mirror of https://github.com/noisymime/Arduino.git
88 lines
2.4 KiB
C++
88 lines
2.4 KiB
C++
#ifndef SPI_Drv_h
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#define SPI_Drv_h
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#include <inttypes.h>
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#include "wifi_spi.h"
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#define WAIT_CHAR_DELAY 100
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#define TIMEOUT_CHAR_DELAY 10
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#define TIMEOUT_READY_SLAVE 1000
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#define SPI_TX_DELAY 5
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#define SPI_START_CMD_DELAY 10
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#define NO_LAST_PARAM 0
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#define LAST_PARAM 1
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#define DUMMY_DATA 0xFF
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#define WAIT_FOR_SLAVE_SELECT() \
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SpiDrv::waitForSlaveReady(); \
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SpiDrv::spiSlaveSelect(); \
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delayMicroseconds(SPI_TX_DELAY);
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class SpiDrv
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{
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private:
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static bool waitSlaveReady();
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public:
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static void begin();
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static void end();
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static void spiDriverInit();
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static void spiSlaveSelect();
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static void spiSlaveDeselect();
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static char spiTransfer(volatile char data);
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static void waitForSlaveReady();
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static int waitSpiChar(char waitChar, char* readChar);
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static int waitSpiChar(unsigned char waitChar);
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static int readAndCheckChar(char checkChar, char* readChar);
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static char readChar();
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static int waitResponseParams(uint8_t cmd, uint8_t numParam, tParam* params);
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static int waitResponseCmd(uint8_t cmd, uint8_t numParam, uint8_t* param, uint8_t* param_len);
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static int waitResponseData8(uint8_t cmd, uint8_t* param, uint8_t* param_len);
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static int waitResponseData16(uint8_t cmd, uint8_t* param, uint16_t* param_len);
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/*
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static int waitResponse(uint8_t cmd, tParam* params, uint8_t* numParamRead, uint8_t maxNumParams);
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static int waitResponse(uint8_t cmd, uint8_t numParam, uint8_t* param, uint16_t* param_len);
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*/
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static int waitResponse(uint8_t cmd, uint8_t* numParamRead, uint8_t** params, uint8_t maxNumParams);
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static void sendParam(uint8_t* param, uint8_t param_len, uint8_t lastParam = NO_LAST_PARAM);
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static void sendParamLen8(uint8_t param_len);
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static void sendParamLen16(uint16_t param_len);
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static uint8_t readParamLen8(uint8_t* param_len = NULL);
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static uint16_t readParamLen16(uint16_t* param_len = NULL);
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static void sendBuffer(uint8_t* param, uint16_t param_len, uint8_t lastParam = NO_LAST_PARAM);
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static void sendParam(uint16_t param, uint8_t lastParam = NO_LAST_PARAM);
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static void sendCmd(uint8_t cmd, uint8_t numParam);
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};
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extern SpiDrv spiDrv;
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#endif
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