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Add reset_button.c and test_led.c. Clean up init_peripherials.c

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This commit is contained in:
László Monda
2016-10-05 02:05:05 +02:00
parent 5936129ebc
commit f0b63a6f7b
8 changed files with 79 additions and 42 deletions
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31
right/src/i2c.h
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@@ -1,10 +1,29 @@
#ifndef __MAIN_H__
#define __MAIN_H__
#ifndef __I2C_H__
#define __I2C_H__
#define I2C_BASEADDR_MAIN_BUS I2C0
#define I2C_BASEADDR_EEPROM_BUS I2C1
#define I2C_MAIN_BUS_SDA_PORT PORTD
#define I2C_MAIN_BUS_SDA_CLOCK kCLOCK_PortD
#define I2C_MAIN_BUS_SDA_PIN 3
#define I2C_BAUD_RATE 100000
#define I2C_MASTER_CLK_SRC I2C0_CLK_SRC
#define I2C_MAIN_BUS_SCL_PORT PORTD
#define I2C_MAIN_BUS_SCL_CLOCK kCLOCK_PortD
#define I2C_MAIN_BUS_SCL_PIN 2
#define I2C_EEPROM_BUS_SDA_PORT PORTC
#define I2C_EEPROM_BUS_SDA_CLOCK kCLOCK_PortC
#define I2C_EEPROM_BUS_SDA_PIN 11
#define I2C_EEPROM_BUS_SCL_PORT PORTC
#define I2C_EEPROM_BUS_SCL_CLOCK kCLOCK_PortD
#define I2C_EEPROM_BUS_SCL_PIN 10
#define I2C_MAIN_BUS_BASEADDR I2C0
#define I2C_EEPROM_BUS_BASEADDR I2C1
#define I2C_MAIN_BUS_BAUD_RATE 100000
#define I2C_EEPROM_BUS_BAUD_RATE 1000000
#define I2C_MASTER_BUS_CLK_SRC I2C0_CLK_SRC
#define I2C_EEPROM_BUS_CLK_SRC I2C1_CLK_SRC
#endif

55
right/src/init_peripherials.c
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@@ -5,42 +5,35 @@
#include "i2c.h"
#include "led_driver.h"
void InitPeripherials(void)
{
// Ungate ports.
CLOCK_EnableClock(kCLOCK_PortA); // LEDs
CLOCK_EnableClock(kCLOCK_PortB); // SW3
CLOCK_EnableClock(kCLOCK_PortC); // SW2
CLOCK_EnableClock(kCLOCK_PortD); // LEDs, I2C
// Set up switches
port_pin_config_t switchConfig = {
void InitI2c() {
port_pin_config_t pinConfig = {
.pullSelect = kPORT_PullUp,
.mux = kPORT_MuxAsGpio,
.openDrainEnable = kPORT_OpenDrainEnable,
.mux = kPORT_MuxAlt7
};
PORT_SetPinConfig(RESET_BUTTON_PORT, RESET_BUTTON_PIN, &switchConfig);
// Initialize LEDs.
CLOCK_EnableClock(I2C_MAIN_BUS_SDA_CLOCK);
CLOCK_EnableClock(I2C_MAIN_BUS_SCL_CLOCK);
PORT_SetPinMux(TEST_LED_GPIO_PORT, TEST_LED_GPIO_PIN, kPORT_MuxAsGpio);
TEST_LED_INIT(0);
// Initialize I2C.
port_pin_config_t pinConfig = {0};
pinConfig.pullSelect = kPORT_PullUp;
pinConfig.openDrainEnable = kPORT_OpenDrainEnable;
PORT_SetPinConfig(PORTD, 2, &pinConfig);
PORT_SetPinConfig(PORTD, 3, &pinConfig);
PORT_SetPinMux(PORTD, 2, kPORT_MuxAlt7);
PORT_SetPinMux(PORTD, 3, kPORT_MuxAlt7);
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);
i2c_master_config_t masterConfig;
uint32_t sourceClock;
I2C_MasterGetDefaultConfig(&masterConfig);
masterConfig.baudRate_Bps = I2C_BAUD_RATE;
sourceClock = CLOCK_GetFreq(I2C_MASTER_CLK_SRC);
I2C_MasterInit(I2C_BASEADDR_MAIN_BUS, &masterConfig, sourceClock);
masterConfig.baudRate_Bps = I2C_MAIN_BUS_BAUD_RATE;
uint32_t sourceClock = CLOCK_GetFreq(I2C_MASTER_BUS_CLK_SRC);
I2C_MasterInit(I2C_MAIN_BUS_BASEADDR, &masterConfig, sourceClock);
}
void InitPeripherials(void)
{
CLOCK_EnableClock(kCLOCK_PortA);
CLOCK_EnableClock(kCLOCK_PortB);
CLOCK_EnableClock(kCLOCK_PortC);
CLOCK_EnableClock(kCLOCK_PortD);
InitResetButton();
InitTestLed();
InitI2c();
}

