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touch_sensor.rs
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use embedded_hal::{
self,
blocking::delay::DelayMs,
digital::v2::OutputPin,
};
use druid;
use mynewt::{
self,
result::*,
hw::hal,
kernel::os::{
self,
os_event,
},
sys::console,
fill_zero,
};
/// Reset Pin for touch controller. Note: NFC antenna pins must be reassigned as GPIO pins for this to work.
const TOUCH_RESET_PIN: i32 = 10; // P0.10/NFC2: TP_RESET
/// Interrupt Pin for touch controller. We listen for the touch controller interrupt and trigger an event.
const TOUCH_INTERRUPT_PIN: i32 = 28; // P0.28/AIN4: TP_INT
/// Reset GPIO Pin
static mut TOUCH_RESET: MynewtGPIO = fill_zero!(MynewtGPIO);
static mut TOUCH_DELAY: MynewtDelay = fill_zero!(MynewtDelay);
type MynewtGPIO = mynewt::GPIO;
type MynewtDelay = mynewt::Delay;
/// Initialise the touch controller. NFC antenna pins must already be reassigned as GPIO pins:
/// Set `NFC_PINS_AS_GPIO: 1` in hw/bsp/nrf52/syscfg.yml. To check whether whether NFC antenna
/// pins have been correctly reassigned as GPIO pins, use the `nrf52` crate and check that the output is `fe`:
/// ```rust
/// let peripherals = nrf52::Peripherals::take().unwrap();
/// let nfcpins = peripherals.UICR.nfcpins.read().bits();
/// console::print("nfcpins = "); console::printhex(nfcpins as u8); console::print("\n");
/// ```
pub fn start_touch_sensor() -> MynewtResult<()> {
console::print("Rust touch sensor\n");
// Init GPIO for the Reset Pin
unsafe { TOUCH_RESET.init(TOUCH_RESET_PIN) ? };
// Reset the touch controller by switching the Reset Pin low then high with pauses. Based on https://github.com/lupyuen/hynitron_i2c_cst0xxse/blob/master/cst0xx_core.c#L1017-L1167
unsafe {
TOUCH_RESET.set_low() ? ;
TOUCH_DELAY.delay_ms(20);
TOUCH_RESET.set_high() ? ;
TOUCH_DELAY.delay_ms(200); TOUCH_DELAY.delay_ms(200);
};
// Initialise the touch event with the callback function
unsafe { TOUCH_EVENT.ev_cb = Some( touch_event_callback ) };
// Configure the touch controller interrupt (active when low) to trigger a touch event
let rc = unsafe { hal::hal_gpio_irq_init(
TOUCH_INTERRUPT_PIN, // GPIO pin to be configured
Some( touch_interrupt_handler ), // Call `touch_interrupt_handler()` upon detecting interrupt
core::ptr::null_mut(), // No arguments for `touch_interrupt_handler()`
hal::hal_gpio_irq_trigger_HAL_GPIO_TRIG_FALLING, // Trigger when interrupt goes from high to low
hal::hal_gpio_pull_HAL_GPIO_PULL_UP // Pull up the GPIO pin
) };
assert_eq!(rc, 0, "IRQ init fail");
// Start monitoring for touch controller interrupts
unsafe { hal::hal_gpio_irq_enable(TOUCH_INTERRUPT_PIN) };
Ok(())
}
/// Interrupt handler for the touch controller, triggered when a touch is detected
extern "C" fn touch_interrupt_handler(arg: *mut core::ffi::c_void) {
// We forward a touch event to the Default Event Queue for deferred processing. Don't do any processing here.
unsafe { TOUCH_EVENT.ev_arg = arg };
// Fetch the Default Event Queue. TODO: Use dedicated Event Queue for higher priority processing.
