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| author | Giovanni Di Sirio <gdisirio@gmail.com> | 2018-01-05 10:08:52 +0000 |
|---|---|---|
| committer | Giovanni Di Sirio <gdisirio@gmail.com> | 2018-01-05 10:08:52 +0000 |
| commit | dff9e162855eaafe4aa6e2d6d9f4ad48a0ac85a5 (patch) | |
| tree | 5e70924c52529e39aa171492351a49e2804b9710 /testhal/STM32 | |
| parent | 58613c9052eed88a010eb8bf42ade514655c904e (diff) | |
| download | ChibiOS-dff9e162855eaafe4aa6e2d6d9f4ad48a0ac85a5.tar.gz ChibiOS-dff9e162855eaafe4aa6e2d6d9f4ad48a0ac85a5.tar.bz2 ChibiOS-dff9e162855eaafe4aa6e2d6d9f4ad48a0ac85a5.zip | |
SPI driver works, probably optimizations are possible.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11226 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'testhal/STM32')
| -rwxr-xr-x | testhal/STM32/multi/SPI/main.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/testhal/STM32/multi/SPI/main.c b/testhal/STM32/multi/SPI/main.c index fd1d74250..f41e17fc0 100755 --- a/testhal/STM32/multi/SPI/main.c +++ b/testhal/STM32/multi/SPI/main.c @@ -41,6 +41,8 @@ static THD_FUNCTION(spi_thread_1, p) { spiExchange(&PORTAB_SPI1, 512,
txbuf, rxbuf); /* Atomic transfer operations. */
spiUnselect(&PORTAB_SPI1); /* Slave Select de-assertion. */
+ dmaBufferInvalidate(&txbuf[0], /* Cache invalidation over the */
+ sizeof txbuf); /* buffer. */
spiReleaseBus(&PORTAB_SPI1); /* Ownership release. */
}
}
@@ -61,6 +63,8 @@ static THD_FUNCTION(spi_thread_2, p) { spiExchange(&PORTAB_SPI1, 512,
txbuf, rxbuf); /* Atomic transfer operations. */
spiUnselect(&PORTAB_SPI1); /* Slave Select de-assertion. */
+ dmaBufferInvalidate(&txbuf[0], /* Cache invalidation over the */
+ sizeof txbuf); /* buffer. */
spiReleaseBus(&PORTAB_SPI1); /* Ownership release. */
}
}
@@ -107,6 +111,7 @@ int main(void) { */
for (i = 0; i < sizeof(txbuf); i++)
txbuf[i] = (uint8_t)i;
+ dmaBufferFlush(&txbuf[0], sizeof txbuf);
/*
* Starting the transmitter and receiver threads.
|