summaryrefslogtreecommitdiff
path: root/board/trab/trab_fkt.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/trab/trab_fkt.c')
-rw-r--r--board/trab/trab_fkt.c1418
1 files changed, 0 insertions, 1418 deletions
diff --git a/board/trab/trab_fkt.c b/board/trab/trab_fkt.c
deleted file mode 100644
index fe3dab351f..0000000000
--- a/board/trab/trab_fkt.c
+++ /dev/null
@@ -1,1418 +0,0 @@
-/*
- * (C) Copyright 2003
- * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#define DEBUG
-
-#include <common.h>
-#include <exports.h>
-#include <timestamp.h>
-#include <asm/arch/s3c24x0_cpu.h>
-#include "tsc2000.h"
-#include "rs485.h"
-
-/*
- * define, to wait for the touch to be pressed, before reading coordinates in
- * command do_touch. If not defined, an error message is printed, when the
- * command do_touch is invoked and the touch is not pressed within an specific
- * interval.
- */
-#undef CONFIG_TOUCH_WAIT_PRESSED
-
-/* max time to wait for touch is pressed */
-#ifndef CONFIG_TOUCH_WAIT_PRESSED
-#define TOUCH_TIMEOUT 5
-#endif /* !CONFIG_TOUCH_WAIT_PRESSED */
-
-/* assignment of CPU internal ADC channels with TRAB hardware */
-#define VCC5V 2
-#define VCC12V 3
-
-/* CPLD-Register for controlling TRAB hardware functions */
-#define CPLD_BUTTONS ((volatile unsigned long *)0x04020000)
-#define CPLD_FILL_LEVEL ((volatile unsigned long *)0x04008000)
-#define CPLD_ROTARY_SWITCH ((volatile unsigned long *)0x04018000)
-#define CPLD_RS485_RE ((volatile unsigned long *)0x04028000)
-
-/* timer configuration bits for buzzer and PWM */
-#define START2 (1 << 12)
-#define UPDATE2 (1 << 13)
-#define INVERT2 (1 << 14)
-#define RELOAD2 (1 << 15)
-#define START3 (1 << 16)
-#define UPDATE3 (1 << 17)
-#define INVERT3 (1 << 18)
-#define RELOAD3 (1 << 19)
-
-#define PCLK 66000000
-#define BUZZER_FREQ 1000 /* frequency in Hz */
-#define PWM_FREQ 500
-
-
-/* definitions of I2C EEPROM device address */
-#define I2C_EEPROM_DEV_ADDR 0x54
-
-/* definition for touch panel calibration points */
-#define CALIB_TL 0 /* calibration point in (T)op (L)eft corner */
-#define CALIB_DR 1 /* calibration point in (D)own (R)ight corner */
-
-/* EEPROM address map */
-#define SERIAL_NUMBER 8
-#define TOUCH_X0 52
-#define TOUCH_Y0 54
-#define TOUCH_X1 56
-#define TOUCH_Y1 58
-#define CRC16 60
-
-/* EEPROM stuff */
-#define EEPROM_MAX_CRC_BUF 64
-
-/* RS485 stuff */
-#define RS485_MAX_RECEIVE_BUF_LEN 100
-
-/* Bit definitions for ADCCON */
-#define ADC_ENABLE_START 0x1
-#define ADC_READ_START 0x2
-#define ADC_STDBM 0x4
-#define ADC_INP_AIN0 (0x0 << 3)
-#define ADC_INP_AIN1 (0x1 << 3)
-#define ADC_INP_AIN2 (0x2 << 3)
-#define ADC_INP_AIN3 (0x3 << 3)
-#define ADC_INP_AIN4 (0x4 << 3)
-#define ADC_INP_AIN5 (0x5 << 3)
-#define ADC_INP_AIN6 (0x6 << 3)
-#define ADC_INP_AIN7 (0x7 << 3)
-#define ADC_PRSCEN 0x4000
-#define ADC_ECFLG 0x8000
-
-/* function test functions */
-int do_dip (void);
-int do_info (void);
-int do_vcc5v (void);
-int do_vcc12v (void);
-int do_buttons (void);
-int do_fill_level (void);
-int do_rotary_switch (void);
-int do_pressure (void);
-int do_v_bat (void);
-int do_vfd_id (void);
-int do_buzzer (char * const *);
-int do_led (char * const *);
-int do_full_bridge (char * const *);
-int do_dac (char * const *);
-int do_motor_contact (void);
-int do_motor (char * const *);
-int do_pwm (char * const *);
-int do_thermo (char * const *);
-int do_touch (char * const *);
-int do_rs485 (char * const *);
-int do_serial_number (char * const *);
-int do_crc16 (void);
-int do_power_switch (void);
-int do_gain (char * const *);
-int do_eeprom (char * const *);
-
-/* helper functions */
-static void adc_init (void);
-static int adc_read (unsigned int channel);
-static void print_identifier (void);
-
-#ifdef CONFIG_TOUCH_WAIT_PRESSED
-static void touch_wait_pressed (void);
-#else
-static int touch_check_pressed (void);
-#endif /* CONFIG_TOUCH_WAIT_PRESSED */
-
-static void touch_read_x_y (int *x, int *y);
-static int touch_write_clibration_values (int calib_point, int x, int y);
-static int rs485_send_line (const char *data);
-static int rs485_receive_chars (char *data, int timeout);
-static unsigned short updcrc(unsigned short icrc, unsigned char *icp,
- unsigned int icnt);
-
-#if defined(CONFIG_CMD_I2C)
-static int trab_eeprom_read (char * const *argv);
-static int trab_eeprom_write (char * const *argv);
-int i2c_write_multiple (uchar chip, uint addr, int alen, uchar *buffer,
- int len);
-int i2c_read_multiple ( uchar chip, uint addr, int alen, uchar *buffer,
- int len);
-#endif
-
-/*
- * TRAB board specific commands. Especially commands for burn-in and function
- * test.
