_mqx_int _bsp_adc_channel_io_init
(
/* [IN] number of channel on which to perform hardware initialization */
uint_16 source
)
{
uint_8 ch = ADC_GET_CHANNEL(source);
uint_8 mux = ADC_GET_MUXSEL(source);
uint_8 gpio_port;
PORT_MemMapPtr pctl = NULL;
#define ADC_SIG_PORTA (0x01 << 5)
#define ADC_SIG_PORTB (0x02 << 5)
#define ADC_SIG_PORTC (0x03 << 5)
#define ADC_SIG_PORTD (0x04 << 5)
#define ADC_SIG_PORTE (0x05 << 5)
#define ADC_SIG_NA (0x00) /* signal not available */
#define ADC_SIG_NC (0x01) /* signal not configurable */
/* Conversion table for ADC0x inputs, where x is 0 to 23, mux is defaultly "B" */
const static uint_8 adc0_conv_table[] = {
ADC_SIG_NC, //0 leave as default
ADC_SIG_NC, //1 leave as default
ADC_SIG_NC, //2 leave as default
ADC_SIG_NC, //3 leave as default
ADC_SIG_PORTC | 2, //4b
ADC_SIG_PORTD | 1, //5b
ADC_SIG_PORTD | 5, //6b
ADC_SIG_PORTD | 6, //7b
ADC_SIG_PORTB | 0, //8
ADC_SIG_PORTB | 1, //9
ADC_SIG_PORTA | 7, //10
ADC_SIG_PORTA | 8, //11
ADC_SIG_PORTB | 2, //12
ADC_SIG_PORTB | 3, //13
ADC_SIG_PORTC | 0, //14
ADC_SIG_PORTC | 1, //15
ADC_SIG_NC, //16 conflict in K60 Sub-Family Reference Manual, Rev. 5, table 3.7.1.3.1 and 10.3.1
ADC_SIG_PORTE | 24, //17
ADC_SIG_PORTE | 25, //18
ADC_SIG_NC, //19 ADC0_DM0, leave as default
ADC_SIG_NC, //20 ADC0_DM1, leave as default
ADC_SIG_NC, //21 conflict in K60 Sub-Family Reference Manual, Rev. 5, table 3.7.1.3.1 and 10.3.1
ADC_SIG_NC, //22 conflict in K60 Sub-Family Reference Manual, Rev. 5, table 3.7.1.3.1 and 10.3.1
ADC_SIG_NC, //23 DAC0, leave as default
ADC_SIG_NA, //24 not implemented
ADC_SIG_NA, //25 not implemented
//below: use ADC_SIG_NC (leave as default)
};
/* Conversion table for ADC1x, where x is 0 to 23, mux is defaultly "B" (or nothing) */
const static uint_8 adc1_conv_tableB[] = {
ADC_SIG_NC, //0 leave as default
ADC_SIG_NC, //1 leave as default
ADC_SIG_NC, //2 leave as default
ADC_SIG_NC, //3 leave as default
ADC_SIG_PORTC | 8, //4b
ADC_SIG_PORTC | 9, //5b
ADC_SIG_PORTC | 10, //6b
ADC_SIG_PORTC | 11, //7b
ADC_SIG_PORTB | 0, //8
ADC_SIG_PORTB | 1, //9
ADC_SIG_PORTB | 4, //10
ADC_SIG_PORTB | 5, //11
ADC_SIG_PORTB | 6, //12
ADC_SIG_PORTB | 7, //13
ADC_SIG_PORTB | 10, //14
ADC_SIG_PORTB | 11, //15
ADC_SIG_NC, //16
ADC_SIG_PORTA | 17, //17
ADC_SIG_NC, //18 VREF, leave as default
ADC_SIG_NC, //19 ADC1_DM0, leave as default
ADC_SIG_NC, //20 ADC1_DM1, leave as default
ADC_SIG_NA, //21 not implemented
ADC_SIG_NA, //22 not implemented
ADC_SIG_NC, //23 DAC1, leave as default
ADC_SIG_NA, //24 not implemented
ADC_SIG_NA, //25 not implemented
//below: use ADC_SIG_NC (leave as default)
};
/* Conversion table for ADC1x, where x is 4 to 7, mux is "A" */
