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demo sample to drive PCU9955 and PCA9629
Dependencies: mbed I2C_slaves PCU9669 parallel_bus
Fork of mini_board_PCU9669 by
What is this?
This is a sample code to operate PCU9955 (16ch constant-current LED controller) and PCA9629 (intelligent stepper motor controller) through PCU9669 (3 channels (UltraFast mode * 2ch, FastModePlus *1ch) I2C bus controller).
This demo is written based on mini_board_PCU9669 sample code library and its API.
http://mbed.org/users/nxp_ip/code/mini_board_PCU9669/
Demo will shows how the LED controllers and stepper motor controllers works.
It uses a mini_board_PCU9669 board with mbed, 8 of PCU9955s and 5 PCA9629s.
Demo setup
(left-top: PCU9955 boards, left-bottom: mini-board PCU9669 with mbed, right: PCA9629 x5 board)
Board connections and device addresses
Reference:
User manual of PCU9669 demo board: Mini board PCU9669
http://www.nxp.com/documents/user_manual/UM10580.pdf
sample code : mbed programs
Import programmini_board_PCU9669
mini board PCU9669 (and PCA9665) sample code
Import programPCA9955_Hello
PCA9955 16 channel current drive(sink) LED driver sample code
Import programPCA9955_simple
very simple sample code for PCA9955 (16 channel current control LED driver)
Import programPCA9629_Hello
Sample code for PCA9629 operation
device infomation
PCU9669 (Parallel bus to 1 channel Fm+ and 2 channel UFm I2C-bus controller)
PCU9955 (16-channel UFm I²C-bus 57 mA constant current LED driver)
PCA9955 (16-channel Fm+ I²C-bus 57 mA constant current LED driver)
PCU9629 (Fm+ I2C-bus stepper motor controller)
Diff: main_PCU9669.c
- Revision:
- 20:a266fa588bd8
- Parent:
- 17:20837a1676d4
--- a/main_PCU9669.c Tue Aug 28 00:59:16 2012 +0000 +++ b/main_PCU9669.c Fri Oct 26 05:59:55 2012 +0000 @@ -1,153 +1,107 @@ -/** A sample code for "mini board PCU9669/PCA9665" +/** A demo code for PCU9669, PCU9955 and PCA9629 * - * @author Akifumi (Tedd) OKANO, NXP Semiconductors + * @author Tedd OKANO, NXP Semiconductors * @version 1.0 - * @date 26-Mar-2012 - * + * @date 26-Oct-2012 + * * Released under the MIT License: http://mbed.org/license/mit * - * An operation sample of PCU9669/PCA9665 I2C bus controller. - * The mbed accesses the bus controller's parallel port (8/2 bit address and 8 bit data) by bit-banging. + * An operation sample of PCU9669 I2C bus controller. + * The mbed accesses the PCU9669's parallel port (8 bit address and 8 bit data) using bit-banging. * The bit-banging is poerformed by PortInOut function of mbed library. * - * To make the code porting easier, all codes are partitioned into layers to abstract other parts. - * The mbed specific parts are concentrated in lowest layer: "hardware_abs.*". - * This module may need to be modified for the porting. - * - * All other upper layers are writen in standard-C. + * DEMO CODE version + * v0.5 written on 13-Oct-2011 + * v1.0 poerted to PCU9669 sample code API * - * base code is written from 05-Sep-2011 to 09-Sep-2011. - * And demo code has been build on 11-Sep-2011. - * Debug and code adjustment has been done on 08-Sep-2011. - * Small sanitization for main.cpp. All mbed related codes are moved in to "hardware_abs.*". 13-Oct-2011 - * hardware_abs are moved into parallel_bus library folder, 3 LED driver operation sample 13-Feb.