- */
-
-int trab_fkt (int argc, char * const argv[])
-{
- int i;
-
- app_startup(argv);
- if (get_version () != XF_VERSION) {
- printf ("Wrong XF_VERSION. Please re-compile with actual "
- "u-boot sources\n");
- printf ("Example expects ABI version %d\n", XF_VERSION);
- printf ("Actual U-Boot ABI version %d\n", (int)get_version());
- return 1;
- }
-
- debug ("argc = %d\n", argc);
-
- for (i=0; i<=argc; ++i) {
- debug ("argv[%d] = \"%s\"\n", i, argv[i] ? argv[i] : "<NULL>");
- }
-
- adc_init ();
-
- switch (argc) {
-
- case 0:
- case 1:
- break;
-
- case 2:
- if (strcmp (argv[1], "info") == 0) {
- return (do_info ());
- }
- if (strcmp (argv[1], "dip") == 0) {
- return (do_dip ());
- }
- if (strcmp (argv[1], "vcc5v") == 0) {
- return (do_vcc5v ());
- }
- if (strcmp (argv[1], "vcc12v") == 0) {
- return (do_vcc12v ());
- }
- if (strcmp (argv[1], "buttons") == 0) {
- return (do_buttons ());
- }
- if (strcmp (argv[1], "fill_level") == 0) {
- return (do_fill_level ());
- }
- if (strcmp (argv[1], "rotary_switch") == 0) {
- return (do_rotary_switch ());
- }
- if (strcmp (argv[1], "pressure") == 0) {
- return (do_pressure ());
- }
- if (strcmp (argv[1], "v_bat") == 0) {
- return (do_v_bat ());
- }
- if (strcmp (argv[1], "vfd_id") == 0) {
- return (do_vfd_id ());
- }
- if (strcmp (argv[1], "motor_contact") == 0) {
- return (do_motor_contact ());
- }
- if (strcmp (argv[1], "crc16") == 0) {
- return (do_crc16 ());
- }
- if (strcmp (argv[1], "power_switch") == 0) {
- return (do_power_switch ());
- }
- break;
-
- case 3:
- if (strcmp (argv[1], "full_bridge") == 0) {
- return (do_full_bridge (argv));
- }
- if (strcmp (argv[1], "dac") == 0) {
- return (do_dac (argv));
- }
- if (strcmp (argv[1], "motor") == 0) {
- return (do_motor (argv));
- }
- if (strcmp (argv[1], "pwm") == 0) {
- return (do_pwm (argv));
- }
- if (strcmp (argv[1], "thermo") == 0) {
- return (do_thermo (argv));
- }
- if (strcmp (argv[1], "touch") == 0) {
- return (do_touch (argv));
- }
- if (strcmp (argv[1], "serial_number") == 0) {
- return (do_serial_number (argv));
- }
- if (strcmp (argv[1], "buzzer") == 0) {
- return (do_buzzer (argv));
- }
- if (strcmp (argv[1], "gain") == 0) {
- return (do_gain (argv));
- }
- break;
-
- case 4:
- if (strcmp (argv[1], "led") == 0) {
- return (do_led (argv));
- }
- if (strcmp (argv[1], "rs485") == 0) {
- return (do_rs485 (argv));
- }
- if (strcmp (argv[1], "serial_number") == 0) {
- return (do_serial_number (argv));
- }
- break;
-
- case 5:
- if (strcmp (argv[1], "eeprom") == 0) {
- return (do_eeprom (argv));
- }
- break;
-
- case 6:
- if (strcmp (argv[1], "eeprom") == 0) {
- return (do_eeprom (argv));
- }
- break;
-
- default:
- break;
- }
-
- printf ("Usage:\n<command> <parameter1> <parameter2> ...\n");
- return 1;
-}
-
-void hang (void)
-{
- puts ("### ERROR ### Please RESET the board ###\n");
- for (;;);
-}
-
-int do_info (void)
-{
- printf ("Stand-alone application for TRAB board function test\n");
- printf ("Built: %s at %s\n", U_BOOT_DATE, U_BOOT_TIME);
-
- return 0;
-}
-
-int do_dip (void)
-{
- unsigned int result = 0;
- int adc_val;
- int i;
-
- /***********************************************************
- DIP switch connection (according to wa4-cpu.sp.301.pdf, page 3):
- SW1 - AIN4
- SW2 - AIN5
- SW3 - AIN6
- SW4 - AIN7
-
- "On" DIP switch position short-circuits the voltage from
- the input channel (i.e. '0' conversion result means "on").
- *************************************************************/
-
- for (i = 7; i > 3; i--) {
-
- if ((adc_val = adc_read (i)) == -1) {
- printf ("Channel %d could not be read\n", i);
- return 1;
- }
-
- /*
- * Input voltage (switch open) is 1.8 V.
