You are here: start » boards » demov1

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision 		Previous revision
boards:demov1 [2022/11/13 12:19]
darron [Setup] 		boards:demov1 [2022/11/21 13:48] (current)
darron
Line 5: Line 5:
 {{:boards:demov1-test.jpg?200|J-Link test with J-Link EDU Mini}} {{:boards:demov1-test.jpg?200|J-Link test with J-Link EDU Mini}}
 \\ \\ \\ \\
-{{:boards:demov1-test2.jpg?200|OpenOCD test with J-Link CLONE}}+{{:boards:demov1-test3.jpg?200|OpenOCD test with J-Link CLONE}}
 \\ \\ \\ \\
 {{boards:stm32f030.png?200|Pinout}} {{boards:stm32f030.png?200|Pinout}}
Line 53: Line 53:
 SPI1 MISO PA6 SPI1 MISO PA6
 SPI1 MOSI PA7 SPI1 MOSI PA7
 +</code>
 +
 +===Clocks===
 +
 +<code>
 +HSE 8000000 X1 8MHz
 +HSI 8000000
 +LSE 0       N/A
 +LSI 32768
 </code> </code>
  
 === Power === === Power ===
-Power is supplied on the USB socket which feeds a 3V3 LDO regulator. The USB socket does not support I/O, it's only for powering the device. 
  
-=== Setup ===+Power is supplied on the USB socket or the 5V pins. This feeds a 3V3 LDO regulator. 
 + 
 +The USB socket does not support I/O, it's only for powering the device. 
 + 
 +=== Test ===
  
 For testing this board use a [[interfaces:ftdi|UM232R]] for power, serial comms, For testing this board use a [[interfaces:ftdi|UM232R]] for power, serial comms,
 reset and a source or external interrupt. Picocom is used to control the reset reset and a source or external interrupt. Picocom is used to control the reset
-pin and provide a pulse for testing exti.+pin and provide a pulse for testing STM32 EXTI.
  
-For programming, use [[tools:segger|J-Link]] device or [[tools:openocd|OpenOCD]].+For programming, use [[tools:segger|J-Link]] or [[tools:openocd|OpenOCD]].
  
 ==Wiring== ==Wiring==
Line 77: Line 89:
    |        |USB-----------5V    |        |USB-----------5V
    +--------+    +--------+
 +   +--------+
 +USB| JLINK/ |DIO-----------DIO
 +   | CLONE  |CLK-----------CLK
 +   +--------+   
        
-USB on left is RPi host and USB on right is USB bus power pin.+USB on left is RPi host and USB on right is USB 5V pin on UM232R.
 </code> </code>
  
 ==Comms== ==Comms==
 +
 +The lower-rts option to picocom will take the board out of
 +reset and run the program.
  
 <code> <code>
-picocom -b 115200 /dev/ttyUSB0+picocom --quiet --lower-rts -b 115200 /dev/ttyUSB0
 </code> </code>
 +
 +From the RS232 perspective RTS is inverted so when picocom takes
 +the line low, it's actually a high logical output and the board
 +is taken out of reset.
  
 ==Reset== ==Reset==
  
-CTRL A CTRL G will change the RTS line state from high to low. +Picocom CTRL A CTRL G will toggle the RTS line state. 
-From the RS232 perspective it's inverted so when picocom says + 
-the line is low, it's actually a high output and the device +==Reboot== 
-is out of reset.+ 
 +If the board is sleeping, picocom can reboot the board to prepare 
 +it for new programming. 
 + 
 +<code> 
 +picocom --quiet --lower-rts --baud 115200 --exit-after 0 /dev/ttyUSB0 
 +</code>
  
 ==Pulse== ==Pulse==
  
-CTRL A CTRL P will pulse the DTR pin from low to high for +Picocom CTRL A CTRL P will pulse the DTR pin from low to high for 
-1 second. +1 second to test EXTI high or low edge. 
-=== Test ===+ 
 +=== Programming ===
  
-Test SWD with J-Link and OpenOCD.+Use SWD with J-Link or OpenOCD.
  
 ==J-Link== ==J-Link==