TEAMUSB / Mbed 2 deprecated TEAMUSB_SLAVE

TEAMUSB_SLAVE

Dependencies:   USBHost mbed

Fork of USBHostKeyboard_HelloWorld by TEAMUSB

main.cpp@9:8bcd70b26084, 2015-04-01 (annotated)

Committer:
armdran
Date:
Wed Apr 01 15:50:28 2015 +0000
Revision:
9:8bcd70b26084
Parent:
8:f8122ca2f58f
Child:
10:54ffd94e075c
added send routine for spi

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 0:88d52e197201 1 #include "mbed.h"
samux 0:88d52e197201 2 #include "USBHostKeyboard.h"
wlangenkamp 7:be82ac3c4821 3 #include "rtos.h"
samux 0:88d52e197201 4
samux 0:88d52e197201 5 DigitalOut led(LED1);
armdran 9:8bcd70b26084 6 SPISlave device(D11, D12, D13, D10);
armdran 9:8bcd70b26084 7 uint8_t keyReg = 0x0;
samux 0:88d52e197201 8
armdran 8:f8122ca2f58f 9 void onKeyMod(uint8_t key, uint8_t modifier) {
armdran 9:8bcd70b26084 10 printf("Key: %x modifier: %x\r\n", key, modifier);
armdran 9:8bcd70b26084 11 keyReg = key;
armdran 8:f8122ca2f58f 12 }
armdran 8:f8122ca2f58f 13
armdran 8:f8122ca2f58f 14
samux 0:88d52e197201 15 void keyboard_task(void const *) {
samux 0:88d52e197201 16
samux 0:88d52e197201 17 USBHostKeyboard keyboard;
samux 0:88d52e197201 18
samux 0:88d52e197201 19 while(1) {
armdran 8:f8122ca2f58f 20
armdran 8:f8122ca2f58f 21 printf("trying to connect\r\n");
armdran 8:f8122ca2f58f 22
samux 0:88d52e197201 23 // try to connect a USB keyboard
armdran 8:f8122ca2f58f 24 while(!keyboard.connect()) {
samux 0:88d52e197201 25 Thread::wait(500);
armdran 8:f8122ca2f58f 26 }
armdran 8:f8122ca2f58f 27
armdran 8:f8122ca2f58f 28 printf("connected\r\n");
armdran 8:f8122ca2f58f 29
samux 0:88d52e197201 30
samux 0:88d52e197201 31 // when connected, attach handler called on keyboard event
armdran 9:8bcd70b26084 32 //keyboard.attach(onKey);
armdran 8:f8122ca2f58f 33 keyboard.attach(onKeyMod);
armdran 8:f8122ca2f58f 34
armdran 8:f8122ca2f58f 35 printf("eventhandler attached\r\n");
samux 0:88d52e197201 36
samux 0:88d52e197201 37 // wait until the keyboard is disconnected
armdran 8:f8122ca2f58f 38 while(keyboard.connected()) {
armdran 8:f8122ca2f58f 39 USBHost::poll();
armdran 8:f8122ca2f58f 40 }
armdran 8:f8122ca2f58f 41
armdran 8:f8122ca2f58f 42 printf("disconnected\r\n");
armdran 8:f8122ca2f58f 43
samux 0:88d52e197201 44 }
samux 0:88d52e197201 45 }
samux 0:88d52e197201 46
samux 0:88d52e197201 47 int main() {
samux 0:88d52e197201 48 Thread keyboardTask(keyboard_task, NULL, osPriorityNormal, 256 * 4);
armdran 9:8bcd70b26084 49 device.frequency(1000000);
armdran 9:8bcd70b26084 50 device.format(8, 1);
armdran 8:f8122ca2f58f 51
armdran 9:8bcd70b26084 52 //while(1) {
armdran 9:8bcd70b26084 53 //Thread::wait(1000);
armdran 9:8bcd70b26084 54 //printf("waiting...\r\n");
armdran 9:8bcd70b26084 55 //}
armdran 9:8bcd70b26084 56
armdran 9:8bcd70b26084 57 int i = 0;
armdran 9:8bcd70b26084 58
samux 0:88d52e197201 59 while(1) {
armdran 9:8bcd70b26084 60
armdran 9:8bcd70b26084 61 //get instruciton
armdran 9:8bcd70b26084 62 device.reply(0x00);
armdran 9:8bcd70b26084 63 while(!device.receive()) {
armdran 9:8bcd70b26084 64 if(i++ % 10000 == 0) {
armdran 9:8bcd70b26084 65 printf(".");
armdran 9:8bcd70b26084 66 }
armdran 9:8bcd70b26084 67 }
armdran 9:8bcd70b26084 68
armdran 9:8bcd70b26084 69 uint8_t instruction = device.read();
armdran 9:8bcd70b26084 70
armdran 9:8bcd70b26084 71 if(instruction != 0xFE) continue;
armdran 9:8bcd70b26084 72
armdran 9:8bcd70b26084 73 device.reply(keyReg);
armdran 9:8bcd70b26084 74
armdran 9:8bcd70b26084 75 while(!device.receive()) {
armdran 9:8bcd70b26084 76 if(i++ % 10000 == 0) {
armdran 9:8bcd70b26084 77 printf(".");
armdran 9:8bcd70b26084 78 }
armdran 9:8bcd70b26084 79 }
armdran 9:8bcd70b26084 80
armdran 9:8bcd70b26084 81 device.read();
armdran 9:8bcd70b26084 82
armdran 9:8bcd70b26084 83 device.reply(0x00);
armdran 9:8bcd70b26084 84
armdran 9:8bcd70b26084 85 while(!device.receive()) {
armdran 9:8bcd70b26084 86 if(i++ % 10000 == 0) {
armdran 9:8bcd70b26084 87 printf(".");
armdran 9:8bcd70b26084 88 }
armdran 9:8bcd70b26084 89 }
armdran 9:8bcd70b26084 90
armdran 9:8bcd70b26084 91 int response = device.read();
armdran 9:8bcd70b26084 92
armdran 9:8bcd70b26084 93 //printf("Sent Keystroke %x over SPI. response was %x\r\n", keyReg, response);
armdran 9:8bcd70b26084 94
armdran 9:8bcd70b26084 95 if(response == keyReg) {
armdran 9:8bcd70b26084 96 keyReg = 0;
armdran 9:8bcd70b26084 97 }
armdran 9:8bcd70b26084 98
samux 0:88d52e197201 99 }
armdran 9:8bcd70b26084 100
samux 0:88d52e197201 101 }