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Revert "chore: copy fix to esp32xx"

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This reverts commit 6cd0c00060.
This commit is contained in:
deadprogram
2026-08-20 11:23:26 +02:00
committed by Ron Evans
parent 6cd0c00060
commit e3bf9306b3
1 changed files with 3 additions and 1 deletions
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src/machine/machine_esp32xx_i2c.go
+3 -1
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@@ -186,6 +186,7 @@ func (i2c *I2C) transmit(addr uint16, cmd []i2cCommand, timeoutMS int) error {
timeoutNS := int64(timeoutMS) * 1000000 timeoutNS := int64(timeoutMS) * 1000000
needAddress := true needAddress := true
needRestart := false needRestart := false
readLast := false
var readTo []byte var readTo []byte
for cmdIdx, reg := 0, &i2c.Bus.COMD0; cmdIdx < len(cmd); { for cmdIdx, reg := 0, &i2c.Bus.COMD0; cmdIdx < len(cmd); {
c := &cmd[cmdIdx] c := &cmd[cmdIdx]
@@ -253,6 +254,7 @@ func (i2c *I2C) transmit(addr uint16, cmd []i2cCommand, timeoutMS int) error {
reg = nextAddress(reg) reg = nextAddress(reg)
} }
if split { if split {
readLast = true
reg.Set(i2cCMD_READLAST | 1) reg.Set(i2cCMD_READLAST | 1)
reg = nextAddress(reg) reg = nextAddress(reg)
readTo = c.data[c.head : c.head+bytes+1] // read bytes + 1 last byte readTo = c.data[c.head : c.head+bytes+1] // read bytes + 1 last byte
@@ -283,7 +285,7 @@ func (i2c *I2C) transmit(addr uint16, cmd []i2cCommand, timeoutMS int) error {
} }
} }
switch { switch {
case mask&esp.I2C_INT_STATUS_NACK_INT_ST_Msk != 0: case mask&esp.I2C_INT_STATUS_NACK_INT_ST_Msk != 0 && !readLast:
return errI2CAckExpected return errI2CAckExpected
case mask&esp.I2C_INT_STATUS_TIME_OUT_INT_ST_Msk != 0: case mask&esp.I2C_INT_STATUS_TIME_OUT_INT_ST_Msk != 0:
if readTo != nil { if readTo != nil {