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Use module output function to control key LEDs (Martin Jones)

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This commit is contained in:
mmdolze
2010-11-16 21:24:46 +00:00
parent 344c2cb0dd
commit 932cc63d94
3 changed files with 101 additions and 38 deletions
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ChangeLog
+1
View File
@@ -28,6 +28,7 @@ v.0.5dev (ongoing development)
* CFontzPacket: Report cell size correctly, use block character for icon.
* CFontz633: Deprecate this driver. Use CFontzPacket with Model=633 instead!
- Remove native win32 support.
* picolcd: Use module output function to control key LEDs (Martin Jones)
v0.5.3
+ lcdexec: notification when called program finishes
server/drivers/picolcd.c
+97 -37
View File
@@ -1,5 +1,5 @@
/** \file server/drivers/picolcd.c
* LCDd \c picolcd driver for the ini-Box.com USB LCD picoLCD displays.
* LCDd \c picolcd driver for the Mini-Box.com USB LCD picoLCD displays.
*/
/*
@@ -16,6 +16,8 @@
* - Changed to dynamic IR sync(space) injection, by timing time between end and start pulse.
* - Queueing IR data to prevent timeouts by LIRC (sending by timeout)
* - Removed usb_clear_halt, because it breaks picoLCD 20x2 (1.57) communication
* (c) 2010 Martin Jones <martin.t.jones@virgin.net>
* - Use module output function to control key LEDs.
* License: GPL (same as usblcd and lcdPROC)
*
* picoLCD: http://www.mini-box.com/picoLCD-20x2-OEM
@@ -30,7 +32,7 @@
*
*/
/* lcdPROC includes */
/* LCDproc includes */
#include "lcd.h"
#include "picolcd.h"
#include <usb.h>
@@ -93,7 +95,7 @@ typedef struct picolcd_private_data {
/* device info struct */
picolcd_device *device;
int IRenabled;
//For communicating with LIRC
/* For communicating with LIRC */
int lircsock;
struct sockaddr_in lircserver;
/* IR transcode results */
@@ -257,8 +259,8 @@ MODULE_EXPORT int picoLCD_init(Driver *drvthis)
p->contrast = drvthis->config_get_int(drvthis->name, "Contrast", 0, DEFAULT_CONTRAST);
p->brightness = drvthis->config_get_int(drvthis->name, "Brightness", 0, DEFAULT_BRIGHTNESS);
p->backlight = drvthis->config_get_bool(drvthis->name, "BackLight", 0, DEFAULT_BACKLIGHT);
p->keylights = drvthis->config_get_bool(drvthis->name, "KeyLights", 0, DEFAULT_KEYLIGHTS); /* key lights with LCD Backlight? */
p->backlight = drvthis->config_get_bool(drvthis->name, "Backlight", 0, DEFAULT_BACKLIGHT);
p->keylights = drvthis->config_get_bool(drvthis->name, "KeyLights", 0, DEFAULT_KEYLIGHTS);
p->key_timeout = drvthis->config_get_int(drvthis->name, "KeyTimeout", 0, DEFAULT_TIMEOUT);
/* allow individual lights to be set */
@@ -287,11 +289,14 @@ MODULE_EXPORT int picoLCD_init(Driver *drvthis)
if (p->backlight)
picoLCD_backlight(drvthis, 1);
if (! p->keylights)
set_key_lights(p->lcd, p->key_light, 0);
else
picoLCD_backlight(drvthis, 0);
if (p->keylights)
set_key_lights(p->lcd, p->key_light, 1);
else
set_key_lights(p->lcd, p->key_light, 0);
picoLCD_set_contrast(drvthis, p->contrast);
lirchost = drvthis->config_get_string(drvthis->name, "LircHost", 0, NULL);
@@ -397,7 +402,8 @@ MODULE_EXPORT void picoLCD_clear(Driver *drvthis)
}
/* Flush data on screen to the display.
/**
* Flush data on screen to the display.
* \param drvthis Pointer to driver structure.
*/
MODULE_EXPORT void picoLCD_flush(Driver *drvthis)
@@ -500,6 +506,7 @@ MODULE_EXPORT void picoLCD_chr(Driver *drvthis, int x, int y, unsigned char c)
debug(RPT_DEBUG, "%s: chr complete (%c)", drvthis->name, c);
}
/* lcd_logical_driver User-defined character functions */
/**
* Define a custom character and write it to the LCD.
