diff options
Diffstat (limited to 'app')
24 files changed, 832 insertions, 1 deletions
diff --git a/app/boards/arm/bluemicro840/Kconfig.defconfig b/app/boards/arm/bluemicro840/Kconfig.defconfig index 566b5a4..2b55e17 100644 --- a/app/boards/arm/bluemicro840/Kconfig.defconfig +++ b/app/boards/arm/bluemicro840/Kconfig.defconfig @@ -27,4 +27,7 @@ config ZMK_BLE config ZMK_USB default y +config ZMK_BATTERY_VOLTAGE_DIVIDER + default y + endif # BOARD_BLUEMICRO840_V1 diff --git a/app/boards/arm/bluemicro840/bluemicro840_v1.dts b/app/boards/arm/bluemicro840/bluemicro840_v1.dts index c693662..32aa2e6 100644 --- a/app/boards/arm/bluemicro840/bluemicro840_v1.dts +++ b/app/boards/arm/bluemicro840/bluemicro840_v1.dts @@ -29,6 +29,18 @@ }; }; + vbatt { + compatible = "zmk,battery-voltage-divider"; + label = "VOLTAGE_DIVIDER"; + io-channels = <&adc 7>; + output-ohms = <2000000>; + full-ohms = <(2000000 + 806000)>; + }; + +}; + +&adc { + status = "okay"; }; &gpio0 { diff --git a/app/boards/arm/nice_nano/Kconfig.defconfig b/app/boards/arm/nice_nano/Kconfig.defconfig index 0961ddd..205050a 100644 --- a/app/boards/arm/nice_nano/Kconfig.defconfig +++ b/app/boards/arm/nice_nano/Kconfig.defconfig @@ -25,4 +25,7 @@ config ZMK_BLE config ZMK_USB default y +config ZMK_BATTERY_VOLTAGE_DIVIDER + default y + endif # BOARD_NICE_NANO diff --git a/app/boards/arm/nice_nano/nice_nano.dts b/app/boards/arm/nice_nano/nice_nano.dts index 0538b1d..1819541 100644 --- a/app/boards/arm/nice_nano/nice_nano.dts +++ b/app/boards/arm/nice_nano/nice_nano.dts @@ -34,6 +34,18 @@ label = "EXT_POWER"; control-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>; }; + + vbatt { + compatible = "zmk,battery-voltage-divider"; + label = "VOLTAGE_DIVIDER"; + io-channels = <&adc 2>; + output-ohms = <2000000>; + full-ohms = <(2000000 + 806000)>; + }; +}; + +&adc { + status = "okay"; }; &gpiote { diff --git a/app/boards/arm/nrfmicro/Kconfig.defconfig b/app/boards/arm/nrfmicro/Kconfig.defconfig index 7957b4a..a3c02c2 100644 --- a/app/boards/arm/nrfmicro/Kconfig.defconfig +++ b/app/boards/arm/nrfmicro/Kconfig.defconfig @@ -35,6 +35,9 @@ if BOARD_NRFMICRO_13 config BOARD_NRFMICRO_CHARGER default y +config ZMK_BATTERY_VOLTAGE_DIVIDER + default y + endif # BOARD_NRFMICRO_13 endif # BOARD_NRFMICRO_11 || BOARD_NRFMICRO_11_FLIPPED || BOARD_NRFMICRO_13 diff --git a/app/boards/arm/nrfmicro/nrfmicro_13.dts b/app/boards/arm/nrfmicro/nrfmicro_13.dts index ef43946..5ae11ba 100644 --- a/app/boards/arm/nrfmicro/nrfmicro_13.dts +++ b/app/boards/arm/nrfmicro/nrfmicro_13.dts @@ -31,6 +31,18 @@ label = "EXT_POWER"; control-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; }; + + vbatt { + compatible = "zmk,battery-voltage-divider"; + label = "VOLTAGE_DIVIDER"; + io-channels = <&adc 2>; + output-ohms = <2000000>; + full-ohms = <(2000000 + 820000)>; + }; +}; + +&adc { + status = "okay"; }; &gpio0 { diff --git a/app/boards/shields/nibble/Kconfig.defconfig b/app/boards/shields/nibble/Kconfig.defconfig new file mode 100644 index 0000000..01d0bba --- /dev/null +++ b/app/boards/shields/nibble/Kconfig.defconfig @@ -0,0 +1,13 @@ +# Copyright (c) 2020 The ZMK Contributors +# SPDX-License-Identifier: MIT + +if SHIELD_NIBBLE + +config ZMK_KEYBOARD_NAME + default "NIBBLE" + +config ZMK_USB + default y + +endif + diff --git a/app/boards/shields/nibble/Kconfig.shield b/app/boards/shields/nibble/Kconfig.shield new file mode 100644 index 0000000..44364f4 --- /dev/null +++ b/app/boards/shields/nibble/Kconfig.shield @@ -0,0 +1,5 @@ +# Copyright (c) 2020 The ZMK Contributors +# SPDX-License-Identifier: MIT + +config SHIELD_NIBBLE + def_bool $(shields_list_contains,nibble) diff --git a/app/boards/shields/nibble/nibble.conf b/app/boards/shields/nibble/nibble.conf new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/app/boards/shields/nibble/nibble.conf diff --git a/app/boards/shields/nibble/nibble.keymap b/app/boards/shields/nibble/nibble.keymap new file mode 100644 index 0000000..dd37ad9 --- /dev/null +++ b/app/boards/shields/nibble/nibble.keymap @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2020 The ZMK Contributors + * + * SPDX-License-Identifier: MIT + */ + +#include <behaviors.dtsi> +#include <dt-bindings/zmk/keys.h> +#include <dt-bindings/zmk/bt.h> + +#define DEFAULT 0 +#define FUNC 1 + +/ { + keymap { + compatible = "zmk,keymap"; + + default_layer { + bindings = < + &kp ESC &kp NUM_1 &kp NUM_2 &kp NUM_3 &kp NUM_4 &kp NUM_5 &kp NUM_6 &kp NUM_7 &kp NUM_8 &kp NUM_9 &kp NUM_0 &kp MINUS &kp EQL &kp BKSP &kp HOME +&cp M_VOLU &kp TAB &kp Q &kp W &kp E &kp R &kp T &kp Y &kp U &kp I &kp O &kp P &kp LBKT &kp RBKT &kp BSLH &kp DEL +&cp M_VOLD &kp CLCK &kp A &kp S &kp D &kp F &kp G &kp H &kp J &kp K &kp L &kp SCLN &kp QUOT &kp RET &kp PGUP +&trans &kp LSFT &kp Z &kp X &kp C &kp V &kp B &kp N &kp M &kp CMMA &kp DOT &kp FSLH &kp RSFT &kp UARW &kp PGDN +&trans &kp LCTL &kp LGUI &kp LALT &kp SPC &mo FUNC &kp RALT &kp RCTL &kp LARW &kp DARW &kp RARW + >; + }; + func { + bindings = < + &kp TILD &kp F1 &kp F2 &kp F3 &kp F4 &kp F5 &kp F6 &kp F7 &kp F8 &kp F9 &kp F10 &kp F11 &kp F12 &trans &kp END +&bt BT_CLR &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &bootloader +&trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans +&bt BT_PRV &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans &trans +&bt BT_NXT &trans &trans &trans &trans &trans &trans &trans &cp M_PREV &cp M_PLAY &cp M_NEXT + >; + }; + }; +}; diff --git a/app/boards/shields/nibble/nibble.overlay b/app/boards/shields/nibble/nibble.overlay new file mode 100644 index 0000000..7975c3c --- /dev/null +++ b/app/boards/shields/nibble/nibble.overlay @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2020 The ZMK Contributors + * + * SPDX-License-Identifier: MIT + */ + +#include <dt-bindings/zmk/matrix-transform.h> + +/ { + chosen { + zmk,kscan = &kscan0; + zmk,matrix_transform = &default_transform; + }; + + kscan0: kscan { + compatible = "zmk,kscan-gpio-demux"; + label = "KSCAN"; + polling-interval-msec = <25>; + input-gpios + = <&pro_micro_d 15 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)> + , <&pro_micro_d 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)> + , <&pro_micro_d 16 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)> + , <&pro_micro_d 10 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)> + , <&pro_micro_d 4 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)> + ; + output-gpios + = <&pro_micro_a 3 GPIO_ACTIVE_HIGH> + , <&pro_micro_a 2 GPIO_ACTIVE_HIGH> + , <&pro_micro_a 1 GPIO_ACTIVE_HIGH> + , <&pro_micro_a 0 GPIO_ACTIVE_HIGH> + ; + }; + + default_transform: keymap_transform_0 { + compatible = "zmk,matrix-transform"; + columns = <16>; + rows = <5>; + + //TODO: Add a keymap graphic here + + map = < + RC(0,1) RC(0,2) RC(0,3) RC(0,4) RC(0,5) RC(0,6) RC(0,7) RC(0,8) RC(0,9) RC(0,10) RC(0,11) RC(0,12) RC(0,13) RC(0,14) RC(0,15) +RC(1,0) RC(1,1) RC(1,2) RC(1,3) RC(1,4) RC(1,5) RC(1,6) RC(1,7) RC(1,8) RC(1,9) RC(1,10) RC(1,11) RC(1,12) RC(1,13) RC(1,14) RC(1,15) +RC(2,0) RC(2,1) RC(2,2) RC(2,3) RC(2,4) RC(2,5) RC(2,6) RC(2,7) RC(2,8) RC(2,9) RC(2,10) RC(2,11) RC(2,12) RC(2,14) RC(2,15) +RC(3,0) RC(3,1) RC(3,2) RC(3,3) RC(3,4) RC(3,5) RC(3,6) RC(3,7) RC(3,8) RC(3,9) RC(3,10) RC(3,11) RC(3,12) RC(3,14) RC(3,15) +RC(4,0) RC(4,1) RC(4,2) RC(4,3) RC(4,6) RC(4,9) RC(4,10) RC(4,11) RC(4,12) RC(4,14) RC(4,15) + >; + }; +}; diff --git a/app/boards/shields/reviung41/Kconfig.defconfig b/app/boards/shields/reviung41/Kconfig.defconfig new file mode 100644 index 0000000..0625cb2 --- /dev/null +++ b/app/boards/shields/reviung41/Kconfig.defconfig @@ -0,0 +1,9 @@ +# Copyright (c) 2020 The ZMK Contributors +# SPDX-License-Identifier: MIT + +if SHIELD_REVIUNG41 + +config ZMK_KEYBOARD_NAME + default "Reviung41" + +endif diff --git a/app/boards/shields/reviung41/Kconfig.shield b/app/boards/shields/reviung41/Kconfig.shield new file mode 100644 index 0000000..e51f9e6 --- /dev/null +++ b/app/boards/shields/reviung41/Kconfig.shield @@ -0,0 +1,5 @@ +# Copyright (c) 2020 The ZMK Contributors +# SPDX-License-Identifier: