121 lines
3.1 KiB
C
121 lines
3.1 KiB
C
#include "hsf.h"
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#if defined(CONFIG_PWM_SUPPORT_LPM)
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#include "pm_veto.h"
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#endif
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#include "pinctrl.h"
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#include "gpio.h"
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#include "pwm.h"
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// #include "tcxo.h"
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#include "spotlight.h"
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#define BRIGHTNESS_PIN GPIO_00
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#define CCT_PIN GPIO_04
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#define SWITCH_PIN GPIO_13
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#define BRIGHTNESS_PWM_CHANNEL 0
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#define CCT_PWM_CHANNEL 4
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#define CONFIG_PWM_GROUP_ID 0
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static errcode_t pwm_sample_callback(uint8_t channel)
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{
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e_printf("PWM %d, cycle done. \r\n", channel);
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return ERRCODE_SUCC;
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}
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static void gpio_init(pin_t pin)
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{
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/* PINCTRL init. */
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uapi_pin_init();
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uapi_pin_set_mode(pin, HAL_PIO_FUNC_GPIO);
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uapi_gpio_set_dir(pin, GPIO_DIRECTION_OUTPUT);
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uapi_pin_set_ds(pin, PIN_DS_3);
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uapi_pin_set_pull(pin, PIN_PULL_TYPE_DOWN);
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uapi_gpio_set_val(pin, GPIO_LEVEL_LOW);
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}
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static void pwm_sys_init() {
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uapi_pwm_deinit();
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uapi_pwm_init();
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}
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static void pwm_init(pin_t pin, pin_t pin1, uint8_t channel, uint channel1)
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{
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pwm_config_t cfg_no_repeat = {
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0,
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0,
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0,
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0,
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true
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};
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uint32_t frequency = uapi_pwm_get_frequency(channel);
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e_printf("pwm基础时钟频率为: %dHZ\r\n", frequency);
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// 计算1KHz PWM所需的周期值（高电平+低电平）
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uint32_t total_period = frequency / 1000;
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// 50%占空比，高低电平时间相等
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cfg_no_repeat.high_time = total_period / 2;
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cfg_no_repeat.low_time = total_period / 2;
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e_printf("设置1KHz PWM，50%%占空比，周期值: %d\r\n", total_period);
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uapi_pin_set_mode(pin, PIN_MODE_3); //set pin as pwm output
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uapi_pin_set_mode(pin1, PIN_MODE_3); //set pin as pwm output
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uapi_pwm_open(channel, &cfg_no_repeat);
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uapi_pwm_open(channel1, &cfg_no_repeat);
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// uapi_tcxo_delay_ms((uint32_t)TEST_TCXO_DELAY_1000MS);
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// uapi_pwm_unregister_interrupt(channel);
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// uapi_pwm_register_interrupt(channel, pwm_sample_callback);
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#ifdef CONFIG_PWM_USING_V151
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uint8_t channel_id[2] = {channel, channel1};
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/* channel_id can also choose to configure multiple channels, and the third parameter also needs to be adjusted
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accordingly. */
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uapi_pwm_set_group(CONFIG_PWM_GROUP_ID, channel_id, 2);
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#else
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uapi_pwm_start(channel);
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#endif
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}
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void pwm_start()
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{
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#ifdef CONFIG_PWM_USING_V151
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/* Here you can also call the uapi_pwm_start interface to open each channel individually. */
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uapi_pwm_start_group(CONFIG_PWM_GROUP_ID);
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#endif
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}
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void pwm_sys_deinit(void)
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{
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// uapi_tcxo_delay_ms((uint32_t)TEST_TCXO_DELAY_1000MS);
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#ifdef CONFIG_PWM_USING_V151
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uapi_pwm_close(CONFIG_PWM_GROUP_ID);
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#else
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uapi_pwm_close(CONFIG_PWM_CHANNEL);
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#endif
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// uapi_tcxo_delay_ms((uint32_t)TEST_TCXO_DELAY_1000MS);
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uapi_pwm_deinit();
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}
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static void pwm_entry(void)
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{
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pwm_sys_init();
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pwm_init(BRIGHTNESS_PIN, BRIGHTNESS_PWM_CHANNEL, CCT_PIN, CCT_PWM_CHANNEL);
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pwm_start();
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}
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int spotlight_main(void) {
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gpio_init(SWITCH_PIN);
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pwm_entry();
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while (1) {
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e_printf("spotlight_main\r\n");
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uapi_gpio_toggle(SWITCH_PIN);
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msleep(1000);
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}
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return 0;
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}
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