let queue = os::eventq_dflt_get()
.expect("GET fail");
unsafe { os::os_eventq_put(queue, &mut TOUCH_EVENT) }; // Trigger the callback function `touch_event_callback()`
}
/// Callback for the touch event that is triggered when a touch is detected
extern "C" fn touch_event_callback(_event: *mut os_event) {
// console::printhex(unsafe { os::os_time_get() } as u8); console::print(" touch\n");
unsafe {
// Fetch the touch data from the touch controller
read_touchdata(&mut TOUCH_DATA)
.expect("touchdata fail");
let x = TOUCH_DATA.touches[0].x;
let y = TOUCH_DATA.touches[0].y;
// Handle the touch data in the UI
druid::handle_touch(x, y);
// Display the touch data
// druid::show_touch(x, y).expect("show touch fail");
}
// Disable the console output because it slows down the rendering
// console::printint(unsafe { TOUCH_DATA.touches[0].x } as i32); console::print(", ");
// console::printint(unsafe { TOUCH_DATA.touches[0].y } as i32); console::print("\n");
// console::flush();
}
/// Touch data will be populated here
static mut TOUCH_DATA: TouchEventInfo = fill_zero!(TouchEventInfo);
/// Read touch controller data. This only works when the screen has been tapped and the touch controller wakes up.
/// Ported from https://github.com/lupyuen/hynitron_i2c_cst0xxse/blob/master/cst0xx_core.c#L407-L466
fn read_touchdata(data: &mut TouchEventInfo) -> MynewtResult<()> {
read_register_range( // Read the range of I2C registers...
TOUCH_CONTROLLER_ADDRESS, // From the touch controller
0, // Starting from register 0
POINT_READ_BUF as u8, // Number of registers to read
unsafe { &mut buf } // Save the read data into `buf`
).expect("read touchdata fail");
*data = fill_zero!(TouchEventInfo);
data.point_num = unsafe { buf[FT_TOUCH_POINT_NUM] & 0x0F };
data.count = 0;
// Populate the first 5 touch points
for i in 0..CFG_MAX_TOUCH_POINTS {
let pointid = unsafe { buf[HYN_TOUCH_ID_POS + HYN_TOUCH_STEP * i] } >> 4;
if pointid >= HYN_MAX_ID { break; }
// Compute X and Y coordinates
data.count += 1;
let x_high = unsafe { buf[HYN_TOUCH_X_H_POS + HYN_TOUCH_STEP * i] & 0x0F } as u16;
let x_low = unsafe { buf[HYN_TOUCH_X_L_POS + HYN_TOUCH_STEP * i] } as u16;
data.touches[i].x = (x_high << 8) | x_low;
let y_high = unsafe { buf[HYN_TOUCH_Y_H_POS + HYN_TOUCH_STEP * i] & 0x0F } as u16;
let y_low = unsafe { buf[HYN_TOUCH_Y_L_POS + HYN_TOUCH_STEP * i] } as u16;
data.touches[i].y = (y_high << 8) | y_low;
// Compute touch action (0 = down, 1 = up, 2 = contact) and finger ID
data.touches[i].action =
unsafe { buf[HYN_TOUCH_EVENT_POS + HYN_TOUCH_STEP * i] } >> 6;
data.touches[i].finger =
unsafe { buf[HYN_TOUCH_ID_POS + HYN_TOUCH_STEP * i] } >> 4;
// Compute touch pressure and area
data.touches[i].pressure =
unsafe { buf[HYN_TOUCH_XY_POS + HYN_TOUCH_STEP * i] }; // Can't be constant value
data.touches[i].area =
unsafe { buf[HYN_TOUCH_MISC + HYN_TOUCH_STEP * i] } >> 4;
// If no more touch points, stop
if (data.touches[i].action == 0 || data.touches[i].action == 2) // If touch is down or contact
&& (data.point_num == 0) {
break;
}
}
Ok(())
}
/// Buffer for raw touch data. TODO: Rename buf
static mut buf: [u8; POINT_READ_BUF] = [0; POINT_READ_BUF];
/// Touch Controller I2C Address: https://github.com/lupyuen/hynitron_i2c_cst0xxse
const TOUCH_CONTROLLER_ADDRESS: u8 = 0x15;
/// Touch Event Info for multiple touches. Based on https://github.com/lupyuen/hynitron_i2c_cst0xxse/blob/master/cst0xx_core.h#L104-L115
struct TouchEventInfo {
/// Array of touch points
touches: [TouchInfo; HYN_MAX_POINTS],
/// How many touch points
count: u8,
point_num: u8,
}
/// Touch Info for a single touch. Based on https://github.com/lupyuen/hynitron_i2c_cst0xxse/blob/master/cst0xx_core.h#L104-L115
