MSP430, CCS, ADC, rotation_sensor

MSP430, CCS, ADC, rotation_sensor

※ msp430.h 를 사용하는 소스입니다.

1. use adc3
- P1.3
2. msp430fr6989 development kit backchannel (uart)
- use USCI_A1
- P3.5 : UCA1RXD
- P3.4 : UCA1TXD
- BaudRate : 115200

Did you have a look at the example codes for the MCU that is provided by TI for almost every processor?

www.ti.com/lit/zip/slac536

The following examples show how to set up the clocks:

msp430fr59xx_cs_01.c       Configure MCLK for 8MHz operation
msp430fr59xx_cs_02.c       Configure MCLK for 16MHz operation
msp430fr59xx_cs_03.c       Output 32768Hz crystal on XT1 and observe failsafe
msp430fr59xx_cs_04.c       ACLK = XT1 = 32768Hz, SMCLK= XT2 = 8MHz, MCLK = DCO
msp430fr59xx_cs_05.c       Using LFXT in bypass mode, failsafe operation shown

0. 참고 사항

• C:\ti\msp\MSP430Ware_3_80_04_05\examples\devices\MSP430FR5xx_6xx\MSP430FR5x8x_MSP430FR692x_MSP430FR6x7x_MSP430FR6x8x_Code_Examples\C
  
• http://e2e.ti.com/support/microcontrollers/msp430/f/166/p/368560/1297094
• https://github.com/achopra6/MSP430FR6989/blob/master/timer.c
• http://www.ti.com/lit/ds/symlink/msp430fr6989.pdf
• http://www.ti.com/lit/ug/slau367o/slau367o.pdf

출처: http://coyoteugly.tistory.com/188 [마이콤 개발자를 위한 여행]

0. 참고 사항

• [MSP430Ware] / msp430fr69xx_adc12_01.c
  
• [MSP430Ware] / www.ti.com/lit/zip/slac536
  
• [MSP430FR6989 LaunchPad™ Development Kit] / http://www.ti.com/lit/ug/slau627a/slau627a.pdf
  
• [MSP430FR6989 DataSheet] / http://www.ti.com/lit/ds/symlink/msp430fr6989.pdf
• [MSP430FR6xx User's Guide] / http://www.ti.com/lit/ug/slau367o/slau367o.pdf

1. HW 연결

2. 소스 설명

full 소스는 아래 github를 통해 확인하세요.

P1SEL1 |= BIT3;                         // Configure P1.3 for ADC     P1SEL0 |= BIT3;     myprintf("\r\n\r\n rotation sensor adc program start\r\n");     // Configure ADC12     ADC12CTL0 = ADC12SHT0_2 | ADC12ON;      // Sampling time, S&H=16, ADC12 on     ADC12CTL1 = ADC12SHP;                   // Use sampling timer     ADC12CTL2 |= ADC12RES_2;                // 12-bit conversion results     ADC12MCTL0 |= ADC12INCH_3;              // A3 ADC input select; Vref=AVCC     ADC12IER0 |= ADC12IE0;                  // Enable ADC conv complete interrupt

3. 소스

• https://github.com/sglee0223/msp430/tree/master/rotation_sensor_adc
  

4. 결과