Changeset - fab3e3fea18d
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Ethan Zonca - 10 years ago 2014-08-19 22:06:57
ez@ethanzonca.com
Added spi read and i2a
1 file changed with 29 insertions and 12 deletions:
main.c
29
12
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main.c
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@@ -29,7 +29,25 @@ uint32_t packet_sent=1;
 
uint32_t packet_receive=1;
 
 
 
 
char* itoa(int i, char b[]){
 
    char const digit[] = "0123456789";
 
    char* p = b;
 
    if(i<0){
 
        *p++ = '-';
 
        i *= -1;
 
    }
 
    int shifter = i;
 
    do{ //Move to where representation ends
 
        ++p;
 
        shifter = shifter/10;
 
    }while(shifter);
 
    *p = '\0';
 
    do{ //Move back, inserting digits as u go
 
        *--p = digit[i%10];
 
        i = i/10;
 
    }while(i);
 
    return b;
 
}
 
 
static __IO uint32_t TimingDelay;
 
 
@@ -77,17 +95,18 @@ int main(void)
 
 
    uint8_t toggle = 0;
 
 
    int16_t temp = 0;
 
    int16_t temp = -231;
 
 
    while(1)
 
    {
 
        temp = SPI_I2S_ReceiveData(SPI2);
 
        ssd1306_DrawString("Temp: ", 1, 40);
 
 
        //ssd1306_DrawString("Temp: ", 1, 40);
 
        char tempstr[5];
 
        char test = temp + 0x30;
 
        itoa(temp, tempstr);
 
        ssd1306_DrawString("Temp: ", 3, 40);
 
        //char test = temp + 0x30;
 
        //sprintf(tempstr, "%d", test);
 
        //ssd1306_DrawString(tempstr, 1, 70);
 
        ssd1306_DrawString(tempstr, 3, 70);
 
 
        //ssd1306_block_write();
 
 
@@ -100,19 +119,17 @@ int main(void)
 
 
        // TODO: Grab buttonpresses with interrupts
 
        uint8_t sw_btn = GPIO_ReadInputDataBit(SW_BTN);
 
        uint8_t sw_up = GPIO_ReadInputDataBit(SW_UP);
 
        uint8_t sw_down = GPIO_ReadInputDataBit(SW_DOWN);
 
        uint8_t sw_left = GPIO_ReadInputDataBit(SW_LEFT);
 
        uint8_t sw_right = GPIO_ReadInputDataBit(SW_RIGHT);
 
        //uint8_t sw_up = GPIO_ReadInputDataBit(SW_UP);
 
        //uint8_t sw_down = GPIO_ReadInputDataBit(SW_DOWN);
 
        //uint8_t sw_left = GPIO_ReadInputDataBit(SW_LEFT);
 
        //uint8_t sw_right = GPIO_ReadInputDataBit(SW_RIGHT);
 
 
        if(!sw_btn) {
 
            GPIO_ToggleBits(LED_STAT);
 
            if(!toggle) {
 
                ssd1306_DrawString("________________", 3, 32);
 
                toggle = ! toggle;
 
            }
 
            else  {
 
                ssd1306_DrawString("----------------", 3, 32);
 
                toggle = ! toggle;
 
            }    
 
        }
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