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bug correction when Probing PCAL9539A chip

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This commit is contained in:
Vincent-FK 2021-03-15 23:25:44 +01:00
parent 254f91c2b3
commit 2922367bc8
1 changed files with 1 additions and 1 deletions
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2
driver_pcal6416a.c
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@ -50,7 +50,7 @@ bool pcal6416a_init(void) {
i2c_expander_addr = 0;
/// Probing PCAL9539A chip
if (ioctl(!i2c_expander_addr && fd_i2c_expander, I2C_SLAVE_FORCE, PCAL9539A_I2C_ADDR) < 0) {
if (!i2c_expander_addr && ioctl(fd_i2c_expander, I2C_SLAVE_FORCE, PCAL9539A_I2C_ADDR) < 0) {
printf("In %s - Failed to acquire bus access and/or talk to slave PCAL9539A_I2C_ADDR 0x%02X.\n",
__func__, PCAL9539A_I2C_ADDR);
}