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ChibiOS
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Wrong DMA initializations. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@14259 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
This commit is contained in:
Giovanni Di Sirio 2021-04-22 08:48:29 +00:00
parent a600cc9c36
commit 570bc7b49b
2 changed files with 19 additions and 2 deletions
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17
demos/RP/RT-RP2040-PICO/main.c
View File

@ -17,6 +17,18 @@
#include "ch.h" #include "ch.h"
#include "hal.h" #include "hal.h"
void spi_cb(SPIDriver *spip) {
(void)spip;
}
SPIConfig spicfg1 = {
.end_cb = spi_cb,
.ssline = 4U,
.SSPCR0 = 0U,
.SSPCPSR = 0U
};
semaphore_t blinker_sem; semaphore_t blinker_sem;
/* /*
@ -58,6 +70,11 @@ int main(void) {
*/ */
palSetLineMode(25U, PAL_MODE_OUTPUT_PUSHPULL | PAL_RP_PAD_DRIVE12); palSetLineMode(25U, PAL_MODE_OUTPUT_PUSHPULL | PAL_RP_PAD_DRIVE12);
/*
* Settin up SPI0.
*/
spiStart(&SPID0, &spicfg1);
/* /*
* Creates the blinker thread. * Creates the blinker thread.
*/ */

4
os/hal/ports/RP/LLD/SPIv1/hal_spi_lld.c
View File

@ -203,8 +203,8 @@ void spi_lld_start(SPIDriver *spip) {
} }
/* DMA setup.*/ /* DMA setup.*/
dmaChannelSetSourceX(spip->dmarx, (uint32_t)&spip->spi->SSPDR); dmaChannelSetDestinationX(spip->dmarx, (uint32_t)&spip->spi->SSPDR);
dmaChannelSetDestinationX(spip->dmatx, (uint32_t)&spip->spi->SSPDR); dmaChannelSetSourceX(spip->dmatx, (uint32_t)&spip->spi->SSPDR);
} }
/* Configuration-dependent DMA settings.*/ /* Configuration-dependent DMA settings.*/