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cardem: Report the VCC voltage (if supported)

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The SIMtrace2 protocol alwasy contained a field for the VCC voltage,
the cardem firmware just never populated that field, even on those
boards that use the ADC to determine its voltage.

Change-Id: Idcecad553fb36380e916378e1420488acbbfa8e3
This commit is contained in:
Harald Welte
2022-01-26 10:48:51 +01:00
committed by laforge
parent 3a6f1adc2e
commit 20bc014b82
3 changed files with 21 additions and 1 deletions
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10
firmware/libcommon/source/mode_cardemu.c
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@@ -168,6 +168,16 @@ static void card_emu_uart_set_direction(uint8_t uart_chan, bool tx)
#endif
}
int card_emu_get_vcc(uint8_t uart_chan)
{
struct cardem_inst *ci = &cardem_inst[uart_chan];
#ifdef DETECT_VCC_BY_ADC
return ci->vcc_uv / 1000;
#else
return -1;
#endif
}
/* call-back from card_emu.c to enable/disable transmit and/or receive */
void card_emu_uart_enable(uint8_t uart_chan, uint8_t rxtx)
{