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authorNicolas Schodet2009-04-25 13:25:02 +0200
committerNicolas Schodet2009-04-25 13:25:02 +0200
commit3bcb94442a3733d39a5227a0c62cd236dd99c046 (patch)
treef8522b9722a0b643192fc60f7aaf9c2bc3ed18c3 /digital/avr/modules/spi/spi_soft.avr.c
parenta21c122435b22457399624a60dbca442d0c3588e (diff)
* digital/avr/modules/spi:
- added comment about GPIO settings. - added uninit.
Diffstat (limited to 'digital/avr/modules/spi/spi_soft.avr.c')
-rw-r--r--digital/avr/modules/spi/spi_soft.avr.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/digital/avr/modules/spi/spi_soft.avr.c b/digital/avr/modules/spi/spi_soft.avr.c
index d73b4de8..c16c732c 100644
--- a/digital/avr/modules/spi/spi_soft.avr.c
+++ b/digital/avr/modules/spi/spi_soft.avr.c
@@ -59,6 +59,16 @@ spi_soft_init_ (uint8_t speed)
}
void
+spi_soft_uninit (void)
+{
+ /* Reset GPIO configuration. */
+ IO_PORT (SPI_MISO_IO) &= ~IO_BV (SPI_MISO_IO);
+ IO_DDR (SPI_MOSI_IO) &= ~IO_BV (SPI_MOSI_IO);
+ IO_PORT (SPI_MOSI_IO) &= ~IO_BV (SPI_MOSI_IO);
+ IO_DDR (SPI_SCK_IO) &= ~IO_BV (SPI_SCK_IO);
+}
+
+void
spi_soft_send (uint8_t data)
{
spi_soft_send_and_recv (data);