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https://github.com/whowechina/geki_pico.git
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Auto slave address for instances
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@ -64,8 +64,8 @@ void airkey_init()
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gpio_pull_up(scl);
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gpio_pull_up(sda);
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vl53l0x_init(i, tof_ports[i], 0);
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vl53l1x_init(i, tof_ports[i], 0);
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vl53l0x_init(i, tof_ports[i]);
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vl53l1x_init(i, tof_ports[i]);
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vl53l0x_use(i);
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vl53l1x_use(i);
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@ -148,6 +148,7 @@ static int current_instance = 0;
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#define INSTANCE_NUM (sizeof(instances) / sizeof(instances[0]))
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#define I2C_PORT instances[current_instance].port
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#define I2C_ADDR instances[current_instance].addr
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#define INSTANCE instances[current_instance]
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static void write_reg(uint8_t reg, uint8_t value)
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{
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@ -216,14 +217,24 @@ const uint16_t reg_tuning[] = { 80,
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0xff00, 0x8001, 0x01f8, 0xff01, 0x8e01, 0x0001, 0xff00, 0x8000,
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};
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void vl53l0x_init(unsigned instance, i2c_inst_t *i2c_port, uint8_t i2c_addr)
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void vl53l0x_init(unsigned instance, i2c_inst_t *i2c_port)
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{
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if (instance < INSTANCE_NUM) {
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instances[instance].port = i2c_port;
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instances[instance].addr = i2c_addr ? i2c_addr : VL53L0X_DEF_ADDR;
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current_instance = instance;
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INSTANCE.port = i2c_port;
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INSTANCE.addr = VL53L0X_DEF_ADDR;
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vl53l0x_change_addr(VL53L0X_DEF_ADDR + 1 + instance);
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}
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}
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bool vl53l0x_change_addr(uint8_t i2c_addr)
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{
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write_reg(I2C_SLAVE_DEVICE_ADDRESS, i2c_addr);
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INSTANCE.addr = i2c_addr;
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read_reg(I2C_SLAVE_DEVICE_ADDRESS); // Dummy read
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return read_reg(I2C_SLAVE_DEVICE_ADDRESS) == i2c_addr;
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}
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void vl53l0x_use(unsigned instance)
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{
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if (instance < INSTANCE_NUM) {
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@ -13,7 +13,9 @@
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#include "hardware/i2c.h"
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void vl53l0x_init(unsigned instance, i2c_inst_t *i2c_port, uint8_t i2c_addr);
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void vl53l0x_init(unsigned instance, i2c_inst_t *i2c_port);
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bool vl53l0x_change_addr(uint8_t i2c_addr);
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void vl53l0x_use(unsigned instance);
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bool vl53l0x_is_present();
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bool vl53l0x_init_tof();
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@ -1387,14 +1387,23 @@ static void read_many(uint16_t reg, uint8_t *dst, uint8_t len)
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false, time_us_64() + IO_TIMEOUT_US * len);
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}
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void vl53l1x_init(unsigned instance, i2c_inst_t *i2c_port, uint8_t i2c_addr)
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void vl53l1x_init(unsigned instance, i2c_inst_t *i2c_port)
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{
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if (instance < INSTANCE_NUM) {
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instances[instance].port = i2c_port;
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instances[instance].addr = i2c_addr ? i2c_addr : VL53L1X_DEF_ADDR;
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current_instance = instance;
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INSTANCE.port = i2c_port;
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INSTANCE.addr = VL53L1X_DEF_ADDR;
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}
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}
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bool vl53l1x_change_addr(uint8_t i2c_addr)
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{
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write_reg(I2C_SLAVE__DEVICE_ADDRESS, i2c_addr);
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INSTANCE.addr = i2c_addr;
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read_reg(I2C_SLAVE__DEVICE_ADDRESS); // dummy read
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return read_reg(I2C_SLAVE__DEVICE_ADDRESS) == I2C_ADDR;
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}
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void vl53l1x_use(unsigned instance)
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{
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if (instance < INSTANCE_NUM) {
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@ -1421,6 +1430,7 @@ bool vl53l1x_init_tof()
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// call below and the Arduino 101 doesn't seem to handle that well
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sleep_us(1000);
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vl53l1x_change_addr(VL53L1X_DEF_ADDR + 1 + current_instance);
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// VL53L1_poll_for_boot_completion() begin
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uint64_t start = time_us_64();
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@ -12,7 +12,8 @@
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#include <stdbool.h>
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#include "hardware/i2c.h"
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void vl53l1x_init(unsigned instance, i2c_inst_t *i2c_port, uint8_t i2c_addr);
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void vl53l1x_init(unsigned instance, i2c_inst_t *i2c_port);
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bool vl53l1x_change_addr(uint8_t i2c_addr);
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void vl53l1x_use(unsigned instance);
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bool vl53l1x_is_present();
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bool vl53l1x_init_tof();
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