diff options
| author | Daniel Friesel <derf@finalrewind.org> | 2018-10-26 08:58:18 +0200 |
|---|---|---|
| committer | Daniel Friesel <derf@finalrewind.org> | 2018-10-26 08:58:18 +0200 |
| commit | 63cbb8facd9d9dc016f902bb312283f0b5f8d055 (patch) | |
| tree | 2471edebf2eedade22ad8062169765204ec48630 /src/arch/msp430fr5969lp | |
| parent | 6c5fc03b3e00d93d87511ad50396808913ef17f9 (diff) | |
Merge SoftI2C timer={0,1} code paths, adjust timing according to I2C spec
It's occasionally slower than specified, but should never be too fast
Diffstat (limited to 'src/arch/msp430fr5969lp')
| -rw-r--r-- | src/arch/msp430fr5969lp/arch.cc | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/arch/msp430fr5969lp/arch.cc b/src/arch/msp430fr5969lp/arch.cc index cde0503..1eb34b5 100644 --- a/src/arch/msp430fr5969lp/arch.cc +++ b/src/arch/msp430fr5969lp/arch.cc @@ -104,8 +104,14 @@ volatile char run_loop = 0; void Arch::delay_us(unsigned int const us) { - for (unsigned int i = 0; i < us/10; i++) { - __delay_cycles(F_CPU / 100000UL); + if (us < 10) { + for (unsigned int i = 0; i < us; i++) { + __delay_cycles(F_CPU / 1000000UL); + } + } else { + for (unsigned int i = 0; i < us/10; i++) { + __delay_cycles(F_CPU / 100000UL); + } } } void Arch::delay_ms(unsigned int const ms) |