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52 lines
1.3 KiB
52 lines
1.3 KiB
#include <stdint.h>
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#include "usbdrv/usbdrv.h"
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#include "main.h"
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#include "spi_proto.h"
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#include "usb.h"
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usbMsgLen_t usbFunctionSetup(uchar data[8]) {
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usbRequest_t *rq = (void *)data;
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static uchar dataBuffer[5];
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if(rq->bRequest == 100) {
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dataBuffer[0] = (thermoData [0] & 0xff00)>>8;
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dataBuffer[1] = thermoData [0] & 0x00ff;
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dataBuffer[2] = (thermoData [1] & 0xff00)>>8;
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dataBuffer[3] = thermoData [1] & 0x00ff;
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usbMsgPtr = dataBuffer;
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return 4;
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} else if(rq->bRequest == 101) {
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dataBuffer[0] = (thermoData [2] & 0xff00)>>8;
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dataBuffer[1] = thermoData [2] & 0x00ff;
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dataBuffer[2] = (thermoData [3] & 0xff00)>>8;
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dataBuffer[3] = thermoData [3] & 0x00ff;
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usbMsgPtr = dataBuffer;
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return 4;
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} else {
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uint8_t opcode = (uint8_t) ((rq->bRequest & 0xff00)>>8);
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uint8_t addr = (uint8_t) rq->wValue.bytes[0];
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uint8_t valH = (uint8_t) rq->wIndex.bytes[0];
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uint8_t valL = (uint8_t) rq->wIndex.bytes[1];
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uint16_t send = (valH << 8) | valL;
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// uint16_t recv = spi_master_communicate(opcode, addr, send);
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dataBuffer[0] = opcode;
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dataBuffer[1] = addr;
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dataBuffer[2] = valH;
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dataBuffer[3] = valL;
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spi_mst_start_packet();
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spi_mst_write_read(5,dataBuffer);
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spi_mst_end_packet();
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usbMsgPtr = dataBuffer+1;
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return 4;
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}
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return 0;
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}
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