- * (Vin_High/VRef)*adc_res = (1,8V/2,5V)*1023) = 736
- * Set trigger at halve that value.
- */
- if (adc_val < 368)
- result |= (1 << (i-4));
- }
-
- /* print result to console */
- print_identifier ();
- for (i = 0; i < 4; i++) {
- if ((result & (1 << i)) == 0)
- printf("0");
- else
- printf("1");
- }
- printf("\n");
-
- return 0;
-}
-
-
-int do_vcc5v (void)
-{
- int result;
-
- /* VCC5V is connected to channel 2 */
-
- if ((result = adc_read (VCC5V)) == -1) {
- printf ("VCC5V could not be read\n");
- return 1;
- }
-
- /*
- * Calculate voltage value. Split in two parts because there is no
- * floating point support. VCC5V is connected over an resistor divider:
- * VCC5V=ADCval*2,5V/1023*(10K+30K)/10K.
- */
- print_identifier ();
- printf ("%d", (result & 0x3FF)* 10 / 1023);
- printf (".%d", ((result & 0x3FF)* 10 % 1023)* 10 / 1023);
- printf ("%d V\n", (((result & 0x3FF) * 10 % 1023 ) * 10 % 1023)
- * 10 / 1024);
-
- return 0;
-}
-
-
-int do_vcc12v (void)
-{
- int result;
-
- if ((result = adc_read (VCC12V)) == -1) {
- printf ("VCC12V could not be read\n");
- return 1;
- }
-
- /*
- * Calculate voltage value. Split in two parts because there is no
- * floating point support. VCC5V is connected over an resistor divider:
- * VCC12V=ADCval*2,5V/1023*(30K+270K)/30K.
- */
- print_identifier ();
- printf ("%d", (result & 0x3FF)* 25 / 1023);
- printf (".%d V\n", ((result & 0x3FF)* 25 % 1023) * 10 / 1023);
-
- return 0;
-}
-
-static int adc_read (unsigned int channel)
-{
- int j = 1000; /* timeout value for wait loop in us */
- int result;
- struct s3c2400_adc *padc;
-
- padc = s3c2400_get_base_adc();
- channel &= 0x7;
-
- padc->adccon &= ~ADC_STDBM; /* select normal mode */
- padc->adccon &= ~(0x7 << 3); /* clear the channel bits */
- padc->adccon |= ((channel << 3) | ADC_ENABLE_START);
-
- while (j--) {
- if ((padc->adccon & ADC_ENABLE_START) == 0)
- break;
- udelay (1);
- }
-
- if (j == 0) {
- printf("%s: ADC timeout\n", __FUNCTION__);
- padc->adccon |= ADC_STDBM; /* select standby mode */
- return -1;
- }
-
- result = padc->adcdat & 0x3FF;
-
- padc->adccon |= ADC_STDBM; /* select standby mode */
-
- debug ("%s: channel %d, result[DIGIT]=%d\n", __FUNCTION__,
- (padc->adccon >> 3) & 0x7, result);
-
- /*
- * Wait for ADC to be ready for next conversion. This delay value was
- * estimated, because the datasheet does not specify a value.
- */
- udelay (1000);
-
- return (result);
-}
-
-
-static void adc_init (void)
-{
- struct s3c2400_adc *padc;
-
- padc = s3c2400_get_base_adc();
-
- padc->adccon &= ~(0xff << 6); /* clear prescaler bits */
- padc->adccon |= ((65 << 6) | ADC_PRSCEN); /* set prescaler */
-
- /*
- * Wait some time to avoid problem with very first call of
- * adc_read(). Without * this delay, sometimes the first read adc
- * value is 0. Perhaps because the * adjustment of prescaler takes
- * some clock cycles?
- */
- udelay (1000);
-
- return;
-}
-
-
-int do_buttons (void)
-{
- int result;
- int i;
-
- result = *CPLD_BUTTONS; /* read CPLD */
- debug ("%s: cpld_taster (32 bit) %#x\n", __FUNCTION__, result);
-
- /* print result to console */
- print_identifier ();
- for (i = 16; i <= 19; i++) {
- if ((result & (1 << i)) == 0)
- printf("0");
- else
- printf("1");
- }
- printf("\n");
- return 0;
-}
-
-
-int do_power_switch (void)
-{
- int result;
-
- struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
-
- /* configure GPE7 as input */
- gpio->pecon &= ~(0x3 << (2 * 7));
-
- /* signal GPE7 from power switch is low active: 0=on , 1=off */
- result = ((gpio->pedat & (1 << 7)) == (1 << 7)) ? 0 : 1;
-
- print_identifier ();
- printf("%d\n", result);
- return 0;
-}
-
-
-int do_fill_level (void)
-{
- int result;
-
- result = *CPLD_FILL_LEVEL; /* read CPLD */
- debug ("%s: cpld_fuellstand (32 bit) %#x\n", __FUNCTION__, result);
-
- /* print result to console */
- print_identifier ();
- if ((result & (1 << 16)) == 0)
- printf("0\n");
- else
- printf("1\n");
- return 0;
-}
-
-
-int do_rotary_switch (void)
-{
- int result;
- /*
- * Please note, that the default values of the direction bits are
- * undefined after reset. So it is a good idea, to make first a dummy
- * call to this function, to clear the direction bits and set so to
- * proper values.
