diff options
Diffstat (limited to 'os/io/spi.c')
| -rw-r--r-- | os/io/spi.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/os/io/spi.c b/os/io/spi.c index 10eabb87e..11247f24a 100644 --- a/os/io/spi.c +++ b/os/io/spi.c @@ -60,13 +60,15 @@ void spiObjectInit(SPIDriver *spip) { void spiStart(SPIDriver *spip, const SPIConfig *config) {
chDbgCheck((spip != NULL) && (config != NULL), "spiStart");
+
+ chSysLock();
chDbgAssert((spip->spd_state == SPI_STOP) || (spip->spd_state == SPI_READY),
"spiStart(), #1",
"invalid state");
-
spip->spd_config = config;
spi_lld_start(spip);
spip->spd_state = SPI_READY;
+ chSysUnlock();
}
/**
@@ -77,12 +79,14 @@ void spiStart(SPIDriver *spip, const SPIConfig *config) { void spiStop(SPIDriver *spip) {
chDbgCheck(spip != NULL, "spiStop");
+
+ chSysLock();
chDbgAssert((spip->spd_state == SPI_STOP) || (spip->spd_state == SPI_READY),
"spiStop(), #1",
"invalid state");
-
spi_lld_stop(spip);
spip->spd_state = SPI_STOP;
+ chSysUnlock();
}
/**
@@ -94,12 +98,13 @@ void spiSelect(SPIDriver *spip) { chDbgCheck(spip != NULL, "spiSelect");
+ chSysLock();
chDbgAssert(spip->spd_state == SPI_READY,
"spiSelect(), #1",
"not idle");
-
spi_lld_select(spip);
spip->spd_state = SPI_ACTIVE;
+ chSysUnlock();
}
/**
@@ -112,12 +117,13 @@ void spiUnselect(SPIDriver *spip) { chDbgCheck(spip != NULL, "spiUnselect");
+ chSysLock();
chDbgAssert(spip->spd_state == SPI_ACTIVE,
"spiUnselect(), #1",
"not locked");
-
spi_lld_unselect(spip);
spip->spd_state = SPI_READY;
+ chSysUnlock();
}
/**
|