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Misc. general cleanup

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This commit is contained in:
Scott Lahteine 2017-11-19 14:12:45 -06:00
parent 8836623e0f
commit b9327a4d16
5 changed files with 130 additions and 145 deletions
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91
Marlin/src/HAL/HAL_LPC1768/HAL_LCD_I2C_routines.c
View file

@ -23,25 +23,22 @@
// adapted from I2C/master/master.c example
// https://www-users.cs.york.ac.uk/~pcc/MCP/HAPR-Course-web/CMSIS/examples/html/master_8c_source.html
#ifdef TARGET_LPC1768
#if defined(TARGET_LPC1768)
#ifdef __cplusplus
#ifdef __cplusplus
extern "C" {
#endif
#endif
#include <lpc17xx_i2c.h>
#include <lpc17xx_pinsel.h>
#include <lpc17xx_libcfg_default.h>
#include <lpc17xx_i2c.h>
#include <lpc17xx_pinsel.h>
#include <lpc17xx_libcfg_default.h>
//////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////
// These two routines are exact copies of the lpc17xx_i2c.c routines. Couldn't link to
// to the lpc17xx_i2c.c routines so had to copy them into this file & rename them.
// These two routines are exact copies of the lpc17xx_i2c.c routines. Couldn't link to
// to the lpc17xx_i2c.c routines so had to copy them into this file & rename them.
static uint32_t _I2C_Start (LPC_I2C_TypeDef *I2Cx)
{
static uint32_t _I2C_Start (LPC_I2C_TypeDef *I2Cx) {
// Reset STA, STO, SI
I2Cx->I2CONCLR = I2C_I2CONCLR_SIC|I2C_I2CONCLR_STOC|I2C_I2CONCLR_STAC;
@ -52,51 +49,43 @@
while (!(I2Cx->I2CONSET & I2C_I2CONSET_SI));
I2Cx->I2CONCLR = I2C_I2CONCLR_STAC;
return (I2Cx->I2STAT & I2C_STAT_CODE_BITMASK);
}
static void _I2C_Stop (LPC_I2C_TypeDef *I2Cx)
{
}
static void _I2C_Stop (LPC_I2C_TypeDef *I2Cx) {
/* Make sure start bit is not active */
if (I2Cx->I2CONSET & I2C_I2CONSET_STA)
{
I2Cx->I2CONCLR = I2C_I2CONCLR_STAC;
}
I2Cx->I2CONSET = I2C_I2CONSET_STO|I2C_I2CONSET_AA;
I2Cx->I2CONCLR = I2C_I2CONCLR_SIC;
}
}
//////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////
#define U8G_I2C_OPT_FAST 16 // from u8g.h
#define U8G_I2C_OPT_FAST 16 // from u8g.h
#define USEDI2CDEV_M 1
#define USEDI2CDEV_M 1
#define I2CDEV_S_ADDR 0x78 // from SSD1306 //actual address is 0x3C - shift left 1 with LSB set to 0 to indicate write
#define I2CDEV_S_ADDR 0x78 // from SSD1306 //actual address is 0x3C - shift left 1 with LSB set to 0 to indicate write
#define BUFFER_SIZE 0x1 // only do single byte transfers with LCDs
#define BUFFER_SIZE 0x1 // only do single byte transfers with LCDs
#if (USEDI2CDEV_M == 0)
#if (USEDI2CDEV_M == 0)
#define I2CDEV_M LPC_I2C0
#elif (USEDI2CDEV_M == 1)
#elif (USEDI2CDEV_M == 1)
#define I2CDEV_M LPC_I2C1
#elif (USEDI2CDEV_M == 2)
#elif (USEDI2CDEV_M == 2)
#define I2CDEV_M LPC_I2C2
#else
#else
#error "Master I2C device not defined!"
#endif
#endif
PINSEL_CFG_Type PinCfg;
I2C_M_SETUP_Type transferMCfg;
PINSEL_CFG_Type PinCfg;
I2C_M_SETUP_Type transferMCfg;
#define I2C_status (LPC_I2C1->I2STAT & I2C_STAT_CODE_BITMASK)
#define I2C_status (LPC_I2C1->I2STAT & I2C_STAT_CODE_BITMASK)
uint8_t u8g_i2c_start(uint8_t sla) { // send slave address and write bit
uint8_t u8g_i2c_start(uint8_t sla) { // send slave address and write bit
// Sometimes TX data ACK or NAK status is returned. That mean the start state didn't
// happen which means only the value of the slave address was send. Keep looping until
// the slave address and write bit are actually sent.
@ -118,12 +107,11 @@
&& (I2C_status != I2C_I2STAT_M_TX_DAT_NACK)); //wait for slaw to finish
}while ( (I2C_status == I2C_I2STAT_M_TX_DAT_ACK) || (I2C_status == I2C_I2STAT_M_TX_DAT_NACK));
return 1;
}
}
void u8g_i2c_init(uint8_t clock_option) {
void u8g_i2c_init(uint8_t clock_option) {
/*
/**
* Init I2C pin connect
*/
PinCfg.OpenDrain = 0;
@ -155,14 +143,14 @@
// Initialize I2C peripheral
I2C_Init(I2CDEV_M, (clock_option & U8G_I2C_OPT_FAST) ? 400000: 100000); // LCD data rates
/* Enable Master I2C operation */
// Enable Master I2C operation
I2C_Cmd(I2CDEV_M, I2C_MASTER_MODE, ENABLE);
u8g_i2c_start(0); // send slave address and write bit
}
}
volatile extern uint32_t _millis;
uint8_t u8g_i2c_send_byte(uint8_t data) {
volatile extern uint32_t _millis;
uint8_t u8g_i2c_send_byte(uint8_t data) {
#define I2C_TIMEOUT 3
LPC_I2C1->I2DAT = data & I2C_I2DAT_BITMASK; // transmit data
LPC_I2C1->I2CONSET = I2C_I2CONSET_AA;
@ -171,13 +159,14 @@
while ((I2C_status != I2C_I2STAT_M_TX_DAT_ACK) && (I2C_status != I2C_I2STAT_M_TX_DAT_NACK) && (timeout > _millis)); // wait for xmit to finish
// had hangs with SH1106 so added time out - have seen temporary screen corruption when this happens
return 1;
}
}
void u8g_i2c_stop(void) {
}
void u8g_i2c_stop(void) {
}
#ifdef __cplusplus
#ifdef __cplusplus
}
#endif
#endif
#endif // TARGET_LPC1768