@@ -528,6 +535,7 @@ MODULE_EXPORT int picoLCD_get_free_chars (Driver *drvthis)
return NUM_CCs;
}
/* lcd_logical_driver Extended output functions */
/**
* Draw a vertical bar bottom-up.
@@ -596,7 +604,7 @@ MODULE_EXPORT void picoLCD_hbar (Driver *drvthis, int x, int y, int len, int pro
memset(hBar, 0x00, sizeof(hBar));
for (i = 1; i <= p->cellwidth; i++) {
// fill pixel columns from left to right.
/* fill pixel columns from left to right. */
memset(hBar, 0xFF & ~((1 << (p->cellwidth - i)) - 1), sizeof(hBar)-1);
picoLCD_set_char(drvthis, i, hBar);
}
@@ -633,7 +641,7 @@ MODULE_EXPORT void picoLCD_num (Driver *drvthis, int x, int num)
do_init = 1;
}
// Lib_adv_bignum does everything needed to show the bignumbers.
/* Lib_adv_bignum does everything needed to show the big numbers. */
lib_adv_bignum(drvthis, x, num, 0, do_init);
}
@@ -643,7 +651,7 @@ MODULE_EXPORT void picoLCD_num (Driver *drvthis, int x, int num)
* \param drvthis Pointer to driver structure.
* \param x Horizontal character position (column).
* \param y Vertical character position (row).
* \param icon synbolic value representing the icon.
* \param icon symbolic value representing the icon.
* \retval 0 Icon has been successfully defined/written.
* \retval <0 Server core shall define/write the icon.
*/
@@ -747,7 +755,7 @@ MODULE_EXPORT char *picoLCD_get_key(Driver *drvthis)
debug(RPT_DEBUG, "%s: get_key got non-key/ir data or timeout", drvthis->name);
if (p->result < p->resptr) {
debug(RPT_INFO, "picolcd: timeout %d send lirc data now", p->key_timeout);
/* Send data maybe is enhough for LIRC */
/* Send data maybe is enough for LIRC */
picolcd_lircsend(drvthis);
}
/* We got IR or otherwise bad data */
@@ -765,7 +773,7 @@ MODULE_EXPORT char *picoLCD_get_key(Driver *drvthis)
/*
* Due to how key events are reported, we need to keep reading key presses
* until we get the all clear (all keys up) event.
* until we get the all clear (all keys up) event.
*
* Key events come back in such a way to report up to two simultanious keys
* pressed. The highest numbered key always comes back as the first key and
@@ -791,11 +799,6 @@ MODULE_EXPORT char *picoLCD_get_key(Driver *drvthis)
}
/* lcd_logical_driver Extended output functions */
/* lcd_logical_driver User-defined character functions */
/* lcd_logical_driver Hardware functions */
/**
@@ -897,6 +900,7 @@ MODULE_EXPORT void picoLCD_backlight(Driver *drvthis, int state)
s = p->device->bklight_max;
if (state == BACKLIGHT_OFF) {
/* FIXME: Is 0x00 or 0xFF correct to turn backlight off? */
//packet[1] = (unsigned char) p->device->bklight_min;
packet[1] = 0xff;
picolcd_send(p->lcd, packet, 2);
@@ -911,16 +915,22 @@ MODULE_EXPORT void picoLCD_backlight(Driver *drvthis, int state)
}
/* *
* Set output port(s).
/**
* Set output port(s). If the keypad is connected this controls the key lights.
* \param drvthis Pointer to driver structure.
* \param state Integer with bits representing port states.
*/
/*MODULE_EXPORT int picoLCD_output(Driver *drvthis, int state)
MODULE_EXPORT void picoLCD_output(Driver *drvthis, int state)
{
PrivateData *p = drvthis->private_data;
int x;
int m;
}*/
for (x = 0, m = 1; x < KEYPAD_LIGHTS; x++, m <<= 1) {
p->key_light[x] = state & m;
}
set_key_lights(p->lcd, p->key_light, 1);
}
/* lcd_logical_driver Informational functions */
@@ -955,17 +965,17 @@ MODULE_EXPORT char *picoLCD_get_info(Driver *drvthis)
* \param cbdata Buffer of integers to be transcoded.
*
* \note The picoLCD introduces two issues:
* 1. Every read contains a maximum of 10 samples (20 bytes),
* \note 1. Every read contains a maximum of 10 samples (20 bytes),
* sending the converted samples direct to LIRC will lead to timeouts,
* in LIRC while we are still waiting for the rest of the samples.
* To fix this I queue the samples and send it when a sync is detected or by a timeout.
