diff options
Diffstat (limited to 'src/arch/msp430fr5994lp/driver/stdin.cc')
-rw-r--r-- | src/arch/msp430fr5994lp/driver/stdin.cc | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/arch/msp430fr5994lp/driver/stdin.cc b/src/arch/msp430fr5994lp/driver/stdin.cc new file mode 100644 index 0000000..cc6e586 --- /dev/null +++ b/src/arch/msp430fr5994lp/driver/stdin.cc @@ -0,0 +1,31 @@ +#include "driver/stdin.h" +#include <msp430.h> + +void StandardInput::setup() +{ + UCA0IE |= UCRXIE; +} + +bool StandardInput::hasKey() +{ + if (write_pos != read_pos) { + return true; + } + return false; +} + +char StandardInput::getKey() +{ + char ret = buffer[read_pos++]; + read_pos %= 8; + return ret; +} + +StandardInput kin; + +__attribute__((interrupt(USCI_A0_VECTOR))) __attribute__((wakeup)) void handle_stdin() +{ + if (UCA0IFG & UCRXIFG) { + kin.addKey(UCA0RXBUF); + } +} |