MIT + +config SHIELD_REVIUNG41 + def_bool $(shields_list_contains,reviung41) diff --git a/app/boards/shields/reviung41/boards/nice_nano.overlay b/app/boards/shields/reviung41/boards/nice_nano.overlay new file mode 100644 index 0000000..a05d0eb --- /dev/null +++ b/app/boards/shields/reviung41/boards/nice_nano.overlay @@ -0,0 +1,28 @@ +&spi1 { + compatible = "nordic,nrf-spi"; + status = "okay"; + mosi-pin = <6>; + // Unused pins, needed for SPI definition, but not used by the ws2812 driver itself. + sck-pin = <5>; + miso-pin = <7>; + + led_strip: ws2812@0 { + compatible = "worldsemi,ws2812-spi"; + label = "WS2812"; + + /* SPI */ + reg = <0>; /* ignored, but necessary for SPI bindings */ + spi-max-frequency = <4000000>; + + /* WS2812 */ + chain-length = <11>; /* arbitrary; change at will */ + spi-one-frame = <0x70>; + spi-zero-frame = <0x40>; + }; +}; + +/ { + chosen { + zmk,underglow = &led_strip; + }; +}; diff --git a/app/boards/shields/reviung41/reviung41.conf b/app/boards/shields/reviung41/reviung41.conf new file mode 100644 index 0000000..289f070 --- /dev/null +++ b/app/boards/shields/reviung41/reviung41.conf @@ -0,0 +1,3 @@ +# Uncomment the following lines to enable RGB underglow +# CONFIG_ZMK_RGB_UNDERGLOW=y +# CONFIG_WS2812_STRIP=y diff --git a/app/boards/shields/reviung41/reviung41.keymap b/app/boards/shields/reviung41/reviung41.keymap new file mode 100644 index 0000000..26b4093 --- /dev/null +++ b/app/boards/shields/reviung41/reviung41.keymap @@ -0,0 +1,72 @@ +/* + * Copyright (c) 2020 The ZMK Contributors + * + * SPDX-License-Identifier: MIT + */ + +#include <behaviors.dtsi> +#include <dt-bindings/zmk/keys.h> +#include <dt-bindings/zmk/bt.h> +#include <dt-bindings/zmk/rgb.h> + +/ { + keymap { + compatible = "zmk,keymap"; + + default_layer { +// ------------------------------------------------------------------------------------- +// | TAB | Q | W | E | R | T | | Y | U | I | O | P | BKSP | +// | CTRL | A | S | D | F | G | | H | J | K | L | ; | ' | +// | SHFT | Z | X | C | V | B | | N | M | , | . | / | SHFT(RET) | +// | ALT | LWR | SPC | RSE | ALT | + bindings = < + &kp TAB &kp Q &kp W &kp E &kp R &kp T &kp Y &kp U &kp I &kp O &kp P &kp BKSP + &kp LCTL &kp A &kp S &kp D &kp F &kp G &kp H &kp J &kp K &kp L &kp SCLN &kp QUOT + &kp LSFT &kp Z &kp X &kp C &kp V &kp B &kp N &kp M &kp CMMA &kp DOT &kp FSLH &mt RSFT RET + &kp LALT &mo 1 &kp SPC &mo 2 &kp RALT + >; + }; + + lower_layer { +// ---------------------------------------------------------------------------------- +// | | ! | @ | # | $ | % | | ^ | & | * | ( | ) | DEL | +// | | _ | + | { | } | "|" | | LFT | DWN | UP | RGT | ` | ~ | +// | | ESC | GUI | ALT | CAPS| " | | HOME| END | PGUP| PGDN| PRSC| SHFT(RET) | +// | | | RET | ADJ | | + bindings = < + &trans &kp BANG &kp ATSN &kp HASH &kp CURU &kp PRCT &kp CRRT &kp AMPS &kp NUM_8 &kp LPRN &kp RPRN &kp DEL + &trans &kp MINUS &kp KPLS &kp LCUR &kp RCUR &kp PIPE &kp LARW &kp DARW &kp UARW &kp RARW &kp GRAV &kp GRAV + &trans &kp ESC &kp LGUI &kp LALT &kp CLCK &kp QUOT &kp HOME &kp END &kp PGUP &kp PGDN &kp PRSC &mt RSFT RET + &trans &trans &kp RET &mo 3 &trans + >; + }; + + raise_layer { +// ----------------------------------------------------------------------------------------- +// | | 1 | 2 | 3 | 4 | 5 | | 6 | 7 | 8 | 9 | 0 | DEL | +// | | - | = | [ | ] | \ | | F1 | F2 | F3 | F4 | F5 | F6 | +// | | ESC | GUI | ALT | CAPS| " | | F7 | F8 | F9 | F10 | F11 | F12 | +// | | ADJ | BKSP | | | + bindings = < + &trans &kp NUM_1 &kp NUM_2 &kp NUM_3 &kp NUM_4 &kp NUM_5 &kp NUM_6 &kp NUM_7 &kp NUM_8 &kp NUM_9 &kp NUM_0 &kp DEL + &trans &kp MINUS &kp EQL &kp LBKT &kp RBKT &kp BSLH &kp F1 &kp F2 &kp F3 &kp F4 &kp F5 &kp F6 + &trans &kp ESC &kp LGUI &kp RALT &kp CLCK &kp QUOT &kp F7 &kp F8 &kp F9 &kp F10 &kp F11 &kp F12 + &trans &mo 3 &kp BKSP &trans &trans + >; + }; + + adjust_layer { +// ----------------------------------------------------------------------------------------- +// | RGB BRI+ | RGB SAT+ | RGB HUE+ | RGB ANI+ | | RGB TOG | | BT1 | BT2 | BT3 | BT4 | BT5 | BT CLR | +// | RGB BRI- | RGB SAT- | RGB HUE- | RGB ANI+ | | | | | | | | | | +// | | | | | | | | RESET | | | | | | +// | | | | | | + bindings = < + &rgb_ug RGB_BRI &rgb_ug RGB_SAI &rgb_ug RGB_HUI &rgb_ug RGB_EFF &none &rgb_ug RGB_TOG &bt BT_SEL 0 &bt BT_SEL 1 &bt BT_SEL 2 &bt BT_SEL 3 &bt BT_SEL 4 &bt BT_CLR + &rgb_ug RGB_BRD &rgb_ug RGB_SAD &rgb_ug RGB_HUD &rgb_ug RGB_EFR &none &none &none &none &none &none &none &none + &none &none &none &none &none &none &reset &none &none &none &none &none + &trans &trans &tog 3 &trans &trans + >; + }; + }; +}; diff --git a/app/boards/shields/reviung41/reviung41.overlay b/app/boards/shields/reviung41/reviung41.overlay new file mode 100644 index 0000000..06270ca --- /dev/null +++ b/app/boards/shields/reviung41/reviung41.overlay @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2020 The ZMK Contributors + * + * SPDX-License-Identifier: MIT + */ + +#include <dt-bindings/zmk/matrix-transform.h> + +/ { + chosen { + zmk,kscan = &kscan0; + zmk,matrix_transform = &default_transform; + }; + + default_transform: keymap_transform_0 { + compatible = "zmk,matrix-transform"; + columns = <6>; + rows = <7>; + + map = < +RC(0,0) RC(0,1) RC(0,2) RC(0,3) RC(0,4) RC(0,5) RC(3,0) RC(3,1) RC(3,2) RC(3,3) RC(3,4) RC(3,5) +RC(1,0) RC(1,1) RC(1,2) RC(1,3) RC(1,4) RC(1,5) RC(4,0) RC(4,1) RC(4,2) RC(4,3) RC(4,4) RC(4,5) +RC(2,0) RC(2,1) RC(2,2) RC(2,3) RC(2,4) RC(2,5) RC(5,0) RC(5,1) RC(5,2) RC(5,3) RC(5,4) RC(5,5) + RC(6,0) RC(6,1) RC(6,2) RC(6,3) RC(6,4) + >; + }; + + kscan0: kscan_0 { + compatible = "zmk,kscan-gpio-matrix"; + label = "KSCAN"; + diode-direction = "col2row"; + + col-gpios + = <&pro_micro_d 4 GPIO_ACTIVE_HIGH> + , <&pro_micro_d 5 GPIO_ACTIVE_HIGH> + , <&pro_micro_d 6 GPIO_ACTIVE_HIGH> + , <&pro_micro_d 7 GPIO_ACTIVE_HIGH> + , <&pro_micro_d 8 GPIO_ACTIVE_HIGH> + , <&pro_micro_d 9 GPIO_ACTIVE_HIGH> + ; + + row-gpios + = <&pro_micro_a 3 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> + , <&pro_micro_a 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> + , <&pro_micro_a 1 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> + , <&pro_micro_a 0 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> + , <&pro_micro_d 15 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> + , <&pro_micro_d 14 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> + , <&pro_micro_d 16 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> + ; + }; +}; diff --git a/app/drivers/zephyr/CMakeLists.txt b/app/drivers/zephyr/CMakeLists.txt index 8778ded..e3a192d 100644 --- a/app/drivers/zephyr/CMakeLists.txt +++ b/app/drivers/zephyr/CMakeLists.txt @@ -5,8 +5,10 @@ if(CONFIG_ZMK_KSCAN_GPIO_DRIVER) zephyr_library_sources( kscan_gpio_matrix.c kscan_gpio_direct.c + kscan_gpio_demux.c ) zephyr_library_sources_ifdef(CONFIG_EC11 ec11.c) zephyr_library_sources_ifdef(CONFIG_EC11_TRIGGER ec11_trigger.c) + zephyr_library_sources_ifdef(CONFIG_ZMK_BATTERY_VOLTAGE_DIVIDER battery_voltage_divider.c) endif() diff --git a/app/drivers/zephyr/Kconfig b/app/drivers/zephyr/Kconfig index 0534cab..6b177fb 100644 --- a/app/drivers/zephyr/Kconfig +++ b/app/drivers/zephyr/Kconfig @@ -21,6 +21,12 @@ config ZMK_KSCAN_INIT_PRIORITY help Keyboard scan device driver initialization priority. +config ZMK_BATTERY_VOLTAGE_DIVIDER + bool "ZMK battery voltage divider" + select ADC + help + Enable ZMK battery voltage divider driver for battery monitoring. + menuconfig EC11 bool "EC11 Incremental Encoder Sensor" depends on GPIO diff --git a/app/drivers/zephyr/battery_voltage_divider.c b/app/drivers/zephyr/battery_voltage_divider.c new file mode 100644 index 0000000..37ac024 --- /dev/null +++ b/app/drivers/zephyr/battery_voltage_divider.c @@ -0,0 +1,215 @@ +/* + * Copyright (c) 2020 The ZMK Contributors + * + * SPDX-License-Identifier: MIT + */ + +#define DT_DRV_COMPAT zmk_battery_voltage_divider + +#include <device.h> +#include <drivers/gpio.h> +#include <drivers/adc.h> +#include <drivers/sensor.h> +#include <logging/log.h> + +LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL); + +struct