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Fix for building GPIO example without ST/auto-detect. Cleanup obsolete `txBuf[4] = 0x00;` replaced with SPI check wait state logic.

pull/162/head
David Garske 2021-05-03 14:37:16 -07:00
parent 2f00a4b735
commit d672e36b2f
5 changed files with 17 additions and 17 deletions
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2
examples/gpio/gpio.h
View File

@ -26,8 +26,10 @@
extern "C" {
#endif
#if defined(WOLFTPM_ST33) || defined(WOLFTPM_AUTODETECT)
#define GPIO_NUM_MIN TPM_GPIO_A
#define GPIO_NUM_MAX (TPM_GPIO_COUNT-1) /* see wolftpm/tpm2.h */
#endif
int TPM2_GPIO_Config_Example(void* userCtx, int argc, char *argv[]);
int TPM2_GPIO_Read_Example(void* userCtx, int argc, char *argv[]);

8
examples/gpio/gpio_read.c
View File

@ -35,7 +35,8 @@
#include <stdio.h>
#include <stdlib.h>
#ifndef WOLFTPM2_NO_WRAPPER
#if !defined(WOLFTPM2_NO_WRAPPER) && \
(defined(WOLFTPM_ST33) || defined(WOLFTPM_AUTODETECT))
/******************************************************************************/
/* --- BEGIN TPM GPIO Read Example -- */
@ -117,14 +118,15 @@ exit:
/******************************************************************************/
/* --- END TPM GPIO Store Example -- */
/******************************************************************************/
#endif /* !WOLFTPM2_NO_WRAPPER */
#endif /* !WOLFTPM2_NO_WRAPPER && (WOLFTPM_ST33 || WOLFTPM_AUTODETECT) */
#ifndef NO_MAIN_DRIVER
int main(int argc, char *argv[])
{
int rc = NOT_COMPILED_IN;
#ifndef WOLFTPM2_NO_WRAPPER
#if !defined(WOLFTPM2_NO_WRAPPER) && \
(defined(WOLFTPM_ST33) || defined(WOLFTPM_AUTODETECT))
rc = TPM2_GPIO_Read_Example(NULL, argc, argv);
#else
printf("GPIO code not compiled in\n");

8
examples/gpio/gpio_set.c
View File

@ -34,7 +34,8 @@
#include <stdio.h>
#include <stdlib.h>
#ifndef WOLFTPM2_NO_WRAPPER
#if !defined(WOLFTPM2_NO_WRAPPER) && \
(defined(WOLFTPM_ST33) || defined(WOLFTPM_AUTODETECT))
/******************************************************************************/
/* --- BEGIN TPM GPIO Set Example -- */
@ -122,14 +123,15 @@ exit:
/******************************************************************************/
/* --- END TPM GPIO Set Example -- */
/******************************************************************************/
#endif /* !WOLFTPM2_NO_WRAPPER */
#endif /* !WOLFTPM2_NO_WRAPPER && (WOLFTPM_ST33 || WOLFTPM_AUTODETECT) */
#ifndef NO_MAIN_DRIVER
int main(int argc, char *argv[])
{
int rc = NOT_COMPILED_IN;
#ifndef WOLFTPM2_NO_WRAPPER
#if !defined(WOLFTPM2_NO_WRAPPER) && \
(defined(WOLFTPM_ST33) || defined(WOLFTPM_AUTODETECT))
rc = TPM2_GPIO_Set_Example(NULL, argc, argv);
#else
printf("GPIO code not compiled in\n");

14
examples/tpm_io.c
View File

@ -872,23 +872,19 @@ int TPM2_IoCb(TPM2_CTX* ctx, int isRead, word32 addr, byte* buf, word16 size,
(void)userCtx;
#endif
#else
/* Build SPI format buffer */
/* Build TPM header */
txBuf[1] = (addr>>16) & 0xFF;
txBuf[2] = (addr>>8) & 0xFF;
txBuf[3] = (addr) & 0xFF;
if (isRead) {
txBuf[0] = TPM_TIS_READ | ((size & 0xFF) - 1);
txBuf[1] = (addr>>16) & 0xFF;
txBuf[2] = (addr>>8) & 0xFF;
txBuf[3] = (addr) & 0xFF;
txBuf[4] = 0x00;
XMEMSET(&txBuf[TPM_TIS_HEADER_SZ], 0, size);
}
else {
txBuf[0] = TPM_TIS_WRITE | ((size & 0xFF) - 1);
txBuf[1] = (addr>>16) & 0xFF;
txBuf[2] = (addr>>8) & 0xFF;
txBuf[3] = (addr) & 0xFF;
txBuf[4] = 0x00;
XMEMCPY(&txBuf[TPM_TIS_HEADER_SZ], buf, size);
}
XMEMSET(rxBuf, 0, sizeof(rxBuf));
ret = TPM2_IoCb_SPI(ctx, txBuf, rxBuf, size + TPM_TIS_HEADER_SZ, userCtx);

2
src/tpm2_tis.c
View File

@ -194,7 +194,6 @@ int TPM2_TIS_Read(TPM2_CTX* ctx, word32 addr, byte* result,
txBuf[1] = (addr>>16) & 0xFF;
txBuf[2] = (addr>>8) & 0xFF;
txBuf[3] = (addr) & 0xFF;
txBuf[4] = 0x00;
XMEMSET(&txBuf[TPM_TIS_HEADER_SZ], 0, len);
XMEMSET(rxBuf, 0, sizeof(rxBuf));
@ -230,7 +229,6 @@ int TPM2_TIS_Write(TPM2_CTX* ctx, word32 addr, const byte* value,
txBuf[1] = (addr>>16) & 0xFF;
txBuf[2] = (addr>>8) & 0xFF;
txBuf[3] = (addr) & 0xFF;
txBuf[4] = 0x00;
XMEMCPY(&txBuf[TPM_TIS_HEADER_SZ], value, len);
XMEMSET(rxBuf, 0, sizeof(rxBuf));