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IO pins ready

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This commit is contained in:
Pavol Rusnak 2011-04-27 01:55:39 +02:00
parent 3e1c56c744
commit 48c2cc1630
2 changed files with 20 additions and 18 deletions
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34
firmware/src/edubrm.c
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@ -16,10 +16,9 @@ void GetInReport (uint8_t src[], uint32_t length)
src[i*2+1] = (v>>8) & 0xff;
}
src[14] = 0;
src[14] |= (LPC_GPIO2->MASKED_ACCESS[1<<0] & (1<<0));
src[14] |= (LPC_GPIO2->MASKED_ACCESS[1<<6] & (1<<6)) >> 5;
src[14] |= (LPC_GPIO2->MASKED_ACCESS[1<<6] & (1<<6)) >> 6;
src[14] |= (LPC_GPIO2->MASKED_ACCESS[1<<0] & (1<<0)) << 1;
src[14] |= (LPC_GPIO2->MASKED_ACCESS[1<<7] & (1<<7)) >> 5;
}
void SetOutReport (uint8_t dst[], uint32_t length)
@ -67,24 +66,23 @@ void SetOutReport (uint8_t dst[], uint32_t length)
case 'P':
states = dst[1];
PinDir(states);
// TODO: set pins to states (1 is INPUT, 0 is OUTPUT)
// pin1 is PIN_1
// pin2 is PIN_2
// pin3 is PIN_11
break;
case 'o':
which = dst[1] >> 1;
state = dst[1] & 0x01;
PinState(which, state);
// TODO: set output pins (which) to state (state)
// pin1 is PIN_1
// pin2 is PIN_2
// pin3 is PIN_11
break;
}
}
void PinInit() {
// set pins function
LPC_IOCON->PIO2_0 &= ~0x07;
LPC_IOCON->PIO2_0 |= 0x00;
LPC_IOCON->PIO2_6 &= ~0x07;
LPC_IOCON->PIO2_6 |= 0x00;
LPC_IOCON->PIO2_7 &= ~0x07;
LPC_IOCON->PIO2_7 |= 0x00;
PinDir(0); // all 3 pins are output 0
PinState(1, 0);
PinState(2, 0);
@ -100,15 +98,15 @@ void EduInit() {
void PinDir(uint16_t mask) {
mask &= 7;
mask ^= 7;
mask = ((mask & 4) << 5) | ((mask & 2) << 5) | (mask & 1);
mask = ((mask & 4) << 5) | ((mask & 2) >> 1) | ((mask & 1)<<6);
LPC_GPIO2->DIR |= mask;
mask |= ~(1<<0 | 1<<6 | 1<<7);
LPC_GPIO2->DIR &= mask;
if (!(mask & 1))
if (!(mask & (1<<6)))
PinState(1, 0);
if (!(mask & (1<<6)))
if (!(mask & (1<<0)))
PinState(2, 0);
if (!(mask & (1<<7)))
@ -119,7 +117,12 @@ void PinDir(uint16_t mask) {
void PinState(uint8_t which, uint8_t state) {
state &= 1;
which -= 1;
if (which > 0)which += 5;
switch (which) {
case 0: which = 6; break;
case 1: which = 0; break;
case 2: which = 7; break;
}
if (which < 0) return;
LPC_GPIO2->MASKED_ACCESS[1<<which] |= (state<<which);
LPC_GPIO2->MASKED_ACCESS[1<<which] &= ((state<<which) | ~(1<<which));
}
@ -128,7 +131,6 @@ void TIMER16_1_IRQHandler(void) {
LPC_TMR16B1->IR = 0xff;
LPC_GPIO1->DIR ^= 1<<6;
LPC_TMR16B1->MR0 -= 100;
}
//static uint8_t x = 0;