SAMB11 megamux UART

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mvdzwaan
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Posted by mvdzwaan: Sat. Mar 25, 2017 - 08:33 PM
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Did anyone have any success in using the megamux values ?

 

I tried to map the UART0 to GPIO 6/7 using

 

config_uart.pin_number_pad[0] = MEGAMUX_LP_GPIO_6_UART0_RXD; 
config_uart.pin_number_pad[1] = MEGAMUX_LP_GPIO_7_UART0_TXD; 
config_uart.pinmux_sel_pad[0] = MUX_LP_GPIO_6_MEGAMUX; 
config_uart.pinmux_sel_pad[1] = MUX_LP_GPIO_7_MEGAMUX; 

 

 

and using UART0 module at uart_init

 

But I get no output.

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Wireless, Bluetooth
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riz-calliope
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Joined: Tue. Sep 6, 2016
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Posted by riz-calliope: Fri. Apr 28, 2017 - 09:42 PM
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Try something more like this (untested but similar to something I just did successfully):

 

config_uart.pin_number_pad[0] = PIN_LP_GPIO_6; 
config_uart.pin_number_pad[1] = PIN_LP_GPIO_7; 
 

config_uart.pinmux_sel_pad[0] = PINMUX_LP_GPIO_6_M_UART0_RXD; 
config_uart.pinmux_sel_pad[1] = PINMUX_LP_GPIO_7_M_UART0_TXD; 

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amario
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Joined: Wed. Sep 12, 2018
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Posted by amario: Wed. Sep 12, 2018 - 06:42 AM
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Thank you for posting this information.  Do you know where I can find documentation on setting megamux options in the Atmel software? Thanks a lot!

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