adding SPI support

This commit is contained in:
Peli de Halleux 2016-08-10 23:26:58 -07:00
parent 64d584681a
commit c99138b02e
7 changed files with 54 additions and 9 deletions

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@ -17,6 +17,7 @@ pins.servoWritePin(AnalogPin.P0, 180);
pins.servoSetPulse(AnalogPin.P0, 1500); pins.servoSetPulse(AnalogPin.P0, 1500);
pins.i2cReadNumber(0, NumberFormat.Int8LE); pins.i2cReadNumber(0, NumberFormat.Int8LE);
pins.i2cWriteNumber(0, 0, NumberFormat.Int8LE); pins.i2cWriteNumber(0, 0, NumberFormat.Int8LE);
pins.spiWrite(0);
pins.setPull(DigitalPin.P0, PinPullMode.PullDown); pins.setPull(DigitalPin.P0, PinPullMode.PullDown);
pins.analogPitch(0, 0); pins.analogPitch(0, 0);
pins.analogSetPitchPin(AnalogPin.P0); pins.analogSetPitchPin(AnalogPin.P0);
@ -24,4 +25,4 @@ pins.analogSetPitchPin(AnalogPin.P0);
### See Also ### See Also
[digitalReadPin](/reference/pins/digital-read-pin), [digitalWritePin](/reference/pins/digital-write-pin), [analogReadPin](/reference/pins/analog-read-pin), [analogWritePin](/reference/pins/analog-write-pin), [analogSetPeriod](/reference/pins/analog-set-period), [map](/reference/pins/map), [onPulsed](/reference/pins/on-pulsed), [pulseDuration](/reference/pins/pulse-duration), [servoWritePin](/reference/pins/servo-write-pin), [servoSetPulse](/reference/pins/servo-set-pulse), [i2cReadNumber](/reference/pins/i2c-read-number), [i2cWriteNumber](/reference/pins/i2c-write-number), [setPull](/reference/pins/set-pull), [analogPitch](/reference/pins/analog-pitch), [analogSetPitchPin](/reference/pins/analog-set-pitch) [digitalReadPin](/reference/pins/digital-read-pin), [digitalWritePin](/reference/pins/digital-write-pin), [analogReadPin](/reference/pins/analog-read-pin), [analogWritePin](/reference/pins/analog-write-pin), [analogSetPeriod](/reference/pins/analog-set-period), [map](/reference/pins/map), [onPulsed](/reference/pins/on-pulsed), [pulseDuration](/reference/pins/pulse-duration), [servoWritePin](/reference/pins/servo-write-pin), [servoSetPulse](/reference/pins/servo-set-pulse), [i2cReadNumber](/reference/pins/i2c-read-number), [i2cWriteNumber](/reference/pins/i2c-write-number), [setPull](/reference/pins/set-pull), [analogPitch](/reference/pins/analog-pitch), [analogSetPitchPin](/reference/pins/analog-set-pitch), [spiWrite](/reference/pins/spi-write)

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@ -0,0 +1,19 @@
# SPI Write
Write to the SPI Slave and return the response.
```sig
pins.spiWrite(0);
```
### Parameters
* ``value``: value Data to be sent to the SPI slave
### Returns
* a [number](/reference/types/number) Response from the SPI slave
### See also
[SPI](https://developer.mbed.org/handbook/SPI)

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@ -288,8 +288,6 @@ declare namespace led {
//% block="none" //% block="none"
PullNone = 2, PullNone = 2,
} }
declare namespace pins {
}
declare enum SerialPin { declare enum SerialPin {

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@ -71,7 +71,6 @@ MicroBitPin *getPin(int id) {
} }
//% color=351 weight=30
namespace pins { namespace pins {
#define PINOP(op) \ #define PINOP(op) \
MicroBitPin *pin = getPin((int)name); \ MicroBitPin *pin = getPin((int)name); \
@ -268,4 +267,23 @@ namespace pins {
{ {
uBit.i2c.write(address << 1, (char*)buf->payload, buf->length, repeat); uBit.i2c.write(address << 1, (char*)buf->payload, buf->length, repeat);
} }
SPI* spi = NULL;
SPI* allocSPI() {
if (spi == NULL)
spi = new SPI(MOSI, MISO, SCK);
return spi;
}
/**
* Write to the SPI slave and return the response
* @param value Data to be sent to the SPI slave
*/
//% help=pins/spi-write weight=5
//% blockId=spi_write block="spi write %value"
int spiWrite(int value) {
auto p = allocSPI();
return p->write(value);
}
} }

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@ -30,7 +30,7 @@ namespace pins {
/** /**
* Write one number to a 7-bit I2C address. * Write one number to a 7-bit I2C address.
*/ */
//% help=pins/i2c-write-number //% help=pins/i2c-write-number blockGap=8
//% blockId=i2c_writenumber block="i2c write number|at address %address|with value %value|of format %format=i2c_sizeof" weight=6 //% blockId=i2c_writenumber block="i2c write number|at address %address|with value %value|of format %format=i2c_sizeof" weight=6
export function i2cWriteNumber(address: number, value: number, format: NumberFormat): void { export function i2cWriteNumber(address: number, value: number, format: NumberFormat): void {
let buf = createBuffer(pins.sizeOf(format)) let buf = createBuffer(pins.sizeOf(format))

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@ -448,10 +448,6 @@ declare namespace led {
//% help=led/screenshot shim=led::screenshot //% help=led/screenshot shim=led::screenshot
function screenshot(): Image; function screenshot(): Image;
} }
//% color=351 weight=30
declare namespace pins { declare namespace pins {
/** /**
@ -573,6 +569,14 @@ declare namespace pins {
*/ */
//% repeat.defl=0 shim=pins::i2cWriteBuffer //% repeat.defl=0 shim=pins::i2cWriteBuffer
function i2cWriteBuffer(address: number, buf: Buffer, repeat?: boolean): void; function i2cWriteBuffer(address: number, buf: Buffer, repeat?: boolean): void;
/**
* Write to the SPI slave and return the response
* @param value Data to be sent to the SPI slave
*/
//% help=pins/spi-write weight=5
//% blockId=spi_write block="spi write %value" shim=pins::spiWrite
function spiWrite(value: number): number;
} }

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@ -588,6 +588,11 @@ namespace pxsim.pins {
// TODO // TODO
} }
export function spiWrite(value: number): number {
// TODO
return 0;
}
export function i2cReadBuffer(address: number, size: number, repeat?: boolean): RefBuffer { export function i2cReadBuffer(address: number, size: number, repeat?: boolean): RefBuffer {
// fake reading zeros // fake reading zeros
return createBuffer(size) return createBuffer(size)