ttwrplus: add RGB LED support
Implemented WS2812C support with Zephyr driver. Hooked up the RGB control to the existing RED and GREEN LED support. TG-553
This commit is contained in:
Niccolò Izzo
Silvano Seva
parent
c60f580396
commit
4df315473f
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@ -55,7 +55,7 @@ static void gpio_keys_cb_handler(struct input_event *evt)
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keys &= ~keyCode;
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}
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INPUT_LISTENER_CB_DEFINE(buttons_dev, gpio_keys_cb_handler);
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INPUT_CALLBACK_DEFINE(buttons_dev, gpio_keys_cb_handler);
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void kbd_init()
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@ -24,13 +24,14 @@
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#include <zephyr/drivers/gpio.h>
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#include <zephyr/drivers/sensor.h>
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#include <zephyr/drivers/uart.h>
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#include <zephyr/drivers/led_strip.h>
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#include "pmu.h"
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#define BUTTON_PTT_NODE DT_NODELABEL(button_ptt)
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static const struct gpio_dt_spec button_ptt = GPIO_DT_SPEC_GET_OR(BUTTON_PTT_NODE, gpios, {0});
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static const struct device *const qdec_dev = DEVICE_DT_GET(DT_ALIAS(qdec0));
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static const struct device *const led_dev = DEVICE_DT_GET(DT_ALIAS(led0));
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static const hwInfo_t hwInfo =
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{
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@ -42,6 +43,10 @@ static const hwInfo_t hwInfo =
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.uhf_minFreq = 440,
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};
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// RGB led color data
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static struct led_rgb led_color = {0};
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void platform_init()
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{
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// Setup GPIO for PTT and rotary encoder
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@ -61,6 +66,14 @@ void platform_init()
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// Initialize PMU
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pmu_init();
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// Initialize LED
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if (device_is_ready(led_dev) == false)
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printk("LED device %s is not ready", led_dev->name);
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ret = led_strip_update_rgb(led_dev, &led_color, 1);
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if (ret)
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printk("couldn't update strip: %d", ret);
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}
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void platform_terminate()
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@ -116,12 +129,44 @@ bool platform_pwrButtonStatus()
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void platform_ledOn(led_t led)
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{
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(void) led;
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int ret = 0;
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switch(led)
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{
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case GREEN:
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led_color.g = 0xff;
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break;
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case RED:
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led_color.r = 0xff;
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break;
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default:
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break;
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}
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ret = led_strip_update_rgb(led_dev, &led_color, 1);
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if (ret)
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printk("couldn't update strip: %d", ret);
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}
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void platform_ledOff(led_t led)
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{
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(void) led;
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int ret = 0;
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switch(led)
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{
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case GREEN:
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led_color.g = 0x00;
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break;
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case RED:
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led_color.r = 0x00;
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break;
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default:
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break;
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}
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ret = led_strip_update_rgb(led_dev, &led_color, 1);
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if (ret)
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printk("couldn't update strip: %d", ret);
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}
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void platform_beepStart(uint16_t freq)
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@ -22,6 +22,7 @@
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radio-pdn = &radio_pdn;
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radio-ptt = &radio_ptt;
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qdec0 = &pcnt;
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led0 = &ws2812c;
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};
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chosen {
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@ -52,7 +53,7 @@
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};
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buttons: buttons {
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compatible = "zephyr,gpio-keys";
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compatible = "gpio-keys";
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button_boot: button_0 {
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gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
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@ -117,6 +118,32 @@
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};
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};
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&spi3 {
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#address-cells = <1>;
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#size-cells = <0>;
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line-idle-low; /* Workaround to have low signal for latching */
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status = "okay";
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pinctrl-0 = <&spim3_default>;
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pinctrl-names = "default";
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ws2812c: ws2812@0 {
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compatible = "worldsemi,ws2812-spi";
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/* SPI */
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reg = <0x0>; /* ignored, but necessary for SPI bindings */
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spi-max-frequency = <6400000>;
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/* WS2812C */
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chain-length = <1>; /* arbitrary; change at will */
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spi-cpha;
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spi-one-frame = <0xf0>; /* 11110000: 625 ns high and 625 ns low */
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spi-zero-frame = <0xc0>; /* 11000000: 312.5 ns high and 937.5 ns low */
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color-mapping = <LED_COLOR_ID_GREEN
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LED_COLOR_ID_RED
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LED_COLOR_ID_BLUE>;
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reset-delay = <280>; /* > 280us by WS2812C datasheet */
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};
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};
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&pcnt {
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pinctrl-0 = <&pcnt_default>;
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pinctrl-names = "default";
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@ -184,6 +211,12 @@
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};
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};
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spim3_default: spim3_default {
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group2 {
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pinmux = <SPIM3_MOSI_GPIO42>;
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};
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};
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pcnt_default: pcnt_default {
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group1 {
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pinmux = <PCNT0_CH0SIG_GPIO46>,
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@ -12,7 +12,12 @@ CONFIG_COMMON_LIBC_MALLOC=y
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CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=131072
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CONFIG_NEWLIB_LIBC_MIN_REQUIRED_HEAP_SIZE=0
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CONFIG_INPUT=y
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CONFIG_INPUT_GPIO_KEYS=y
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CONFIG_SENSOR=y
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CONFIG_SERIAL=y
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CONFIG_UART_INTERRUPT_DRIVEN=y
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CONFIG_ASSERT=y
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CONFIG_SPI=y
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CONFIG_LED_STRIP=y
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CONFIG_WS2812_STRIP=y
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CONFIG_WS2812_STRIP_SPI=y
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