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esp_rom: extract common GPIO apis into esp_rom_gpio.h

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This commit is contained in:
morris
2020-06-19 12:00:58 +08:00
parent 59f5e9af37
commit a4d0033c03
89 changed files with 440 additions and 595 deletions
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25
components/soc/src/esp32/rtc_clk.c
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@@ -19,13 +19,15 @@
#include "esp32/rom/ets_sys.h"
#include "esp32/rom/rtc.h"
#include "esp32/rom/uart.h"
#include "esp32/rom/gpio.h"
#include "esp_rom_gpio.h"
#include "soc/rtc.h"
#include "soc/rtc_periph.h"
#include "soc/sens_periph.h"
#include "soc/dport_reg.h"
#include "soc/efuse_periph.h"
#include "soc/apb_ctrl_reg.h"
#include "soc/gpio_struct.h"
#include "hal/gpio_ll.h"
#include "i2c_rtc_clk.h"
#include "soc_log.h"
#include "sdkconfig.h"
@@ -174,22 +176,27 @@ void rtc_clk_32k_bootstrap(uint32_t cycle)
if (cycle){
const uint32_t pin_32 = 32;
const uint32_t pin_33 = 33;
const uint32_t mask_32 = (1 << (pin_32 - 32));
const uint32_t mask_33 = (1 << (pin_33 - 32));
gpio_pad_select_gpio(pin_32);
gpio_pad_select_gpio(pin_33);
gpio_output_set_high(mask_32, mask_33, mask_32 | mask_33, 0);
esp_rom_gpio_pad_select_gpio(pin_32);
esp_rom_gpio_pad_select_gpio(pin_33);
gpio_ll_output_enable(&GPIO, pin_32);
gpio_ll_output_enable(&GPIO, pin_33);
gpio_ll_set_level(&GPIO, pin_32, 1);
gpio_ll_set_level(&GPIO, pin_33, 0);
const uint32_t delay_us = (1000000 / RTC_SLOW_CLK_FREQ_32K / 2);
while(cycle){
gpio_output_set_high(mask_32, mask_33, mask_32 | mask_33, 0);
gpio_ll_set_level(&GPIO, pin_32, 1);
gpio_ll_set_level(&GPIO, pin_33, 0);
ets_delay_us(delay_us);
gpio_output_set_high(mask_33, mask_32, mask_32 | mask_33, 0);
gpio_ll_set_level(&GPIO, pin_33, 1);
gpio_ll_set_level(&GPIO, pin_32, 0);
ets_delay_us(delay_us);
cycle--;
}
gpio_output_set_high(0, 0, 0, mask_32 | mask_33); // disable pins
// disable pins
gpio_ll_output_disable(&GPIO, pin_32);
gpio_ll_output_disable(&GPIO, pin_33);
}
CLEAR_PERI_REG_MASK(RTC_IO_XTAL_32K_PAD_REG, RTC_IO_XPD_XTAL_32K);