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| author | Florian Jung <flo@windfisch.org> | 2016-01-24 23:10:24 +0100 |
|---|---|---|
| committer | Florian Jung <flo@windfisch.org> | 2016-01-24 23:10:24 +0100 |
| commit | ed35d40a612633c3545a6cd7e59e3e432c623dfc (patch) | |
| tree | e0bb7619ad1f7da7c33523e0b74e4b542c1eeead /avr/1wire.c | |
| parent | 07ce2df5da6265702e1d99556f46139f8b5b8611 (diff) | |
actually commit the write
Diffstat (limited to 'avr/1wire.c')
| -rw-r--r-- | avr/1wire.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/avr/1wire.c b/avr/1wire.c index 54c8dcc..72722df 100644 --- a/avr/1wire.c +++ b/avr/1wire.c @@ -238,6 +238,16 @@ uint8_t ds1992_scratch_verify(uint16_t addr, const uint8_t* buf, uint8_t len, ui return status; } +void ds1992_scratch_copy(uint16_t addr, uint8_t es_reg) +{ + w1_byte_wr(SKIP_ROM); + w1_byte_wr(0x55); // copy scratchpad to memory + w1_byte_wr((addr & 0x00FF)); + w1_byte_wr((addr & 0xFF00) >> 8); + w1_byte_wr(es_reg); + + while(w1_byte_rd() != 0); +} void w1_command( uint8_t command, uint8_t *id ) { |