struct TouchInfo {
/// X coordinate
x: u16,
/// Y coordinate
y: u16,
/// Action: 0 = down, 1 = up, 2 = contact
action: u8,
/// Which finger touched
finger: u8,
/// Pressure of touch
pressure: u8,
/// Area touched
area: u8,
}
// Touch Controller Constants. Based on https://github.com/lupyuen/hynitron_i2c_cst0xxse/blob/master/cst0xx_core.h
/// Max touch points for the touch controller
const CFG_MAX_TOUCH_POINTS: usize = 5;
/// Max touch channels for the touch controller
const HYN_MAX_POINTS: usize = 10;
const HYN_MAX_ID: u8 = 0x0F;
const HYN_TOUCH_STEP: usize = 6;
// const HYN_FACE_DETECT_POS: usize = 1;
const HYN_TOUCH_X_H_POS: usize = 3;
const HYN_TOUCH_X_L_POS: usize = 4;
const HYN_TOUCH_Y_H_POS: usize = 5;
const HYN_TOUCH_Y_L_POS: usize = 6;
const HYN_TOUCH_EVENT_POS: usize = 3;
const HYN_TOUCH_ID_POS: usize = 5;
const FT_TOUCH_POINT_NUM: usize = 2;
const HYN_TOUCH_XY_POS: usize = 7;
const HYN_TOUCH_MISC: usize = 8;
const POINT_READ_BUF: usize = 3 + ( HYN_TOUCH_STEP * HYN_MAX_POINTS );
/// Event that will be forwarded to the Event Queue when a touch interrupt is triggered
static mut TOUCH_EVENT: os_event = fill_zero!(os_event); // Init all fields to 0 or NULL
/// Read a range of I2C registers from the I2C address `addr` (7-bit address), starting at `start_register` for count `num_registers`. Save into `buffer`.
fn read_register_range(addr: u8, start_register: u8, num_registers: u8, buffer: &mut[u8]) -> MynewtResult<()> {
assert!(buffer.len() >= num_registers as usize, "i2c buf"); // Buffer too small
assert!(start_register + num_registers < 128, "i2c addr"); // Not 7-bit address
// Step 1: Prepare to read I2C Device Registers:
// System sends Clock Signal on SCL to sync Microcontroller with I2C Device
// Step 2: Transmit the I2C Address and the starting Register Number:
// Send the Start Condition (High to Low SDA Transition)...
// Followed by I2C Address (7 bits)...
// Followed by Write Mode (1 bit, value 0)...
// Followed by starting Register Number (8 bits)
unsafe {
I2C_BUFFER[0] = start_register; // I2C Packet buffer contains starting Register Number (1 byte)
I2C_DATA.address = addr; // I2C Packet address (7 bits)
I2C_DATA.len = I2C_BUFFER.len() as u16; // I2C Packet data size is 1 byte
I2C_DATA.buffer = I2C_BUFFER.as_mut_ptr(); // I2C Packet data points to packet buffer
};
let _rc1 = unsafe { hal::hal_i2c_master_write(1, &mut I2C_DATA, 1000, 0) }; // No stop yet, must continue even if we hit an error
// Step 3: Prepare to receive the stream of I2C Device Register values...
// Send the Start Condition (High to Low SDA Transition)...
// Followed by I2C Address (7 bits)...
// Followed by Read Mode (1 bit, value 1)
unsafe {
I2C_BUFFER[0] = 0x00; // I2C Packet buffer should be empty (provided by caller)
I2C_DATA.address = addr; // I2C Packet address (7 bits)
I2C_DATA.len = num_registers as u16; // I2C Packet data size is number of Registers to read
I2C_DATA.buffer = buffer.as_mut_ptr(); // I2C Packet data points to packet buffer
};
// Step 4: Receive the requested number of Register values from I2C Device (1 byte per register)
// Step 5: Send the Stop Condition (Low to High SDA Transition)
let rc2 = unsafe { hal::hal_i2c_master_read(1, &mut I2C_DATA, 1000, 1) };
if rc2 == hal::HAL_I2C_ERR_ADDR_NACK as i32 {
assert!(false, "i2c fail"); // I2C read failed
return Ok(()); // TODO: Return an error
}
Ok(())
}
/// Read the I2C register for the specified I2C address (7-bit address)
fn read_register(addr: u8, register: u8) -> MynewtResult<()> {
assert!(register < 128, "i2c addr"); // Not 7-bit address
// First the register number must be sent in write mode (I2C address xxxxxxx0).
