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mraa: change all existing code to use libmraa.

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* Made CMake depend on 0.4 libmraa

Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>
This commit is contained in:
Thomas Ingleby
2014-06-25 10:05:27 +01:00
parent 8d25ecacdd
commit 36be22cb90
53 changed files with 640 additions and 640 deletions
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90
src/tm1637/tm1637.cxx
View File

@ -51,56 +51,56 @@ const uint8_t digitToSegment[] = {
};
TM1637::TM1637 (uint8_t di, uint8_t dcki) {
maa_result_t error = MAA_SUCCESS;
maa_init();
mraa_result_t error = MRAA_SUCCESS;
mraa_init();
// init clock context
m_clkPinCtx = maa_gpio_init(dcki);
m_clkPinCtx = mraa_gpio_init(dcki);
if (m_clkPinCtx == NULL) {
fprintf(stderr, "Are you sure that pin%d you requested is valid on your platform?", dcki);
exit(1);
}
// init data context
m_dataPinCtx = maa_gpio_init(di);
m_dataPinCtx = mraa_gpio_init(di);
if (m_dataPinCtx == NULL) {
fprintf(stderr, "Are you sure that pin%d you requested is valid on your platform?", di);
exit(1);
}
// set direction (out)
error = maa_gpio_dir(m_clkPinCtx, MAA_GPIO_IN);
if (error != MAA_SUCCESS) {
maa_result_print(error);
error = mraa_gpio_dir(m_clkPinCtx, MRAA_GPIO_IN);
if (error != MRAA_SUCCESS) {
mraa_result_print(error);
}
// set direction (out)
error = maa_gpio_dir(m_dataPinCtx, MAA_GPIO_IN);
if (error != MAA_SUCCESS) {
maa_result_print(error);
error = mraa_gpio_dir(m_dataPinCtx, MRAA_GPIO_IN);
if (error != MRAA_SUCCESS) {
mraa_result_print(error);
}
error = maa_gpio_write (m_dataPinCtx, LOW);
error = maa_gpio_write (m_clkPinCtx, LOW);
error = mraa_gpio_write (m_dataPinCtx, LOW);
error = mraa_gpio_write (m_clkPinCtx, LOW);
}
TM1637::~TM1637() {
maa_result_t error = MAA_SUCCESS;
error = maa_gpio_close (m_dataPinCtx);
if (error != MAA_SUCCESS) {
maa_result_print(error);
mraa_result_t error = MRAA_SUCCESS;
error = mraa_gpio_close (m_dataPinCtx);
if (error != MRAA_SUCCESS) {
mraa_result_print(error);
}
error = maa_gpio_close (m_clkPinCtx);
if (error != MAA_SUCCESS) {
maa_result_print(error);
error = mraa_gpio_close (m_clkPinCtx);
if (error != MRAA_SUCCESS) {
mraa_result_print(error);
}
}
maa_result_t
mraa_result_t
TM1637::setBrightness (uint8_t level) {
m_brightness = level;
}
maa_result_t
mraa_result_t
TM1637::setSegments (const uint8_t segments[], uint8_t length, uint8_t pos) {
start();
writeByte(TM1637_I2C_COMM1);
@ -118,7 +118,7 @@ TM1637::setSegments (const uint8_t segments[], uint8_t length, uint8_t pos) {
stop();
}
maa_result_t
mraa_result_t
TM1637::write (std::string msg) {
char leter = '\0';
uint8_t data[] = { 0x0, 0x0, 0x0, 0x0 };
@ -132,60 +132,60 @@ TM1637::write (std::string msg) {
setSegments(data);
}
maa_result_t
TM1637::pinMode (maa_gpio_context ctx, gpio_dir_t mode) {
maa_result_t error = MAA_SUCCESS;
error = maa_gpio_dir(ctx, mode);
if (error != MAA_SUCCESS) {
maa_result_print(error);
mraa_result_t
TM1637::pinMode (mraa_gpio_context ctx, gpio_dir_t mode) {
mraa_result_t error = MRAA_SUCCESS;
error = mraa_gpio_dir(ctx, mode);
if (error != MRAA_SUCCESS) {
mraa_result_print(error);
}
}
maa_result_t
mraa_result_t
TM1637::start() {
pinMode (m_dataPinCtx, MAA_GPIO_OUT);
pinMode (m_dataPinCtx, MRAA_GPIO_OUT);
usleep(PULSE_LENGTH);
}
maa_result_t
mraa_result_t
TM1637::stop() {
pinMode (m_dataPinCtx, MAA_GPIO_OUT);
pinMode (m_dataPinCtx, MRAA_GPIO_OUT);
usleep(PULSE_LENGTH);
pinMode (m_clkPinCtx, MAA_GPIO_IN);
pinMode (m_clkPinCtx, MRAA_GPIO_IN);
usleep(PULSE_LENGTH);
pinMode (m_dataPinCtx, MAA_GPIO_IN);
pinMode (m_dataPinCtx, MRAA_GPIO_IN);
usleep(PULSE_LENGTH);
}
maa_result_t
mraa_result_t
TM1637::writeByte(uint8_t value) {
for (uint8_t idx = 0; idx < 8; idx++) {
pinMode(m_clkPinCtx, MAA_GPIO_OUT);
pinMode(m_clkPinCtx, MRAA_GPIO_OUT);
usleep(PULSE_LENGTH);
if (value & 0x01) {
pinMode(m_dataPinCtx, MAA_GPIO_IN);
pinMode(m_dataPinCtx, MRAA_GPIO_IN);
} else {
pinMode(m_dataPinCtx, MAA_GPIO_OUT);
pinMode(m_dataPinCtx, MRAA_GPIO_OUT);
}
usleep(PULSE_LENGTH);
pinMode(m_clkPinCtx, MAA_GPIO_IN);
pinMode(m_clkPinCtx, MRAA_GPIO_IN);
usleep(PULSE_LENGTH);
value = value >> 1;
}
pinMode(m_clkPinCtx, MAA_GPIO_OUT);
pinMode(m_dataPinCtx, MAA_GPIO_IN);
pinMode(m_clkPinCtx, MRAA_GPIO_OUT);
pinMode(m_dataPinCtx, MRAA_GPIO_IN);
usleep(PULSE_LENGTH);
pinMode(m_clkPinCtx, MAA_GPIO_IN);
pinMode(m_clkPinCtx, MRAA_GPIO_IN);
usleep(PULSE_LENGTH);
uint8_t ack = maa_gpio_read (m_dataPinCtx);
uint8_t ack = mraa_gpio_read (m_dataPinCtx);
if (ack == 0) {
pinMode(m_dataPinCtx, MAA_GPIO_OUT);
pinMode(m_dataPinCtx, MRAA_GPIO_OUT);
} usleep(PULSE_LENGTH);
pinMode(m_clkPinCtx, MAA_GPIO_OUT);
pinMode(m_clkPinCtx, MRAA_GPIO_OUT);
usleep(50);
}

