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add WIP for Unit C6L (#7433)

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* add WIP for Unit C6L
* adapt to new config structure
* Add c6l BLE and screen support (#7991)
* Minor c6l fix
* Move out of PRIVATE_HW
---------
Co-authored-by: Austin <vidplace7@gmail.com>
Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
Co-authored-by: Jonathan Bennett <jbennett@incomsystems.biz>
Co-authored-by: Jason P <Xaositek@users.noreply.github.com>
Co-authored-by: Markus <Links2004@users.noreply.github.com>
This commit is contained in:
Thomas Göttgens
2025-09-17 22:40:55 +02:00
committed by GitHub
co-authored by Austin Ben Meadors Jonathan Bennett Jason P Markus
parent 6f5bdd73cb
commit 71d84404c6
28 changed files with 952 additions and 43 deletions
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variants/esp32c6/m5stack_unitc6l/variant.cpp
+74
View File
@@ -0,0 +1,74 @@
#include "driver/gpio.h"
#include <Arduino.h>
#include <Wire.h>
// I2C device addr
#define PI4IO_M_ADDR 0x43
// PI4IO registers
#define PI4IO_REG_CHIP_RESET 0x01
#define PI4IO_REG_IO_DIR 0x03
#define PI4IO_REG_OUT_SET 0x05
#define PI4IO_REG_OUT_H_IM 0x07
#define PI4IO_REG_IN_DEF_STA 0x09
#define PI4IO_REG_PULL_EN 0x0B
#define PI4IO_REG_PULL_SEL 0x0D
#define PI4IO_REG_IN_STA 0x0F
#define PI4IO_REG_INT_MASK 0x11
#define PI4IO_REG_IRQ_STA 0x13
// PI4IO
#define setbit(x, y) x |= (0x01 << y)
#define clrbit(x, y) x &= ~(0x01 << y)
#define reversebit(x, y) x ^= (0x01 << y)
#define getbit(x, y) ((x) >> (y)&0x01)
void i2c_read_byte(uint8_t addr, uint8_t reg, uint8_t *value)
{
Wire.beginTransmission(addr);
Wire.write(reg);
Wire.endTransmission();
Wire.requestFrom(addr, 1);
*value = Wire.read();
}
/*******************************************************************/
void i2c_write_byte(uint8_t addr, uint8_t reg, uint8_t value)
{
Wire.beginTransmission(addr);
Wire.write(reg);
Wire.write(value);
Wire.endTransmission();
}
/*******************************************************************/
void c6l_init()
{
// P7 LoRa Reset
// P6 RF Switch
// P5 LNA Enable
printf("pi4io_init\n");
uint8_t in_data;
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_CHIP_RESET, 0xFF);
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
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
vTaskDelay(10 / portTICK_PERIOD_MS);
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_PULL_SEL, 0b11000011); // 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
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
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
vTaskDelay(10 / portTICK_PERIOD_MS);
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_OUT_SET, 0b10000000); // 默认输出为0
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
i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_OUT_SET, in_data);
}