unsafe {
I2C_BUFFER[0] = register;
I2C_DATA.address = addr;
I2C_DATA.len = I2C_BUFFER.len() as u16;
I2C_DATA.buffer = I2C_BUFFER.as_mut_ptr();
};
// Then either a stop or a repeated start condition must be generated.
let _rc1 = unsafe { hal::hal_i2c_master_write(1, &mut I2C_DATA, 1000, 0) }; // No stop yet, must continue even if we hit an error
// After this the slave is addressed in read mode (RW = ‘1’) at I2C address xxxxxxx1,
unsafe {
I2C_BUFFER[0] = 0x00;
I2C_DATA.address = addr;
I2C_DATA.len = I2C_BUFFER.len() as u16;
I2C_DATA.buffer = I2C_BUFFER.as_mut_ptr();
};
// After which the slave sends out data from auto-incremented register addresses until a NOACKM and stop condition occurs.
let rc2 = unsafe { hal::hal_i2c_master_read(1, &mut I2C_DATA, 1000, 1) };
if rc2 == hal::HAL_I2C_ERR_ADDR_NACK as i32 {
return Ok(());
}
console::print("addr: 0x"); console::printhex(addr);
console::print(", reg: 0x"); console::printhex(register);
console::print(" = 0x"); console::printhex(unsafe { I2C_BUFFER[0] });
console::print("\n"); console::flush();
Ok(())
}
/// I2C packet to be sent
static mut I2C_DATA: hal::hal_i2c_master_data = hal::hal_i2c_master_data {
address: 0,
len: 0,
buffer: core::ptr::null_mut(),
};
/// Buffer containing I2C read/write data
static mut I2C_BUFFER: [u8; 1] = [ 0 ];
/// Probe the I2C bus to discover I2C devices
pub fn probe() -> MynewtResult<()> {
// For each I2C address 0 to 127...
for addr in 0..128 {
// Probe the I2C address at I2C Port 1. Time out after 1,000 milliseconds (1 second).
let rc = unsafe { hal::hal_i2c_master_probe(1, addr, 1000) };
// If we received an acknowledgement...
if rc != hal::HAL_I2C_ERR_ADDR_NACK as i32 {
// I2C device found
console::print("0x"); console::printhex(addr); console::print("\n"); console::flush();
}
}
console::print("Done\n"); console::flush();
Ok(())
}
/* I2C devices found:
0x18: Accelerometer: https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BMA423-DS000.pdf
0x44: Heart Rate Sensor: http://files.pine64.org/doc/datasheet/pinetime/HRS3300%20Heart%20Rate%20Sensor.pdf
Touch controller not detected unless you keep tapping the screen */
/// Test reading some registers for I2C devices
pub fn test() -> MynewtResult<()> {
// Repeat test a few times
for _ in 0..20 {
// I2C addresses to test
for addr in &[
// 0x15, // Touch Controller: https://github.com/lupyuen/hynitron_i2c_cst0xxse
// 0x18, // Accelerometer: https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BMA423-DS000.pdf
0x44, // Heart Rate Sensor: http://files.pine64.org/doc/datasheet/pinetime/HRS3300%20Heart%20Rate%20Sensor.pdf
] {
// Registers to be read. Keep tapping the screen to get responses.