16
Marlin/src/HAL/HAL_LPC1768/arduino.cpp
View file

@ -72,8 +72,7 @@ extern "C" void delay(const int msec) {
// IO functions
// As defined by Arduino INPUT(0x0), OUPUT(0x1), INPUT_PULLUP(0x2)
void pinMode(pin_t pin, uint8_t mode) {
if (!VALID_PIN(pin))
return;
if (!VALID_PIN(pin)) return;
PINSEL_CFG_Type config = { LPC1768_PIN_PORT(pin),
LPC1768_PIN_PIN(pin),
@ -100,8 +99,7 @@ void pinMode(pin_t pin, uint8_t mode) {
}
void digitalWrite(pin_t pin, uint8_t pin_status) {
if (!VALID_PIN(pin))
return;
if (!VALID_PIN(pin)) return;
if (pin_status)
LPC_GPIO(LPC1768_PIN_PORT(pin))->FIOSET = LPC_PIN(LPC1768_PIN_PIN(pin));
@ -120,20 +118,18 @@ void digitalWrite(pin_t pin, uint8_t pin_status) {
}
bool digitalRead(pin_t pin) {
if (!VALID_PIN(pin)) {
return false;
}
if (!VALID_PIN(pin)) return false;
return LPC_GPIO(LPC1768_PIN_PORT(pin))->FIOPIN & LPC_PIN(LPC1768_PIN_PIN(pin)) ? 1 : 0;
}
void analogWrite(pin_t pin, int pwm_value) { // 1 - 254: pwm_value, 0: LOW, 255: HIGH
if (!VALID_PIN(pin)) return;
#define MR0_MARGIN 200 // if channel value too close to MR0 the system locks up
static bool out_of_PWM_slots = false;
if (!VALID_PIN(pin))
return;
uint value = MAX(MIN(pwm_value, 255), 0);
if (value == 0 || value == 255) { // treat as digital pin
LPC1768_PWM_detach_pin(pin); // turn off PWM

1
Marlin/src/HAL/HAL_LPC1768/pinmapping.h
View file

@ -22,6 +22,7 @@
#ifndef __HAL_PINMAPPING_H__
#define __HAL_PINMAPPING_H__
#include "../../core/macros.h"
#include <stdint.h>

1
Marlin/src/core/macros.h
View file

@ -43,7 +43,6 @@
#define _O2 __attribute__((optimize("O2")))
#define _O3 __attribute__((optimize("O3")))
// Clock speed factors
#define CYCLES_PER_MICROSECOND (F_CPU / 1000000L) // 16 or 20
#define INT0_PRESCALER 8

4
Marlin/src/inc/Version.h
View file

@ -27,7 +27,7 @@
/**
* This file is the standard Marlin version identifier file, all fields can be
* overriden by the ones defined on _Version.h by using the Configuration.h
* overriden by the ones defined in _Version.h by using the Configuration.h
* directive USE_AUTOMATIC_VERSIONING.
*/
@ -53,7 +53,7 @@
* here we define this default string as the date where the latest release
* version was tagged.
*/
#define STRING_DISTRIBUTION_DATE "2017-10-19 12:00"
#define STRING_DISTRIBUTION_DATE "2017-11-19 12:00"
/**
* Required minimum Configuration.h and Configuration_adv.h file versions.