240 lines
7.4 KiB
C
240 lines
7.4 KiB
C
#include "kt_fan_ac.h"
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#include "asm/mcpwm.h"
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#include "system/timer.h"
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#include "tone_player.h"
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#include "kt_led7.h"
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typedef struct _kt_fan_ac_var_
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{
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kt_fan_level_type front_fan_level; // 前风扇档位
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kt_fan_level_type rear_fan_level; // 后风扇档位
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kt_fan_level_type lr_fan_level; // 左右风扇档位
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kt_ac_level_type ac_level; // 空调档位
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} _kt_fan_ac_var;
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static _kt_fan_ac_var kt_fan_ac_var;
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#define __this (&kt_fan_ac_var)
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#define KT_FAN_PWM_FREQ 50000
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#define KT_AC_PWM_FREQ 100000
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#define KT_AC_RUN_DUTY 4000 /* 空调运行占空比 40% */
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#define KT_AC_BURST_MS 1000 /* AC1 断续：1s 开 / 1s 关 */
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/* 1: 上电即输出不同占空比，便于示波器/万用表区分各路；量产改 0 */
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#define KT_PWM_BOOT_TEST_EN 0
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const u32 fan_level_duty[7] = {0, 1500, 4000, 6000, 7000, 8000, 9500};
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static u16 ac_burst_timer;
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static u8 ac_burst_pwm_on;
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const char *front_fan_level_tone[7] = {TONE_FFAN_L0, TONE_FFAN_L1, TONE_FFAN_L2, TONE_FFAN_L3, TONE_FFAN_L4, TONE_FFAN_L5, TONE_FFAN_L6};
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const char *rear_fan_level_tone[7] = {TONE_BFAN_L0, TONE_BFAN_L1, TONE_BFAN_L2, TONE_BFAN_L3, TONE_BFAN_L4, TONE_BFAN_L5, TONE_BFAN_L6};
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const char *lr_fan_level_tone[7] = {TONE_CFAN_L0, TONE_CFAN_L1, TONE_CFAN_L2, TONE_CFAN_L3, TONE_CFAN_L4, TONE_CFAN_L5, TONE_CFAN_L6};
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const char *ac_level_tone[3] = {TONE_AC_L0, TONE_AC_L1, TONE_AC_L2};
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extern void mcpwm_init(struct pwm_platform_data *arg);
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extern void mcpwm_set_duty(pwm_ch_num_type pwm_ch, pwm_timer_num_type timer_ch, u16 duty);
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static void kt_ac_burst_stop(void)
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{
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if (ac_burst_timer) {
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sys_timer_del(ac_burst_timer);
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ac_burst_timer = 0;
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}
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}
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static void kt_ac_pwm_output(u16 duty)
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{
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mcpwm_set_duty(pwm_ch3, pwm_timer3, duty);
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}
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static void kt_ac_burst_cb(void *priv)
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{
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(void)priv;
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if (__this->ac_level != ac_level_1) {
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return;
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}
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ac_burst_pwm_on = !ac_burst_pwm_on;
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kt_ac_pwm_output(ac_burst_pwm_on ? KT_AC_RUN_DUTY : 0);
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}
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static void kt_ac_apply_mode(void)
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{
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kt_ac_burst_stop();
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switch (__this->ac_level) {
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case ac_level_0:
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ac_burst_pwm_on = 0;
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kt_ac_pwm_output(0);
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break;
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case ac_level_1:
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ac_burst_pwm_on = 1;
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kt_ac_pwm_output(KT_AC_RUN_DUTY);
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ac_burst_timer = sys_timer_add(NULL, kt_ac_burst_cb, KT_AC_BURST_MS);
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break;
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case ac_level_2:
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ac_burst_pwm_on = 1;
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kt_ac_pwm_output(KT_AC_RUN_DUTY);
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break;
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default:
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ac_burst_pwm_on = 0;
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kt_ac_pwm_output(0);
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break;
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}
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}
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void kt_fan_ac_init(void)
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{
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/*
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* 前风扇 PB5 : MCPWM CH0 + output_channel 0（非硬件脚）
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* 后风扇 PB6 : MCPWM CH2 L 硬件脚
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* 左右风扇 PA10: MCPWM CH4 L 硬件脚
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* 空调 PB9 : MCPWM CH3 H 硬件脚（100kHz）
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*/
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#if KT_PWM_BOOT_TEST_EN
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/* 前15% / 后40% / 左右60% / 空调80%，上电即可区分四路 */
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__this->front_fan_level = fan_level_1;
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__this->rear_fan_level = fan_level_2;
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__this->lr_fan_level = fan_level_3;
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__this->ac_level = ac_level_2;
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#else
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__this->front_fan_level = fan_level_0;
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__this->rear_fan_level = fan_level_0;
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__this->lr_fan_level = fan_level_0;
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__this->ac_level = ac_level_0;
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#endif
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struct pwm_platform_data pwm_p_data;
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/* 前风扇 PB5 */
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pwm_p_data.pwm_aligned_mode = pwm_edge_aligned;
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pwm_p_data.frequency = KT_FAN_PWM_FREQ;
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pwm_p_data.pwm_ch_num = pwm_ch0;
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pwm_p_data.pwm_timer_num = pwm_timer0;
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pwm_p_data.duty = fan_level_duty[__this->front_fan_level];
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pwm_p_data.h_pin = KT_CFG_FRONT_FAN_PIN;
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pwm_p_data.l_pin = -1;
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pwm_p_data.h_pin_output_ch_num = 0;
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pwm_p_data.complementary_en = 0;
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mcpwm_init(&pwm_p_data);
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/* 后风扇 PB6 */
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pwm_p_data.pwm_aligned_mode = pwm_edge_aligned;
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pwm_p_data.frequency = KT_FAN_PWM_FREQ;
