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Diffstat (limited to 'board/trab/trab_fkt.c')
| -rw-r--r-- | board/trab/trab_fkt.c | 1418 |
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 fe3dab3..0000000 --- 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 |