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| author | Stefan Kerkmann <karlk90@pm.me> | 2022-10-04 23:10:24 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-10-04 23:10:24 +0200 |
| commit | 996a9006d3f101dc5c48b58339e2e7323040fd59 (patch) | |
| tree | 56bb76db42e23e3a1bc343ee7d35ee307e08a0a0 /platforms | |
| parent | b6ea8837e4c81f364d30bdc74bf2cdccb2a1a185 (diff) | |
[Core] PWM Backlight for RP2040 (#17706)
Diffstat (limited to 'platforms')
5 files changed, 48 insertions, 0 deletions
diff --git a/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/mcuconf.h b/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/mcuconf.h index 8348e5312f..5c0859901e 100644 --- a/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/mcuconf.h +++ b/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/mcuconf.h @@ -79,6 +79,19 @@ #define RP_SPI_DMA_ERROR_HOOK(spip) /* + * PWM driver system settings. + */ +#define RP_PWM_USE_PWM0 FALSE +#define RP_PWM_USE_PWM1 FALSE +#define RP_PWM_USE_PWM2 FALSE +#define RP_PWM_USE_PWM3 FALSE +#define RP_PWM_USE_PWM4 FALSE +#define RP_PWM_USE_PWM5 FALSE +#define RP_PWM_USE_PWM6 FALSE +#define RP_PWM_USE_PWM7 FALSE +#define RP_PWM_IRQ_WRAP_NUMBER_PRIORITY 3 + +/* * I2C driver system settings. */ #define RP_I2C_USE_I2C0 FALSE diff --git a/platforms/chibios/boards/GENERIC_RP_RP2040/configs/mcuconf.h b/platforms/chibios/boards/GENERIC_RP_RP2040/configs/mcuconf.h index 9d8dc61aac..f7a66c6ab9 100644 --- a/platforms/chibios/boards/GENERIC_RP_RP2040/configs/mcuconf.h +++ b/platforms/chibios/boards/GENERIC_RP_RP2040/configs/mcuconf.h @@ -79,6 +79,19 @@ #define RP_SPI_DMA_ERROR_HOOK(spip) /* + * PWM driver system settings. + */ +#define RP_PWM_USE_PWM0 FALSE +#define RP_PWM_USE_PWM1 FALSE +#define RP_PWM_USE_PWM2 FALSE +#define RP_PWM_USE_PWM3 FALSE +#define RP_PWM_USE_PWM4 FALSE +#define RP_PWM_USE_PWM5 FALSE +#define RP_PWM_USE_PWM6 FALSE +#define RP_PWM_USE_PWM7 FALSE +#define RP_PWM_IRQ_WRAP_NUMBER_PRIORITY 3 + +/* * I2C driver system settings. */ #define RP_I2C_USE_I2C0 FALSE diff --git a/platforms/chibios/boards/QMK_PM2040/configs/mcuconf.h b/platforms/chibios/boards/QMK_PM2040/configs/mcuconf.h index a737b36c1c..e33d6d785f 100644 --- a/platforms/chibios/boards/QMK_PM2040/configs/mcuconf.h +++ b/platforms/chibios/boards/QMK_PM2040/configs/mcuconf.h @@ -79,6 +79,19 @@ #define RP_SPI_DMA_ERROR_HOOK(spip) /* + * PWM driver system settings. + */ +#define RP_PWM_USE_PWM0 FALSE +#define RP_PWM_USE_PWM1 FALSE +#define RP_PWM_USE_PWM2 FALSE +#define RP_PWM_USE_PWM3 FALSE +#define RP_PWM_USE_PWM4 FALSE +#define RP_PWM_USE_PWM5 FALSE +#define RP_PWM_USE_PWM6 FALSE +#define RP_PWM_USE_PWM7 FALSE +#define RP_PWM_IRQ_WRAP_NUMBER_PRIORITY 3 + +/* * I2C driver system settings. */ #define RP_I2C_USE_I2C0 FALSE diff --git a/platforms/chibios/chibios_config.h b/platforms/chibios/chibios_config.h index 8dcc23727f..38d3a40f6b 100644 --- a/platforms/chibios/chibios_config.h +++ b/platforms/chibios/chibios_config.h @@ -28,6 +28,10 @@ # define USE_GPIOV1 # define PAL_OUTPUT_TYPE_OPENDRAIN _Static_assert(0, "RP2040 has no Open Drain GPIO configuration, setting this is not possible"); +# define BACKLIGHT_PAL_MODE (PAL_MODE_ALTERNATE_PWM | PAL_RP_PAD_DRIVE12 | PAL_RP_GPIO_OE) +# define BACKLIGHT_PWM_COUNTER_FREQUENCY 1000000 +# define BACKLIGHT_PWM_PERIOD BACKLIGHT_PWM_COUNTER_FREQUENCY / 2048 + # define usb_lld_endpoint_fields # define I2C1_SCL_PAL_MODE (PAL_MODE_ALTERNATE_I2C | PAL_RP_PAD_SLEWFAST | PAL_RP_PAD_PUE | PAL_RP_PAD_DRIVE4) diff --git a/platforms/chibios/vendors/RP/_pin_defs.h b/platforms/chibios/vendors/RP/_pin_defs.h index 4241845369..b56ab31406 100644 --- a/platforms/chibios/vendors/RP/_pin_defs.h +++ b/platforms/chibios/vendors/RP/_pin_defs.h @@ -35,3 +35,8 @@ #define GP28 28U #define GP29 29U #define GP30 30U + +/* Aliases for GPIO PWM channels - every pin has at least one PWM channel + * assigned */ +#define RP2040_PWM_CHANNEL_A 1U +#define RP2040_PWM_CHANNEL_B 2U |