diff options
| author | Birte Kristina Friesel <derf@finalrewind.org> | 2024-01-27 19:51:48 +0100 |
|---|---|---|
| committer | Birte Kristina Friesel <derf@finalrewind.org> | 2024-01-27 19:51:48 +0100 |
| commit | d4b6bef1c4a6495a4b6fc8ca9f2c438e23754261 (patch) | |
| tree | f8c4085888b38be36a8dfd29f585583613e38124 /src/arch | |
| parent | 2c26e3702413f62649f1aa38a407927df5f6fe30 (diff) | |
msp430fr5969: add UART input on eUSCI_A1
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/msp430fr5969lp/Kconfig | 7 | ||||
| -rw-r--r-- | src/arch/msp430fr5969lp/Makefile.inc | 4 | ||||
| -rw-r--r-- | src/arch/msp430fr5969lp/driver/stdin1.cc | 40 |
3 files changed, 51 insertions, 0 deletions
diff --git a/src/arch/msp430fr5969lp/Kconfig b/src/arch/msp430fr5969lp/Kconfig index 0e7052d..7eba522 100644 --- a/src/arch/msp430fr5969lp/Kconfig +++ b/src/arch/msp430fr5969lp/Kconfig @@ -39,6 +39,13 @@ help RX: P2.1 (eUSCI_A0 / UCA0RXD) select meta_driver_stdin +config arch_msp430fr5969lp_driver_stdin1 +bool "UART Input on eUSCI_A1 / P2.6" +help + RX: P2.6 (eUSCI_A1 / UCA1RXD) +depends on arch_msp430fr5969lp_driver_stdout1 +select meta_driver_stdin1 + config arch_msp430fr5969lp_driver_timer bool "Timer with Interrupts" select meta_driver_timer diff --git a/src/arch/msp430fr5969lp/Makefile.inc b/src/arch/msp430fr5969lp/Makefile.inc index 0412516..6731a37 100644 --- a/src/arch/msp430fr5969lp/Makefile.inc +++ b/src/arch/msp430fr5969lp/Makefile.inc @@ -87,6 +87,10 @@ ifdef CONFIG_arch_msp430fr5969lp_driver_stdin CXX_TARGETS += src/arch/msp430fr5969lp/driver/stdin.cc endif +ifdef CONFIG_arch_msp430fr5969lp_driver_stdin1 + CXX_TARGETS += src/arch/msp430fr5969lp/driver/stdin1.cc +endif + ifdef CONFIG_arch_msp430fr5969lp_driver_i2c CXX_TARGETS += src/arch/msp430fr5969lp/driver/i2c.cc COMMON_FLAGS += -DDRIVER_I2C diff --git a/src/arch/msp430fr5969lp/driver/stdin1.cc b/src/arch/msp430fr5969lp/driver/stdin1.cc new file mode 100644 index 0000000..efb7f90 --- /dev/null +++ b/src/arch/msp430fr5969lp/driver/stdin1.cc @@ -0,0 +1,40 @@ +/* + * Copyright 2020 Birte Kristina Friesel + * + * SPDX-License-Identifier: BSD-2-Clause + */ +#include "driver/stdin1.h" +#include <msp430.h> + +void StandardInput1::setup() +{ + UCA1CTLW0 |= UCSWRST; + P2SEL0 &= ~BIT6; + P2SEL1 |= BIT6; + UCA1CTLW0 &= ~UCSWRST; + UCA1IE |= UCRXIE; +} + +bool StandardInput1::hasKey() +{ + if (write_pos != read_pos) { + return true; + } + return false; +} + +char StandardInput1::getKey() +{ + char ret = buffer[read_pos++]; + read_pos %= bufsize; + return ret; +} + +StandardInput1 kin1; + +__attribute__((interrupt(USCI_A1_VECTOR))) __attribute__((wakeup)) void handle_stdin1() +{ + if (UCA1IFG & UCRXIFG) { + kin1.addKey(UCA1RXBUF); + } +} |