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esp_phy: use spinlock to avoid regi2c access conflicts

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This commit is contained in:
Michael (XIAO Xufeng) 2022-03-01 16:12:45 +08:00
parent c419c50c25
commit a8e00c3691
6 changed files with 88 additions and 32 deletions
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30
components/esp_wifi/CMakeLists.txt
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@ -16,23 +16,27 @@ else()
endif()
idf_component_register(SRCS "src/coexist.c"
"src/lib_printf.c"
"src/mesh_event.c"
"src/phy_init.c"
"src/smartconfig.c"
"src/smartconfig_ack.c"
"src/wifi_init.c"
"src/wifi_default.c"
"src/wifi_netif.c"
"${idf_target}/esp_adapter.c"
INCLUDE_DIRS "include" "${idf_target}/include"
PRIV_REQUIRES wpa_supplicant nvs_flash esp_netif driver ${extra_priv_requires}
REQUIRES esp_event
LDFRAGMENTS "${ldfragments}")
"src/lib_printf.c"
"src/mesh_event.c"
"src/phy_init.c"
"src/smartconfig.c"
"src/smartconfig_ack.c"
"src/wifi_init.c"
"src/wifi_default.c"
"src/wifi_netif.c"
"${idf_target}/esp_adapter.c"
"src/phy_override.c"
INCLUDE_DIRS "include" "${idf_target}/include"
PRIV_REQUIRES wpa_supplicant nvs_flash esp_netif driver ${extra_priv_requires}
REQUIRES esp_event
LDFRAGMENTS "${ldfragments}")
idf_build_get_property(build_dir BUILD_DIR)
target_link_libraries(${COMPONENT_LIB} PUBLIC "-L ${CMAKE_CURRENT_SOURCE_DIR}/lib/${idf_target}")
# Override functions in PHY lib with the functions in 'phy_override.c'
target_link_libraries(${COMPONENT_LIB} INTERFACE "-u include_esp_phy_override")
if(link_binary_libs)
if(CONFIG_IDF_TARGET_ESP32)
set(phy phy)

52
components/esp_wifi/src/phy_override.c Normal file
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@ -0,0 +1,52 @@
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdbool.h>
#include "driver/adc.h"
/*
* This file is used to override the hooks provided by the PHY lib for some system features.
* Call phy_override() so that this file will be linked.
*/
static bool s_wifi_adc_xpd_flag;
void include_esp_phy_override(void)
{
/* When this empty function is called, all functions below will be linked. */
}
/* Coordinate ADC power with other modules. */
// It seems that it is only required on ESP32, but we still compile it for all chips, in case it is
// called by PHY unexpectedly.
void set_xpd_sar(bool en)
{
if (s_wifi_adc_xpd_flag == en) {
/* ignore repeated calls to set_xpd_sar when the state is already correct */
return;
}
s_wifi_adc_xpd_flag = en;
if (en) {
adc_power_acquire();
} else {
adc_power_release();
}
}
//add spinlock protection
extern void regi2c_enter_critical(void);
extern void regi2c_exit_critical(void);
void phy_i2c_enter_critical(void)
{
regi2c_enter_critical();
}
void phy_i2c_exit_critical(void)
{
regi2c_exit_critical();
}

20
components/esp_wifi/src/wifi_init.c
View File

@ -21,7 +21,6 @@
#include "esp_wpa.h"
#include "esp_netif.h"
#include "tcpip_adapter_compatible/tcpip_adapter_compat.h"
#include "driver/adc.h"
#if (CONFIG_ESP32_WIFI_RX_BA_WIN > CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM)
#error "WiFi configuration check: WARNING, WIFI_RX_BA_WIN should not be larger than WIFI_DYNAMIC_RX_BUFFER_NUM!"
@ -52,8 +51,6 @@ uint64_t g_wifi_feature_caps =
static const char* TAG = "wifi_init";
static bool s_wifi_adc_xpd_flag;
static void __attribute__((constructor)) s_set_default_wifi_log_level(void)
{
/* WiFi libraries aren't compiled to know CONFIG_LOG_DEFAULT_LEVEL,
@ -198,7 +195,7 @@ esp_err_t esp_wifi_init(const wifi_init_config_t *config)
}
return result;
}
}
}
esp_wifi_config_info();
return result;
@ -221,18 +218,3 @@ void wifi_apb80m_release(void)
}
#endif //CONFIG_PM_ENABLE
/* Coordinate ADC power with other modules. This overrides the function from PHY lib. */
void set_xpd_sar(bool en)
{
if (s_wifi_adc_xpd_flag == en) {
/* ignore repeated calls to set_xpd_sar when the state is already correct */
return;
}
s_wifi_adc_xpd_flag = en;
if (en) {
adc_power_acquire();
} else {
adc_power_release();
}
}

4
components/soc/esp32/i2c_rtc_clk.h
View File

@ -56,6 +56,10 @@ uint8_t regi2c_ctrl_read_reg_mask(uint8_t block, uint8_t host_id, uint8_t reg_ad
void regi2c_ctrl_write_reg(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t data);
void regi2c_ctrl_write_reg_mask(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t msb, uint8_t lsb, uint8_t data);
/* enter the critical section that protects internal registers. Don't use it in SDK. Use the functions above. */
void regi2c_enter_critical(void);
void regi2c_exit_critical(void);
#endif // BOOTLOADER_BUILD
/* Convenience macros for the above functions, these use register definitions

4
components/soc/esp32s2beta/i2c_rtc_clk.h
View File

@ -56,6 +56,10 @@ uint8_t regi2c_ctrl_read_reg_mask(uint8_t block, uint8_t host_id, uint8_t reg_ad
void regi2c_ctrl_write_reg(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t data);
void regi2c_ctrl_write_reg_mask(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t msb, uint8_t lsb, uint8_t data);
/* enter the critical section that protects internal registers. Don't use it in SDK. Use the functions above. */
void regi2c_enter_critical(void);
void regi2c_exit_critical(void);
#endif // BOOTLOADER_BUILD
/* Convenience macros for the above functions, these use register definitions

10
components/soc/src/regi2c_ctrl.c
View File

@ -47,3 +47,13 @@ void IRAM_ATTR regi2c_ctrl_write_reg_mask(uint8_t block, uint8_t host_id, uint8_
i2c_write_reg_mask_raw(block, host_id, reg_add, msb, lsb, data);
portEXIT_CRITICAL_SAFE(&mux);
}
void IRAM_ATTR regi2c_enter_critical(void)
{
portENTER_CRITICAL_SAFE(&mux);
}
void IRAM_ATTR regi2c_exit_critical(void)
{
portEXIT_CRITICAL_SAFE(&mux);
}