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pwm_p_data.pwm_ch_num = pwm_ch2;
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pwm_p_data.pwm_timer_num = pwm_timer2;
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pwm_p_data.duty = fan_level_duty[__this->rear_fan_level];
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pwm_p_data.h_pin = -1;
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pwm_p_data.l_pin = KT_CFG_REAR_FAN_PIN;
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pwm_p_data.complementary_en = 0;
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mcpwm_init(&pwm_p_data);
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/* 左右风扇 PA10 */
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pwm_p_data.pwm_aligned_mode = pwm_edge_aligned;
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pwm_p_data.frequency = KT_FAN_PWM_FREQ;
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pwm_p_data.pwm_ch_num = pwm_ch4;
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pwm_p_data.pwm_timer_num = pwm_timer4;
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pwm_p_data.duty = fan_level_duty[__this->lr_fan_level];
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pwm_p_data.h_pin = -1;
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pwm_p_data.l_pin = KT_CFG_LR_FAN_PIN;
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pwm_p_data.complementary_en = 0;
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mcpwm_init(&pwm_p_data);
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/* 空调 PB9 */
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pwm_p_data.pwm_aligned_mode = pwm_edge_aligned;
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pwm_p_data.frequency = KT_AC_PWM_FREQ;
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pwm_p_data.pwm_ch_num = pwm_ch3;
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pwm_p_data.pwm_timer_num = pwm_timer3;
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pwm_p_data.duty = 0;
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pwm_p_data.h_pin = KT_CFG_AIR_COND_PIN;
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pwm_p_data.l_pin = -1;
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pwm_p_data.complementary_en = 0;
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mcpwm_init(&pwm_p_data);
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kt_ac_apply_mode();
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#if KT_PWM_BOOT_TEST_EN
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printf("PWM boot test: PB5=%u%% PB6=%u%% PA10=%u%% PB9=AC%d\n",
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fan_level_duty[__this->front_fan_level] / 100,
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fan_level_duty[__this->rear_fan_level] / 100,
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fan_level_duty[__this->lr_fan_level] / 100,
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__this->ac_level);
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#endif
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}
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void kt_fan_level_tone_play(kt_fan_type fan)
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{
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if (fan == fan_type_front)
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{
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char str[6] = {0};
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sprintf(str, "L-%d", __this->front_fan_level);
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kt_led7_show_string(3, 0, (const u8 *)str, 0, 0);
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tone_play(front_fan_level_tone[__this->front_fan_level], 0);
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}
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else if (fan == fan_type_rear)
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{
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char str[6] = {0};
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sprintf(str, "F-%d", __this->rear_fan_level);
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kt_led7_show_string(3, 0, (const u8 *)str, 0, 0);
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tone_play(rear_fan_level_tone[__this->rear_fan_level], 0);
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}
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else if (fan == fan_type_lr)
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{
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char str[6] = {0};
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sprintf(str, "C-%d", __this->lr_fan_level);
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kt_led7_show_string(3, 0, (const u8 *)str, 0, 0);
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tone_play(lr_fan_level_tone[__this->lr_fan_level], 0);
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}
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else
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{
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char str[6] = {0};
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sprintf(str, "AC%d", __this->ac_level);
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kt_led7_show_string(3, 0, (const u8 *)str, 0, 0);
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tone_play(ac_level_tone[__this->ac_level], 0);
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}
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}
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void kt_fan_level_change(kt_fan_type fan)
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{
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if (fan == fan_type_front)
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{
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__this->front_fan_level++;
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if (__this->front_fan_level > fan_level_6)
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{
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__this->front_fan_level = fan_level_0;
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}
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kt_fan_level_tone_play(fan_type_front);
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mcpwm_set_duty(pwm_ch0, pwm_timer0, fan_level_duty[__this->front_fan_level]);
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}
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else if (fan == fan_type_rear)
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{
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__this->rear_fan_level++;
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if (__this->rear_fan_level > fan_level_6)
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{
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__this->rear_fan_level = fan_level_0;
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}
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kt_fan_level_tone_play(fan_type_rear);
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mcpwm_set_duty(pwm_ch2, pwm_timer2, fan_level_duty[__this->rear_fan_level]);
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}
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else if (fan == fan_type_lr)
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{
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__this->lr_fan_level++;
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if (__this->lr_fan_level > fan_level_6)
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{
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__this->lr_fan_level = fan_level_0;
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}
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kt_fan_level_tone_play(fan_type_lr);
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mcpwm_set_duty(pwm_ch4, pwm_timer4, fan_level_duty[__this->lr_fan_level]);
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}
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else
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{
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__this->ac_level++;
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if (__this->ac_level > ac_level_2)
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{
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__this->ac_level = ac_level_0;
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}
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kt_fan_level_tone_play(fan_type_ac);
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kt_ac_apply_mode();
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}
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}
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