* 2. The sync (long space) are not send by the picoLCD.
* \note 2. The sync (long space) are not send by the picoLCD.
* To fix this we look for a pulse at the end of the last message and a pulse at the
* begin new message, we then flush the queue and start with a (sync) space, with
* the duration of the time between the last and current message.
*
* \note To make LIRC happy I send the queued samples with the sync space a the begin,
* and not at the end (the next 'calcutated' sync is put at the begin of the next message),
* and not at the end (the next 'calculated' sync is put at the begin of the next message),
* this is because LIRC requires a space at the begin but will solves the missing space
* with a timeout at the end.
*/
@@ -1014,7 +1024,7 @@ static void ir_transcode(Driver *drvthis, unsigned char* data, unsigned int cbda
*p->resptr++ = (unsigned char)(gap & 0xff);
*p->resptr++ = (unsigned char)((gap >> 8) & 0xff);
}
/* Check if there is enhough space left in buffer to store all new samples */
/* Check if there is enough space left in buffer to store all new samples */
else if (cbdata >= (&p->result[sizeof(p->result)] - p->resptr)) {
/* This should never happen but just to be sure. */
debug(RPT_INFO, "picolcd: buffer almost full send lirc data now");
@@ -1025,19 +1035,19 @@ static void ir_transcode(Driver *drvthis, unsigned char* data, unsigned int cbda
w |= *data++ << 8;
if (w & 0x8000) {
//IF w is negative THEN negate. E.g. 0xDCA1 (-9055) -> 9055.
/* IF w is negative THEN negate. E.g. 0xDCA1 (-9055) -> 9055. */
w = 0x10000 - w;
//scale: orig is usec, new is jiffy. E.g. 9055usec = 148 jiffy.
/* scale: orig is usec, new is jiffy. E.g. 9055usec = 148 jiffy. */
w = (w * 16384/ 1000000) & 0xFFFF;
}
else {
//Scale.
/* Scale */
w = w * 16384 / 1000000;
if (w >= p->flush_threshold) {
report(RPT_INFO, "picolcd: detected sync space sending lirc data now");
picolcd_lircsend(drvthis);
}
//Set the space bit.
/* Set the space bit */
w |= 0x8000;
}
*p->resptr++ = (unsigned char)(w & 0xff);
@@ -1090,6 +1100,12 @@ static void picolcd_lircsend(Driver *drvthis)
}
/**
* Send raw data to the display using low level usb_interrupt_write.
* \param lcd pointer to device handle
* \param data pointer to data packet to send
* \param size number of bytes to send
*/
static void picolcd_send(usb_dev_handle *lcd, unsigned char *data, int size)
{
if ((lcd == NULL) && (data == NULL))
@@ -1099,7 +1115,13 @@ static void picolcd_send(usb_dev_handle *lcd, unsigned char *data, int size)
}
/* Write function for 20x4 desktop displays */
/**
* Write function for 20x4 desktop displays
* \param lcd pointer to device handle
* \param row Row to place the string at
* \param col ignored
* \param data pointer to NUL terminated string
*/
static void picolcd_20x4_write(usb_dev_handle *lcd, const int row, const int col, const unsigned char *data)
{
unsigned char packet[64] = { 0x95, 0x01, 0x00, 0x01 };
@@ -1111,9 +1133,11 @@ static void picolcd_20x4_write(usb_dev_handle *lcd, const int row, const int col
};
int len = strlen((char *) data);
/* Cut off at display width */
if (len > 20)
len = 20;
/* Send command to select row */
switch (row) {
case 0: picolcd_send(lcd, lineset[0], 6); break;
case 1: picolcd_send(lcd, lineset[1], 6); break;
@@ -1122,23 +1146,33 @@ static void picolcd_20x4_write(usb_dev_handle *lcd, const int row, const int col
default: picolcd_send(lcd, lineset[0], 6); break;
}
/* Fill in an send packet */
packet[4] = len;
memcpy(packet + 5, data, len);
picolcd_send(lcd, packet, 5 + len);
}
/* Write function for 20x2 OEM displays */
/**
* Write function for 20x2 OEM displays
* \param lcd pointer to device handle
* \param row Row to place the string at
* \param col ignored
* \param data pointer to NUL terminated string
*/
static void picolcd_20x2_write(usb_dev_handle *lcd, const int row, const int col, const unsigned char *data)
{
unsigned char packet[64] = { 0x98 };
int len = strlen((char *) data);
/*
* FIXME: Is it possible that data is written beyond the end of
* the selected row? Shouldn't cut off happen at (20 - col)?