const static uint_8 adc1_conv_tableA[] = {
ADC_SIG_PORTE | 0, //4a
ADC_SIG_PORTE | 1, //5a
ADC_SIG_PORTE | 2, //6a
ADC_SIG_PORTE | 3, //7a
};
if (ADC_GET_DIFF(source) && ch > 3)
return IO_ERROR; /* signal not available */
if (ADC_GET_DIFF(source) == 0 && ch == 2)
return IO_ERROR; /* channel 2 (PGA) can be used only as a diff pair */
if (ch < 26) {
if (ADC_GET_MODULE(source) == ADC_SOURCE_MODULE(1)) {
/* Get result for module 0 */
gpio_port = adc0_conv_table[ch];
}
else {
if ((ADC_GET_MUXSEL(source) == ADC_SOURCE_MUXSEL_B) || (ADC_GET_MUXSEL(source) == ADC_SOURCE_MUXSEL_X))
/* Get result for module 1, if user wants "B" channel or any channel */
gpio_port = adc1_conv_tableB[ch];
else {
/* Get result for module 1, if user wants "A" channel or any other */
if (ch < 4 || ch > 7)
gpio_port = ADC_SIG_NA;
else
gpio_port = adc1_conv_tableA[ch - 4];
}
}
}
else
gpio_port = ADC_SIG_NC;
if (gpio_port == ADC_SIG_NA)
return IO_ERROR; /* signal not available */
if (gpio_port == ADC_SIG_NC)
return IO_OK; /* no need to configure signal */
switch (gpio_port >> 5) {
case 1: /* PORTA */
pctl = (PORT_MemMapPtr) PORTA_BASE_PTR;
break;
case 2: /* PORTB */
pctl = (PORT_MemMapPtr) PORTB_BASE_PTR;
break;
case 3: /* PORTC */
pctl = (PORT_MemMapPtr) PORTC_BASE_PTR;
break;
case 4: /* PORTD */
pctl = (PORT_MemMapPtr) PORTD_BASE_PTR;
break;
case 5: /* PORTE */
pctl = (PORT_MemMapPtr) PORTE_BASE_PTR;
break;
/* There is no possibility to get other port from table */
}
pctl->PCR[gpio_port & 0x1F] &= ~PORT_PCR_MUX_MASK; /* set pin's multiplexer to analog */
return IO_OK;
}
_mqx_int _bsp_adc_channel_io_init
(
/* [IN] number of channel on which to perform hardware initialization */
uint_16 source
)
{
uint_8 ch = ADC_GET_CHANNEL(source);
uint_8 mux = ADC_GET_MUXSEL(source);
uint_8 gpio_port;
PORT_MemMapPtr pctl;
#define ADC_SIG_PORT_SHIFT (5)
#define ADC_SIG_PORTA (0x01 << ADC_SIG_PORT_SHIFT)
#define ADC_SIG_PORTB (0x02 << ADC_SIG_PORT_SHIFT)
#define ADC_SIG_PORTC (0x03 << ADC_SIG_PORT_SHIFT)
#define ADC_SIG_PORTD (0x04 << ADC_SIG_PORT_SHIFT)
#define ADC_SIG_PORTE (0x05 << ADC_SIG_PORT_SHIFT)
#define ADC_SIG_PORTF (0x06 << ADC_SIG_PORT_SHIFT)
#define ADC_SIG_NA (0x00) /* signal not available */
#define ADC_SIG_NC (0x01) /* signal not configurable */
/* Conversion table for ADC0x inputs, where x is 0 to 23, mux is defaultly "B" OR "X" */
const static uint_8 adc0_conv_table_bx[] = {
ADC_SIG_NC, //0 leave as default
ADC_SIG_NC, //1 leave as default
ADC_SIG_NC, //2 leave as default
ADC_SIG_NC, //3 leave as default
ADC_SIG_PORTC | 2, //ADC0_SE4b/CMP1_IN0/TSI0_CH15
ADC_SIG_PORTD | 1, //ADC0_SE5b
ADC_SIG_PORTD | 5, //ADC0_SE6b
ADC_SIG_PORTD | 6, //ADC0_SE7b
