|From:||Prof. Dr.-Ing. Heinrich Warmers|
|Subject:||Re: [Paparazzi-devel] olimex stm32f405 bootloader strange behaviour|
|Date:||Tue, 04 Nov 2014 18:18:45 +0100|
|User-agent:||Mozilla/5.0 (Windows; U; Windows NT 5.0; de-DE; rv:1.4) Gecko/20030619 Netscape/7.1 (ax)|
i have the olimex stm32f405 with apogee software the running.
First you have to make changes for the other oscillator frequency the get the correct baud rate of the UARTs.
Without this changes the time base has an error of the factor 2.
The resonator frequency is 8 MHz. the apogee has an 16 MHz one.
in apogee_1.0.h EXT_CLK 8 000 000.
I add a push button switch which set 3.3V to right (in the layout) pad of R1 BOOT0 and the pad below R1 (3.3V).
By pressing the push button the ollimex boot with the DFU-USB.
I made my test without a connection of the GPS-Module and used TX6 and RX6 for telemetry.
Also the paparazzi discovery software was running .
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