diff options
Diffstat (limited to 'i2c.h')
| -rw-r--r-- | i2c.h | 12 |
1 files changed, 6 insertions, 6 deletions
@@ -19,19 +19,19 @@ typedef struct { twMode mode; uint8_t address; uint8_t subaddress; - uint8_t step; + volatile uint8_t step; /* pointer to read/write data */ - uint8_t *data; + volatile uint8_t *data; /* number of bytes to be read/written */ uint8_t count; /* current byte */ - uint8_t i; - twStatus status; + volatile uint8_t i; + volatile twStatus status; /* i2c bus status at the time if an error occured */ - uint8_t error; + volatile uint8_t error; } twReq; -extern volatile twReq twr; +extern twReq twr; #include <stdbool.h> |