Files
AC707N/SDK/cpu/br35/periph/touch/lpctmu_hw.c
T
2025-12-03 11:12:34 +08:00

458 lines
13 KiB
C

#include "system/includes.h"
#include "asm/power_interface.h"
#include "asm/lpctmu_hw.h"
#include "asm/charge.h"
#include "app_charge.h"
#include "gpadc.h"
#include "app_config.h"
#if TCFG_LPCTMU_ENABLE
#if 1
#define LOG_TAG_CONST LP_KEY
#define LOG_TAG "[LP_KEY]"
/* #define LOG_ERROR_ENABLE */
/* #define LOG_DEBUG_ENABLE */
#define LOG_INFO_ENABLE
#define LOG_DUMP_ENABLE
#define LOG_CLI_ENABLE
#include "debug.h"
#else
#define log_debug printf
#endif
static const u8 ch_port[LPCTMU_CHANNEL_SIZE] = {
IO_PORTB_00,
IO_PORTB_01,
IO_PORTB_02,
IO_PORTB_03,
IO_PORTB_04,
};
static struct lpctmu_config_data *__this = NULL;
static u8 lpctmu_timer_cmd;
void lpctmu_send_m2p_cmd(enum CTMU_M2P_CMD cmd)
{
P2M_CTMU_CMD_ACK = 0;
M2P_CTMU_CMD = cmd;
P11_SYSTEM->M2P_INT_SET = BIT(M2P_CTMU_INDEX);
while (!(P2M_CTMU_CMD_ACK));
}
u32 lpctmu_get_cur_ch_by_idx(u32 ch_idx)
{
ch_idx %= __this->ch_num;
return __this->ch_list[ch_idx];
}
u32 lpctmu_get_idx_by_cur_ch(u32 cur_ch)
{
for (u32 ch_idx = 0; ch_idx < __this->ch_num; ch_idx ++) {
if (cur_ch == __this->ch_list[ch_idx]) {
return ch_idx;
}
}
return 0;
}
u32 lpctmu_get_cur_ch_res(u32 cur_ch)
{
u32 res = 0;
res = (P2M_MESSAGE_ACCESS(P2M_MASSAGE_CTMU_CH0_H_RES + cur_ch * 2)) << 8;
res |= (P2M_MESSAGE_ACCESS(P2M_MASSAGE_CTMU_CH0_L_RES + cur_ch * 2)) << 0;
return res;
}
void lpctmu_port_init(u32 ch)
{
u8 port = ch_port[ch];
gpio_set_mode(port / 16, BIT(port % 16), PORT_HIGHZ);
SFR(P11_PORT->PB_SEL, ch, 1, 1);
SFR(P11_PORT->PB_DIR, ch, 1, 1);
SFR(P11_PORT->PB_DIE, ch, 1, 0);
SFR(P11_PORT->PB_PU0, ch, 1, 0);
SFR(P11_PORT->PB_PU1, ch, 1, 0);
SFR(P11_PORT->PB_PD0, ch, 1, 0);
SFR(P11_PORT->PB_PD1, ch, 1, 0);
}
void lpctmu_set_ana_hv_level(u32 level)
{
SFR(P11_LPCTM0->ANA0, 5, 3, level & 0b111);
}
u32 lpctmu_get_ana_hv_level(void)
{
u32 level = (P11_LPCTM0->ANA0 >> 5) & 0b111;
return level;
}
void lpctmu_vsel_trim(void)
{
if (__this->pdata->aim_vol_delta < 8) {
lpctmu_set_ana_hv_level(__this->pdata->aim_vol_delta);
SFR(P11_LPCTM0->ANA1, 0, 2, 0b00);//关闭HV/LV
log_debug("hv_level = %d", __this->pdata->aim_vol_delta);
return;
}
SFR(P11_LPCTM0->ANA1, 0, 2, 0b01);//先使能LV
u32 lv_vol = adc_get_voltage_blocking(AD_CH_LPCTMU); //阻塞式采集一个指定通道的电压值(经过均值滤波处理)
log_debug("lv_vol = %dmv", lv_vol);
SFR(P11_LPCTM0->ANA1, 0, 2, 0b10);//再使能HV
u32 delta, diff, diff_min = -1;
u8 aim_hv_level = 7;
for (u8 hv_level = 0; hv_level < 8; hv_level ++) {
lpctmu_set_ana_hv_level(hv_level);
u32 hv_vol = adc_get_voltage_blocking(AD_CH_LPCTMU); //阻塞式采集一个指定通道的电压值(经过均值滤波处理)
log_debug("hv_vol = %dmv", hv_vol);
if (hv_vol > lv_vol) {
delta = hv_vol - lv_vol;
} else {
delta = lv_vol - hv_vol;
