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Merge initI2cMainBus() and initI2cEepromBus() as initI2cBus()

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This commit is contained in:
László Monda
2018-05-27 01:43:14 +02:00
parent 18e3ba9558
commit 033bdf6491
3 changed files with 46 additions and 48 deletions
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2
lib/agent

Submodule lib/agent updated: 65ea786358...8e20c85e07

66
right/src/init_peripherals.c
View File

@@ -22,20 +22,32 @@ volatile uint32_t I2cMainBusRequestedBaudRateBps = I2C_MAIN_BUS_NORMAL_BAUD_RATE
volatile uint32_t I2cMainBusActualBaudRateBps;
static i2c_bus_t i2cMainBus = {
.baseAddr = I2C_MAIN_BUS_BASEADDR,
.clockSrc = I2C_MAIN_BUS_CLK_SRC,
.mux = I2C_MAIN_BUS_MUX,
.sdaClock = I2C_MAIN_BUS_SDA_CLOCK,
.sdaGpio = I2C_MAIN_BUS_SDA_GPIO,
.sdaPort = I2C_MAIN_BUS_SDA_PORT,
.sdaPin = I2C_MAIN_BUS_SDA_PIN,
.sclClock = I2C_MAIN_BUS_SCL_CLOCK,
.sclGpio = I2C_MAIN_BUS_SCL_GPIO,
.sclPort = I2C_MAIN_BUS_SCL_PORT,
.sclPin = I2C_MAIN_BUS_SCL_PIN,
};
static i2c_bus_t i2cEepromBus = {
.baseAddr = I2C_EEPROM_BUS_BASEADDR,
.clockSrc = I2C_EEPROM_BUS_CLK_SRC,
.mux = I2C_EEPROM_BUS_MUX,
.sdaClock = I2C_EEPROM_BUS_SDA_CLOCK,
.sdaGpio = I2C_EEPROM_BUS_SDA_GPIO,
.sdaPort = I2C_EEPROM_BUS_SDA_PORT,
.sdaPin = I2C_EEPROM_BUS_SDA_PIN,
.sclClock = I2C_EEPROM_BUS_SCL_CLOCK,
.sclGpio = I2C_EEPROM_BUS_SCL_GPIO,
.sclPort = I2C_EEPROM_BUS_SCL_PORT,
.sclPin = I2C_EEPROM_BUS_SCL_PIN,
@@ -94,64 +106,44 @@ static void recoverI2cBus(i2c_bus_t *i2cBus)
delay();
}
static void initI2cMainBus(void)
static void initI2cBus(i2c_bus_t *i2cBus)
{
CLOCK_EnableClock(I2C_MAIN_BUS_SDA_CLOCK);
CLOCK_EnableClock(I2C_MAIN_BUS_SCL_CLOCK);
CLOCK_EnableClock(i2cBus->sdaClock);
CLOCK_EnableClock(i2cBus->sclClock);
recoverI2cBus(&i2cMainBus);
recoverI2cBus(i2cBus);
port_pin_config_t pinConfig = {
.pullSelect = kPORT_PullUp,
.openDrainEnable = kPORT_OpenDrainEnable,
.mux = I2C_MAIN_BUS_MUX,
.mux = i2cBus->mux,
};
PORT_SetPinConfig(I2C_MAIN_BUS_SDA_PORT, I2C_MAIN_BUS_SDA_PIN, &pinConfig);
PORT_SetPinConfig(I2C_MAIN_BUS_SCL_PORT, I2C_MAIN_BUS_SCL_PIN, &pinConfig);
PORT_SetPinConfig(i2cBus->sdaPort, i2cBus->sdaPin, &pinConfig);
PORT_SetPinConfig(i2cBus->sclPort, i2cBus->sclPin, &pinConfig);
i2c_master_config_t masterConfig;
I2C_MasterGetDefaultConfig(&masterConfig);
masterConfig.baudRate_Bps = I2cMainBusRequestedBaudRateBps;
uint32_t sourceClock = CLOCK_GetFreq(I2C_MAIN_BUS_CLK_SRC);
I2C_MasterInit(I2C_MAIN_BUS_BASEADDR, &masterConfig, sourceClock);
I2cMainBusActualBaudRateBps = I2C_ActualBaudRate;
masterConfig.baudRate_Bps = i2cBus == &i2cMainBus ? I2cMainBusRequestedBaudRateBps : I2C_EEPROM_BUS_BAUD_RATE;
uint32_t sourceClock = CLOCK_GetFreq(i2cBus->clockSrc);
I2C_MasterInit(i2cBus->baseAddr, &masterConfig, sourceClock);
if (i2cBus == &i2cMainBus) {
I2cMainBusActualBaudRateBps = I2C_ActualBaudRate;
}
}
void ReinitI2cMainBus(void)
{
I2C_MasterDeinit(I2C_MAIN_BUS_BASEADDR);
initI2cMainBus();
initI2cBus(&i2cMainBus);
InitSlaveScheduler();
}
static void initI2cEepromBus(void)
{
port_pin_config_t pinConfig = {
.pullSelect = kPORT_PullUp,
.openDrainEnable = kPORT_OpenDrainEnable,
.mux = I2C_EEPROM_BUS_MUX,
};
CLOCK_EnableClock(I2C_EEPROM_BUS_SDA_CLOCK);
CLOCK_EnableClock(I2C_EEPROM_BUS_SCL_CLOCK);
recoverI2cBus(&i2cEepromBus);
PORT_SetPinConfig(I2C_EEPROM_BUS_SDA_PORT, I2C_EEPROM_BUS_SDA_PIN, &pinConfig);
PORT_SetPinConfig(I2C_EEPROM_BUS_SCL_PORT, I2C_EEPROM_BUS_SCL_PIN, &pinConfig);
i2c_master_config_t masterConfig;
I2C_MasterGetDefaultConfig(&masterConfig);
masterConfig.baudRate_Bps = I2C_EEPROM_BUS_BAUD_RATE;
uint32_t sourceClock = CLOCK_GetFreq(I2C_EEPROM_BUS_CLK_SRC);
I2C_MasterInit(I2C_EEPROM_BUS_BASEADDR, &masterConfig, sourceClock);
}
static void initI2c(void)
{
initI2cMainBus();
initI2cEepromBus();
initI2cBus(&i2cMainBus);
initI2cBus(&i2cEepromBus);
}
void InitPeripherals(void)

26
right/src/init_peripherals.h
View File

@@ -1,21 +1,27 @@
#ifndef __INIT_PERIPHERALS_H__
#define __INIT_PERIPHERALS_H__
// Includes
// Includes:
#include "fsl_common.h"
// Typedefs
// Typedefs:
typedef struct {
GPIO_Type *sdaGpio;
PORT_Type *sdaPort;
uint32_t sdaPin;
typedef struct {
clock_name_t clockSrc;
I2C_Type *baseAddr;
uint16_t mux;
GPIO_Type *sclGpio;
PORT_Type *sclPort;
uint32_t sclPin;
} i2c_bus_t;
clock_ip_name_t sdaClock;
GPIO_Type *sdaGpio;
PORT_Type *sdaPort;
uint32_t sdaPin;
clock_ip_name_t sclClock;
GPIO_Type *sclGpio;
PORT_Type *sclPort;
uint32_t sclPin;
} i2c_bus_t;
// Variables: