CONTROL_PIN 1055 drivers/sbus/char/envctrl.c writeb(CONTROL_PIN, i2c + PCF8584_CSR); CONTROL_PIN 1059 drivers/sbus/char/envctrl.c writeb(CONTROL_PIN | CONTROL_ES1, i2c + PCF8584_CSR); CONTROL_PIN 1063 drivers/sbus/char/envctrl.c writeb(CONTROL_PIN | CONTROL_ES0 | CONTROL_ACK, i2c + PCF8584_CSR);