- */
-
- result = *CPLD_ROTARY_SWITCH; /* read CPLD */
- debug ("%s: cpld_inc (32 bit) %#x\n", __FUNCTION__, result);
-
- *CPLD_ROTARY_SWITCH |= (3 << 16); /* clear direction bits in CPLD */
-
- /* print result to console */
- print_identifier ();
- if ((result & (1 << 16)) == (1 << 16))
- printf("R");
- if ((result & (1 << 17)) == (1 << 17))
- printf("L");
- if (((result & (1 << 16)) == 0) && ((result & (1 << 17)) == 0))
- printf("0");
- if ((result & (1 << 18)) == 0)
- printf("0\n");
- else
- printf("1\n");
- return 0;
-}
-
-
-int do_vfd_id (void)
-{
- int i;
- long int pcup_old, pccon_old;
- int vfd_board_id;
- struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
-
- /* try to red vfd board id from the value defined by pull-ups */
-
- pcup_old = gpio->pcup;
- pccon_old = gpio->pccon;
-
- gpio->pcup = (gpio->pcup & 0xFFF0); /* activate GPC0...GPC3 pull-ups */
- gpio->pccon = (gpio->pccon & 0xFFFFFF00); /* configure GPC0...GPC3 as
- * inputs */
- udelay (10); /* allow signals to settle */
- vfd_board_id = (~gpio->pcdat) & 0x000F; /* read GPC0...GPC3 port pins */
-
- gpio->pccon = pccon_old;
- gpio->pcup = pcup_old;
-
- /* print vfd_board_id to console */
- print_identifier ();
- for (i = 0; i < 4; i++) {
- if ((vfd_board_id & (1 << i)) == 0)
- printf("0");
- else
- printf("1");
- }
- printf("\n");
- return 0;
-}
-
-int do_buzzer (char * const *argv)
-{
- int counter;
-
- struct s3c24x0_timers * const timers = s3c24x0_get_base_timers();
- struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
-
- /* set prescaler for timer 2, 3 and 4 */
- timers->tcfg0 &= ~0xFF00;
- timers->tcfg0 |= 0x0F00;
-
- /* set divider for timer 2 */
- timers->tcfg1 &= ~0xF00;
- timers->tcfg1 |= 0x300;
-
- /* set frequency */
- counter = (PCLK / BUZZER_FREQ) >> 9;
- timers->ch[2].tcntb = counter;
- timers->ch[2].tcmpb = counter / 2;
-
- if (strcmp (argv[2], "on") == 0) {
- debug ("%s: frequency: %d\n", __FUNCTION__,
- BUZZER_FREQ);
-
- /* configure pin GPD7 as TOUT2 */
- gpio->pdcon &= ~0xC000;
- gpio->pdcon |= 0x8000;
-
- /* start */
- timers->tcon = (timers->tcon | UPDATE2 | RELOAD2) &
- ~INVERT2;
- timers->tcon = (timers->tcon | START2) & ~UPDATE2;
- return (0);
- }
- else if (strcmp (argv[2], "off") == 0) {
- /* stop */
- timers->tcon &= ~(START2 | RELOAD2);
-
- /* configure GPD7 as output and set to low */
- gpio->pdcon &= ~0xC000;
- gpio->pdcon |= 0x4000;
- gpio->pddat &= ~0x80;
- return (0);
- }
-
- printf ("%s: invalid parameter %s\n", __FUNCTION__, argv[2]);
- return 1;
-}
-
-
-int do_led (char * const *argv)
-{
- struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
-
- /* configure PC14 and PC15 as output */
- gpio->pccon &= ~(0xF << 28);
- gpio->pccon |= (0x5 << 28);
-
- /* configure PD0 and PD4 as output */
- gpio->pdcon &= ~((0x3 << 8) | 0x3);
- gpio->pdcon |= ((0x1 << 8) | 0x1);
-
- switch (simple_strtoul(argv[2], NULL, 10)) {
-
- case 0:
- case 1:
- break;
-
- case 2:
- if (strcmp (argv[3], "on") == 0)
- gpio->pcdat |= (1 << 14);
- else
- gpio->pcdat &= ~(1 << 14);
- return 0;
-
- case 3:
- if (strcmp (argv[3], "on") == 0)
- gpio->pcdat |= (1 << 15);
- else
- gpio->pcdat &= ~(1 << 15);
- return 0;
-
- case 4:
- if (strcmp (argv[3], "on") == 0)
- gpio->pddat |= (1 << 0);
- else
- gpio->pddat &= ~(1 << 0);
- return 0;
-
- case 5:
- if (strcmp (argv[3], "on") == 0)
- gpio->pddat |= (1 << 4);
- else
- gpio->pddat &= ~(1 << 4);
- return 0;
-
- default:
- break;
-
- }
- printf ("%s: invalid parameter %s\n", __FUNCTION__, argv[2]);
- return 1;
-}
-
-
-int do_full_bridge (char * const *argv)
-{
- struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
-
- /* configure PD5 and PD6 as output */
