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68 lines
1.3 KiB
C
68 lines
1.3 KiB
C
/*
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* Copyright (c) 2016 Cesanta Software Limited
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* All rights reserved
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*/
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#include "app.h"
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#include "system/debug/sys_debug.h"
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#include "simplelink.h"
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#include "user_params.h"
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P_EVENT_HANDLER g_cc3100_IRQ_handler = NULL;
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void AssertCS() {
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PLIB_PORTS_PinClear(PORTS_ID_0, CS_PORT, CS_PIN);
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}
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void DeassertCS() {
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PLIB_PORTS_PinSet(PORTS_ID_0, CS_PORT, CS_PIN);
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}
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void CC3100_enable() {
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PLIB_PORTS_PinSet(PORTS_ID_0, HIB_PORT, HIB_PIN);
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}
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void CC3100_disable() {
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PLIB_PORTS_PinClear(PORTS_ID_0, HIB_PORT, HIB_PIN);
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}
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Fd_t spi_Open(char *ifName, unsigned long flags) {
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CC3100_disable();
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return 0;
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}
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int spi_Write(Fd_t fd, unsigned char *pBuff, int len) {
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if (len > 512) {
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SYS_PRINT("BUFFER TOO SMALL");
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return 0;
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}
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AssertCS();
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uint8_t dummy[512];
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DRV_SPI0_BufferAddWriteRead(pBuff, dummy, len);
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DRV_SPI_Tasks(sysObj.spiObjectIdx0);
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DeassertCS();
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return len;
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}
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int spi_Read(Fd_t fd, unsigned char *pBuff, int len) {
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if (len > 512) {
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SYS_PRINT("BUFFER TOO SMALL");
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return 0;
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}
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uint8_t dummy[512];
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memset(dummy, 0xFF, len);
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AssertCS();
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DRV_SPI0_BufferAddWriteRead(dummy, pBuff, len);
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DRV_SPI_Tasks(sysObj.spiObjectIdx0);
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DeassertCS();
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return len;
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}
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int registerInterruptHandler(P_EVENT_HANDLER int_handler, void *pValue) {
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(void) pValue;
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g_cc3100_IRQ_handler = int_handler;
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}
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