-2012 - * PCU9669 and PCA9665 codes are packed in a project 14-Feb-2012. - * - * Before builidng the code, please edit the file mini_board_PCU9669/config.h - * Un-comment the target name what you want to target. - */ - -/** @note Application layer module of PCU9669 - * - * This code is made to explain basic PCU9669 operation. - * And also, it demonstrates 3 channels of I2C operation with several slaves on those buses. - * - * The ch0 is an Fm+ bus that has a PCA9955 as slave device - * The ch1 and ch2 are UFm buses. Each bus has a PCU9955 as slave devices. + * Simple code sample for PCU9669 is available on + * http://mbed.org/users/nxp_ip/code/mini_board_PCU9669/ */ -#include "config.h" + +#include "transfer_manager.h" +#include "PCU9669_access.h" #include "hardware_abs.h" -#include "transfer_manager.h" // abstracting the access of PCU9669 internal buffer -#include "PCU9669_access.h" // PCU9669 chip access interface -#include "PCx9955_reg.h" // slave specific definitions +#include "PCx9955_reg.h" #include "PCA9629_reg.h" -#include "utility.h" // -//#include "mbed.h" // this header is required only when printf() is used. - -#if defined( CODE_FOR_PCU9669 ) || defined( CODE_FOR_PCA9663 ) - -#ifdef CODE_FOR_PCU9669 -#define TARGET_CHIP_ID PCU9669_ID -#endif - -#ifdef CODE_FOR_PCA9663 -#define TARGET_CHIP_ID PCA9663_ID -#endif +#include "demo_patterns.h" -#define RESET_PULSE_WIDTH_US 10 // Minimum pulse width is 4us for PCU9669 -#define RESET_RECOVERY_US 1000 +#include "mbed.h" -/** - * register settings for PCx9955 - */ +#define TICKER_INTERVAL 0.008 -char PCx9955_reg_data[] = { - 0x80, // Strat register address with AutoIncrement bit - 0x00, 0x05, // MODE1, MODE2 - 0xAA, 0xAA, 0xAA, 0xAA, // LEDOUT[3:0] - 0x80, 0x00, // GRPPWM, GRPFREQ - PWM_INIT, PWM_INIT, PWM_INIT, PWM_INIT, // PWM[3:0] - PWM_INIT, PWM_INIT, PWM_INIT, PWM_INIT, // PWM[7:4] - PWM_INIT, PWM_INIT, PWM_INIT, PWM_INIT, // PWM[11:8] - PWM_INIT, PWM_INIT, PWM_INIT, PWM_INIT, // PWM[15:12] - IREF_INIT, IREF_INIT, IREF_INIT, IREF_INIT, // IREF[3:0] - IREF_INIT, IREF_INIT, IREF_INIT, IREF_INIT, // IREF[7:4] - IREF_INIT, IREF_INIT, IREF_INIT, IREF_INIT, // IREF[11:8] - IREF_INIT, IREF_INIT, IREF_INIT, IREF_INIT, // IREF[15:12] - 0x08 // OFFSET: 1uS offsets -}; +#define RESET_PULSE_WIDTH_US 10 // Minimum pulse width is 4us for PCU9669 +#define RESET_RECOVERY_US 1000 + +Ticker op; -char PCx9955_reg_read_start_address = 0x80; - -char read_buffer[ 41 ]; - -transaction ufm_transactions[] = { - { PCx9955_ADDR0, PCx9955_reg_data, sizeof( PCx9955_reg_data ) } -}; - -transaction fm_plus_transactions[] = { - { PCx9955_ADDR0, PCx9955_reg_data, sizeof( PCx9955_reg_data ) }, - { PCx9955_ADDR0, &PCx9955_reg_read_start_address, 1 }, - { PCx9955_ADDR0 | 0x01, read_buffer, sizeof( read_buffer ) } -}; - -char read_done = 0; - +void operation( void ); +void led_action( int count ); +void motor_action( int count ); void interrupt_handler( void ); +void init_slave_devices( void ); +void single_byte_write_into_a_PCA9629( char ch, char i2c_addr, char reg_addr, char val ); +void set_one_turn_on_each_end( void ); int main() { - char clear[ 16 ] = { 0 }; - int count = 0; - int i; - int j; - -// printf( "\r\nPCU9669 simple demo program on mbed\r\n build : %s (UTC), %s \r\n\r\n", __TIME__, __DATE__ ); + printf( "\r\nPCU9669 simple demo program on mbed (16 device check)\r\n build : %s (UTC), %s \r\n\r\n", __TIME__, __DATE__ ); hardware_initialize(); // initializing bit-banging parallel port