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How to use the Adafruit Motor Shield on STM32 NUCLEO 74HC595 + L293D + STM32
main.cpp@1:0de89eebb160, 2017-12-27 (annotated)
- Committer:
- emcu
- Date:
- Wed Dec 27 19:47:22 2017 +0000
- Revision:
- 1:0de89eebb160
- Parent:
- 0:44fb10b45c97
- Child:
- 2:ae247a2441e1
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User | Revision | Line number | New contents of line |
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emcu | 0:44fb10b45c97 | 1 | /* |
emcu | 0:44fb10b45c97 | 2 | |
emcu | 0:44fb10b45c97 | 3 | By: www.emcu.eu |
emcu | 1:0de89eebb160 | 4 | Date: December 2017 |
emcu | 0:44fb10b45c97 | 5 | Simple test for: How to use the Adafruit Motor Shield on STM32 NUCLEO |
emcu | 0:44fb10b45c97 | 6 | the explanations are here: |
emcu | 0:44fb10b45c97 | 7 | http://www.emcu.eu/how-to-use-the-adafruit-motor-shield-on-stm32-nucleo/ |
emcu | 0:44fb10b45c97 | 8 | UART Configuration (It is necessary for see the results, we suggest to use TeraTerm on PC) |
emcu | 0:44fb10b45c97 | 9 | Baud Rate: 9600 |
emcu | 0:44fb10b45c97 | 10 | Data Bit: 8 |
emcu | 0:44fb10b45c97 | 11 | Parity: NONE |
emcu | 0:44fb10b45c97 | 12 | Stop Bit: 1 |
emcu | 0:44fb10b45c97 | 13 | Flow Control: NONE |
emcu | 0:44fb10b45c97 | 14 | |
emcu | 0:44fb10b45c97 | 15 | ATTENTION |
emcu | 0:44fb10b45c97 | 16 | THE SOFTWARE AND HARDWARE ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
emcu | 0:44fb10b45c97 | 17 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
emcu | 0:44fb10b45c97 | 18 | FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS |
emcu | 0:44fb10b45c97 | 19 | OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
emcu | 0:44fb10b45c97 | 20 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
emcu | 0:44fb10b45c97 | 21 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
emcu | 0:44fb10b45c97 | 22 | |
emcu | 0:44fb10b45c97 | 23 | */ |
emcu | 0:44fb10b45c97 | 24 | |
emcu | 0:44fb10b45c97 | 25 | |
emcu | 0:44fb10b45c97 | 26 | #include "mbed.h" |
emcu | 0:44fb10b45c97 | 27 | |
emcu | 0:44fb10b45c97 | 28 | Serial pc(USBTX,USBRX); |
emcu | 0:44fb10b45c97 | 29 | DigitalOut LED(LED1); |
emcu | 0:44fb10b45c97 | 30 | |
emcu | 0:44fb10b45c97 | 31 | DigitalOut clockpin(PB_5); // SCHP or SCK - PB_5 |
emcu | 0:44fb10b45c97 | 32 | DigitalOut latchpin(PA_6); // STCP or RCK - PA_6 |
emcu | 0:44fb10b45c97 | 33 | DigitalOut OE(PA_8); // OE or G |
