From 0f9eb86830c82c22b525d5e6f3130097345beef6 Mon Sep 17 00:00:00 2001 From: Riker Date: Tue, 19 May 2026 14:31:42 +0800 Subject: [PATCH] Enabled SX_LNA_EN by default (#10469) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * Enabled SX_LNA_EN by default * Update I2C configuration for IO direction and pull settings --------- Co-authored-by: Thomas Göttgens --- variants/esp32c6/m5stack_unitc6l/variant.cpp | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) diff --git a/variants/esp32c6/m5stack_unitc6l/variant.cpp b/variants/esp32c6/m5stack_unitc6l/variant.cpp index 8e26b4ab7..7dc5785f6 100644 --- a/variants/esp32c6/m5stack_unitc6l/variant.cpp +++ b/variants/esp32c6/m5stack_unitc6l/variant.cpp @@ -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); }