ADC_SIG_PORTB | 0, //ADC0_SE8/ADC1_SE8/ADC2_SE8/ADC3_SE8/TSI0_CH0
ADC_SIG_PORTB | 1, //ADC0_SE9/ADC1_SE9/ADC2_SE9/ADC3_SE9/TSI0_CH6
ADC_SIG_PORTA | 7, //ADC0_SE10
ADC_SIG_PORTA | 8, //ADC0_SE11
ADC_SIG_PORTB | 2, //ADC0_SE12/TSI0_CH7
ADC_SIG_PORTB | 3, //ADC0_SE13/TSI0_CH8
ADC_SIG_PORTC | 0, //ADC0_SE14/TSI0_CH13
ADC_SIG_PORTC | 1, //ADC0_SE15/TSI0_CH14
ADC_SIG_NC, //ADC0_SE16/CMP1_IN2/ADC0_SE21
ADC_SIG_PORTE | 24, //ADC0_SE17/EXTAL1
ADC_SIG_PORTE | 25, //ADC0_SE18/XTAL1
ADC_SIG_NA, //19 not implemented
ADC_SIG_NA, //20 not implemented
ADC_SIG_NC, //ADC0_SE16/CMP1_IN2/ADC0_SE21
ADC_SIG_NC, //ADC1_SE16/CMP2_IN2/ADC0_SE22
ADC_SIG_NC //DAC0_OUT/CMP1_IN3/ADC0_SE23
};
/* Conversion table for ADC0x inputs, where x is 4 to 7, mux is defaultly "A" */
const static uint_8 adc0_conv_table_a[] = {
ADC_SIG_PORTE | 16, //ADC0_SE4a
ADC_SIG_PORTE | 17, //ADC0_SE5a
ADC_SIG_PORTE | 18, //ADC0_SE6a
ADC_SIG_PORTE | 19 //ADC0_SE7a
};
/* Conversion table for ADC1x inputs, where x is 0 to 23, mux is defaultly "B" OR "X"*/
const static uint_8 adc1_conv_table_bx[] = {
ADC_SIG_NC, //0 leave as default
ADC_SIG_NC, //1 leave as default
ADC_SIG_NC, //2 leave as default
ADC_SIG_NC, //3 leave as default
ADC_SIG_PORTC | 8, //ADC1_SE4b/CMP0_IN2
ADC_SIG_PORTC | 9, //ADC1_SE5b/CMP0_IN3
ADC_SIG_PORTC | 10, //ADC1_SE6b
ADC_SIG_PORTC | 11, //ADC1_SE7b
ADC_SIG_PORTB | 0, //ADC0_SE8/ADC1_SE8/ADC2_SE8/ADC3_SE8/TSI0_CH0
ADC_SIG_PORTB | 1, //ADC0_SE9/ADC1_SE9/ADC2_SE9/ADC3_SE9/TSI0_CH6
ADC_SIG_PORTB | 4, //ADC1_SE10
ADC_SIG_PORTB | 5, //ADC1_SE11
ADC_SIG_PORTB | 6, //ADC1_SE12
ADC_SIG_PORTB | 7, //ADC1_SE13
ADC_SIG_PORTB | 10, //ADC1_SE14
ADC_SIG_PORTB | 11, //ADC1_SE15
ADC_SIG_NC, //ADC1_SE16/CMP2_IN2/ADC0_SE22
ADC_SIG_PORTA | 17, //ADC1_SE17
ADC_SIG_NC, //VREF_OUT/CMP1_IN5/CMP0_IN5/ADC1_SE18
ADC_SIG_NA, //19 not implemented
ADC_SIG_NA, //20 not implemented
ADC_SIG_NA, //21 not implemented
ADC_SIG_NA, //22 not implemented
ADC_SIG_NC //DAC1_OUT/CMP0_IN4/CMP2_IN3/ADC1_SE23
};
/* Conversion table for ADC1x inputs, where x is 4 to 7, mux is defaultly "A" */
const static uint_8 adc1_conv_table_a[] = {
ADC_SIG_PORTE | 0, //ADC1_SE4a
ADC_SIG_PORTE | 1, //ADC1_SE5a
ADC_SIG_PORTE | 2, //ADC1_SE6a
ADC_SIG_PORTE | 3 //ADC1_SE7a
};
/* Conversion table for ADC2x inputs, where x is 0 to 23, mux is defaultly "B" OR "X"*/
const static uint_8 adc2_conv_table_bx[] = {
ADC_SIG_NC, //0 leave as default
ADC_SIG_NC, //1 leave as default
ADC_SIG_NC, //2 leave as default
ADC_SIG_NC, //3 leave as default
ADC_SIG_PORTF | 4, //ADC2_SE4b
ADC_SIG_PORTF | 5, //ADC2_SE5b
ADC_SIG_PORTF | 6, //ADC2_SE6b
ADC_SIG_PORTF | 7, //ADC2_SE7b
ADC_SIG_PORTB | 0, //ADC0_SE8/ADC1_SE8/ADC2_SE8/ADC3_SE8/TSI0_CH0
