mirror of https://github.com/FOME-Tech/fome-fw.git
58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
/**
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*
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* TLE8888 driver
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*
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* at the moment only Enable Outputs is implemented - this command is needed to get parallel control pins
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*
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* @date Mar 25, 2019
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* @author Andrey Belomutskiy, (c) 2012-2019
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*/
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#include "engine.h"
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#include "tle8888.h"
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#include "hardware.h"
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/**
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* 15.2 SPI Frame Definition
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*
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*/
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#define Cmd_write_access 1
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#define CmdOE 0x1C
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#define DATA_OE_ENABLE 0b00000010
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static unsigned char tx_buff[2];
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EXTERN_ENGINE;
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static SPIDriver *driver;
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static OutputPin tle8888Cs;
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static SPIConfig spiConfig = { /* end_cb */ NULL,
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/* HW dependent part.*/
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/* ssport */ NULL, /* sspad */ 0, /* cr1 */ SPI_CR1_MSTR | SPI_CR1_CPHA, /* cr2*/ 0 };
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void initTle8888(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
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if (engineConfiguration->tle8888_cs == GPIO_UNASSIGNED) {
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return;
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}
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tle8888Cs.initPin("tle8888 CS", engineConfiguration->tle8888_cs,
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&engineConfiguration->tle8888_csPinMode);
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spiConfig.cr1 += getSpiPrescaler(_150KHz, engineConfiguration->tle8888spiDevice);
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driver = getSpiDevice(engineConfiguration->tle8888spiDevice);
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// todo: reuse initSpiCs method?
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spiConfig.ssport = getHwPort("tle8888", engineConfiguration->tle8888_cs);
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spiConfig.sspad = getHwPin("tle8888", engineConfiguration->tle8888_cs);
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spiStart(driver, &spiConfig);
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tx_buff[0] = Cmd_write_access + CmdOE;
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tx_buff[1] = DATA_OE_ENABLE;
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// todo: extract 'sendSync' method?
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spiSelect(driver);
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spiSend(driver, 2, tx_buff);
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spiUnselect(driver);
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}
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