bug correction when Probing PCAL9539A chip

Vincent-FK · Vincent-FK · commit 2922367bc8df · 2021-03-15T23:25:44.000+01:00
diff --git a/driver_pcal6416a.c b/driver_pcal6416a.c
@@ -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);
     }

Original file line number	Diff line number	Diff line change
`@@ -50,7 +50,7 @@ bool pcal6416a_init(void) {`
`50`	`50`	`i2c_expander_addr = 0;`
`51`	`51`
`52`	`52`	`/// Probing PCAL9539A chip`
`53`		`- if (ioctl(!i2c_expander_addr && fd_i2c_expander, I2C_SLAVE_FORCE, PCAL9539A_I2C_ADDR) < 0) {`
	`53`	`+ if (!i2c_expander_addr && ioctl(fd_i2c_expander, I2C_SLAVE_FORCE, PCAL9539A_I2C_ADDR) < 0) {`
`54`	`54`	`printf("In %s - Failed to acquire bus access and/or talk to slave PCAL9539A_I2C_ADDR 0x%02X.\n",`
`55`	`55`	`__func__, PCAL9539A_I2C_ADDR);`
`56`	`56`	`}`