Test mbed1.
main.cpp@0:7ac9830cbaa5, 2014-03-12 (annotated)
- Committer:
- mja054
- Date:
- Wed Mar 12 06:32:33 2014 +0000
- Revision:
- 0:7ac9830cbaa5
- Child:
- 1:1019095e41c4
Test mbed1
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mja054 | 0:7ac9830cbaa5 | 1 | #include "mbed.h" |
mja054 | 0:7ac9830cbaa5 | 2 | #include <math.h> |
mja054 | 0:7ac9830cbaa5 | 3 | #include "InterruptManager.h" |
mja054 | 0:7ac9830cbaa5 | 4 | #include "TPM_init.h" |
mja054 | 0:7ac9830cbaa5 | 5 | |
mja054 | 0:7ac9830cbaa5 | 6 | #define BAUD_RATE 921600 |
mja054 | 0:7ac9830cbaa5 | 7 | |
mja054 | 0:7ac9830cbaa5 | 8 | #define NVIC_ISER 0xE000E100 |
mja054 | 0:7ac9830cbaa5 | 9 | #define NVIC_ISPR 0xE000E200 |
mja054 | 0:7ac9830cbaa5 | 10 | |
mja054 | 0:7ac9830cbaa5 | 11 | #define SIM_SOPT2_ADDRESS 0x40048004 |
mja054 | 0:7ac9830cbaa5 | 12 | #define SIM_SCGC6_ADDRESS 0x4004803C |
mja054 | 0:7ac9830cbaa5 | 13 | |
mja054 | 0:7ac9830cbaa5 | 14 | |
mja054 | 0:7ac9830cbaa5 | 15 | DigitalOut out(PTD3); |
mja054 | 0:7ac9830cbaa5 | 16 | DigitalOut green(LED1); |
mja054 | 0:7ac9830cbaa5 | 17 | Serial pc(USBTX, USBRX); |
mja054 | 0:7ac9830cbaa5 | 18 | Timer timer; |
mja054 | 0:7ac9830cbaa5 | 19 | |
mja054 | 0:7ac9830cbaa5 | 20 | unsigned int flag; |
mja054 | 0:7ac9830cbaa5 | 21 | unsigned int modulo_val = 48000; |
mja054 | 0:7ac9830cbaa5 | 22 | unsigned int prescale_val = 0; |
mja054 | 0:7ac9830cbaa5 | 23 | |
mja054 | 0:7ac9830cbaa5 | 24 | void TPM0_handler_test(); |
mja054 | 0:7ac9830cbaa5 | 25 | |
mja054 | 0:7ac9830cbaa5 | 26 | void init_test() |
mja054 | 0:7ac9830cbaa5 | 27 | { |
mja054 | 0:7ac9830cbaa5 | 28 | NVIC_SetVector(TPM0_IRQn, (uint32_t) TPM0_handler_test); |
mja054 | 0:7ac9830cbaa5 | 29 | NVIC_SetPriority(TPM0_IRQn, 0); |
mja054 | 0:7ac9830cbaa5 | 30 | |
mja054 | 0:7ac9830cbaa5 | 31 | TPM0_init(modulo_val, prescale_val); |
mja054 | 0:7ac9830cbaa5 | 32 | |
mja054 | 0:7ac9830cbaa5 | 33 | NVIC_EnableIRQ(TPM0_IRQn); |
mja054 | 0:7ac9830cbaa5 | 34 | |
mja054 | 0:7ac9830cbaa5 | 35 | wait(5); |
mja054 | 0:7ac9830cbaa5 | 36 | TPM0_start(); |
mja054 | 0:7ac9830cbaa5 | 37 | } |
mja054 | 0:7ac9830cbaa5 | 38 | |
mja054 | 0:7ac9830cbaa5 | 39 | void TPM0_handler_test() { |
mja054 | 0:7ac9830cbaa5 | 40 | unsigned int overflow = TPM0_SC_read() & 0x000000C0; |
mja054 | 0:7ac9830cbaa5 | 41 | if(overflow == 0xC0) { |
mja054 | 0:7ac9830cbaa5 | 42 | TPM0_clear_overflow(); |
mja054 | 0:7ac9830cbaa5 | 43 | NVIC_ClearPendingIRQ(TPM0_IRQn); |
mja054 | 0:7ac9830cbaa5 | 44 | flag++; |
mja054 | 0:7ac9830cbaa5 | 45 | out = !out; |
mja054 | 0:7ac9830cbaa5 | 46 | // green = !green; |
mja054 | 0:7ac9830cbaa5 | 47 | } |
mja054 | 0:7ac9830cbaa5 | 48 | } |
mja054 | 0:7ac9830cbaa5 | 49 | |
mja054 | 0:7ac9830cbaa5 | 50 | int main() { |
mja054 | 0:7ac9830cbaa5 | 51 | flag = 0; |
mja054 | 0:7ac9830cbaa5 | 52 | pc.baud(BAUD_RATE); |
mja054 | 0:7ac9830cbaa5 | 53 | |
mja054 | 0:7ac9830cbaa5 | 54 | init_test(); |
mja054 | 0:7ac9830cbaa5 | 55 | |
mja054 | 0:7ac9830cbaa5 | 56 | while(1) { |
mja054 | 0:7ac9830cbaa5 | 57 | if (flag == 1000) { |
mja054 | 0:7ac9830cbaa5 | 58 | green = !green; |
mja054 | 0:7ac9830cbaa5 | 59 | flag = 0; |
mja054 | 0:7ac9830cbaa5 | 60 | } |
mja054 | 0:7ac9830cbaa5 | 61 | } |
mja054 | 0:7ac9830cbaa5 | 62 | /* |
mja054 | 0:7ac9830cbaa5 | 63 | while(1) { |
mja054 | 0:7ac9830cbaa5 | 64 | green = !green; |
mja054 | 0:7ac9830cbaa5 | 65 | out = !out; |
mja054 | 0:7ac9830cbaa5 | 66 | wait(0.5); |
mja054 | 0:7ac9830cbaa5 | 67 | out = !out; |
mja054 | 0:7ac9830cbaa5 | 68 | wait(0.5); |
mja054 | 0:7ac9830cbaa5 | 69 | } |
mja054 | 0:7ac9830cbaa5 | 70 | */ |
mja054 | 0:7ac9830cbaa5 | 71 | } |