boards/stm32based: remove periph_gpio/irq from board level

2025-01-17 05:12:57 +01:00 · 2018-12-18 21:51:14 +01:00 · 2018-12-18 21:51:14 +01:00 · 4ae15d18b5
commit 4ae15d18b5
parent da3bb42d18
53 changed files with 0 additions and 53 deletions
--- a/boards/b-l072z-lrwan1/Makefile.features
+++ b/boards/b-l072z-lrwan1/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_spi
--- a/boards/b-l475e-iot01a/Makefile.features
+++ b/boards/b-l475e-iot01a/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_spi
--- a/boards/common/iotlab/Makefile.features
+++ b/boards/common/iotlab/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_rtt
 FEATURES_PROVIDED += periph_spi
--- a/boards/common/stm32f103c8/Makefile.features
+++ b/boards/common/stm32f103c8/Makefile.features
@ -1,6 +1,5 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_spi
--- a/boards/f4vi1/Makefile.features
+++ b/boards/f4vi1/Makefile.features
@ -1,7 +1,6 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq

 # The board MPU family (used for grouping by the CI system)
 FEATURES_MCU_GROUP = cortex_m4_1
--- a/boards/fox/Makefile.features
+++ b/boards/fox/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_rtt
 FEATURES_PROVIDED += periph_spi
--- a/boards/limifrog-v1/Makefile.features
+++ b/boards/limifrog-v1/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_timer
--- a/boards/lobaro-lorabox/Makefile.features
+++ b/boards/lobaro-lorabox/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_spi
--- a/boards/maple-mini/Makefile.features
+++ b/boards/maple-mini/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_timer
--- a/boards/msbiot/Makefile.features
+++ b/boards/msbiot/Makefile.features
@ -1,7 +1,6 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
 FEATURES_PROVIDED += periph_dac
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_spi
--- a/boards/nucleo-f030r8/Makefile.features
+++ b/boards/nucleo-f030r8/Makefile.features
@ -1,6 +1,5 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_timer
--- a/boards/nucleo-f031k6/Makefile.features
+++ b/boards/nucleo-f031k6/Makefile.features
@ -1,6 +1,5 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_spi
--- a/boards/nucleo-f042k6/Makefile.features
+++ b/boards/nucleo-f042k6/Makefile.features
@ -1,6 +1,5 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_spi
--- a/boards/nucleo-f070rb/Makefile.features
+++ b/boards/nucleo-f070rb/Makefile.features
@ -1,6 +1,5 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
--- a/boards/nucleo-f072rb/Makefile.features
+++ b/boards/nucleo-f072rb/Makefile.features
@ -1,6 +1,5 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_timer
--- a/boards/nucleo-f091rc/Makefile.features
+++ b/boards/nucleo-f091rc/Makefile.features
@ -1,6 +1,5 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
--- a/boards/nucleo-f103rb/Makefile.features
+++ b/boards/nucleo-f103rb/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_rtt
 FEATURES_PROVIDED += periph_spi
--- a/boards/nucleo-f207zg/Makefile.features
+++ b/boards/nucleo-f207zg/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
--- a/boards/nucleo-f302r8/Makefile.features
+++ b/boards/nucleo-f302r8/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
--- a/boards/nucleo-f303k8/Makefile.features
+++ b/boards/nucleo-f303k8/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_spi
--- a/boards/nucleo-f303re/Makefile.features
+++ b/boards/nucleo-f303re/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
--- a/boards/nucleo-f303ze/Makefile.features
+++ b/boards/nucleo-f303ze/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_spi
--- a/boards/nucleo-f334r8/Makefile.features
+++ b/boards/nucleo-f334r8/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_spi
--- a/boards/nucleo-f401re/Makefile.features
+++ b/boards/nucleo-f401re/Makefile.features
@ -1,7 +1,6 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
 FEATURES_PROVIDED += periph_i2c
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_spi
--- a/boards/nucleo-f410rb/Makefile.features
+++ b/boards/nucleo-f410rb/Makefile.features
@ -1,7 +1,6 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
 FEATURES_PROVIDED += periph_i2c
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_timer
--- a/boards/nucleo-f411re/Makefile.features
+++ b/boards/nucleo-f411re/Makefile.features
@ -1,7 +1,6 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
 FEATURES_PROVIDED += periph_i2c
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_spi
--- a/boards/nucleo-f412zg/Makefile.features
+++ b/boards/nucleo-f412zg/Makefile.features
