74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
#include "fsl_common.h"
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#include "fsl_port.h"
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#include "test_led.h"
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#include "init_peripherials.h"
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#include "i2c_addresses.h"
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#include "fsl_i2c.h"
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#include "fsl_clock.h"
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#include "i2c.h"
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#include "led_pwm.h"
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#include "bridge_protocol_handler.h"
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static void i2cSlaveCallback(I2C_Type *base, i2c_slave_transfer_t *xfer, void *userData)
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{
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switch (xfer->event)
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{
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case kI2C_SlaveTransmitEvent:
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BridgeProtocolHandler();
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xfer->data = BridgeTxBuffer;
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xfer->dataSize = BridgeTxSize;
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break;
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case kI2C_SlaveReceiveEvent:
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BridgeProtocolHandler();
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xfer->data = BridgeRxBuffer;
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xfer->dataSize = BRIDGE_RX_BUFFER_SIZE;
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break;
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case kI2C_SlaveCompletionEvent:
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xfer->data = NULL;
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xfer->dataSize = 0;
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break;
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case kI2C_SlaveTransmitAckEvent:
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break;
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default:
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break;
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}
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}
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void InitI2c() {
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port_pin_config_t pinConfig = {
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.pullSelect = kPORT_PullUp,
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};
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CLOCK_EnableClock(I2C_BUS_SDA_CLOCK);
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CLOCK_EnableClock(I2C_BUS_SCL_CLOCK);
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pinConfig.mux = I2C_BUS_MUX;
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PORT_SetPinConfig(I2C_BUS_SDA_PORT, I2C_BUS_SDA_PIN, &pinConfig);
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PORT_SetPinConfig(I2C_BUS_SCL_PORT, I2C_BUS_SCL_PIN, &pinConfig);
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i2c_slave_config_t slaveConfig;
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i2c_slave_handle_t slaveHandle;
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I2C_SlaveGetDefaultConfig(&slaveConfig);
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slaveConfig.slaveAddress = I2C_ADDRESS_LEFT_KEYBOARD_HALF;
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I2C_SlaveInit(I2C_BUS_BASEADDR, &slaveConfig);
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I2C_SlaveTransferCreateHandle(I2C_BUS_BASEADDR, &slaveHandle, i2cSlaveCallback, NULL);
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slaveHandle.eventMask |= kI2C_SlaveCompletionEvent;
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I2C_SlaveTransferNonBlocking(I2C_BUS_BASEADDR, &slaveHandle, kI2C_SlaveCompletionEvent);
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}
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void InitLedDriver() {
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CLOCK_EnableClock(LED_DRIVER_SDB_CLOCK);
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PORT_SetPinMux(LED_DRIVER_SDB_PORT, LED_DRIVER_SDB_PIN, kPORT_MuxAsGpio);
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GPIO_PinInit(LED_DRIVER_SDB_GPIO, LED_DRIVER_SDB_PIN, &(gpio_pin_config_t){kGPIO_DigitalOutput, 0});
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GPIO_WritePinOutput(LED_DRIVER_SDB_GPIO, LED_DRIVER_SDB_PIN, 1);
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}
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void InitPeripherials(void)
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{
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InitLedDriver();
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InitTestLed();
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LedPwm_Init();
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InitI2c();
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}
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