io_channel_config { + const char *label; + uint8_t channel; +}; + +struct gpio_channel_config { + const char *label; + uint8_t pin; + uint8_t flags; +}; + +struct bvd_config { + struct io_channel_config io_channel; + struct gpio_channel_config power_gpios; + uint32_t output_ohm; + uint32_t full_ohm; +}; + +struct bvd_data { + struct device *adc; + struct device *gpio; + struct adc_channel_cfg acc; + struct adc_sequence as; + uint16_t adc_raw; + uint16_t voltage; + uint8_t state_of_charge; +}; + +static uint8_t lithium_ion_mv_to_pct(int16_t bat_mv) { + // Simple linear approximation of a battery based off adafruit's discharge graph: + // https://learn.adafruit.com/li-ion-and-lipoly-batteries/voltages + + if (bat_mv >= 4200) { + return 100; + } else if (bat_mv <= 3450) { + return 0; + } + + return bat_mv * 2 / 15 - 459; +} + +static int bvd_sample_fetch(struct device *dev, enum sensor_channel chan) { + struct bvd_data *drv_data = dev->driver_data; + const struct bvd_config *drv_cfg = dev->config_info; + struct adc_sequence *as = &drv_data->as; + + // Make sure selected channel is supported + if (chan != SENSOR_CHAN_GAUGE_VOLTAGE && chan != SENSOR_CHAN_GAUGE_STATE_OF_CHARGE) { + return -ENOTSUP; + } + + int rc = 0; + + // Enable power GPIO if present + if (drv_data->gpio) { + rc = gpio_pin_set(drv_data->gpio, drv_cfg->power_gpios.pin, 1); + + if (rc != 0) { + LOG_DBG("Failed to enable ADC power GPIO: %d", rc); + return rc; + } + } + + // Read ADC + rc = adc_read(drv_data->adc, as); + as->calibrate = false; + + if (rc == 0) { + int32_t val = drv_data->adc_raw; + + adc_raw_to_millivolts(adc_ref_internal(drv_data->adc), drv_data->acc.gain, as->resolution, + &val); + + uint16_t millivolts = val * (uint64_t)drv_cfg->full_ohm / drv_cfg->output_ohm; + LOG_DBG("ADC raw %d ~ %d mV => %d mV\n", drv_data->adc_raw, val, millivolts); + uint8_t percent = lithium_ion_mv_to_pct(millivolts); + LOG_DBG("Percent: %d", percent); + + drv_data->voltage = millivolts; + drv_data->state_of_charge = percent; + } else { + LOG_DBG("Failed to read ADC: %d", rc); + } + + // Disable power GPIO if present + if (drv_data->gpio) { + int rc2 = gpio_pin_set(drv_data->gpio, drv_cfg->power_gpios.pin, 0); + + if (rc2 != 0) { + LOG_DBG("Failed to disable ADC power GPIO: %d", rc2); + return rc2; + } + } + + return rc; +} + +static int bvd_channel_get(struct device *dev, enum sensor_channel chan, struct sensor_value *val) { + struct bvd_data *drv_data = dev->driver_data; + + switch (chan) { + case SENSOR_CHAN_GAUGE_VOLTAGE: + val->val1 = drv_data->voltage / 1000; + val->val2 = (drv_data->voltage % 1000) * 1000U; + break; + + case SENSOR_CHAN_GAUGE_STATE_OF_CHARGE: + val->val1 = drv_data->state_of_charge; + val->val2 = 0; + break; + + default: + return -ENOTSUP; + } + + return 0; +} + +static const struct sensor_driver_api bvd_api = { + .sample_fetch = bvd_sample_fetch, + .channel_get = bvd_channel_get, +}; + +static int bvd_init(struct device *dev) { + struct bvd_data *drv_data = dev->driver_data; + const struct bvd_config *drv_cfg = dev->config_info; + + drv_data->adc = device_get_binding(drv_cfg->io_channel.label); + + if (drv_data->adc == NULL) { + LOG_ERR("ADC %s failed to retrieve", drv_cfg->io_channel.label); + return -ENODEV; + } + + int rc = 0; + + if (drv_cfg->power_gpios.label) { + drv_data->gpio = device_get_binding(drv_cfg->power_gpios.label); + if (drv_data->gpio == NULL) { + LOG_ERR("Failed to get GPIO %s", drv_cfg->power_gpios.label); + return -ENODEV; + } + rc = gpio_pin_configure(drv_data->gpio, drv_cfg->power_gpios.pin, + GPIO_OUTPUT_INACTIVE | drv_cfg->power_gpios.flags); + if (rc != 0) { + LOG_ERR("Failed to control feed %s.