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all: format code according to Go 1.19 rules

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Go 1.19 started reformatting code in a way that makes it more obvious
how it will be rendered on pkg.go.dev. It gets it almost right, but not
entirely. Therefore, I had to modify some of the comments so that they
are formatted correctly.
This commit is contained in:
Ayke van Laethem
2022-08-03 16:24:47 +02:00
committed by Ayke
parent f936125658
commit c7a23183e8
114 changed files with 509 additions and 381 deletions
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src/machine/machine_rp2040_i2c.go
+22 -7
View File
@@ -66,10 +66,12 @@ var (
// Passing a nil value for w or r skips the transfer corresponding to write
// or read, respectively.
//
// i2c.Tx(addr, nil, r)
// i2c.Tx(addr, nil, r)
//
// Performs only a read transfer.
//
// i2c.Tx(addr, w, nil)
// i2c.Tx(addr, w, nil)
//
// Performs only a write transfer.
func (i2c *I2C) Tx(addr uint16, w, r []byte) error {
// timeout in microseconds.
@@ -79,11 +81,14 @@ func (i2c *I2C) Tx(addr uint16, w, r []byte) error {
// Configure initializes i2c peripheral and configures I2C config's pins passed.
// Here's a list of valid SDA and SCL GPIO pins on bus I2C0 of the rp2040:
// SDA: 0, 4, 8, 12, 16, 20
// SCL: 1, 5, 9, 13, 17, 21
//
// SDA: 0, 4, 8, 12, 16, 20
// SCL: 1, 5, 9, 13, 17, 21
//
// Same as above for I2C1 bus:
// SDA: 2, 6, 10, 14, 18, 26
// SCL: 3, 7, 11, 15, 19, 27
//
// SDA: 2, 6, 10, 14, 18, 26
// SCL: 3, 7, 11, 15, 19, 27
func (i2c *I2C) Configure(config I2CConfig) error {
const defaultBaud uint32 = 100_000 // 100kHz standard mode
if config.SCL == 0 {
@@ -107,6 +112,7 @@ func (i2c *I2C) Configure(config I2CConfig) error {
// SetBaudRate sets the I2C frequency. It has the side effect of also
// enabling the I2C hardware if disabled beforehand.
//
//go:inline
func (i2c *I2C) SetBaudRate(br uint32) error {
@@ -168,6 +174,7 @@ func (i2c *I2C) enable() {
}
// Implemented as per 4.3.10.3. Disabling DW_apb_i2c section.
//
//go:inline
func (i2c *I2C) disable() error {
const MAX_T_POLL_COUNT = 64 // 64 us timeout corresponds to around 1000kb/s i2c transfer rate.
@@ -203,6 +210,7 @@ func (i2c *I2C) init(config I2CConfig) error {
}
// reset sets I2C register RESET bits in the reset peripheral and then clears them.
//
//go:inline
func (i2c *I2C) reset() {
resetVal := i2c.deinit()
@@ -213,6 +221,7 @@ func (i2c *I2C) reset() {
}
// deinit sets reset bit for I2C. Must call reset to reenable I2C after deinit.
//
//go:inline
func (i2c *I2C) deinit() (resetVal uint32) {
switch {
@@ -348,18 +357,21 @@ func (i2c *I2C) tx(addr uint8, tx, rx []byte, timeout_us uint64) (err error) {
}
// writeAvailable determines non-blocking write space available
//
//go:inline
func (i2c *I2C) writeAvailable() uint32 {
return rp.I2C0_IC_COMP_PARAM_1_TX_BUFFER_DEPTH_Pos - i2c.Bus.IC_TXFLR.Get()
}
// readAvailable determines number of bytes received
//
//go:inline
func (i2c *I2C) readAvailable() uint32 {
return i2c.Bus.IC_RXFLR.Get()
}
// Equivalent to IC_CLR_TX_ABRT.Get() (side effect clears ABORT_REASON)
//
//go:inline
func (i2c *I2C) clearAbortReason() {
// Note clearing the abort flag also clears the reason, and
@@ -369,13 +381,16 @@ func (i2c *I2C) clearAbortReason() {
}
// getAbortReason reads IC_TX_ABRT_SOURCE register.
//
//go:inline
func (i2c *I2C) getAbortReason() uint32 {
return i2c.Bus.IC_TX_ABRT_SOURCE.Get()
}
// returns true if RAW_INTR_STAT bits in mask are all set. performs:
// RAW_INTR_STAT & mask == mask
//
// RAW_INTR_STAT & mask == mask
//
//go:inline
func (i2c *I2C) interrupted(mask uint32) bool {
reg := i2c.Bus.IC_RAW_INTR_STAT.Get()