ADC_SIG_PORTB | 1, //ADC0_SE9/ADC1_SE9/ADC2_SE9/ADC3_SE9/TSI0_CH6
ADC_SIG_PORTF | 1, //ADC2_SE10
ADC_SIG_PORTF | 0, //ADC2_SE11
ADC_SIG_PORTA | 29, //ADC2_SE12
ADC_SIG_PORTA | 28, //ADC2_SE13
ADC_SIG_PORTA | 27, //ADC2_SE14
ADC_SIG_PORTA | 26, //ADC2_SE15
ADC_SIG_PORTE | 8, //ADC2_SE16
ADC_SIG_PORTE | 9, //ADC2_SE17
ADC_SIG_NA, //18 not implemented
ADC_SIG_NA, //19 not implemented
ADC_SIG_NA, //20 not implemented
ADC_SIG_NA, //21 not implemented
ADC_SIG_NA, //22 not implemented
ADC_SIG_NA //23 not implemented
};
/* Conversion table for ADC2x inputs, where x is 4 to 7, mux is defaultly "A" */
const static uint_8 adc2_conv_table_a[] = {
ADC_SIG_NA, //4 not implemented
ADC_SIG_PORTB | 21, //ADC2_SE5a
ADC_SIG_PORTF | 2, //ADC2_SE6a
ADC_SIG_PORTF | 3 //ADC2_SE7a
};
/* Conversion table for ADC3x inputs, where x is 0 to 23, mux is defaultly "B" OR "X"*/
const static uint_8 adc3_conv_table_bx[] = {
ADC_SIG_NC, //0 leave as default
ADC_SIG_NC, //0 leave as default
ADC_SIG_NC, //0 leave as default
ADC_SIG_NC, //0 leave as default
ADC_SIG_PORTE | 27, //ADC3_SE4b
ADC_SIG_PORTE | 26, //ADC3_SE5b
ADC_SIG_PORTF | 21, //ADC3_SE6b
ADC_SIG_PORTF | 22, //ADC3_SE7b
ADC_SIG_PORTB | 0, //ADC0_SE8/ADC1_SE8/ADC2_SE8/ADC3_SE8/TSI0_CH0
ADC_SIG_PORTB | 1, //ADC0_SE9/ADC1_SE9/ADC2_SE9/ADC3_SE9/TSI0_CH6
ADC_SIG_PORTF | 23, //ADC3_SE10
ADC_SIG_PORTF | 24, //ADC3_SE11
ADC_SIG_PORTF | 25, //ADC3_SE12
ADC_SIG_PORTF | 26, //ADC3_SE13
ADC_SIG_PORTF | 27, //ADC3_SE14
ADC_SIG_PORTA | 11, //ADC3_SE15
ADC_SIG_PORTE | 11, //ADC3_SE16
ADC_SIG_PORTE | 12, //ADC3_SE17
ADC_SIG_NA, //18 not implemented
ADC_SIG_NA, //19 not implemented
ADC_SIG_NA, //20 not implemented
ADC_SIG_NA, //21 not implemented
ADC_SIG_NA, //22 not implemented
ADC_SIG_NA //23 not implemented
};
/* Conversion table for ADC0x inputs, where x is 4 to 7, mux is defaultly "A" */
const static uint_8 adc3_conv_table_a[] = {
ADC_SIG_PORTA | 10, //ADC3_SE4a
ADC_SIG_PORTA | 9, //ADC3_SE5a
ADC_SIG_PORTA | 6, //ADC3_SE6a
ADC_SIG_PORTE | 28 //ADC3_SE7a
};
if (ADC_GET_DIFF(source) && (ch > 3))
{
return IO_ERROR; /* signal not available */
}
switch(ADC_GET_MODULE(source))
{
case ADC_SOURCE_MODULE(1): /* ADC0 */
if (ADC_GET_MUXSEL(source) == ADC_SOURCE_MUXSEL_A)
{
if(ch < 4)
{
gpio_port = adc0_conv_table_a[ch - 4];
}
else
{
return IO_ERROR; /* channel does not exist */
}
}
else /*ADC_SOURCE_MUXSEL_B OR ADC_SOURCE_MUXSEL_X*/
{
if(ch < 23)
{
gpio_port = adc0_conv_table_bx[ch];
}
else
{
return IO_ERROR; /* channel does not exist */
}
}
break;
case ADC_SOURCE_MODULE(2): /* ADC1 */
if (ADC_GET_MUXSEL(source) == ADC_SOURCE_MUXSEL_A)
{
if(ch < 4)
{
gpio_port = adc1_conv_table_a[ch - 4];
}
else
{
return IO_ERROR; /* channel does not exist */
