diff options
Diffstat (limited to 'testhal/STM32/multi/SPI/main.c')
| -rwxr-xr-x | testhal/STM32/multi/SPI/main.c | 54 |
1 files changed, 44 insertions, 10 deletions
diff --git a/testhal/STM32/multi/SPI/main.c b/testhal/STM32/multi/SPI/main.c index 85328a6a3..d4e5e3e80 100755 --- a/testhal/STM32/multi/SPI/main.c +++ b/testhal/STM32/multi/SPI/main.c @@ -26,6 +26,23 @@ CC_ALIGN(32) static uint8_t txbuf[512];
CC_ALIGN(32) static uint8_t rxbuf[512];
+#if SPI_SUPPORTS_CIRCULAR == TRUE
+/*
+ * SPI callback for circular operations.
+ */
+void spi_circular_cb(SPIDriver *spip) {
+
+ if(spip->state == SPI_COMPLETE) {
+ /* 2nd half.*/
+ palWriteLine(PORTAB_LINE_LED1, PORTAB_LED_OFF);
+ }
+ else {
+ /* 1st half.*/
+ palWriteLine(PORTAB_LINE_LED1, PORTAB_LED_ON);
+ }
+}
+#endif
+
/*
* SPI bus contender 1.
*/
@@ -70,7 +87,6 @@ static THD_FUNCTION(spi_thread_2, p) { }
}
-#if defined(PORTAB_LINE_LED2)
/*
* LED blinker thread, times are in milliseconds.
*/
@@ -79,12 +95,19 @@ static THD_FUNCTION(Thread1, arg) { (void)arg;
chRegSetThreadName("blinker");
while (true) {
- systime_t time = palReadLine(PORTAB_LINE_BUTTON) == PORTAB_BUTTON_PRESSED ? 250 : 500;
+ bool key_pressed = palReadLine(PORTAB_LINE_BUTTON) == PORTAB_BUTTON_PRESSED;
+ systime_t time = key_pressed ? 250 : 500;
+#if SPI_SUPPORTS_CIRCULAR == TRUE
+ if (key_pressed) {
+ spiAbort(&PORTAB_SPI1);
+ }
+#endif
+#if defined(PORTAB_LINE_LED2)
palToggleLine(PORTAB_LINE_LED2);
+#endif
chThdSleepMilliseconds(time);
}
}
-#endif
/*
* Application entry point.
@@ -108,12 +131,30 @@ int main(void) { portab_setup();
/*
+ * Creates the blinker thread.
+ */
+ chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
+
+ /*
* Prepare transmit pattern.
*/
for (i = 0; i < sizeof(txbuf); i++)
txbuf[i] = (uint8_t)i;
cacheBufferFlush(&txbuf[0], sizeof txbuf);
+#if SPI_SUPPORTS_CIRCULAR == TRUE
+ /*
+ * Starting a continous operation for test.
+ */
+ spiStart(&PORTAB_SPI1, &c_spicfg); /* Setup transfer parameters. */
+ spiSelect(&PORTAB_SPI1); /* Slave Select assertion. */
+ spiExchange(&PORTAB_SPI1, 512,
+ txbuf, rxbuf); /* Atomic transfer operations. */
+ spiUnselect(&PORTAB_SPI1); /* Slave Select de-assertion. */
+ cacheBufferInvalidate(&txbuf[0], /* Cache invalidation over the */
+ sizeof txbuf);/* buffer. */
+#endif
+
/*
* Starting the transmitter and receiver threads.
*/
@@ -122,13 +163,6 @@ int main(void) { chThdCreateStatic(spi_thread_2_wa, sizeof(spi_thread_2_wa),
NORMALPRIO + 1, spi_thread_2, NULL);
-#if defined(PORTAB_LINE_LED2)
- /*
- * Creates the blinker thread.
- */
- chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
-#endif
-
/*
* Normal main() thread activity, in this demo it does nothing.
*/
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