@ -1,6 +1,5 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
--- a/boards/nucleo-f413zh/Makefile.features
+++ b/boards/nucleo-f413zh/Makefile.features
@ -1,7 +1,6 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
 FEATURES_PROVIDED += periph_dma
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
--- a/boards/nucleo-f429zi/Makefile.features
+++ b/boards/nucleo-f429zi/Makefile.features
@ -1,6 +1,5 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
--- a/boards/nucleo-f446re/Makefile.features
+++ b/boards/nucleo-f446re/Makefile.features
@ -1,7 +1,6 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
 FEATURES_PROVIDED += periph_i2c
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_spi
--- a/boards/nucleo-f446ze/Makefile.features
+++ b/boards/nucleo-f446ze/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
--- a/boards/nucleo-f722ze/Makefile.features
+++ b/boards/nucleo-f722ze/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_timer
--- a/boards/nucleo-f746zg/Makefile.features
+++ b/boards/nucleo-f746zg/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart
--- a/boards/nucleo-f767zi/Makefile.features
+++ b/boards/nucleo-f767zi/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart
--- a/boards/nucleo-l031k6/Makefile.features
+++ b/boards/nucleo-l031k6/Makefile.features
@ -1,6 +1,5 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_spi
--- a/boards/nucleo-l053r8/Makefile.features
+++ b/boards/nucleo-l053r8/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_spi
--- a/boards/nucleo-l073rz/Makefile.features
+++ b/boards/nucleo-l073rz/Makefile.features
@ -1,6 +1,5 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_lpuart
 FEATURES_PROVIDED += periph_pwm
--- a/boards/nucleo-l152re/Makefile.features
+++ b/boards/nucleo-l152re/Makefile.features
@ -1,7 +1,6 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
 FEATURES_PROVIDED += periph_dac
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
--- a/boards/nucleo-l432kc/Makefile.features
+++ b/boards/nucleo-l432kc/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_spi
--- a/boards/nucleo-l433rc/Makefile.features
+++ b/boards/nucleo-l433rc/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_lpuart
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
--- a/boards/nucleo-l452re/Makefile.features
+++ b/boards/nucleo-l452re/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_rtt
--- a/boards/nucleo-l476rg/Makefile.features
+++ b/boards/nucleo-l476rg/Makefile.features
@ -1,6 +1,5 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
--- a/boards/nucleo-l496zg/Makefile.features
+++ b/boards/nucleo-l496zg/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_rtt
--- a/boards/nz32-sc151/Makefile.features
+++ b/boards/nz32-sc151/Makefile.features
@ -1,7 +1,6 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
 FEATURES_PROVIDED += periph_dac
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
--- a/boards/opencm904/Makefile.features
+++ b/boards/opencm904/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart

--- a/boards/spark-core/Makefile.features
+++ b/boards/spark-core/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_uart
--- a/boards/stm32f0discovery/Makefile.features
+++ b/boards/stm32f0discovery/Makefile.features
@ -1,6 +1,5 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_timer
--- a/boards/stm32f3discovery/Makefile.features
+++ b/boards/stm32f3discovery/Makefile.features
@ -1,6 +1,5 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_dac
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
--- a/boards/stm32f429i-disc1/Makefile.features
+++ b/boards/stm32f429i-disc1/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart
--- a/boards/stm32f4discovery/Makefile.features
+++ b/boards/stm32f4discovery/Makefile.features
@ -1,7 +1,6 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
 FEATURES_PROVIDED += periph_dac
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
--- a/boards/stm32f769i-disco/Makefile.features
+++ b/boards/stm32f769i-disco/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart
--- a/boards/stm32l476g-disco/Makefile.features
+++ b/boards/stm32l476g-disco/Makefile.features
@ -1,5 +1,4 @@
 # Put defined MCU peripherals here (in alphabetical order)
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart

--- a/boards/ublox-c030-u201/Makefile.features
+++ b/boards/ublox-c030-u201/Makefile.features
@ -1,6 +1,5 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_adc
-FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_spi