diff options
Diffstat (limited to 'firmware/libcommon/source/mode_cardemu.c')
| -rw-r--r-- | firmware/libcommon/source/mode_cardemu.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/firmware/libcommon/source/mode_cardemu.c b/firmware/libcommon/source/mode_cardemu.c index 57d541b..76b3a01 100644 --- a/firmware/libcommon/source/mode_cardemu.c +++ b/firmware/libcommon/source/mode_cardemu.c @@ -1,6 +1,7 @@ /* card emulation mode * * (C) 2015-2017 by Harald Welte <laforge@gnumonks.org> + * (C) 2018 by sysmocom -s.f.m.c. GmbH, Author: Kevin Redon <kredon@sysmocom.de> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -98,15 +99,11 @@ struct cardem_inst cardem_inst[] = { static Usart *get_usart_by_chan(uint8_t uart_chan) { - switch (uart_chan) { - case 0: - return USART1; -#ifdef CARDEMU_SECOND_UART - case 1: - return USART0; -#endif + if (uart_chan < ARRAY_SIZE(cardem_inst)) { + return cardem_inst[uart_chan].usart_info.base; + } else { + return NULL; } - return NULL; } /*********************************************************************** @@ -244,6 +241,20 @@ int card_emu_uart_update_fidi(uint8_t uart_chan, unsigned int fidi) return 0; } +/* call-back from card_emu.c to force a USART interrupt */ +void card_emu_uart_interrupt(uint8_t uart_chan) +{ + Usart *usart = get_usart_by_chan(uart_chan); + if (!usart) { + return; + } + if (USART0 == usart) { + NVIC_SetPendingIRQ(USART0_IRQn); + } else if (USART1 == usart) { + NVIC_SetPendingIRQ(USART1_IRQn); + } +} + /*********************************************************************** * ADC for VCC voltage detection ***********************************************************************/ |