%u: %d", drv_cfg->power_gpios.label, + drv_cfg->power_gpios.pin, rc); + return rc; + } + } + + drv_data->as = (struct adc_sequence){ + .channels = BIT(0), + .buffer = &drv_data->adc_raw, + .buffer_size = sizeof(drv_data->adc_raw), + .oversampling = 4, + .calibrate = true, + }; + +#ifdef CONFIG_ADC_NRFX_SAADC + drv_data->acc = (struct adc_channel_cfg){ + .gain = ADC_GAIN_1_5, + .reference = ADC_REF_INTERNAL, + .acquisition_time = ADC_ACQ_TIME(ADC_ACQ_TIME_MICROSECONDS, 40), + .input_positive = SAADC_CH_PSELP_PSELP_AnalogInput0 + drv_cfg->io_channel.channel, + }; + + drv_data->as.resolution = 12; +#else +#error Unsupported ADC +#endif + + rc = adc_channel_setup(drv_data->adc, &drv_data->acc); + LOG_DBG("AIN%u setup returned %d", drv_cfg->io_channel.channel, rc); + + return rc; +} + +static struct bvd_data bvd_data; +static const struct bvd_config bvd_cfg = { + .io_channel = + { + DT_INST_IO_CHANNELS_LABEL(0), + DT_INST_IO_CHANNELS_INPUT(0), + }, +#if DT_INST_NODE_HAS_PROP(0, power_gpios) + .power_gpios = + { + DT_INST_GPIO_LABEL(0, power_gpios), + DT_INST_PIN(0, power_gpios), + DT_INST_FLAGS(0, power_gpios), + }, +#endif + .output_ohm = DT_INST_PROP(0, output_ohms), + .full_ohm = DT_INST_PROP(0, full_ohms), +}; + +DEVICE_AND_API_INIT(bvd_dev, DT_INST_LABEL(0), &bvd_init, &bvd_data, &bvd_cfg, POST_KERNEL, + CONFIG_SENSOR_INIT_PRIORITY, &bvd_api); diff --git a/app/drivers/zephyr/dts/bindings/zmk,battery-voltage-divider.yaml b/app/drivers/zephyr/dts/bindings/zmk,battery-voltage-divider.yaml new file mode 100644 index 0000000..3f391d7 --- /dev/null +++ b/app/drivers/zephyr/dts/bindings/zmk,battery-voltage-divider.yaml @@ -0,0 +1,14 @@ +# Copyright (c) 2020 The ZMK Contributors +# SPDX-License-Identifier: MIT + +description: Battery SoC monitoring using voltage divider + +compatible: "zmk,battery-voltage-divider" + +include: voltage-divider.yaml + +properties: + label: + required: true + type: string +
\ No newline at end of file diff --git a/app/drivers/zephyr/dts/bindings/zmk,kscan-gpio-demux.yaml b/app/drivers/zephyr/dts/bindings/zmk,kscan-gpio-demux.yaml new file mode 100644 index 0000000..a2d8d24 --- /dev/null +++ b/app/drivers/zephyr/dts/bindings/zmk,kscan-gpio-demux.yaml @@ -0,0 +1,22 @@ +# Copyright (c) 2020, The ZMK Contributors +# SPDX-License-Identifier: MIT + +description: GPIO keyboard demux controller + +compatible: "zmk,kscan-gpio-demux" + +include: kscan.yaml + +properties: + input-gpios: + type: phandle-array + required: true + output-gpios: + type: phandle-array + required: true + debounce-period: + type: int + default: 5 + polling-interval-msec: + type: int + default: 25 diff --git a/app/drivers/zephyr/kscan_gpio_demux.c b/app/drivers/zephyr/kscan_gpio_demux.c new file mode 100644 index 0000000..6113d7c --- /dev/null +++ b/app/drivers/zephyr/kscan_gpio_demux.c @@ -0,0 +1,254 @@ +/* + * Copyright (c) 2020 The ZMK Contributors + * + * SPDX-License-Identifier: MIT + */ + +#define DT_DRV_COMPAT zmk_kscan_gpio_demux + +#include <device.h> +#include <drivers/kscan.h> +#include <drivers/gpio.h> +#include <logging/log.h> + +LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL); + +#if DT_HAS_COMPAT_STATUS_OKAY(DT_DRV_COMPAT) + +struct kscan_gpio_item_config { + char *label; + gpio_pin_t pin; + gpio_flags_t flags; +}; + +// Helper macro +#define PWR_TWO(x) (1 << (x)) + +// Define GPIO cfg +#define _KSCAN_GPIO_ITEM_CFG_INIT(n, prop, idx) \ + { \ + .label = DT_INST_GPIO_LABEL_BY_IDX(n, prop, idx), \ + .pin = DT_INST_GPIO_PIN_BY_IDX(n, prop, idx), \ + .flags = DT_INST_GPIO_FLAGS_BY_IDX(n, prop, idx), \ + }, + +// Define row and col cfg +#define _KSCAN_GPIO_INPUT_CFG_INIT(idx, n) _KSCAN_GPIO_ITEM_CFG_INIT(n, input_gpios, idx) +#define _KSCAN_GPIO_OUTPUT_CFG_INIT(idx, n) _KSCAN_GPIO_ITEM_CFG_INIT(n, output_gpios, idx) + +// Check debounce config +#define CHECK_DEBOUNCE_CFG(n, a, b) COND_CODE_0(DT_INST_PROP(n, debounce_period), a, b) + +// Define the row and column lengths +#define INST_MATRIX_INPUTS(n) DT_INST_PROP_LEN(n, input_gpios) +#define INST_DEMUX_GPIOS(n) DT_INST_PROP_LEN(n, output_gpios) +#define INST_MATRIX_OUTPUTS(n) PWR_TWO(INST_DEMUX_GPIOS(n)) +#define POLL_INTERVAL(n) DT_INST_PROP(n, polling_interval_msec) + +#define GPIO_INST_INIT(n) \ + struct kscan_gpio_irq_callback_##n { \ + struct CHECK_DEBOUNCE_CFG(n, (k_work), (k_delayed_work)) * work; \ + struct gpio_callback