- gpio->pdcon &= ~((0x3 << 5*2) | (0x3 << 6*2));
- gpio->pdcon |= ((0x1 << 5*2) | (0x1 << 6*2));
-
- if (strcmp (argv[2], "+") == 0) {
- gpio->pddat |= (1 << 5);
- gpio->pddat |= (1 << 6);
- return 0;
- }
- else if (strcmp (argv[2], "-") == 0) {
- gpio->pddat &= ~(1 << 5);
- gpio->pddat |= (1 << 6);
- return 0;
- }
- else if (strcmp (argv[2], "off") == 0) {
- gpio->pddat &= ~(1 << 5);
- gpio->pddat &= ~(1 << 6);
- return 0;
- }
- printf ("%s: invalid parameter %s\n", __FUNCTION__, argv[2]);
- return 1;
-}
-
-/* val must be in [0, 4095] */
-static inline unsigned long tsc2000_to_uv (u16 val)
-{
- return ((250000 * val) / 4096) * 10;
-}
-
-
-int do_dac (char * const *argv)
-{
- int brightness;
-
- /* initialize SPI */
- tsc2000_spi_init ();
-
- if (((brightness = simple_strtoul (argv[2], NULL, 10)) < 0) ||
- (brightness > 255)) {
- printf ("%s: invalid parameter %s\n", __FUNCTION__, argv[2]);
- return 1;
- }
- tsc2000_write(TSC2000_REG_DACCTL, 0x0); /* Power up DAC */
- tsc2000_write(TSC2000_REG_DAC, brightness & 0xff);
-
- return 0;
-}
-
-
-int do_v_bat (void)
-{
- unsigned long ret, res;
-
- /* initialize SPI */
- spi_init ();
-
- tsc2000_write(TSC2000_REG_ADC, 0x1836);
-
- /* now wait for data available */
- adc_wait_conversion_done();
-
- ret = tsc2000_read(TSC2000_REG_BAT1);
- res = (tsc2000_to_uv(ret) + 1250) / 2500;
- res += (ERROR_BATTERY * res) / 1000;
-
- print_identifier ();
- printf ("%ld", (res / 100));
- printf (".%ld", ((res % 100) / 10));
- printf ("%ld V\n", (res % 10));
- return 0;
-}
-
-
-int do_pressure (void)
-{
- /* initialize SPI */
- spi_init ();
-
- tsc2000_write(TSC2000_REG_ADC, 0x2436);
-
- /* now wait for data available */
- adc_wait_conversion_done();
-
- print_identifier ();
- printf ("%d\n", tsc2000_read(TSC2000_REG_AUX2));
- return 0;
-}
-
-
-int do_motor_contact (void)
-{
- int result;
-
- result = *CPLD_FILL_LEVEL; /* read CPLD */
- debug ("%s: cpld_fuellstand (32 bit) %#x\n", __FUNCTION__, result);
-
- /* print result to console */
- print_identifier ();
- if ((result & (1 << 17)) == 0)
- printf("0\n");
- else
- printf("1\n");
- return 0;
-}
-
-int do_motor (char * const *argv)
-{
- struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
-
- /* Configure I/O port */
- gpio->pgcon &= ~(0x3 << 0);
- gpio->pgcon |= (0x1 << 0);
-
- if (strcmp (argv[2], "on") == 0) {
- gpio->pgdat &= ~(1 << 0);
- return 0;
- }
- if (strcmp (argv[2], "off") == 0) {
- gpio->pgdat |= (1 << 0);
- return 0;
- }
- printf ("%s: invalid parameter %s\n", __FUNCTION__, argv[2]);
- return 1;
-}
-
-static void print_identifier (void)
-{
- printf ("## FKT: ");
-}
-
-int do_pwm (char * const *argv)
-{
- int counter;
- struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
- struct s3c24x0_timers * const timers = s3c24x0_get_base_timers();
-
- if (strcmp (argv[2], "on") == 0) {
- /* configure pin GPD8 as TOUT3 */
- gpio->pdcon &= ~(0x3 << 8*2);
- gpio->pdcon |= (0x2 << 8*2);
-
- /* set prescaler for timer 2, 3 and 4 */
- timers->tcfg0 &= ~0xFF00;
- timers->tcfg0 |= 0x0F00;
-
- /* set divider for timer 3 */
- timers->tcfg1 &= ~(0xf << 12);
- timers->tcfg1 |= (0x3 << 12);
-
- /* set frequency */
- counter = (PCLK / PWM_FREQ) >> 9;
- timers->ch[3].tcntb = counter;
- timers->ch[3].tcmpb = counter / 2;
-
- /* start timer */
- timers->tcon = (timers->tcon | UPDATE3 | RELOAD3) & ~INVERT3;
- timers->tcon = (timers->tcon | START3) & ~UPDATE3;
- return 0;
- }
- if (strcmp (argv[2], "off") == 0) {
-
- /* stop timer */
- timers->tcon &= ~(START2 | RELOAD2);
-
- /* configure pin GPD8 as output and set to 0 */
- gpio->pdcon &= ~(0x3 << 8*2);
- gpio->pdcon |= (0x1 << 8*2);
- gpio->pddat &= ~(1 << 8);
