Haozun Sun
/
Accelerometer2_hzsun
I got the structure of the code but did not get every details right
Diff: main.cpp
- Revision:
- 7:884fb008cee8
- Parent:
- 6:d58d982c647a
--- a/main.cpp Thu Mar 05 21:13:16 2020 +0000 +++ b/main.cpp Fri Mar 06 02:13:24 2020 +0000 @@ -1,45 +1,76 @@ #include "mbed.h" #include "MMA8451Q.h" - PinName const SDA = PTE25; - PinName const SCL = PTE24; - EventQueue queue; - Serial pc(USBTX, USBRX); // tx, rx - Thread eventThread ; - DigitalOut rled(LED1, 1); //red led - DigitalOut gled(LED2,1); //green led - DigitalOut bled(LED3,1); //blue led - EventFlags event_flags; - Timer x; +PinName const SDA = PTE25; +PinName const SCL = PTE24; +EventQueue queue; +Serial pc(USBTX, USBRX); // tx, rx + +Thread eventThread ; +DigitalOut rled(LED1); //red led +DigitalOut gled(LED2); //green led +DigitalOut bled(LED3); //blue led + + +EventFlags event_flags; +Timer A1; #define MMA8451_I2C_ADDRESS (0x1d<<1) - enum pos {up, down, left, right, flat, over, intermediate}; - volatile int pos = intermediate; - enum state {first, second, third, success, e}; - volatile int state = first; - volatile uint32_t flags_read = 1; -void seqchecking(){ - switch(state){ +enum pos {up, down, left, right, flat, over, intermediate}; +volatile int pos = intermediate; +enum state {first, second, third, success, e}; +volatile int state = first; +volatile uint32_t flags_read = 1; + +void seqchecking() +{ + switch(state) { case first: flags_read = event_flags.wait_any(up|down|right|left|over|flat|intermediate,10000,true); pc.printf("flag_read:%d\r\n", flags_read); //if(flags_read == -2){rled = 1;} //else{ - if(flags_read == 4){if(flags_read == -2){state = second; x.reset();pc.printf("turn right please");}} - if(flags_read != 4 && x.read() < 10){state = e;} - if((flags_read != 4 && flags_read != 6) && x.read() < 10){state = e;pc.printf("b");} + if(flags_read == 4) { + if(flags_read == -2) { + state = second; + A1.reset(); + pc.printf("turn right please"); + } + } + if(flags_read != 4 && A1.read() < 10) { + state = e; + } + if((flags_read != 4 && flags_read != 6) && A1.read() < 10) { + state = e; + pc.printf("b"); + } //} break; case second: flags_read = event_flags.wait_any(up|down|right|left|over|flat|intermediate,6000,true); - if(flags_read != 3 && x.read() < 2){state = e;} - if(flags_read == 0 && x.read() >= 2){state = second; x.reset();pc.printf("turn upward please");} - if((flags_read != 3 && flags_read != 0)){state = e;} + if(flags_read != 3 && A1.read() < 2) { + state = e; + } + if(flags_read == 0 && A1.read() >= 2) { + state = second; + A1.reset(); + pc.printf("turn upward please"); + } + if((flags_read != 3 && flags_read != 0)) { + state = e; + } break; case third: flags_read = event_flags.wait_any(up|down|right|left|over|flat|intermediate,8000,true); - if(flags_read != 0 && x.read() < 4){state = e;} - if(flags_read == 4 && x.read() >= 4){state = second; x.reset();} - if((flags_read != 4 && flags_read != 0)){state = e;} + if(flags_read != 0 && A1.read() < 4) { + state = e; + } + if(flags_read == 4 && A1.read() >= 4) { + state = second; + A1.reset(); + } + if((flags_read != 4 && flags_read != 0)) { + state = e; + } break; case success: gled = 0; @@ -48,9 +79,9 @@ rled = 0; event_flags.wait_any(flat, osWaitForever, true); state = first; - x.reset(); + A1.reset(); break; - } + } } int main(void) { @@ -110,157 +141,44 @@ event_flags.set(intermediate); } break; - case up: - if(x > 0.9){ //if the board is in position down - pos = down; - pc.printf("Down\n");// print down on pc screen - } - if(y > 0.9){ //if the board is in position left - pos = left; - pc.printf("left\n");// print left on pc screen - } - if(y < -0.9){ //if the board is in position right - pos = right; - pc.printf("right\n");// print right on pc screen - } - if(z > 0.9){ //if the board is in position flat - pos = flat; - pc.printf("Flat\n");// print flat on pc screen - } - if(z < -0.9){ //if the board is in position over - pos = over; - pc.printf("Over\n");// print over on pc screen - } - if(z<0.8 && z>-0.8 && x<0.8 && x>-0.8 && y<0.8 && y>-0.8){ - pos = intermediate; + case flat: + if(z<0.8) { + pos=intermediate; } break; - case down: - if(x < -0.9){ //if the board is in position up - pos = up; - pc.printf("Up\n"); // print up on pc screen - } - if(y > 0.9){ //if the board is in position left - pos = left; - pc.printf("left\n");// print left on pc screen - } - if(y < -0.9){ //if the board is in position right - pos = right; - pc.printf("right\n");// print right on pc screen - } - if(z > 0.9){ //if the board is in position flat - pos = flat; - pc.printf("Flat\n");// print flat on pc screen - } - if(z < -0.9){ //if the board is in position over - pos = over; - pc.printf("Over\n");// print over on pc screen - } - if(z<0.8 && z>-0.8 && x<0.8 && x>-0.8 && y<0.8 && y>-0.8){ - pos = intermediate; + + case over: + if(z>-0.8) { + pos=intermediate; } break; + case left: - if(x > 0.9){ //if the board is in position down - pos = down; - pc.printf("Down\n"); // print up on pc screen - } - if(x < -0.9){ //if the board is in position up - pos = up; - pc.printf("Up\n");// print down on pc screen - } - if(y < -0.9){ //if the board is in position right - pos = right; - pc.printf("right\n");// print right on pc screen - } - if(z > 0.9){ //if the board is in position flat - pos = flat; - pc.printf("Flat\n");// print flat on pc screen - } - if(z < -0.9){ //if the board is in position over - pos = over; - pc.printf("Over\n");// print over on pc screen - } - if(z<0.8 && z>-0.8 && x<0.8 && x>-0.8 && y<0.8 && y>-0.8){ - pos = intermediate; + if(y>-0.8) { + pos=intermediate; } break; + case right: - if(x > 0.9){ //if the board is in position down - pos = down; - pc.printf("Down\n"); // print up on pc screen - } - if(x < -0.9){ //if the board is in position up - pos = up; - pc.printf("Up\n");// print down on pc screen - } - if(y > 0.9){ //if the board is in position left - pos = left; - pc.printf("left\n");// print left on pc screen - } - if(z > 0.9){ //if the board is in position flat - pos = flat; - pc.printf("Flat\n");// print flat on pc screen - } - if(z < -0.9){ //if the board is in position over - pos = over; - pc.printf("Over\n");// print over on pc screen - } - if(z<0.8 && z>-0.8 && x<0.8 && x>-0.8 && y<0.8 && y>-0.8){ - pos = intermediate; + if(y<0.8) { + pos=intermediate; } break; - case flat: - if(x > 0.9){ //if the board is in position down - pos = down; - pc.printf("Down\n"); // print up on pc screen - } - if(x < -0.9){ //if the board is in position up - pos = up; - pc.printf("Up\n");// print down on pc screen - } - if(y > 0.9){ //if the board is in position left - pos = left; - pc.printf("left\n");// print left on pc screen - } - if(y < -0.9){ //if the board is in position right - pos = right; - pc.printf("right\n");// print right on pc screen - } - if(z < -0.9){ //if the board is in position over - pos = over; - pc.printf("Over\n");// print over on pc screen - } - if(z<0.8 && z>-0.8 && x<0.8 && x>-0.8 && y<0.8 && y>-0.8){ - pos = intermediate; + + case up: + if(x<0.8) { + pos=intermediate; } break; - case over: - if(x > 0.9){ //if the board is in position down - pos = down; - pc.printf("Down\n"); // print up on pc screen - } - if(x < -0.9){ //if the board is in position up - pos = up; - pc.printf("Up\n");// print down on pc screen - } - if(y > 0.9){ //if the board is in position left - pos = left; - pc.printf("left\n");// print left on pc screen - } - if(y < -0.9){ //if the board is in position right - pos = right; - pc.printf("right\n");// print right on pc screen - } - if(z > 0.9){ //if the board is in position flat - pos = flat; - pc.printf("Flat\n");// print flat on pc screen - } - if(z<0.8 && z>-0.8 && x<0.8 && x>-0.8 && y<0.8 && y>-0.8){ - pos = intermediate; + + case down: + if(x>-0.8) { + pos=intermediate; } break; } + + } } }