for register in &[
0x00, // Touch Controller: Register 0 should have value 0 at startup
0x01, // Touch Controller: Register 1 onwards contain the raw touch data
0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
// 0xA3, // HYN_REG_CHIP_ID
// 0x9F, // HYN_REG_CHIP_ID2
// 0x8F, // HYN_REG_INT_CNT
// 0xA6, // HYN_REG_FW_VER
// 0xA8, // HYN_REG_VENDOR_ID
] {
read_register(*addr, *register) ? ;
}
}
console::print("Done\n"); console::flush();
}
Ok(())
}
/* Heart Rate Sensor: http://files.pine64.org/doc/datasheet/pinetime/HRS3300%20Heart%20Rate%20Sensor.pdf
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0x01 = 0x08
addr: 0x44, reg: 0x02 = 0x00
addr: 0x44, reg: 0x03 = 0x00
addr: 0x44, reg: 0x04 = 0xff
addr: 0x44, reg: 0x05 = 0x00
addr: 0x44, reg: 0x06 = 0xf0
addr: 0x44, reg: 0x07 = 0xff
addr: 0x44, reg: 0x08 = 0x00
addr: 0x44, reg: 0x09 = 0x00
addr: 0x44, reg: 0x0a = 0x00
addr: 0x44, reg: 0x0b = 0x00
addr: 0x44, reg: 0x0c = 0x22
addr: 0x44, reg: 0x0d = 0x00
addr: 0x44, reg: 0x0e = 0x00
addr: 0x44, reg: 0x0f = 0x00
Done
Touch Controller: https://github.com/lupyuen/stm32bluepill-mynewt-sensor/blob/pinetime/hynitron_i2c_cst0xxse_5.1.zip
Done
addr: 0x15, reg: 0x00 = 0x00
addr: 0x15, reg: 0x01 = 0x05
addr: 0x15, reg: 0xa3 = 0x00
Done
Done
Done
Done
addr: 0x15, reg: 0x00 = 0x00
addr: 0x15, reg: 0x01 = 0x00
addr: 0x15, reg: 0xa3 = 0x00
addr: 0x15, reg: 0x9f = 0x00
addr: 0x15, reg: 0x8f = 0x00
addr: 0x15, reg: 0xa6 = 0x00
addr: 0x15, reg: 0xa8 = 0x00
Done
addr: 0x15, reg: 0x00 = 0x00
addr: 0x15, reg: 0x01 = 0x05
addr: 0x15, reg: 0xa3 = 0x00
addr: 0x15, reg: 0x9f = 0x00
addr: 0x15, reg: 0x8f = 0x00
addr: 0x15, reg: 0xa6 = 0x00
addr: 0x15, reg: 0xa8 = 0x00
Done
addr: 0x15, reg: 0x00 = 0x00
addr: 0x15, reg: 0x01 = 0x05
addr: 0x15, reg: 0xa3 = 0x00
addr: 0x15, reg: 0x9f = 0x00
addr: 0x15, reg: 0x8f = 0x00
addr: 0x15, reg: 0xa6 = 0x00
addr: 0x15, reg: 0xa8 = 0x00
Done
addr: 0x15, reg: 0x00 = 0x00
addr: 0x15, reg: 0x01 = 0x00
addr: 0x15, reg: 0xa3 = 0x00
addr: 0x15, reg: 0x9f = 0x00
addr: 0x15, reg: 0x8f = 0x00
addr: 0x15, reg: 0xa6 = 0x00
addr: 0x15, reg: 0xa8 = 0x00
Done
addr: 0x15, reg: 0x00 = 0x00
addr: 0x15, reg: 0x01 = 0x00
addr: 0x15, reg: 0xa3 = 0x00
addr: 0x15, reg: 0x9f = 0x00
addr: 0x15, reg: 0x8f = 0x00
addr: 0x15, reg: 0xa6 = 0x00
addr: 0x15, reg: 0xa8 = 0x00
Done
addr: 0x15, reg: 0x00 = 0x00
Done
Done
Done
addr: 0x15, reg: 0x00 = 0x00
addr: 0x15, reg: 0x01 = 0x04
Done
Done
Done
Done
addr: 0x15, reg: 0x00 = 0x00
Done
Done
Done
Accelerometer: https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BMA423-DS000.pdf
addr: 0x18, reg: 0x00 = 0x11
addr: 0x18, reg: 0xa3 = 0x00
addr: 0x18, reg: 0x9f = 0x00
addr: 0x18, reg: 0x8f = 0x00
addr: 0x18, reg: 0xa6 = 0x80
addr: 0x18, reg: 0xa8 = 0x00
Heart Rate Sensor: http://files.pine64.org/doc/datasheet/pinetime/HRS3300%20Heart%20Rate%20Sensor.pdf
addr: 0x44, reg: 0x00 = 0x21
addr: 0x44, reg: 0xa3 = 0xa3
addr: 0x44, reg: 0x9f = 0xa3
addr: 0x44, reg: 0x8f = 0xa3
addr: 0x44, reg: 0xa6 = 0xa3
addr: 0x44, reg: 0xa8 = 0xa3
*/