reset( RESET_PULSE_WIDTH_US, RESET_RECOVERY_US ); // assert hardware /RESET sgnal - if ( start_bus_controller( TARGET_CHIP_ID ) ) // wait the bus controller ready and check chip ID + if ( start_bus_controller( PCU9669_ID ) ) // wait the bus controller ready and check chip ID return 1; write_ch_register( CH_FM_PLUS, INTMSK, 0x30 ); // set bus controller to ignore NAK return from Fm+ slaves install_ISR( &interrupt_handler ); // interrupt service routine install - setup_transfer( CH_FM_PLUS, fm_plus_transactions, sizeof( fm_plus_transactions ) / sizeof( transaction ) ); - setup_transfer( CH_UFM1, ufm_transactions, sizeof( ufm_transactions ) / sizeof( transaction ) ); - setup_transfer( CH_UFM2, ufm_transactions, sizeof( ufm_transactions ) / sizeof( transaction ) ); + init_slave_devices(); // set all slaves' all registers and configure buffer for the operation + + op.attach( &operation, TICKER_INTERVAL ); while ( 1 ) { - for ( i = 0; i < 16; i++ ) { - for ( j = 0; j < 256; j += 4 ) { - buffer_overwrite( CH_FM_PLUS, 0, 9 + i, (char *)&j, 1 ); - buffer_overwrite( CH_UFM1, 0, 9 + i, (char *)&j, 1 ); - buffer_overwrite( CH_UFM2, 0, 9 + i, (char *)&j, 1 ); + } +} + +void operation( void ) { + pattern_update( gCount ); - read_done = 0; - - set_n_of_transaction( CH_FM_PLUS, (sizeof( fm_plus_transactions ) / sizeof( transaction )) - ((count % 256) ? 1 : 0) ); + motor_action( gCount ); // motor operation + led_action( gCount ); // LED operation - start( CH_FM_PLUS ); - start( CH_UFM1 ); - start( CH_UFM2 ); + gCount++; +} + - wait_sec( 0.01 ); - count++; +void led_action( int count ) { + buffer_overwrite( CH_UFM1, 0, 1, gLEDs + N_LED_PER_BOARD * 0, N_LED_PER_BOARD ); + buffer_overwrite( CH_UFM1, 1, 1, gLEDs + N_LED_PER_BOARD * 1, N_LED_PER_BOARD ); + buffer_overwrite( CH_UFM1, 2, 1, gLEDs + N_LED_PER_BOARD * 2, N_LED_PER_BOARD ); + buffer_overwrite( CH_UFM1, 3, 1, gLEDs + N_LED_PER_BOARD * 3, N_LED_PER_BOARD ); + buffer_overwrite( CH_UFM2, 0, 1, gLEDs + N_LED_PER_BOARD * 4, N_LED_PER_BOARD ); + buffer_overwrite( CH_UFM2, 1, 1, gLEDs + N_LED_PER_BOARD * 5, N_LED_PER_BOARD ); + buffer_overwrite( CH_UFM2, 2, 1, gLEDs + N_LED_PER_BOARD * 6, N_LED_PER_BOARD ); + buffer_overwrite( CH_UFM2, 3, 1, gLEDs + N_LED_PER_BOARD * 7, N_LED_PER_BOARD ); + + start( CH_UFM1 ); + start( CH_UFM2 ); +} + + +void motor_action( int count ) { #if 0 - if ( read_done ) { - buffer_read( CH_FM_PLUS, 2, 0, read_buffer, sizeof( read_buffer ) ); - dump_read_data( read_buffer, sizeof( read_buffer ) ); - read_done = 0; - } + static char mot_cntl_order[ 5 ] = { + MOT_ADDR5, MOT_ADDR6, MOT_ADDR7, MOT_ADDR8, MOT_ADDR9 + }; + static char motor_count = 0; + + if ( !(count & 0x1F) ) { + single_byte_write_into_a_PCA9629( CH_FM_PLUS, mot_cntl_order[ motor_count % 5 ], 0x26, 0x80 | ((motor_count / 5) & 0x1) ); + motor_count++; + } #endif - } - } - buffer_overwrite( CH_FM_PLUS, 0, 9, clear, 16 ); - buffer_overwrite( CH_UFM1, 0, 9, clear, 16 ); - buffer_overwrite( CH_UFM2, 0, 9, clear, 16 ); - } + } void interrupt_handler( void ) { @@ -158,9 +112,6 @@ if ( global_status & 0x01 ) { // ch0 channel_status = read_ch_register( 0, CHSTATUS ); - - if ( channel_status & 0x80 ) - read_done = 1; } if ( global_status & 0x02 ) { channel_status = read_ch_register( 1, CHSTATUS ); @@ -170,11 +121,3 @@ } // printf( "ISR channel_status 0x%02X\r\n", channel_status ); } - -#endif // CODE_FOR_PCU9669 - - - - - -