SPC5xx DSPI driver working on SPC563Mxx.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5766 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 28 insertions, 13 deletions

diff --git a/testhal/SPC563Mxx/SPI/main.c b/testhal/SPC563Mxx/SPI/main.c
index b0cbe773b..df186e7e7 100644
--- a/testhal/SPC563Mxx/SPI/main.c
+++ b/testhal/SPC563Mxx/SPI/main.c
@@ -18,15 +18,15 @@
 #include "hal.h"

 

 /*

- * Maximum speed SPI configuration (21MHz, CPHA=0, CPOL=0, MSb first).

+ * Maximum speed SPI configuration.

  */

 static const SPIConfig hs_spicfg = {

   NULL,

   0,

   0,

   SPC5_MCR_PCSIS0,                                              /* MCR.     */

-  SPC5_CTAR_CSSCK_DIV64 | SPC5_CTAR_ASC_DIV64 | SPC5_CTAR_FMSZ(8) |

-  SPC5_CTAR_PBR_PRE2 | SPC5_CTAR_BR_DIV128,                     /* CTAR0.   */

+  SPC5_CTAR_CSSCK_DIV2 | SPC5_CTAR_ASC_DIV2 | SPC5_CTAR_FMSZ(8) |

+  SPC5_CTAR_PBR_PRE2 | SPC5_CTAR_BR_DIV2,                     /* CTAR0.   */

   SPC5_PUSHR_CONT | SPC5_PUSHR_PCS(0)                           /* PUSHR.   */

 };

 

@@ -37,8 +37,9 @@ static const SPIConfig ls_spicfg = {
   NULL,

   0,

   0,

-  0,                                                            /* MCR.     */

-  SPC5_CTAR_FMSZ(8) | SPC5_CTAR_PBR_PRE2 | SPC5_CTAR_BR_DIV256, /* CTAR0.   */

+  SPC5_MCR_PCSIS0,                                              /* MCR.     */

+  SPC5_CTAR_CSSCK_DIV64 | SPC5_CTAR_ASC_DIV64 | SPC5_CTAR_FMSZ(8) |

+  SPC5_CTAR_PBR_PRE2 | SPC5_CTAR_BR_DIV256,                     /* CTAR0.   */

   SPC5_PUSHR_CONT | SPC5_PUSHR_PCS(0)                           /* PUSHR.   */

 };

 

@@ -58,7 +59,7 @@ static msg_t spi_thread_1(void *p) {
   chRegSetThreadName("SPI thread 1");

   while (TRUE) {

     spiAcquireBus(&SPID2);              /* Acquire ownership of the bus.    */

-    palSetPad(PORT11, P11_LED1);        /* LED ON.                          */

+    palClearPad(PORT11, P11_LED1);      /* LED ON.                          */

     spiStart(&SPID2, &hs_spicfg);       /* Setup transfer parameters.       */

     spiSelect(&SPID2);                  /* Slave Select assertion.          */

     spiExchange(&SPID2, 512,

@@ -79,7 +80,7 @@ static msg_t spi_thread_2(void *p) {
   chRegSetThreadName("SPI thread 2");

   while (TRUE) {

     spiAcquireBus(&SPID2);              /* Acquire ownership of the bus.    */

-    palClearPad(PORT11, P11_LED1);      /* LED OFF.                         */

+    palSetPad(PORT11, P11_LED1);        /* LED OFF.                         */

     spiStart(&SPID2, &ls_spicfg);       /* Setup transfer parameters.       */

     spiSelect(&SPID2);                  /* Slave Select assertion.          */

     spiExchange(&SPID2, 512,

@@ -116,19 +117,33 @@ int main(void) {
   for (i = 0; i < sizeof(txbuf); i++)

     txbuf[i] = (uint8_t)i;

 

-  spiStart(&SPID2, &hs_spicfg);

+  /* Starting driver for test.*/

+  spiStart(&SPID2, &ls_spicfg);

   SIU.PCR[102].R = PAL_MODE_OUTPUT_ALTERNATE(1);    /* SCK    */

   SIU.PCR[103].R = PAL_MODE_OUTPUT_ALTERNATE(1);    /* SIN    */

   SIU.PCR[104].R = PAL_MODE_OUTPUT_ALTERNATE(1);    /* SOUT   */

   SIU.PCR[105].R = PAL_MODE_OUTPUT_ALTERNATE(1);    /* PCS[0] */

 

-  spiExchange(&SPID2, 4, txbuf, rxbuf);

-  spiExchange(&SPID2, 4, txbuf, rxbuf);

-  spiExchange(&SPID2, 4, txbuf, rxbuf);

+  /* Testing sending and receiving at the same time.*/

   spiExchange(&SPID2, 4, txbuf, rxbuf);

   spiExchange(&SPID2, 32, txbuf, rxbuf);

   spiExchange(&SPID2, 512, txbuf, rxbuf);

-#if 0

+

+  /* Testing clock pulses without data buffering.*/

+  spiIgnore(&SPID2, 4);

+  spiIgnore(&SPID2, 32);

+

+  /* Testing sending data ignoring incoming data.*/

+  spiSend(&SPID2, 4, txbuf);

+  spiSend(&SPID2, 32, txbuf);

+

+  /* Testing receiving data while sending idle bits (high level).*/

+  spiReceive(&SPID2, 4, rxbuf);

+  spiReceive(&SPID2, 32, rxbuf);

+

+  /* Testing stop procedure.*/

+  spiStop(&SPID2);

+

   /*

    * Starting the transmitter and receiver threads.

    */

@@ -136,7 +151,7 @@ int main(void) {
                     NORMALPRIO + 1, spi_thread_1, NULL);

   chThdCreateStatic(spi_thread_2_wa, sizeof(spi_thread_2_wa),

                     NORMALPRIO + 1, spi_thread_2, NULL);

-#endif

+

   /*

    * Normal main() thread activity, in this demo it does nothing.

    */