git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1271 35acf78f-673a-0410-8e92-d51de3d6d3f4
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@ -41,13 +41,6 @@ static msg_t Thread1(void *arg) {
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return 0;
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}
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static SPIConfig spicfg = {
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16, IOPORT1, 4, 0
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};
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static uint8_t txbuf[8] = {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF};
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static uint8_t rxbuf[8];
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/*
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* Entry point, note, the main() function is already a thread in the system
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* on entry.
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@ -67,14 +60,6 @@ int main(int argc, char **argv) {
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*/
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chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
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palSetPadMode(IOPORT1, 4, PAL_MODE_OUTPUT_PUSHPULL);
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palSetPad(IOPORT1, 4);
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spiStart(&SPID1, &spicfg);
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spiSelect(&SPID1);
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spiExchange(&SPID1, 8, txbuf, rxbuf);
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spiUnselect(&SPID1);
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spiStop(&SPID1);
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/*
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* Normal main() thread activity, in this demo it does nothing except
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* sleeping in a loop and check the button state.
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14
os/io/spi.c
14
os/io/spi.c
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@ -60,13 +60,15 @@ void spiObjectInit(SPIDriver *spip) {
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void spiStart(SPIDriver *spip, const SPIConfig *config) {
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chDbgCheck((spip != NULL) && (config != NULL), "spiStart");
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chSysLock();
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chDbgAssert((spip->spd_state == SPI_STOP) || (spip->spd_state == SPI_READY),
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"spiStart(), #1",
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"invalid state");
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spip->spd_config = config;
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spi_lld_start(spip);
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spip->spd_state = SPI_READY;
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chSysUnlock();
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}
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/**
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@ -77,12 +79,14 @@ void spiStart(SPIDriver *spip, const SPIConfig *config) {
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void spiStop(SPIDriver *spip) {
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chDbgCheck(spip != NULL, "spiStop");
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chSysLock();
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chDbgAssert((spip->spd_state == SPI_STOP) || (spip->spd_state == SPI_READY),
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"spiStop(), #1",
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"invalid state");
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spi_lld_stop(spip);
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spip->spd_state = SPI_STOP;
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chSysUnlock();
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}
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/**
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@ -94,12 +98,13 @@ void spiSelect(SPIDriver *spip) {
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chDbgCheck(spip != NULL, "spiSelect");
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chSysLock();
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chDbgAssert(spip->spd_state == SPI_READY,
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"spiSelect(), #1",
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"not idle");
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spi_lld_select(spip);
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spip->spd_state = SPI_ACTIVE;
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chSysUnlock();
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}
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/**
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@ -112,12 +117,13 @@ void spiUnselect(SPIDriver *spip) {
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chDbgCheck(spip != NULL, "spiUnselect");
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chSysLock();
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chDbgAssert(spip->spd_state == SPI_ACTIVE,
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"spiUnselect(), #1",
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"not locked");
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spi_lld_unselect(spip);
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spip->spd_state = SPI_READY;
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chSysUnlock();
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}
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/**
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