}
if (delta > __this->pdata->aim_vol_delta) {
diff = delta - __this->pdata->aim_vol_delta;
} else {
diff = __this->pdata->aim_vol_delta - delta;
}
if (diff_min >= diff) {
diff_min = diff;
aim_hv_level = hv_level;
}
}
log_debug("hv_level = %d diff %d", aim_hv_level, diff_min);
lpctmu_set_ana_hv_level(aim_hv_level);
SFR(P11_LPCTM0->ANA1, 0, 2, 0b00);//关闭HV/LV
}
u32 lpctmu_get_charge_clk(void)
{
#if 0
JL_GPCNT0->CON = BIT(30);
SFR(P11_PORT->OCH_CON0, 8, 4, 9);//p11 output_ch2 sel lpctmu_test
SFR(JL_GPCNT0->CON, 1, 5, 17);//次时钟选择p11_dbg_out
SFR(JL_GPCNT0->CON, 16, 4, 8); //主时钟周期数:32 * 2^n = 8192
SFR(JL_GPCNT0->CON, 8, 5, 15); //主时钟选择std24m
JL_GPCNT0->CON |= BIT(30) | BIT(0);
while (!(JL_GPCNT0->CON & BIT(31)));
u32 gpcnt_num = JL_GPCNT0->NUM;
JL_GPCNT0->CON &= ~BIT(0);
u32 std24m_clk_khz = 24000;
u32 charge_clk = std24m_clk_khz * gpcnt_num / 8192;
log_debug("gpcnt_num = %d charge_clk = %dKHz\n", gpcnt_num, charge_clk);
#else
P11_LPCTM0->WCON |= BIT(6); //clear pend
P11_LPCTM0->WCON |= BIT(0); //kick
while (!(P11_LPCTM0->CON0 & BIT(7)));//wait pend
P11_LPCTM0->WCON |= BIT(6); //clear pend
u32 res = (P11_LPCTM0->RES & 0xffffff);
u32 charge_clk = res / __this->pdata->sample_window_time;
log_debug("lpctmu_res = %d charge_clk = %dKHz\n", res, charge_clk);
#endif
return charge_clk;
}
void lpctmu_set_ana_cur_level(u32 ch, u32 cur_level)
{
SFR(P11_LPCTM0->CHIS, ch * 4, 3, cur_level);
}
u32 lpctmu_get_ana_cur_level(u32 ch)
{
u32 level = (P11_LPCTM0->CHIS >> (ch * 4)) & 0b111;
return level;
}
void lpctmu_isel_trim(u8 ch)
{
SFR(P11_LPCTM0->ANA1, 4, 4, ch + 1);//使能对应通道
u32 diff, diff_min = -1;
u8 aim_cur_level = 7;
if (__this->pdata->aim_charge_khz < 8) {
aim_cur_level = __this->pdata->aim_charge_khz;
} else {
for (u8 cur_level = 0; cur_level < 8; cur_level ++) {
SFR(P11_LPCTM0->ANA0, 1, 3, cur_level);
lpctmu_set_ana_cur_level(ch, cur_level);
u32 charge_clk = lpctmu_get_charge_clk();
if (charge_clk > __this->pdata->aim_charge_khz) {
diff = charge_clk - __this->pdata->aim_charge_khz;
} else {
diff = __this->pdata->aim_charge_khz - charge_clk;
}
if (diff_min >= diff) {
diff_min = diff;
aim_cur_level = cur_level;
}
}
}
log_debug("ch%d cur_level = %d diff %d", ch, aim_cur_level, diff_min);
SFR(P11_LPCTM0->ANA0, 1, 3, aim_cur_level);
lpctmu_set_ana_cur_level(ch, aim_cur_level);
}
void lpctmu_vsel_isel_trim(void)
{
SFR(P11_LPCTM0->ANA1, 3, 1, 1);//软件控制
SFR(P11_LPCTM0->ANA1, 2, 1, 1);//模拟模块偏置使能
SFR(P11_LPCTM0->ANA0, 0, 1, 1);//模拟模块使能
SFR(P11_LPCTM0->ANA1, 4, 4, 0);//先不使能任何通道
lpctmu_vsel_trim();
for (u32 ch_idx = 0; ch_idx < __this->ch_num; ch_idx ++) {
lpctmu_isel_trim(__this->ch_list[ch_idx]);
}
}
void lpctmu_lptimer_disable(void)
{
lpctmu_timer_cmd = REQUEST_LPCTMU_TIMER_DEL;