emcu | 0:44fb10b45c97 | 34 | DigitalOut datapin(PA_9); // DS or SER - PA_9 |
emcu | 0:44fb10b45c97 | 35 | |
emcu | 0:44fb10b45c97 | 36 | DigitalIn PULS(USER_BUTTON); |
emcu | 0:44fb10b45c97 | 37 | |
emcu | 0:44fb10b45c97 | 38 | void PressBB(void); |
emcu | 0:44fb10b45c97 | 39 | void WaitSerialChar(void); |
emcu | 0:44fb10b45c97 | 40 | |
emcu | 0:44fb10b45c97 | 41 | int n = 0; |
emcu | 0:44fb10b45c97 | 42 | |
emcu | 0:44fb10b45c97 | 43 | |
emcu | 0:44fb10b45c97 | 44 | int main() { |
emcu | 0:44fb10b45c97 | 45 | |
emcu | 0:44fb10b45c97 | 46 | const int number[10][8]= |
emcu | 0:44fb10b45c97 | 47 | {// Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0 Line |
emcu | 0:44fb10b45c97 | 48 | { 1, 0, 1, 0, 1, 0, 1, 0}, // 0 |
emcu | 0:44fb10b45c97 | 49 | { 0, 1, 0, 1, 0, 1, 0, 1}, // 1 |
emcu | 0:44fb10b45c97 | 50 | { 1, 0, 1, 1, 0, 1, 1, 0}, // 2 |
emcu | 0:44fb10b45c97 | 51 | { 1, 0, 0, 1, 1, 1, 1, 1}, // 3 |
emcu | 0:44fb10b45c97 | 52 | { 1, 1, 0, 0, 1, 1, 0, 0}, // 4 |
emcu | 0:44fb10b45c97 | 53 | { 1, 1, 0, 1, 1, 0, 1, 1}, // 5 |
emcu | 0:44fb10b45c97 | 54 | { 1, 1, 1, 1, 1, 0, 0, 0}, // 6 |
emcu | 0:44fb10b45c97 | 55 | { 0, 0, 0, 0, 1, 1, 1, 1}, // 7 |
emcu | 0:44fb10b45c97 | 56 | { 1, 1, 1, 1, 1, 1, 1, 0}, // 8 |
emcu | 0:44fb10b45c97 | 57 | { 1, 1, 0, 0, 1, 1, 1, 1} // 9 |
emcu | 0:44fb10b45c97 | 58 | }; |
emcu | 0:44fb10b45c97 | 59 | |
emcu | 0:44fb10b45c97 | 60 | pc.printf("\n\r\n\r\n\r The explanations are here:\n\r"); |
emcu | 0:44fb10b45c97 | 61 | pc.printf(" http://www.emcu.eu/how-to-use-the-adafruit-motor-shield-on-stm32-nucleo/ \n\r"); |
emcu | 0:44fb10b45c97 | 62 | while(1) |
emcu | 0:44fb10b45c97 | 63 | { |
emcu | 0:44fb10b45c97 | 64 | OE = 0; |
emcu | 0:44fb10b45c97 | 65 | |
emcu | 0:44fb10b45c97 | 66 | pc.printf("\n\r\n\r START... \n\r\n\r"); |
emcu | 0:44fb10b45c97 | 67 | pc.printf(" 74HC595 \n\r"); |
emcu | 0:44fb10b45c97 | 68 | pc.printf(" _______ \n\r"); |
emcu | 0:44fb10b45c97 | 69 | pc.printf(" Q1 1 |_| 16 VCC \n\r"); |
emcu | 0:44fb10b45c97 | 70 | pc.printf(" Q2 2 15 Q0 \n\r"); |
emcu | 0:44fb10b45c97 | 71 | pc.printf(" Q3 3 14 DS \n\r"); |
emcu | 0:44fb10b45c97 | 72 | pc.printf(" Q4 4 13 /OE \n\r"); |
emcu | 0:44fb10b45c97 | 73 | pc.printf(" Q5 5 12 STCP\n\r"); |
emcu | 0:44fb10b45c97 | 74 | pc.printf(" Q6 6 11 SHCP\n\r"); |
emcu | 0:44fb10b45c97 | 75 | pc.printf(" Q7 7 10 /MR \n\r"); |
emcu | 0:44fb10b45c97 | 76 | pc.printf("GND 8_______ 9 Q7S \n\r\n\r"); |