- return 0;
- }
- printf ("%s: invalid parameter %s\n", __FUNCTION__, argv[2]);
- return 1;
-}
-
-
-int do_thermo (char * const *argv)
-{
- int channel, res;
-
- tsc2000_reg_init ();
-
- if (strcmp (argv[2], "all") == 0) {
- int i;
- for (i=0; i <= 15; i++) {
- res = tsc2000_read_channel(i);
- print_identifier ();
- printf ("c%d: %d\n", i, res);
- }
- return 0;
- }
- channel = simple_strtoul (argv[2], NULL, 10);
- res = tsc2000_read_channel(channel);
- print_identifier ();
- printf ("%d\n", res);
- return 0; /* return OK */
-}
-
-
-int do_touch (char * const *argv)
-{
- int x, y;
-
- if (strcmp (argv[2], "tl") == 0) {
-#ifdef CONFIG_TOUCH_WAIT_PRESSED
- touch_wait_pressed();
-#else
- {
- int i;
- for (i = 0; i < (TOUCH_TIMEOUT * 1000); i++) {
- if (touch_check_pressed ()) {
- break;
- }
- udelay (1000); /* pause 1 ms */
- }
- }
- if (!touch_check_pressed()) {
- print_identifier ();
- printf ("error: touch not pressed\n");
- return 1;
- }
-#endif /* CONFIG_TOUCH_WAIT_PRESSED */
- touch_read_x_y (&x, &y);
-
- print_identifier ();
- printf ("x=%d y=%d\n", x, y);
- return touch_write_clibration_values (CALIB_TL, x, y);
- }
- else if (strcmp (argv[2], "dr") == 0) {
-#ifdef CONFIG_TOUCH_WAIT_PRESSED
- touch_wait_pressed();
-#else
- {
- int i;
- for (i = 0; i < (TOUCH_TIMEOUT * 1000); i++) {
- if (touch_check_pressed ()) {
- break;
- }
- udelay (1000); /* pause 1 ms */
- }
- }
- if (!touch_check_pressed()) {
- print_identifier ();
- printf ("error: touch not pressed\n");
- return 1;
- }
-#endif /* CONFIG_TOUCH_WAIT_PRESSED */
- touch_read_x_y (&x, &y);
-
- print_identifier ();
- printf ("x=%d y=%d\n", x, y);
-
- return touch_write_clibration_values (CALIB_DR, x, y);
- }
- return 1; /* not "tl", nor "dr", so return error */
-}
-
-
-#ifdef CONFIG_TOUCH_WAIT_PRESSED
-static void touch_wait_pressed (void)
-{
- while (!(tsc2000_read(TSC2000_REG_ADC) & TC_PSM));
-}
-
-#else
-static int touch_check_pressed (void)
-{
- return (tsc2000_read(TSC2000_REG_ADC) & TC_PSM);
-}
-#endif /* CONFIG_TOUCH_WAIT_PRESSED */
-
-static int touch_write_clibration_values (int calib_point, int x, int y)
-{
-#if defined(CONFIG_CMD_I2C)
- int x_verify = 0;
- int y_verify = 0;
-
- tsc2000_reg_init ();
-
- if (calib_point == CALIB_TL) {
- if (i2c_write_multiple (I2C_EEPROM_DEV_ADDR, TOUCH_X0, 1,
- (unsigned char *)&x, 2)) {
- return 1;
- }
- if (i2c_write_multiple (I2C_EEPROM_DEV_ADDR, TOUCH_Y0, 1,
- (unsigned char *)&y, 2)) {
- return 1;
- }
-
- /* verify written values */
- if (i2c_read_multiple (I2C_EEPROM_DEV_ADDR, TOUCH_X0, 1,
- (unsigned char *)&x_verify, 2)) {
- return 1;
- }
- if (i2c_read_multiple (I2C_EEPROM_DEV_ADDR, TOUCH_Y0, 1,
- (unsigned char *)&y_verify, 2)) {
- return 1;
- }
- if ((y != y_verify) || (x != x_verify)) {
- print_identifier ();
- printf ("error: verify error\n");
- return 1;
- }
- return 0; /* no error */
- }
- else if (calib_point == CALIB_DR) {
- if (i2c_write_multiple (I2C_EEPROM_DEV_ADDR, TOUCH_X1, 1,
- (unsigned char *)&x, 2)) {
- return 1;
- }
- if (i2c_write_multiple (I2C_EEPROM_DEV_ADDR, TOUCH_Y1, 1,
- (unsigned char *)&y, 2)) {
- return 1;
- }
-
- /* verify written values */
- if (i2c_read_multiple (I2C_EEPROM_DEV_ADDR, TOUCH_X1, 1,
- (unsigned char *)&x_verify, 2)) {
- return 1;
- }
- if (i2c_read_multiple (I2C_EEPROM_DEV_ADDR, TOUCH_Y1, 1,
- (unsigned char *)&y_verify, 2)) {
- return 1;
- }
- if ((y != y_verify) || (x != x_verify)) {
- print_identifier ();
- printf ("error: verify error\n");
- return 1;
- }
- return 0;
- }
- return 1;
-#else
- printf ("No I2C support enabled (CONFIG_CMD_I2C), could not write "
- "to EEPROM\n");
- return (1);
-#endif
-}
-
-