lpctmu_send_m2p_cmd(lpctmu_timer_cmd);
}
void lpctmu_lptimer_enable(void)
{
lpctmu_timer_cmd = REQUEST_LPCTMU_TIMER_ADD;
lpctmu_send_m2p_cmd(lpctmu_timer_cmd);
}
u32 lpctmu_lptimer_is_working(void)
{
if (lpctmu_timer_cmd == REQUEST_LPCTMU_TIMER_ADD) {
return 1;
}
return 0;
}
void lpctmu_lptimer_init(u32 scan_time)
{
lpctmu_lptimer_enable();
}
void lpctmu_dump(void)
{
log_debug("P11_LPCTM0->CON0 = 0x%x", P11_LPCTM0->CON0);
log_debug("P11_LPCTM0->CHEN = 0x%x", P11_LPCTM0->CHEN);
log_debug("P11_LPCTM0->CNUM = 0x%x", P11_LPCTM0->CNUM);
log_debug("P11_LPCTM0->PPRD = 0x%x", P11_LPCTM0->PPRD);
log_debug("P11_LPCTM0->DPRD = 0x%x", P11_LPCTM0->DPRD);
log_debug("P11_LPCTM0->ECON = 0x%x", P11_LPCTM0->ECON);
log_debug("P11_LPCTM0->EXEN = 0x%x", P11_LPCTM0->EXEN);
log_debug("P11_LPCTM0->CHIS = 0x%x", P11_LPCTM0->CHIS);
log_debug("P11_LPCTM0->CLKC = 0x%x", P11_LPCTM0->CLKC);
log_debug("P11_LPCTM0->WCON = 0x%x", P11_LPCTM0->WCON);
log_debug("P11_LPCTM0->ANA0 = 0x%x", P11_LPCTM0->ANA0);
log_debug("P11_LPCTM0->ANA1 = 0x%x", P11_LPCTM0->ANA1);
log_debug("P11_LPCTM0->RES = %d", P11_LPCTM0->RES);
log_debug("P11_LPCTM0->DMA_START_ADR = %d", P11_LPCTM0->DMA_START_ADR);
log_debug("P11_LPCTM0->DMA_HALF_ADR = %d", P11_LPCTM0->DMA_HALF_ADR);
log_debug("P11_LPCTM0->DMA_END_ADR = %d", P11_LPCTM0->DMA_END_ADR);
log_debug("P11_LPCTM0->DMA_CON = 0x%x", P11_LPCTM0->DMA_CON);
log_debug("P11_LPCTM0->MSG_CON = 0x%x", P11_LPCTM0->MSG_CON);
log_debug("P11_LPCTM0->DMA_WADR = 0x%x", P11_LPCTM0->DMA_WADR);
log_debug("P11_LPCTM0->SLEEP_CON = 0x%x", P11_LPCTM0->SLEEP_CON);
}
void lpctmu_init(struct lpctmu_config_data *cfg_data)
{
printf("%s() : %d\n", __func__, __LINE__);
__this = cfg_data;
if (!__this) {
return;
}
__this->ch_num = 0;
__this->ch_wkp_en = 0;
__this->softoff_wakeup_cfg = 0;
for (u32 ch = 0; ch < LPCTMU_CHANNEL_SIZE; ch ++) {
if (__this->ch_en & BIT(ch)) {
__this->ch_list[__this->ch_num] = ch;
__this->ch_num ++;
}
}
for (u32 ch_idx = 0; ch_idx < __this->ch_num; ch_idx ++) {
lpctmu_port_init(__this->ch_list[ch_idx]);
}
M2P_CTMU_CH_ENABLE = __this->ch_en;
M2P_CTMU_CH_WAKEUP_EN = __this->ch_wkp_en;
M2P_CTMU_SCAN_TIME = __this->pdata->sample_scan_time;
M2P_CTMU_LOWPOER_SCAN_TIME = __this->pdata->lowpower_sample_scan_time;
if (!is_wakeup_source(PWR_WK_REASON_P11)) {
memset(P11_LPCTM0, 0, sizeof(P11_LPCTM_TypeDef));
lpctmu_send_m2p_cmd(REQUEST_LPCTMU_IRQ);
//时钟源配置
u32 lpctmu_clk = clk_get("lrc");
log_debug("lpctmu_clk = %dHz", lpctmu_clk);
SFR(P11_LPCTM0->CLKC, 0, 2, 0); //ctm_clk_p sel lrc200KHz
//设置分频
SFR(P11_LPCTM0->CLKC, 6, 1, 0); //divB = 1分频
SFR(P11_LPCTM0->CLKC, 7, 1, 0); //divC = 1分频
SFR(P11_LPCTM0->CLKC, 3, 3, 2); //div = 2^2 = 4分频
/**********************/
//通道采集前的待稳定时间配置