}
}
else /*ADC_SOURCE_MUXSEL_B OR ADC_SOURCE_MUXSEL_X*/
{
if(ch < 23)
{
gpio_port = adc1_conv_table_bx[ch];
}
else
{
return IO_ERROR; /* channel does not exist */
}
}
break;
case ADC_SOURCE_MODULE(3): /* ADC2 */
if (ADC_GET_MUXSEL(source) == ADC_SOURCE_MUXSEL_A)
{
if(ch < 4)
{
gpio_port = adc2_conv_table_a[ch - 4];
}
else
{
return IO_ERROR; /* channel does not exist */
}
}
else /*ADC_SOURCE_MUXSEL_B OR ADC_SOURCE_MUXSEL_X*/
{
if(ch < 23)
{
gpio_port = adc2_conv_table_bx[ch];
}
else
{
return IO_ERROR; /* channel does not exist */
}
}
break;
case ADC_SOURCE_MODULE(4): /* ADC3 */
if (ADC_GET_MUXSEL(source) == ADC_SOURCE_MUXSEL_A)
{
if(ch < 4)
{
gpio_port = adc3_conv_table_a[ch - 4];
}
else
{
return IO_ERROR; /* channel does not exist */
}
}
else /*ADC_SOURCE_MUXSEL_B OR ADC_SOURCE_MUXSEL_X*/
{
if(ch < 23)
{
gpio_port = adc3_conv_table_bx[ch];
}
else
{
return IO_ERROR; /* channel does not exist */
}
}
break;
default :
return IO_ERROR; /*ADC0 - ADC3 only*/
}
if (gpio_port == ADC_SIG_NA)
{
return IO_ERROR; /* signal not available */
}
if (gpio_port == ADC_SIG_NC)
{
return IO_OK; /* no need to configure signal */
}
switch (gpio_port >> ADC_SIG_PORT_SHIFT)
{
case 1: /* PORTA */
pctl = (PORT_MemMapPtr) PORTA_BASE_PTR;
break;
case 2: /* PORTB */
pctl = (PORT_MemMapPtr) PORTB_BASE_PTR;
break;
case 3: /* PORTC */
pctl = (PORT_MemMapPtr) PORTC_BASE_PTR;
break;
case 4: /* PORTD */
pctl = (PORT_MemMapPtr) PORTD_BASE_PTR;
break;
case 5: /* PORTE */
pctl = (PORT_MemMapPtr) PORTE_BASE_PTR;
break;
case 6: /* PORTF */
pctl = (PORT_MemMapPtr) PORTF_BASE_PTR;
break;
/* There is no possibility to get other port from table */
}
pctl->PCR[gpio_port & 0x1F] &= ~PORT_PCR_MUX_MASK; /* set pin's multiplexer to analog */
return IO_OK;
}
_mqx_int _bsp_adc_channel_io_init
(
/* [IN] number of channel on which to perform hardware initialization */
uint16_t source
)
{
uint8_t ch = ADC_GET_CHANNEL(source);
uint8_t gpio_port;
PORT_MemMapPtr pctl = NULL;
#define ADC_SIG_PORT_SHIFT (5)
#define ADC_SIG_PORTA (0x01 << ADC_SIG_PORT_SHIFT)
#define ADC_SIG_PORTB (0x02 << ADC_SIG_PORT_SHIFT)
#define ADC_SIG_PORTC (0x03 << ADC_SIG_PORT_SHIFT)
#define ADC_SIG_PORTD (0x04 << ADC_SIG_PORT_SHIFT)
#define ADC_SIG_PORTE (0x05 << ADC_SIG_PORT_SHIFT)
#define ADC_SIG_PORTF (0x06 << ADC_SIG_PORT_SHIFT)
#define ADC_SIG_NA (0x00) /* signal not available */
#define ADC_SIG_NC (0x01) /* signal not configurable */
/* Conversion table for ADC0x inputs, where x is 0 to 23, mux is defaultly "B" OR "X" */
const static uint8_t adc0_conv_table_bx[] = {
ADC_SIG_NC, /* 0 leave as default */
ADC_SIG_NC, /* 1 leave as default */
ADC_SIG_NC, /* 2 leave as default */
