diff options
| author | henryk <henryk@6dc7ffe9-61d6-0310-9af1-9938baff3ed1> | 2007-11-11 04:31:13 +0000 |
|---|---|---|
| committer | henryk <henryk@6dc7ffe9-61d6-0310-9af1-9938baff3ed1> | 2007-11-11 04:31:13 +0000 |
| commit | 948f16ee2071b267646f92861208811b3e8e9853 (patch) | |
| tree | b1a56c2b5f46126e3ca5c2d2db4b2f6b40aba0bd /openpicc/application/da.c | |
| parent | 735f640c80948e7cd4d0aa7533d0898fe4b0f0b4 (diff) | |
Add da_get_value to return the last written value
Add commands to increase and decrease comparator threshold
git-svn-id: https://svn.openpcd.org:2342/trunk@320 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
Diffstat (limited to 'openpicc/application/da.c')
| -rw-r--r-- | openpicc/application/da.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/openpicc/application/da.c b/openpicc/application/da.c index 64cee5b..e645053 100644 --- a/openpicc/application/da.c +++ b/openpicc/application/da.c @@ -26,6 +26,7 @@ #include <lib_AT91SAM7.h> static const AT91PS_SPI spi = AT91C_BASE_SPI; +static u_int8_t last_value; void da_comp_carr(u_int8_t position) { @@ -43,6 +44,12 @@ void da_comp_carr(u_int8_t position) while (!(spi->SPI_SR & AT91C_SPI_TDRE)) { } for (i = 0; i < 0xff; i++) { } AT91F_PIO_SetOutput(AT91C_BASE_PIOA, OPENPICC_PIO_SS2_DT_THRESH); + last_value = position; +} + +u_int8_t da_get_value(void) +{ + return last_value; } void da_init(void) |