57 lines
2.2 KiB
C
57 lines
2.2 KiB
C
#include "i2c_addresses.h"
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#include "i2c.h"
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#include "slave_scheduler.h"
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#include "slave_drivers/uhk_module_driver.h"
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#include "slave_protocol.h"
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#include "main.h"
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#include "peripherals/test_led.h"
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#include "bool_array_converter.h"
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#include "crc16.h"
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uhk_module_state_t UhkModuleStates[UHK_MODULE_MAX_COUNT];
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uhk_module_phase_t uhkModulePhase = UhkModulePhase_RequestKeyStates;
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uint8_t txBuffer[2];
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uint8_t rxBuffer[KEY_STATE_BUFFER_SIZE];
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void UhkModuleSlaveDriver_Init(uint8_t uhkModuleId)
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{
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uhk_module_state_t* uhkModuleState = UhkModuleStates + uhkModuleId;
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uhkModuleState->isTestLedOn = true;
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uhkModuleState->ledPwmBrightness = 0x64;
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}
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status_t UhkModuleSlaveDriver_Update(uint8_t uhkModuleId)
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{
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status_t status = kStatus_Uhk_IdleSlave;
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uhk_module_state_t *uhkModuleInternalState = UhkModuleStates + uhkModuleId;
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switch (uhkModulePhase) {
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case UhkModulePhase_RequestKeyStates:
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txBuffer[0] = SlaveCommand_RequestKeyStates;
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status = I2cAsyncWrite(I2C_ADDRESS_LEFT_KEYBOARD_HALF_FIRMWARE, txBuffer, 1);
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uhkModulePhase = UhkModulePhase_ReceiveKeystates;
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break;
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case UhkModulePhase_ReceiveKeystates:
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status = I2cAsyncRead(I2C_ADDRESS_LEFT_KEYBOARD_HALF_FIRMWARE, rxBuffer, KEY_STATE_BUFFER_SIZE);
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uhkModulePhase = UhkModulePhase_SetLedPwmBrightness;
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break;
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case UhkModulePhase_SetLedPwmBrightness:
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if (CRC16_IsMessageValid(rxBuffer, KEY_STATE_SIZE)) {
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BoolBitsToBytes(rxBuffer, CurrentKeyStates[SLOT_ID_LEFT_KEYBOARD_HALF], LEFT_KEYBOARD_HALF_KEY_COUNT);
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}
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txBuffer[0] = SlaveCommand_SetLedPwmBrightness;
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txBuffer[1] = uhkModuleInternalState->ledPwmBrightness;
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status = I2cAsyncWrite(I2C_ADDRESS_LEFT_KEYBOARD_HALF_FIRMWARE, txBuffer, 2);
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uhkModulePhase = UhkModulePhase_SendTestLedCommand;
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break;
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case UhkModulePhase_SendTestLedCommand:
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txBuffer[0] = SlaveCommand_SetTestLed;
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txBuffer[1] = uhkModuleInternalState->isTestLedOn;
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status = I2cAsyncWrite(I2C_ADDRESS_LEFT_KEYBOARD_HALF_FIRMWARE, txBuffer, 2);
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uhkModulePhase = UhkModulePhase_RequestKeyStates;
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break;
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}
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return status;
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}
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