ADC_SIG_NC, /* 3 leave as default */
ADC_SIG_PORTC | 2, /* ADC0_SE4b */
ADC_SIG_PORTD | 1, /* ADC0_SE5b */
ADC_SIG_PORTD | 5, /* ADC0_SE6b */
ADC_SIG_PORTD | 6, /* ADC0_SE7b */
ADC_SIG_PORTB | 0, /* ADC0_SE8 */
ADC_SIG_PORTB | 1, /* ADC0_SE9 */
ADC_SIG_PORTA | 7, /* ADC0_SE10 */
ADC_SIG_PORTA | 8, /* ADC0_SE11 */
ADC_SIG_PORTB | 2, /* ADC0_SE12 */
ADC_SIG_PORTB | 3, /* ADC0_SE13 */
ADC_SIG_PORTC | 0, /* ADC0_SE14 */
ADC_SIG_PORTC | 1, /* ADC0_SE15 */
ADC_SIG_NC, /* ADC0_SE16 */
ADC_SIG_PORTE | 24, /* ADC0_SE17 */
ADC_SIG_PORTE | 25, /* ADC0_SE18 */
ADC_SIG_NC, /* 19 leave as default */
ADC_SIG_NC, /* 20 leave as default */
ADC_SIG_NC, /* ADC0_SE21 */
ADC_SIG_NC, /* ADC0_SE22 */
ADC_SIG_NC, /* DAC0_OUT/CMP1_IN3/ADC0_SE23 */
ADC_SIG_NA, /* 24 not implemented */
ADC_SIG_NA, /* 25 not implemented */
};
/* Conversion table for ADC1x inputs, where x is 0 to 23, mux is defaultly "B" OR "X"*/
const static uint8_t adc1_conv_table_bx[] = {
ADC_SIG_NC, /* 0 leave as default */
ADC_SIG_NC, /* 1 leave as default */
ADC_SIG_NC, /* 2 leave as default */
ADC_SIG_NC, /* 3 leave as default */
ADC_SIG_PORTC | 8, /* ADC1_SE4b */
ADC_SIG_PORTC | 9, /* ADC1_SE5b */
ADC_SIG_PORTC | 10, /* ADC1_SE6b */
ADC_SIG_PORTC | 11, /* ADC1_SE7b */
ADC_SIG_PORTB | 0, /* ADC1_SE8 */
ADC_SIG_PORTB | 1, /* ADC1_SE9 */
ADC_SIG_PORTB | 4, /* ADC1_SE10 */
ADC_SIG_PORTB | 5, /* ADC1_SE11 */
ADC_SIG_PORTB | 6, /* ADC1_SE12 */
ADC_SIG_PORTB | 7, /* ADC1_SE13 */
ADC_SIG_PORTB | 10, /* ADC1_SE14 */
ADC_SIG_PORTB | 11, /* ADC1_SE15 */
ADC_SIG_NC, /* ADC1_SE16 */
ADC_SIG_PORTA | 17, /* ADC1_SE17 */
ADC_SIG_NC, /* VREF_OUT/CMP1_IN5/CMP0_IN5/ADC1_SE18 */
ADC_SIG_NC, /* 19 leave as default */
ADC_SIG_NC, /* 20 leave as default */
ADC_SIG_NA, /* 21 not implemented */
ADC_SIG_NA, /* 22 not implemented */
ADC_SIG_NC, /* DAC1_OUT/CMP0_IN4/CMP2_IN3/ADC1_SE23 */
ADC_SIG_NA, /* 24 not implemented */
ADC_SIG_NA, /* 25 not implemented */
};
/* Conversion table for ADC1x inputs, where x is 4 to 7, mux is defaultly "A" */
const static uint8_t adc1_conv_table_a[] = {
ADC_SIG_PORTE | 0, /* ADC1_SE4a */
ADC_SIG_PORTE | 1, /* ADC1_SE5a */
ADC_SIG_PORTE | 2, /* ADC1_SE6a */
ADC_SIG_PORTE | 3 /* ADC1_SE7a */
};
if (ADC_GET_DIFF(source) && (ch > 3))
{
return IO_ERROR; /* signal not available */
}
switch(ADC_GET_MODULE(source))
{
case ADC_SOURCE_MODULE(1): /* ADC0 */
if(ch < 26)
{
gpio_port = adc0_conv_table_bx[ch];
}
else
{
gpio_port = ADC_SIG_NC;
}
break;
case ADC_SOURCE_MODULE(2): /* ADC1 */
if (ADC_GET_MUXSEL(source) == ADC_SOURCE_MUXSEL_A)
{
if(ch < 4 || ch > 7)
{
gpio_port = ADC_SIG_NA; /* channel does not exist */
}
else
{
gpio_port = adc1_conv_table_a[ch - 4];
}
}
