brmlab/edubrm
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BIITER 2011-04-27 00:06:22 +02:00
parent e38d475d40
commit af36fa43f0
8 changed files with 57 additions and 36 deletions
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40
firmware/src/edubrm.c
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@ -15,9 +15,11 @@ void GetInReport (uint8_t src[], uint32_t length)
src[i*2 ] = v & 0xff;
src[i*2+1] = (v>>8) & 0xff;
}
// TODO: fix the following - replace IP[i] with real value of input pin (I)
// src[14] = IP[0] + (IP[1]<<1) + (IP[2]<<2);
src[14] = 0;
src[14] |= (LPC_GPIO2->MASKED_ACCESS[1<<0] & (1<<0));
src[14] |= (LPC_GPIO2->MASKED_ACCESS[1<<6] & (1<<6));
src[14] |= (LPC_GPIO2->MASKED_ACCESS[1<<7] & (1<<7));
}
void SetOutReport (uint8_t dst[], uint32_t length)
@ -82,22 +84,44 @@ void SetOutReport (uint8_t dst[], uint32_t length)
}
}
void PinInit() {
PinDir(0); // all 3 pins are output 0
PinState(1, 0);
PinState(2, 0);
PinState(3, 0);
}
void EduInit() {
SSPInit();
ADCInit(ADC_CLK);
PinInit();
}
void PinDir(uint16_t mask) {
mask &= 7;
mask ^= 7;
mask = ((mask & 4) << 5) | ((mask & 2) << 5) | (mask & 1);
LPC_GPIO2->DIR |= mask;
mask |= ~(1<<0 | 1<<6 | 1<<7);
LPC_GPIO2->DIR &= mask;
LPC_GPIO2->MASKED_ACCESS[1<<0] |= 1<<0;
LPC_GPIO2->MASKED_ACCESS[1<<6] |= 1<<6;
LPC_GPIO2->MASKED_ACCESS[1<<7] |= 1<<7;
if (!(mask & 1))
PinState(1, 0);
if (!(mask & (1<<6)))
PinState(2, 0);
if (!(mask & (1<<7)))
PinState(3, 0);
}
void PinState(uint8_t which, uint8_t state) {
// if (which > 1) which += 4;
// LPC_GPIO2->MASKED_ACCESS[1<<which] |= (1<<which);
// LPC_GPIO2->MASKED_ACCESS[1<<which] &= (1<<which);
state &= 1;
which -= 1;
if (which > 0)which += 5;
LPC_GPIO2->MASKED_ACCESS[1<<which] |= (state<<which);
LPC_GPIO2->MASKED_ACCESS[1<<which] &= ((state<<which) | ~(1<<which));
}
void TIMER16_1_IRQHandler(void) {