callback; \ + struct device *dev; \ + }; \ + \ + struct kscan_gpio_config_##n { \ + struct kscan_gpio_item_config rows[INST_MATRIX_INPUTS(n)]; \ + struct kscan_gpio_item_config cols[INST_DEMUX_GPIOS(n)]; \ + }; \ + \ + struct kscan_gpio_data_##n { \ + kscan_callback_t callback; \ + struct k_timer poll_timer; \ + struct CHECK_DEBOUNCE_CFG(n, (k_work), (k_delayed_work)) work; \ + bool matrix_state[INST_MATRIX_INPUTS(n)][INST_MATRIX_OUTPUTS(n)]; \ + struct device *rows[INST_MATRIX_INPUTS(n)]; \ + struct device *cols[INST_MATRIX_OUTPUTS(n)]; \ + struct device *dev; \ + }; \ + /* IO/GPIO SETUP */ \ + /* gpio_input_devices are PHYSICAL IO devices */ \ + static struct device **kscan_gpio_input_devices_##n(struct device *dev) { \ + struct kscan_gpio_data_##n *data = dev->driver_data; \ + return data->rows; \ + } \ + \ + static const struct kscan_gpio_item_config *kscan_gpio_input_configs_##n(struct device *dev) { \ + const struct kscan_gpio_config_##n *cfg = dev->config_info; \ + return cfg->rows; \ + } \ + \ + /* gpio_output_devices are PHYSICAL IO devices */ \ + static struct device **kscan_gpio_output_devices_##n(struct device *dev) { \ + struct kscan_gpio_data_##n *data = dev->driver_data; \ + return data->cols; \ + } \ + \ + static const struct kscan_gpio_item_config *kscan_gpio_output_configs_##n( \ + struct device *dev) { \ + const struct kscan_gpio_config_##n *cfg = dev->config_info; \ + /* If row2col, rows = outputs & cols = inputs */ \ + return cfg->cols; \ + } \ + /* POLLING SETUP */ \ + static void kscan_gpio_timer_handler(struct k_timer *timer) { \ + struct kscan_gpio_data_##n *data = \ + CONTAINER_OF(timer, struct kscan_gpio_data_##n, poll_timer); \ + k_work_submit(&data->work.work); \ + } \ + \ + /* Read the state of the input GPIOs */ \ + /* This is the core matrix_scan func */ \ + static int kscan_gpio_read_##n(struct device *dev) { \ + bool submit_follow_up_read = false; \ + struct kscan_gpio_data_##n *data = dev->driver_data; \ + static bool read_state[INST_MATRIX_INPUTS(n)][INST_MATRIX_OUTPUTS(n)]; \ + for (int o = 0; o < INST_MATRIX_OUTPUTS(n); o++) { \ + /* Iterate over bits and set GPIOs accordingly */ \ + for (u8_t bit = 0; bit < INST_DEMUX_GPIOS(n); bit++) { \ + u8_t state = (o & (0b1 << bit)) >> bit; \ + struct device *out_dev = kscan_gpio_output_devices_##n(dev)[bit]; \ + const struct kscan_gpio_item_config *out_cfg = \ + &kscan_gpio_output_configs_##n(dev)[bit]; \ + gpio_pin_set(out_dev, out_cfg->pin, state); \ + } \ + \ + for (int i = 0; i < INST_MATRIX_INPUTS(n); i++) { \ + /* Get the input device (port) */ \ + struct device *in_dev = kscan_gpio_input_devices_##n(dev)[i]; \ + /* Get the input device config (pin) */ \ + const struct kscan_gpio_item_config *in_cfg = \ + &kscan_gpio_input_configs_##n(dev)[i]; \ + read_state[i][o] = gpio_pin_get(in_dev, in_cfg->pin) > 0; \ + } \ + } \ + for (int r = 0; r < INST_MATRIX_INPUTS(n); r++) { \ + for (int c = 0; c < INST_MATRIX_OUTPUTS(n); c++) { \ + bool pressed = read_state[r][c]; \ + submit_follow_up_read = (submit_follow_up_read || pressed); \ + if (pressed != data->matrix_state[r][c]) { \ + LOG_DBG("Sending event at %d,%d state %s", r, c, (pressed ? "on" : "off")); \ + data->matrix_state[r][c] = pressed; \ + data->callback(dev, r, c, pressed); \ + } \ + } \ + } \ + if (submit_follow_up_read) { \ + CHECK_DEBOUNCE_CFG(n, ({ k_work_submit(&data->work); }), ({ \ + k_delayed_work_cancel(&data->work); \ + k_delayed_work_submit(&data->work, K_MSEC(5)); \ + })) \ + } \ + return 0; \ + } \ + \ + static void kscan_gpio_work_handler_##n(struct k_work *work) { \ + struct kscan_gpio_data_##n *data = CONTAINER_OF(work, struct kscan_gpio_data_##n, work); \ + kscan_gpio_read_##n(data->dev); \ + } \ + \ + static struct kscan_gpio_data_##n kscan_gpio_data_##n = { \ + .rows = {[INST_MATRIX_INPUTS(n) - 1] = NULL}, .cols = {[INST_DEMUX_GPIOS(n) - 1] = NULL}}; \ + \ + /* KSCAN API configure function */ \ + static int kscan_gpio_configure_##n(struct device *dev, kscan_callback_t callback) { \ + LOG_DBG("KSCAN API