-static void touch_read_x_y (int *px, int *py)
-{
- tsc2000_write(TSC2000_REG_ADC, DEFAULT_ADC | TC_AD0 | TC_AD1);
- adc_wait_conversion_done();
- *px = tsc2000_read(TSC2000_REG_X);
-
- tsc2000_write(TSC2000_REG_ADC, DEFAULT_ADC | TC_AD2);
- adc_wait_conversion_done();
- *py = tsc2000_read(TSC2000_REG_Y);
-}
-
-
-int do_rs485 (char * const *argv)
-{
- int timeout;
- char data[RS485_MAX_RECEIVE_BUF_LEN];
-
- if (strcmp (argv[2], "send") == 0) {
- return (rs485_send_line (argv[3]));
- }
- else if (strcmp (argv[2], "receive") == 0) {
- timeout = simple_strtoul(argv[3], NULL, 10);
- if (rs485_receive_chars (data, timeout) != 0) {
- print_identifier ();
- printf ("## nothing received\n");
- return (1);
- }
- else {
- print_identifier ();
- printf ("%s\n", data);
- return (0);
- }
- }
- printf ("%s: unknown command %s\n", __FUNCTION__, argv[2]);
- return (1); /* unknown command, return error */
-}
-
-
-static int rs485_send_line (const char *data)
-{
- rs485_init ();
- trab_rs485_enable_tx ();
- rs485_puts (data);
- rs485_putc ('\n');
-
- return (0);
-}
-
-
-static int rs485_receive_chars (char *data, int timeout)
-{
- int i;
- int receive_count = 0;
-
- rs485_init ();
- trab_rs485_enable_rx ();
-
- /* test every 1 ms for received characters to avoid a receive FIFO
- * overrun (@ 38.400 Baud) */
- for (i = 0; i < (timeout * 1000); i++) {
- while (rs485_tstc ()) {
- if (receive_count >= RS485_MAX_RECEIVE_BUF_LEN-1)
- break;
- *data++ = rs485_getc ();
- receive_count++;
- }
- udelay (1000); /* pause 1 ms */
- }
- *data = '\0'; /* terminate string */
-
- if (receive_count == 0)
- return (1);
- else
- return (0);
-}
-
-
-int do_serial_number (char * const *argv)
-{
-#if defined(CONFIG_CMD_I2C)
- unsigned int serial_number;
-
- if (strcmp (argv[2], "read") == 0) {
- if (i2c_read (I2C_EEPROM_DEV_ADDR, SERIAL_NUMBER, 1,
- (unsigned char *)&serial_number, 4)) {
- printf ("could not read from eeprom\n");
- return (1);
- }
- print_identifier ();
- printf ("%08d\n", serial_number);
- return (0);
- }
- else if (strcmp (argv[2], "write") == 0) {
- serial_number = simple_strtoul(argv[3], NULL, 10);
- if (i2c_write (I2C_EEPROM_DEV_ADDR, SERIAL_NUMBER, 1,
- (unsigned char *)&serial_number, 4)) {
- printf ("could not write to eeprom\n");
- return (1);
- }
- return (0);
- }
- printf ("%s: unknown command %s\n", __FUNCTION__, argv[2]);
- return (1); /* unknown command, return error */
-#else
- printf ("No I2C support enabled (CONFIG_CMD_I2C), could not write "
- "to EEPROM\n");
- return (1);
-#endif
-}
-
-
-int do_crc16 (void)
-{
-#if defined(CONFIG_CMD_I2C)
- int crc;
- unsigned char buf[EEPROM_MAX_CRC_BUF];
-
- if (i2c_read (I2C_EEPROM_DEV_ADDR, 0, 1, buf, 60)) {
- printf ("could not read from eeprom\n");
- return (1);
- }
- crc = 0; /* start value of crc calculation */
- crc = updcrc (crc, buf, 60);
-
- print_identifier ();
- printf ("crc16=%#04x\n", crc);
-
- if (i2c_write (I2C_EEPROM_DEV_ADDR, CRC16, 1, (unsigned char *)&crc,
- sizeof (crc))) {
- printf ("could not read from eeprom\n");
- return (1);
- }
- return (0);
-#else
- printf ("No I2C support enabled (CONFIG_CMD_I2C), could not write "
- "to EEPROM\n");
- return (1);
-#endif
-}
-
-
-/*
- * Calculate, intelligently, the CRC of a dataset incrementally given a
- * buffer full at a time.
- * Initialize crc to 0 for XMODEM, -1 for CCITT.
- *
- * Usage:
- * newcrc = updcrc( oldcrc, bufadr, buflen )
- * unsigned int oldcrc, buflen;
- * char *bufadr;
- *
- * Compile with -DTEST to generate program that prints CRC of stdin to stdout.
- * Compile with -DMAKETAB to print values for crctab to stdout
- */
-
- /* the CRC polynomial. This is used by XMODEM (almost CCITT).