emcu | 0:44fb10b45c97 | 77 | |
emcu | 0:44fb10b45c97 | 78 | for(int j=0;j<=1;j++) // 9 |
emcu | 0:44fb10b45c97 | 79 | { |
emcu | 0:44fb10b45c97 | 80 | latchpin=0; |
emcu | 0:44fb10b45c97 | 81 | |
emcu | 0:44fb10b45c97 | 82 | pc.printf(" Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0\n\r"); |
emcu | 0:44fb10b45c97 | 83 | for(int i=0;i<=7;i++) |
emcu | 0:44fb10b45c97 | 84 | { |
emcu | 0:44fb10b45c97 | 85 | pc.printf(" %d ", number[j][i]); |
emcu | 0:44fb10b45c97 | 86 | datapin=number[j][i]; |
emcu | 0:44fb10b45c97 | 87 | wait_ms(1); |
emcu | 0:44fb10b45c97 | 88 | clockpin=1; |
emcu | 0:44fb10b45c97 | 89 | wait_ms(1); |
emcu | 0:44fb10b45c97 | 90 | clockpin=0; |
emcu | 0:44fb10b45c97 | 91 | wait_ms(1); |
emcu | 0:44fb10b45c97 | 92 | } |
emcu | 0:44fb10b45c97 | 93 | |
emcu | 0:44fb10b45c97 | 94 | latchpin=1; |
emcu | 0:44fb10b45c97 | 95 | wait_ms(5); |
emcu | 0:44fb10b45c97 | 96 | latchpin=0; |
emcu | 0:44fb10b45c97 | 97 | wait_ms(1); |
emcu | 0:44fb10b45c97 | 98 | OE = 1; |
emcu | 0:44fb10b45c97 | 99 | wait_ms(1); |
emcu | 0:44fb10b45c97 | 100 | OE = 0; |
emcu | 0:44fb10b45c97 | 101 | wait_ms(1); |
emcu | 0:44fb10b45c97 | 102 | |
emcu | 0:44fb10b45c97 | 103 | WaitSerialChar(); |
emcu | 0:44fb10b45c97 | 104 | pc.printf(" \n\r"); |
emcu | 0:44fb10b45c97 | 105 | |
emcu | 0:44fb10b45c97 | 106 | } |
emcu | 0:44fb10b45c97 | 107 | pc.printf(" END.... \n\r"); |
emcu | 0:44fb10b45c97 | 108 | WaitSerialChar(); |
emcu | 0:44fb10b45c97 | 109 | |
emcu | 0:44fb10b45c97 | 110 | } |
emcu | 0:44fb10b45c97 | 111 | } |
emcu | 0:44fb10b45c97 | 112 | |
emcu | 0:44fb10b45c97 | 113 | |
emcu | 0:44fb10b45c97 | 114 | void WaitSerialChar(void) |
emcu | 0:44fb10b45c97 | 115 | { |
emcu | 0:44fb10b45c97 | 116 | pc.printf(" Press a key on PC to continue\n\r"); |
emcu | 0:44fb10b45c97 | 117 | while (pc.readable() != 1); |
emcu | 0:44fb10b45c97 | 118 | pc.getc(); |
emcu | 0:44fb10b45c97 | 119 | } |
emcu | 0:44fb10b45c97 | 120 | |
emcu | 0:44fb10b45c97 | 121 | |
emcu | 0:44fb10b45c97 | 122 | void PressBB(void) |
emcu | 0:44fb10b45c97 | 123 | { |
emcu | 0:44fb10b45c97 | 124 | pc.printf("Press Blue Button on PC to continue\n\r"); |
emcu | 0:44fb10b45c97 | 125 | while (PULS != 0) // Button not pressed |
emcu | 0:44fb10b45c97 | 126 | { |
emcu | 0:44fb10b45c97 | 127 | LED = !LED; |
emcu | 0:44fb10b45c97 | 128 | wait(0.1); |
emcu | 0:44fb10b45c97 | 129 | } |
emcu | 0:44fb10b45c97 | 130 | } |