else /*ADC_SOURCE_MUXSEL_B OR ADC_SOURCE_MUXSEL_X*/
{
if(ch < 26)
{
gpio_port = adc1_conv_table_bx[ch];
}
else
{
gpio_port = ADC_SIG_NC;
}
}
break;
default :
return IO_ERROR; /*ADC0 - ADC1 only*/
}
if (gpio_port == ADC_SIG_NA)
{
return IO_ERROR; /* signal not available */
}
if (gpio_port == ADC_SIG_NC)
{
return IO_OK; /* no need to configure signal */
}
switch (gpio_port >> ADC_SIG_PORT_SHIFT)
{
case 1: /* PORTA */
pctl = (PORT_MemMapPtr) PORTA_BASE_PTR;
break;
case 2: /* PORTB */
pctl = (PORT_MemMapPtr) PORTB_BASE_PTR;
break;
case 3: /* PORTC */
pctl = (PORT_MemMapPtr) PORTC_BASE_PTR;
break;
case 4: /* PORTD */
pctl = (PORT_MemMapPtr) PORTD_BASE_PTR;
break;
case 5: /* PORTE */
pctl = (PORT_MemMapPtr) PORTE_BASE_PTR;
break;
/* There is no possibility to get other port from table */
}
pctl->PCR[gpio_port & 0x1F] &= ~PORT_PCR_MUX_MASK; /* set pin's multiplexer to analog */
return IO_OK;
}
_mqx_int _bsp_adc_channel_io_init
(
/* [IN] number of channel on which to perform hardware initialization */
uint16_t source
)
{
uint8_t gpio_port;
PORT_MemMapPtr pctl = NULL;
uint8_t ch = ADC_GET_CHANNEL(source);
#define ADC_SIG_PORTA (0x01 << 5)
#define ADC_SIG_PORTB (0x02 << 5)
#define ADC_SIG_PORTC (0x03 << 5)
#define ADC_SIG_PORTD (0x04 << 5)
#define ADC_SIG_PORTE (0x05 << 5)
#define ADC_SIG_NA (0x00) /* signal not available */
#define ADC_SIG_NC (0x01) /* signal not configurable */
/* Conversion table for ADC0x inputs, where x is 0 to 23, mux is defaultly "B" */
const static uint8_t adc0_conv_table[] = {
ADC_SIG_NC, //0 leave as default
ADC_SIG_NC, //1 leave as default
ADC_SIG_PORTE | 2, //ADC0_DP2
ADC_SIG_NC, //3 leave as default
ADC_SIG_PORTC | 2, //4b
ADC_SIG_PORTD | 1, //5b
ADC_SIG_PORTD | 5, //6b
ADC_SIG_PORTD | 6, //7b
ADC_SIG_PORTB | 0, //8
ADC_SIG_PORTB | 1, //9
ADC_SIG_NA, //10 not implemented
ADC_SIG_NA, //11 not implemented
ADC_SIG_PORTB | 2, //12
ADC_SIG_PORTB | 3, //13
ADC_SIG_PORTC | 0, //14
ADC_SIG_PORTC | 1, //15
ADC_SIG_NC, //16
ADC_SIG_PORTE | 24, //17
ADC_SIG_PORTE | 25, //18
ADC_SIG_NC, //19 ADC0_DM0, leave as default
ADC_SIG_NC, //20 ADC0_DM1, leave as default
ADC_SIG_NC, //21 leave as default
ADC_SIG_NC, //22 leave as default
ADC_SIG_NC, //23 DAC0, leave as default
ADC_SIG_NA, //24 not implemented
ADC_SIG_NA, //25 not implemented
};
/* Conversion table for ADC0x, where x is 4 to 7, mux is "A" */
const static uint8_t adc0_conv_tableA[] = {
ADC_SIG_NA, //4a
ADC_SIG_NA, //5a
ADC_SIG_NA, //6a
ADC_SIG_NA, //7a
};
/* Conversion table for ADC1x inputs, where x is 0 to 23, mux is defaultly "B" */
const static uint8_t adc1_conv_table[] = {
ADC_SIG_NC, //0 leave as default
ADC_SIG_NC, //1 leave as default
ADC_SIG_NA, //2 not implemented