configure"); \ + struct kscan_gpio_data_##n *data = dev->driver_data; \ + if (!callback) { \ + return -EINVAL; \ + } \ + data->callback = callback; \ + LOG_DBG("Configured GPIO %d", n); \ + return 0; \ + }; \ + \ + /* KSCAN API enable function */ \ + static int kscan_gpio_enable_##n(struct device *dev) { \ + LOG_DBG("KSCAN API enable"); \ + struct kscan_gpio_data_##n *data = dev->driver_data; \ + /* TODO: we might want a follow up to hook into the sleep state hooks in Zephyr, */ \ + /* and disable this timer when we enter a sleep state */ \ + k_timer_start(&data->poll_timer, K_MSEC(POLL_INTERVAL(n)), K_MSEC(POLL_INTERVAL(n))); \ + return 0; \ + }; \ + \ + /* KSCAN API disable function */ \ + static int kscan_gpio_disable_##n(struct device *dev) { \ + LOG_DBG("KSCAN API disable"); \ + struct kscan_gpio_data_##n *data = dev->driver_data; \ + k_timer_stop(&data->poll_timer); \ + return 0; \ + }; \ + \ + /* GPIO init function*/ \ + static int kscan_gpio_init_##n(struct device *dev) { \ + LOG_DBG("KSCAN GPIO init"); \ + struct kscan_gpio_data_##n *data = dev->driver_data; \ + int err; \ + /* configure input devices*/ \ + struct device **input_devices = kscan_gpio_input_devices_##n(dev); \ + for (int i = 0; i < INST_MATRIX_INPUTS(n); i++) { \ + const struct kscan_gpio_item_config *in_cfg = &kscan_gpio_input_configs_##n(dev)[i]; \ + input_devices[i] = device_get_binding(in_cfg->label); \ + if (!input_devices[i]) { \ + LOG_ERR("Unable to find input GPIO device"); \ + return -EINVAL; \ + } \ + err = gpio_pin_configure(input_devices[i], in_cfg->pin, GPIO_INPUT | in_cfg->flags); \ + if (err) { \ + LOG_ERR("Unable to configure pin %d on %s for input", in_cfg->pin, in_cfg->label); \ + return err; \ + } else { \ + LOG_DBG("Configured pin %d on %s for input", in_cfg->pin, in_cfg->label); \ + } \ + if (err) { \ + LOG_ERR("Error adding the callback to the column device"); \ + return err; \ + } \ + } \ + /* configure output devices*/ \ + struct device **output_devices = kscan_gpio_output_devices_##n(dev); \ + for (int o = 0; o < INST_DEMUX_GPIOS(n); o++) { \ + const struct kscan_gpio_item_config *out_cfg = &kscan_gpio_output_configs_##n(dev)[o]; \ + output_devices[o] = device_get_binding(out_cfg->label); \ + if (!output_devices[o]) { \ + LOG_ERR("Unable to find output GPIO device"); \ + return -EINVAL; \ + } \ + err = gpio_pin_configure(output_devices[o], out_cfg->pin, \ + GPIO_OUTPUT_ACTIVE | out_cfg->flags); \ + if (err) { \ + LOG_ERR("Unable to configure pin %d on %s for output", out_cfg->pin, \ + out_cfg->label); \ + return err; \ + } else { \ + LOG_DBG("Configured pin %d on %s for output", out_cfg->pin, out_cfg->label); \ + } \ + } \ + data->dev = dev; \ + \ + k_timer_init(&data->poll_timer, kscan_gpio_timer_handler, NULL); \ + \ + (CHECK_DEBOUNCE_CFG(n, (k_work_init), (k_delayed_work_init)))( \ + &data->work, kscan_gpio_work_handler_##n); \ + return 0; \ + } \ + \ + static const struct kscan_driver_api gpio_driver_api_##n = { \ + .config = kscan_gpio_configure_##n, \ + .enable_callback = kscan_gpio_enable_##n, \ + .disable_callback = kscan_gpio_disable_##n, \ + }; \ + \ + static const struct kscan_gpio_config_##n kscan_gpio_config_##n = { \ + .rows = {UTIL_LISTIFY(INST_MATRIX_INPUTS(n), _KSCAN_GPIO_INPUT_CFG_INIT, n)}, \ + .cols = {UTIL_LISTIFY(INST_DEMUX_GPIOS(n), _KSCAN_GPIO_OUTPUT_CFG_INIT, n)}, \ + }; \ + \ + DEVICE_AND_API_INIT(kscan_gpio_##n, DT_INST_LABEL(n), kscan_gpio_init_##n, \ + &kscan_gpio_data_##n, &kscan_gpio_config_##n, APPLICATION, \ + CONFIG_APPLICATION_INIT_PRIORITY, &gpio_driver_api_##n); + +DT_INST_FOREACH_STATUS_OKAY(GPIO_INST_INIT) + +#endif /* DT_HAS_COMPAT_STATUS_OKAY(DT_DRV_COMPAT) */ diff --git a/app/src/kscan_mock.c b/app/src/kscan_mock.c index e9c15a0..f1614f1 100644 --- a/app/src/kscan_mock.c +++ b/app/src/kscan_mock.c @@ -18,7 +18,7 @@ LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL); struct kscan_mock_data { kscan_callback_t callback; - u8_t event_index; + u32_t event_index; struct k_delayed_work work; struct device *dev; }; |