22
src/tm1637/tm1637.h
View File

@ -24,8 +24,8 @@
#pragma once
#include <string>
#include <maa/aio.h>
#include <maa/gpio.h>
#include <mraa/aio.h>
#include <mraa/gpio.h>
#define SEG_A 0b00000001
#define SEG_B 0b00000010
@ -82,7 +82,7 @@ class TM1637 {
*
* @param level The brightness level of leds
*/
maa_result_t setBrightness (uint8_t level);
mraa_result_t setBrightness (uint8_t level);
/**
* Set the the segment screen data and number of segments
@ -92,14 +92,14 @@ class TM1637 {
* @param length number of elements in segments array
* @param pos data writing offset
*/
maa_result_t setSegments (const uint8_t segments[], uint8_t length = 4, uint8_t pos = 0);
mraa_result_t setSegments (const uint8_t segments[], uint8_t length = 4, uint8_t pos = 0);
/**
* Write message on the screen.
*
* @param msg The message to be written on the sreen
*/
maa_result_t write (std::string msg);
mraa_result_t write (std::string msg);
/**
* Return name of the component
@ -110,13 +110,13 @@ class TM1637 {
}
private:
maa_result_t start();
maa_result_t stop();
maa_result_t writeByte (uint8_t value);
maa_result_t pinMode (maa_gpio_context ctx, gpio_dir_t mode);
mraa_result_t start();
mraa_result_t stop();
mraa_result_t writeByte (uint8_t value);
mraa_result_t pinMode (mraa_gpio_context ctx, gpio_dir_t mode);
maa_gpio_context m_clkPinCtx;
maa_gpio_context m_dataPinCtx;
mraa_gpio_context m_clkPinCtx;
mraa_gpio_context m_dataPinCtx;
std::string m_name;
uint8_t m_brightness;