diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/main.c | 11 |
1 files changed, 8 insertions, 3 deletions
@@ -12,7 +12,9 @@ #include <linux/i2c-dev.h> #include <linux/i2c.h> -#include <i2c/smbus.h> +#ifdef WITH_I2C_SMBUS + #include <i2c/smbus.h> +#endif #include <sys/ioctl.h> #include "deftypes.h" @@ -83,10 +85,11 @@ void print_help(void) { __uint8_t *xchg_data (__uint8_t *buf, __uint16_t wrlen, __uint16_t waitlen, __uint16_t rdlen){ //# [buf] = 32 byte +#ifdef WITH_I2C_SMBUS __int32_t data=0; - if( funcs & I2C_FUNC_I2C ){ - + if( funcs & I2C_FUNC_I2C ){ +#endif if(write(devicef, buf, 1) != 1){ //# write one byte to device fprintf (stderr, "I2C write error: [NO: %d, MSG: %s] at %s, line %d. (function: %s)\n", errno, strerror(errno), __FILE__, __LINE__, __func__); } @@ -95,6 +98,7 @@ __uint8_t *xchg_data (__uint8_t *buf, __uint16_t wrlen, __uint16_t waitlen, _ fprintf (stderr, "I2C read error: [NO: %d, MSG: %s] at %s, line %d. (function: %s)\n", errno, strerror(errno), __FILE__, __LINE__, __func__); } +#ifdef WITH_I2C_SMBUS } else if ( funcs && I2C_FUNC_SMBUS_WORD_DATA ){ if(i2c_smbus_write_byte(devicef, buf[0] ) == -1){ //# write one byte to device fprintf (stderr, "I2C write error: [NO: %d, MSG: %s] at %s, line %d. (function: %s)\n", errno, strerror(errno), __FILE__, __LINE__, __func__); @@ -107,6 +111,7 @@ __uint8_t *xchg_data (__uint8_t *buf, __uint16_t wrlen, __uint16_t waitlen, _ buf[1] = (data >> 8) & 0x0FF; } } +#endif return buf; } |