = xps_timer_0_Interrupt > > > END > > > > In xps_intc I have connected only timer interrupt to its Intr pin and > > > other interrupts like > > > from push buttons and other are NOT CONNECTED. > > > In the configure ip.. option for xps interrupt controller I could not > > change the no. of interrupt inputs (by default it is 2), as it is set > > to 2 and disabled. > > So I used two timers and connected interrupt pins of these timers to > > interrupt controller just make intr inputs 2. Then again I checked > > with the "timer.c" file from the link, and still the same result: > > Timer example failed !!! > > > This has already taken so many days and problem is becoming more > > mysterious (but frustrating)!!! > > > > Then I used "timer.c" provided in the link (I have not used external > > > DDR2 SDRAM), and the result: > > > > Starting Timer example > > > Timer example FAILED > > > > So, I am really confused here!! > > > > > Click on the hyperlink or enter this URL into your web browser to > > > > retrieve the file. > > > > This file will remain on the server for approximately 5 days from the > > > > date of the upload at which time it will be deleted. Please be sure > > > > to download it before the expiration time. > > > > This file will expire on Dec 1, 2008. > > > > > File Size: 232357 Bytes > > > > > On Nov 26, 12:22 am, bish <bishes...(a)gmail.com> wrote: > > > > > > On Nov 26, 4:58 am, David <simianfe...(a)gmail.com> wrote: > > > > > > > On Nov 26, 2:37 am, bish <bishes...(a)gmail.com> wrote: > > > > > > > > On Nov 25, 12:25 pm, Matthias Alles <REMOVEallesCAPIT...(a)NOeit.SPAMuni- > > > > > > > > kl.de> wrote: > > > > > > > > Hi! > > > > > > > > > I wonder, whether "one_second_flag" is declared as volatile? If not, the > > > > > > > > compiler optimizes your if-statement in the while(1) loop away. You can > > > > > > > > check this by using mb-objdump. > > > > > > > > I tried using the volatile for one_second_flag, still it does not > > > > > > > work. It just prints "the value of count = 1" once in terminal and > > > > > > > nothing happens then. > > > > > > > > > Cheers, > > > > > > > > Matthias > > > > > > > > > bish schrieb: > > > > > > > > > > I am trying to use a timer for regular interrupt in microblaze. I am > > > > > > > > > using edk 9.2i and spartan 3a dsp 1800a. > > > > > > > > > Even following a simple lab example widely used by beginners didn't > > > > > > > > > work:http://users.utcluj.ro/~baruch/ssce/labor/EDK-L5-e.pdf > > > > > > > > > > I have connected all the interrupt ports correctly as evident from the > > > > > > > > > following portion of the mhs file: > > > > > > > > > BEGIN microblaze > > > > > > > > > PARAMETER HW_VER = 7.00.a > > > > > > > > > ........... > > > > > > > > > ........... > > > > > > > > > PORT INTERRUPT = interrupt > > > > > > > > > END > > > > > > > > > > BEGIN xps_timer > > > > > > > > > PARAMETER INSTANCE = delay > > > > > > > > > PARAMETER HW_VER = 1.00.a > > > > > > > > > PARAMETER C_ONE_TIMER_ONLY = 1 > > > > > > > > > PARAMETER C_BASEADDR = 0x8141c200 > > > > > > > > > PARAMETER C_HIGHADDR = 0x8141c3ff > > > > > > > > > BUS_INTERFACE SPLB = mb_plb > > > > > > > > > PORT Interrupt = timer1 > > > > > > > > > PORT CaptureTrig0 = net_gnd > > > > > > > > > END > > > > > > > > > > BEGIN xps_intc > > > > > > > > > PARAMETER INSTANCE = xps_intc_0 > > > ... > > > read more »- Hide quoted text - > > > - Show quoted text -- Hide quoted text - > > > - Show quoted text - > > Hi, > > What compilator options do you use when compiling timer.c? mb-gcc The compiler option for "debug and optimization" is: Debug level: Generate Debug symbols(-g) Optimization Level: No Optimization(-00) > Can you email me the .elf file? I have emailed you with the elf file. > > Göran
From: SUMAN on 10 Dec 2008 10:01 I too had same problem with edk/ise 9.2i. There might be certain bugs in the initial release. After installing service packs (ise sp4, edk sp2), the problem is solved.
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