58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
#include "fsl_i2c.h"
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#include "slave_scheduler.h"
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#include "slot.h"
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#include "main.h"
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#include "slave_drivers/slave_driver_led_driver.h"
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#include "slave_drivers/slave_driver_uhk_module.h"
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#include "i2c.h"
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#include "i2c_addresses.h"
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#include "test_states.h"
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uint8_t currentSlaveId = 0;
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uhk_slave_t Slaves[] = {
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{ .initializer = UhkModuleSlaveDriver_Init, .updater = UhkModuleSlaveDriver_Update, .perDriverId = 0 },
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{ .initializer = LedSlaveDriver_Init, .updater = LedSlaveDriver_Update, .perDriverId = 0 },
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{ .initializer = LedSlaveDriver_Init, .updater = LedSlaveDriver_Update, .perDriverId = 1 },
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};
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static void bridgeProtocolCallback(I2C_Type *base, i2c_master_handle_t *handle, status_t status, void *userData)
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{
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IsI2cTransferScheduled = false;
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do {
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if (TestStates.disableI2c) {
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return;
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}
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uhk_slave_t *slave = Slaves + currentSlaveId;
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slave->isConnected = status == kStatus_Success;
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if (!slave->isConnected) {
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slave->initializer(slave->perDriverId);
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}
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slave->updater(slave->perDriverId);
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currentSlaveId++;
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if (currentSlaveId >= (sizeof(Slaves) / sizeof(uhk_slave_t))) {
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currentSlaveId = 0;
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}
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} while (!IsI2cTransferScheduled);
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}
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static void initSlaveDrivers()
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{
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for (uint8_t i=0; i<sizeof(Slaves) / sizeof(uhk_slave_t); i++) {
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Slaves[i].initializer(Slaves[i].perDriverId);
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}
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}
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void InitSlaveScheduler()
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{
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initSlaveDrivers();
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I2C_MasterTransferCreateHandle(I2C_MAIN_BUS_BASEADDR, &I2cMasterHandle, bridgeProtocolCallback, NULL);
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// Kickstart the scheduler by triggering the first callback.
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Slaves[0].updater(Slaves[0].perDriverId);
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}
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