2
right/src/led_driver.c
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@@ -10,7 +10,7 @@ void LedDriver_WriteBuffer(uint8_t i2cAddress, uint8_t buffer[], uint8_t size)
masterXfer.data = buffer;
masterXfer.dataSize = size;
masterXfer.flags = kI2C_TransferDefaultFlag;
I2C_MasterTransferBlocking(I2C_BASEADDR_MAIN_BUS, &masterXfer);
I2C_MasterTransferBlocking(I2C_MAIN_BUS_BASEADDR, &masterXfer);
}
void LedDriver_WriteRegister(uint8_t i2cAddress, uint8_t reg, uint8_t val)

8
right/src/reset_button.c Normal file
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@@ -0,0 +1,8 @@
#include "reset_button.h"
#include "fsl_port.h"
void InitResetButton() {
PORT_SetPinConfig(RESET_BUTTON_PORT, RESET_BUTTON_PIN,
&(port_pin_config_t){.pullSelect=kPORT_PullUp, .mux=kPORT_MuxAsGpio});
CLOCK_EnableClock(RESET_BUTTON_CLOCK);
}

5
right/src/reset_button.h
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@@ -9,8 +9,13 @@
#define RESET_BUTTON_GPIO GPIOB
#define RESET_BUTTON_PORT PORTB
#define RESET_BUTTON_CLOCK kCLOCK_PortB
#define RESET_BUTTON_PIN 1
#define RESET_BUTTON_IRQ PORTB_IRQn
#define RESET_BUTTON_IRQ_HANDLER PORTB_IRQHandler
// Functions:
extern void InitResetButton();
#endif

9
right/src/test_led.c Normal file
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@@ -0,0 +1,9 @@
#include "test_led.h"
#include "fsl_port.h"
extern void InitTestLed()
{
PORT_SetPinMux(TEST_LED_GPIO_PORT, TEST_LED_GPIO_PIN, kPORT_MuxAsGpio);
GPIO_PinInit(TEST_LED_GPIO, TEST_LED_GPIO_PIN, &(gpio_pin_config_t){kGPIO_DigitalOutput, 0});
CLOCK_EnableClock(TEST_LED_CLOCK);
}

7
right/src/test_led.h
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@@ -12,12 +12,15 @@
#define TEST_LED_GPIO GPIOD
#define TEST_LED_GPIO_PORT PORTD
#define TEST_LED_CLOCK kCLOCK_PortD
#define TEST_LED_GPIO_PIN 7U
#define TEST_LED_INIT(output) GPIO_PinInit(TEST_LED_GPIO, TEST_LED_GPIO_PIN, \
&(gpio_pin_config_t){kGPIO_DigitalOutput, (output)})
#define TEST_LED_ON() GPIO_ClearPinsOutput(TEST_LED_GPIO, 1U << TEST_LED_GPIO_PIN)
#define TEST_LED_OFF() GPIO_SetPinsOutput(TEST_LED_GPIO, 1U << TEST_LED_GPIO_PIN)
#define TEST_LED_TOGGLE() GPIO_TogglePinsOutput(TEST_LED_GPIO, 1U << TEST_LED_GPIO_PIN)
// Functions:
extern void InitTestLed();
#endif