SFR(P11_LPCTM0->PPRD, 4, 4, 9); //prp_prd = (9 + 1) * t 约等 50us > 10us
//多通道轮询采集, 切通道时, 通道与通道的间隙时间配置
SFR(P11_LPCTM0->PPRD, 0, 4, 9); //stop_prd= (9 + 1) * t 约等 50us > 10us
//每个通道采集的周期,常设几个毫秒
u8 det_prd = __this->pdata->sample_window_time * lpctmu_clk / 4 / 1000 - 1;
SFR(P11_LPCTM0->DPRD, 0, 8, det_prd);
SFR(P11_LPCTM0->CON0, 2, 1, 1); //LPCTM WKUP en
SFR(P11_LPCTM0->CON0, 4, 1, 1); //模拟滤波使能
SFR(P11_LPCTM0->CON0, 1, 1, 0); //模块的中断不使能
SFR(P11_LPCTM0->CON0, 0, 1, 1); //模块总开关
lpctmu_vsel_isel_trim();
SFR(P11_LPCTM0->ANA0, 0, 1, 0);
SFR(P11_LPCTM0->ANA1, 3, 1, 0);
SFR(P11_LPCTM0->ANA1, 2, 1, 0);
SFR(P11_LPCTM0->CHEN, 0, 5, __this->ch_en);
if (__this->pdata->ext_stop_ch_en) {
SFR(P11_LPCTM0->EXEN, 0, 5, __this->pdata->ext_stop_ch_en);
SFR(P11_LPCTM0->ECON, 2, 2, __this->pdata->ext_stop_sel);
SFR(P11_LPCTM0->ECON, 0, 1, 1);//与蓝牙的互斥使能
extern void set_bt_wl_rab_wl2ext(u8 wl2ext_act0, u8 wl2ext_act1);
set_bt_wl_rab_wl2ext(RF_TX_LDO, RF_TX_EN);
}
SFR(P11_LPCTM0->WCON, 6, 1, 1); //clear pnd
SFR(P11_LPCTM0->CON0, 0, 1, 0); //模块先关闭
SFR(P11_LPCTM0->CON0, 1, 1, 1); //模块的RES中断使能
}
lpctmu_lptimer_init(__this->pdata->sample_scan_time);
lpctmu_dump();
}
void lpctmu_disable(void)
{
lpctmu_lptimer_disable();
}
void lpctmu_enable(void)
{
lpctmu_lptimer_enable();
}
static int lpctmu_charge_msg_handler(int msg, int type)
{
switch (msg) {
case CHARGE_EVENT_LDO5V_IN:
lpctmu_disable();
break;
case CHARGE_EVENT_CHARGE_FULL:
case CHARGE_EVENT_LDO5V_KEEP:
case CHARGE_EVENT_LDO5V_OFF:
lpctmu_enable();
break;
}
return 0;
}
APP_CHARGE_HANDLER(lpctmu_charge_msg_entry, 0) = {
.handler = lpctmu_charge_msg_handler,
};
u32 lpctmu_is_sf_keep(void)
{
/* extern void pvdd_output(u32 output); */
/* pvdd_output(1); */
if (!__this) {
return 0;
}
u32 lpctmu_softoff_keep_work;
if (lpctmu_lptimer_is_working()) {
switch (__this->softoff_wakeup_cfg) {
case LPCTMU_WAKEUP_DISABLE:
lpctmu_softoff_keep_work = 0;
break;
case LPCTMU_WAKEUP_EN_WITHOUT_CHARGE_ONLINE:
lpctmu_softoff_keep_work = 1;
if (get_charge_online_flag()) {
lpctmu_softoff_keep_work = 0;
}
break;
case LPCTMU_WAKEUP_EN_ALWAYS:
lpctmu_softoff_keep_work = 1;
break;
default :
lpctmu_softoff_keep_work = 1;
break;
}
if (lpctmu_softoff_keep_work == 0) {
lpctmu_disable();
return 0;
} else {
return 1;
}
}
return 0;
}
/**************************************************************************
* SDK 测试函数
**************************************************************************/
void lpctmu_res_deal(void *priv)
{
u32 res = lpctmu_get_cur_ch_res(1);
printf("res = %d\n", res);
}
void lpctmu_test(void)
{
sys_timer_add(NULL, lpctmu_res_deal, 20);
}
#else /* #if TCFG_LPCTMU_ENABLE */
u32 lpctmu_is_sf_keep(void)
{
return 0;
}
#endif /* #if TCFG_LPCTMU_ENABLE */