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Enabled SX_LNA_EN by default (#10469)

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* Enabled SX_LNA_EN by default
* Update I2C configuration for IO direction and pull settings

---------

Co-authored-by: Thomas Göttgens <tgoettgens@gmail.com>
This commit is contained in:
Riker
2026-05-19 14:31:42 +08:00
committed by Ben Meadors
parent e2aa44ec54
commit 0f9eb86830
1 changed files with 11 additions and 9 deletions
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20
variants/esp32c6/m5stack_unitc6l/variant.cpp
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@@ -52,23 +52,25 @@ void c6l_init()
vTaskDelay(10 / portTICK_PERIOD_MS);
i2c_read_byte(PI4IO_M_ADDR, PI4IO_REG_CHIP_RESET, &in_data);
vTaskDelay(10 / portTICK_PERIOD_MS);
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_IO_DIR, 0b11000000); // 0: input 1: output
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_IO_DIR, 0b11100000); // P5,P6,P7 as outputs
vTaskDelay(10 / portTICK_PERIOD_MS);
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_OUT_H_IM, 0b00111100); // 使用到的引脚关闭High-Impedance
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_OUT_H_IM, 0b00011100); // High-Impedance
vTaskDelay(10 / portTICK_PERIOD_MS);
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_PULL_SEL, 0b11000011); // pull up/down select, 0 down, 1 up
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_PULL_SEL, 0b11100011); // pull up/down select, 0 down, 1 up
vTaskDelay(10 / portTICK_PERIOD_MS);
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_PULL_EN, 0b11000011); // pull up/down enable, 0 disable, 1 enable
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_PULL_EN, 0b11100011); // pull up/down enable, 0 disable, 1 enable
vTaskDelay(10 / portTICK_PERIOD_MS);
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_IN_DEF_STA, 0b00000011); // P0 P1 默认高电平, 按键按下触发中断
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_IN_DEF_STA, 0b00000011); // P0 P1 default to high level; button press triggers the interrupt
vTaskDelay(10 / portTICK_PERIOD_MS);
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_INT_MASK, 0b11111100); // P0 P1 中断使能 0 enable, 1 disable
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_INT_MASK, 0b11111100); // P0 P1 interrupts enabled (0 = enable, 1 = disable)
vTaskDelay(10 / portTICK_PERIOD_MS);
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_OUT_SET, 0b10000000); // 默认输出为0
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_OUT_SET, 0b10000000); // default output is 0
vTaskDelay(10 / portTICK_PERIOD_MS);
i2c_read_byte(PI4IO_M_ADDR, PI4IO_REG_IRQ_STA, &in_data); // read IRQ_STA to clear the flag
vTaskDelay(10 / portTICK_PERIOD_MS);
i2c_read_byte(PI4IO_M_ADDR, PI4IO_REG_IRQ_STA, &in_data); // 读取IRQ_STA清除标志
i2c_read_byte(PI4IO_M_ADDR, PI4IO_REG_OUT_SET, &in_data);
setbit(in_data, 6); // HIGH
setbit(in_data, 6); // enable SX_ANT_SW
setbit(in_data, 5); // enable SX_LNA_EN
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_OUT_SET, in_data);
}