- * If you change P, you must change crctab[]'s initial value to what is
- * printed by initcrctab()
- */
-#define P 0x1021
-
- /* number of bits in CRC: don't change it. */
-#define W 16
-
- /* this the number of bits per char: don't change it. */
-#define B 8
-
-static unsigned short crctab[1<<B] = { /* as calculated by initcrctab() */
- 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
- 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
- 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
- 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
- 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
- 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
- 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
- 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
- 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
- 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
- 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
- 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
- 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
- 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
- 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
- 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
- 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
- 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
- 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
- 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
- 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
- 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
- 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
- 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
- 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
- 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
- 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
- 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
- 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
- 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
- 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
- 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
- };
-
-static unsigned short updcrc(unsigned short icrc, unsigned char *icp,
- unsigned int icnt )
-{
- register unsigned short crc = icrc;
- register unsigned char *cp = icp;
- register unsigned int cnt = icnt;
-
- while (cnt--)
- crc = (crc<<B) ^ crctab[(crc>>(W-B)) ^ *cp++];
-
- return (crc);
-}
-
-
-int do_gain (char * const *argv)
-{
- int range;
-
- range = simple_strtoul (argv[2], NULL, 10);
- if ((range < 1) || (range > 3))
- {
- printf ("%s: invalid parameter %s\n", __FUNCTION__, argv[2]);
- return 1;
- }
-
- tsc2000_set_range (range);
- return (0);
-}
-
-
-int do_eeprom (char * const *argv)
-{
-#if defined(CONFIG_CMD_I2C)
- if (strcmp (argv[2], "read") == 0) {
- return (trab_eeprom_read (argv));
- }
-
- else if (strcmp (argv[2], "write") == 0) {
- return (trab_eeprom_write (argv));
- }
-
- printf ("%s: invalid parameter %s\n", __FUNCTION__, argv[2]);
- return (1);
-#else
- printf ("No I2C support enabled (CONFIG_CMD_I2C), could not write "
- "to EEPROM\n");
- return (1);
-#endif
-}
-
-#if defined(CONFIG_CMD_I2C)
-static int trab_eeprom_read (char * const *argv)
-{
- int i;
- int len;
- unsigned int addr;
- long int value = 0;
- uchar *buffer;
-
- buffer = (uchar *) &value;
- addr = simple_strtoul (argv[3], NULL, 10);
- addr &= 0xfff;
- len = simple_strtoul (argv[4], NULL, 10);
- if ((len < 1) || (len > 4)) {
- printf ("%s: invalid parameter %s\n", __FUNCTION__,
- argv[4]);
- return (1);
- }
- for (i = 0; i < len; i++) {
- if (i2c_read (I2C_EEPROM_DEV_ADDR, addr+i, 1, buffer+i, 1)) {
- printf ("%s: could not read from i2c device %#x"
- ", addr %d\n", __FUNCTION__,
- I2C_EEPROM_DEV_ADDR, addr);
- return (1);
- }
- }
- print_identifier ();
- if (strcmp (argv[5], "-") == 0) {
- if (len == 1)
- printf ("%d\n", (signed char) value);
- else if (len == 2)
- printf ("%d\n", (signed short int) value);
- else
- printf ("%ld\n", value);
- }
- else {
- if (len == 1)
- printf ("%d\n", (unsigned char) value);
- else if (len == 2)
- printf ("%d\n", (unsigned short int) value);
- else
- printf ("%ld\n", (unsigned long int) value);
- }
- return (0);
-}
-
-static int trab_eeprom_write (char * const *argv)
-{
- int i;
- int len;
- unsigned int addr;
- long int value = 0;
- uchar *buffer;
-
- buffer = (uchar *) &value;
- addr = simple_strtoul (argv[3], NULL, 10);
- addr &= 0xfff;
- len = simple_strtoul (argv[4], NULL, 10);
- if ((len < 1) || (len > 4)) {
- printf ("%s: invalid parameter %s\n", __FUNCTION__,
- argv[4]);
- return (1);
- }
- value = simple_strtol (argv[5], NULL, 10);
- debug ("value=%ld\n", value);
- for (i = 0; i < len; i++) {
- if (i2c_write (I2C_EEPROM_DEV_ADDR, addr+i, 1, buffer+i, 1)) {
- printf ("%s: could not write to i2c device %d"
- ", addr %d\n", __FUNCTION__,
- I2C_EEPROM_DEV_ADDR, addr);
- return (1);
- }
-#if 0
- printf ("chip=%#x, addr+i=%#x+%d=%p, alen=%d, *buffer+i="
- "%#x+%d=%p=%#x \n",I2C_EEPROM_DEV_ADDR_DEV_ADDR , addr,
- i, addr+i, 1, buffer, i, buffer+i, *(buffer+i));
-#endif
- udelay (30000); /* wait for EEPROM ready */
- }
- return (0);
-}
-
-int i2c_write_multiple (uchar chip, uint addr, int alen,
- uchar *buffer, int len)
-{
- int i;
-
- if (alen != 1) {
- printf ("%s: addr len other than 1 not supported\n",
- __FUNCTION__);
- return (1);
- }
-
- for (i = 0; i < len; i++) {
- if (i2c_write (chip, addr+i, alen, buffer+i, 1)) {
- printf ("%s: could not write to i2c device %d"
- ", addr %d\n", __FUNCTION__, chip, addr);
- return (1);
- }
-#if 0
- printf ("chip=%#x, addr+i=%#x+%d=%p, alen=%d, *buffer+i="
- "%#x+%d=%p=\"%.1s\"\n", chip, addr, i, addr+i,
- alen, buffer, i, buffer+i, buffer+i);
-#endif
-
- udelay (30000);
- }
- return (0);
-}
-
-int i2c_read_multiple ( uchar chip, uint addr, int alen,
- uchar *buffer, int len)
-{
- int i;
-
- if (alen != 1) {
- printf ("%s: addr len other than 1 not supported\n",
- __FUNCTION__);
- return (1);
- }
-
- for (i = 0; i < len; i++) {
- if (i2c_read (chip, addr+i, alen, buffer+i, 1)) {
- printf ("%s: could not read from i2c device %#x"
- ", addr %d\n", __FUNCTION__, chip, addr);
- return (1);
- }
- }
- return (0);
-}
-#endif