*/
if (len > 20)
len = 20;
/* prepare and send packet */
packet[1] = row;
packet[2] = col;
packet[3] = len;
@@ -1149,7 +1183,12 @@ static void picolcd_20x2_write(usb_dev_handle *lcd, const int row, const int col
}
/* Custom character define function for 20x2 OEM displays */
/**
* Custom character define function for 20x2 OEM displays
* \param drvthis Pointer to driver structure
* \param n Index of custom character to update
* \param dat Pointer to array of pixel data
*/
static void picolcd_20x2_set_char(Driver *drvthis, int n, unsigned char *dat)
{
PrivateData *p = drvthis->private_data;
@@ -1172,7 +1211,12 @@ static void picolcd_20x2_set_char(Driver *drvthis, int n, unsigned char *dat)
}
/* Custom character define function for 20x4 desktop displays */
/**
* Custom character define function for 20x4 desktop displays
* \param drvthis Pointer to driver structure
* \param n Index of custom character to update
* \param dat Pointer to array of pixel data
*/
static void picolcd_20x4_set_char(Driver *drvthis, int n, unsigned char *dat)
{
PrivateData *p = drvthis->private_data;
@@ -1192,6 +1236,13 @@ static void picolcd_20x4_set_char(Driver *drvthis, int n, unsigned char *dat)
}
/**
* Read a key or IR event from the display into one packet.
* \param lcd pointer to device handle
* \param packet Pointer to packet structure which is filled with data
* read from the display
* \param timeout Read timeout in ms
*/
static void get_key_event(usb_dev_handle *lcd, lcd_packet *packet, int timeout)
{
int ret;
@@ -1201,6 +1252,7 @@ static void get_key_event(usb_dev_handle *lcd, lcd_packet *packet, int timeout)
ret = usb_interrupt_read(lcd, USB_ENDPOINT_IN + 1, (char *)packet->data, PICOLCD_MAX_DATA_LEN, timeout);
if (ret > 0) {
/* Set packet type */
switch (packet->data[0]) {
case IN_REPORT_KEY_STATE: {
packet->type = IN_REPORT_KEY_STATE;
@@ -1216,6 +1268,13 @@ static void get_key_event(usb_dev_handle *lcd, lcd_packet *packet, int timeout)
}
/**
* Set lights for individual keys
* \param lcd pointer to device handle
* \param keys array indicating which key number to turn on
* \param state 0 to turn all LEDs off, 1 to turn them on according to
* values set in 'keys' array
*/
static void set_key_lights(usb_dev_handle *lcd, int keys[], int state)
{
unsigned char packet[2] = { 0x81 }; /* set led */
@@ -1225,7 +1284,7 @@ static void set_key_lights(usb_dev_handle *lcd, int keys[], int state)
if (state) {
/* Only LEDs we want on */
for (i = 0; i < KEYPAD_LIGHTS; i++)
if(keys[i])
if (keys[i])
leds |= (1 << i);
else
leds &= ~ (1 << i);
@@ -1239,3 +1298,4 @@ static void set_key_lights(usb_dev_handle *lcd, int keys[], int state)
picolcd_send(lcd, packet, 2);
}
/* EOF */
server/drivers/picolcd.h
+3 -1
View File
@@ -10,6 +10,8 @@
* (c) 2008 Jack Cleaver - add LIRC connection
* (c) 2008 Mini-Box.com Nicu Pavel <npavel@mini-box.com>
* - Added support for 4x20 picoLCD
* (c) 2010 Martin Jones <martin.t.jones@virgin.net>
* - Use module output function to control key LEDs.
* License: GPL (same as usblcd and lcdPROC)
*
* picoLCD: http://www.mini-box.com/picoLCD-20x2-OEM
@@ -97,7 +99,7 @@ MODULE_EXPORT void picoLCD_set_contrast(Driver *drvthis, int promille);
//MODULE_EXPORT int picoLCD_get_brightness(Driver *drvthis, int state);
MODULE_EXPORT void picoLCD_set_brightness(Driver *drvthis, int state, int promille);
MODULE_EXPORT void picoLCD_backlight(Driver *drvthis, int state);
//MODULE_EXPORT void picoLCD_output(Driver *drvthis, int state);
MODULE_EXPORT void picoLCD_output(Driver *drvthis, int state);
MODULE_EXPORT char *picoLCD_get_info(Driver *drvthis);