diff options
Diffstat (limited to 'src/target/firmware/calypso/i2c.c')
| -rw-r--r-- | src/target/firmware/calypso/i2c.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/target/firmware/calypso/i2c.c b/src/target/firmware/calypso/i2c.c index a46fd72a..2231990b 100644 --- a/src/target/firmware/calypso/i2c.c +++ b/src/target/firmware/calypso/i2c.c @@ -52,7 +52,7 @@ enum i2c_reg { #define I2C_STATUS_ERROR_DATA (1 << 0) #define I2C_STATUS_ERROR_DEV (1 << 1) -#define I2C_STATUS_IDLE (1 << 2) +#define I2C_STATUS_IDLE (1 << 2) // 1: not idle, 0: idle #define I2C_STATUS_INTERRUPT (1 << 3) int i2c_write(uint8_t chip, uint32_t addr, int alen, const uint8_t *buffer, int len) @@ -92,7 +92,7 @@ int i2c_write(uint8_t chip, uint32_t addr, int alen, const uint8_t *buffer, int while (1) { uint8_t reg = readb(I2C_REG(STATUS_ACTIVITY_REG)); printd("I2C Status: 0x%02x\n", rerg & 0xf); - if (reg & I2C_STATUS_IDLE) + if (!(reg & I2C_STATUS_IDLE)) // 0: idle 1: not idle break; } dputs("I2C transfer completed\n"); |