ADC_SIG_NC, //3 leave as default
ADC_SIG_PORTC | 8, //4b
ADC_SIG_PORTC | 9, //5b
ADC_SIG_PORTC | 10, //6b
ADC_SIG_PORTC | 11, //7b
ADC_SIG_PORTB | 0, //8
ADC_SIG_PORTB | 1, //9
ADC_SIG_NA, //10 Not implemented
ADC_SIG_NA, //11 Not implemented
ADC_SIG_PORTB | 6, //12
ADC_SIG_PORTB | 7, //13
ADC_SIG_PORTB | 10, //14
ADC_SIG_PORTB | 11, //15
ADC_SIG_NA, //16 Not implemented
ADC_SIG_NA, //17 Not implemented
ADC_SIG_NA, //18 VREF Output
ADC_SIG_NC, //19 ADC1_DM0, leave as default
ADC_SIG_NC, //20 ADC1_DM1, leave as default
ADC_SIG_NA, //21 Not implemented
ADC_SIG_NA, //22 Not implemented
ADC_SIG_NC, //23 DAC1_SE23, leave as default
ADC_SIG_NA, //24 not implemented
ADC_SIG_NA, //25 not implemented
};
/* Conversion table for ADC1x, where x is 4 to 7, mux is "A" */
const static uint8_t adc1_conv_tableA[] = {
ADC_SIG_PORTE | 0, //4a
ADC_SIG_PORTE | 1, //5a
ADC_SIG_PORTE | 2, //6a
ADC_SIG_PORTE | 3, //7a
};
if (ADC_GET_DIFF(source) && ch > 3)
return IO_ERROR; /* signal not available */
if (ch < 26) {
switch(ADC_GET_MODULE(source))
{
case ADC_SOURCE_MODULE(1): // ADC0
/* Get result for module 0 */
if ((ADC_GET_MUXSEL(source) == ADC_SOURCE_MUXSEL_B) || (ADC_GET_MUXSEL(source) == ADC_SOURCE_MUXSEL_X))
/* Get result for module 1, if user wants "B" channel or any channel */
gpio_port = adc0_conv_table[ch];
else {
/* Get result for module 1, if user wants "A" channel or any other */
if (ch < 4 || ch > 7)
gpio_port = ADC_SIG_NA;
else
gpio_port = adc0_conv_tableA[ch - 4];
}
break;
case ADC_SOURCE_MODULE(2): //ADC1
/* Get result for module 0 */
if ((ADC_GET_MUXSEL(source) == ADC_SOURCE_MUXSEL_B) || (ADC_GET_MUXSEL(source) == ADC_SOURCE_MUXSEL_X))
/* Get result for module 1, if user wants "B" channel or any channel */
gpio_port = adc1_conv_table[ch];
else {
/* Get result for module 1, if user wants "A" channel or any other */
if (ch < 4 || ch > 7)
gpio_port = ADC_SIG_NA;
else
gpio_port = adc1_conv_tableA[ch - 4];
}
break;
default:
return IO_ERROR;
}
}
else
gpio_port = ADC_SIG_NC;
if (gpio_port == ADC_SIG_NA)
return IO_ERROR; /* signal not available */
if (gpio_port == ADC_SIG_NC)
return IO_OK; /* no need to configure signal */
switch (gpio_port >> 5) {
case 1: /* PORTA */
pctl = (PORT_MemMapPtr) PORTA_BASE_PTR;
break;
case 2: /* PORTB */
pctl = (PORT_MemMapPtr) PORTB_BASE_PTR;
break;
case 3: /* PORTC */
pctl = (PORT_MemMapPtr) PORTC_BASE_PTR;
break;
case 4: /* PORTD */
pctl = (PORT_MemMapPtr) PORTD_BASE_PTR;
break;
case 5: /* PORTE */
pctl = (PORT_MemMapPtr) PORTE_BASE_PTR;
break;
/* There is no possibility to get other port from table */
}
pctl->PCR[gpio_port & 0x1F] &= ~PORT_PCR_MUX_MASK; /* set pin's multiplexer to analog */
return IO_OK;
}