amiro-os / components / bus / spi / HWSPIDriver.cpp @ c9fa414d
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| 1 | 58fe0e0b | Thomas Schöpping | #include <hal.h> |
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| 2 | #include <amiro/bus/spi/HWSPIDriver.hpp> |
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| 3 | |||
| 4 | using namespace chibios_rt; |
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| 5 | |||
| 6 | namespace amiro {
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| 7 | |||
| 8 | HWSPIDriver:: |
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| 9 | HWSPIDriver(::SPIDriver *driver, const ::SPIConfig *config) :
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| 10 | driver(driver), |
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| 11 | config(config) {
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| 12 | |||
| 13 | } |
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| 14 | |||
| 15 | HWSPIDriver:: |
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| 16 | ~HWSPIDriver() {
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| 17 | |||
| 18 | |||
| 19 | } |
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| 20 | |||
| 21 | void
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| 22 | HWSPIDriver:: |
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| 23 | exchange(uint8_t *readData, const uint8_t *writeData, size_t length) {
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| 24 | spiAcquireBus(this->driver);
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| 25 | spiStart(this->driver, this->config); |
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| 26 | spiSelect(this->driver);
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| 27 | spiExchange(this->driver, length, writeData, readData);
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| 28 | spiUnselect(this->driver);
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| 29 | spiReleaseBus(this->driver);
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| 30 | } |
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| 31 | |||
| 32 | void
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| 33 | HWSPIDriver:: |
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| 34 | read(uint8_t *data, size_t length) {
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| 35 | spiAcquireBus(this->driver);
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| 36 | spiStart(this->driver, this->config); |
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| 37 | spiSelect(this->driver);
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| 38 | spiReceive(this->driver, length, data);
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| 39 | spiUnselect(this->driver);
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| 40 | spiReleaseBus(this->driver);
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| 41 | } |
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| 42 | |||
| 43 | void
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| 44 | HWSPIDriver:: |
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| 45 | write(const uint8_t *data, size_t length) {
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| 46 | spiAcquireBus(this->driver);
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| 47 | spiStart(this->driver, this->config); |
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| 48 | spiSelect(this->driver);
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| 49 | spiSend(this->driver, length, data);
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| 50 | spiUnselect(this->driver);
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| 51 | spiReleaseBus(this->driver);
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| 52 | } |
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| 53 | |||
| 54 | } /* amiro */ |