![](/media/cache/profiles/a53d1388191884b75c48bebb18709bfb.50x50_q85.jpg)
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:
- 4:c50d5596cb47
- Parent:
- 2:401c24301f60
- Child:
- 5:57c345099873
--- a/main_PCU9669.c Wed Mar 21 05:44:39 2012 +0000 +++ b/main_PCU9669.c Wed Mar 21 05:47:54 2012 +0000 @@ -76,17 +76,6 @@ 0x08 // OFFSET: 1uS offsets }; -char PCx9629_reg_data[] = { // This sample data performs ramp-up/down with rotation=2 in 1 second - 0x80, // Strat register address with AutoIncrement bit - 0x20, 0xE2, 0xE4, 0xE6, 0xE0, 0xFF, 0x10, // for registers MODE - WDCNTL (0x00 - 0x06 - 0x00, 0x00, // for registers IP and INTSTAT (0x07, 0x08) - 0x0F, 0x03, 0x0C, 0x0F, 0x03, 0x00, 0x03, 0x03, 0x01, // for registers OP - INT_AUTO_CLR (0x09 - 0x11) - 0x03, 0x00, 0x30, 0x00, 0x1D, 0x07, 0x1D, 0x07, // for registers SETMODE - CCWPWH (0x12 - 0x19) - 0x2F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // for registers CWSCOUNTL - CCWRCOUNTH (0x1A - 0x21) - 0x08, 0x08, // for registers EXTRASTEPS0 and EXTRASTEPS1 (0x22, 0x23) - 0x38, 0x00, 0x80 // for registers RMPCNTL - MCNTL (0x24 - 0x26) -}; - char PCx9955_reg_read_start_address = 0x80; @@ -100,7 +89,6 @@ { 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 ) } -// { 0x4A, PCx9629_reg_data, sizeof( PCx9629_reg_data ) } }; char read_done = 0;