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Last commit 20 Feb 2019 by 
mbed official
Revision 151:7a600087bf72, committed 2014-04-05
- Comitter:
- mbed_official
- Date:
- Sat Apr 05 17:45:06 2014 +0100
- Parent:
- 150:49699a7d7064
- Child:
- 152:3248c4875353
- Commit message:
- Synchronized with git revision 6a7b119b46ef99976a5e26f3ff0f8e8af916a24a
Full URL: https://github.com/mbedmicro/mbed/commit/6a7b119b46ef99976a5e26f3ff0f8e8af916a24a/
K64F - ADC mbed HAL - channels definition correction
Changed in this revision
| targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_K64F/analogin_api.c | Show annotated file Show diff for this revision Revisions of this file |
--- a/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_K64F/analogin_api.c Fri Apr 04 10:45:08 2014 +0100
+++ b/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_K64F/analogin_api.c Sat Apr 05 17:45:06 2014 +0100
@@ -27,12 +27,12 @@
static const PinMap PinMap_ADC[] = {
{PTC2, ADC0_SE4b, 0},
{PTC8, ADC1_SE4b, 0},
- {PTC9, ADC0_SE5b, 0},
+ {PTC9, ADC1_SE5b, 0},
{PTD1, ADC0_SE5b, 0},
- {PTC10, ADC0_SE6b, 0},
+ {PTC10, ADC1_SE6b, 0},
{PTD5, ADC0_SE6b, 0},
- {PTC11, ADC0_SE7b, 0},
- {PTD7, ADC0_SE7b, 0},
+ {PTC11, ADC1_SE7b, 0},
+ {PTD6, ADC0_SE7b, 0},
{PTB0 , ADC0_SE8 , 0},
{PTB1 , ADC0_SE9 , 0},
{PTB2 , ADC0_SE12, 0},
@@ -41,9 +41,9 @@
{PTB10, ADC1_SE14, 0},
{PTB11, ADC1_SE15, 0},
{PTC1 , ADC0_SE15, 0},
- {PTE24, ADC0_SE17, 0},
{PTA17, ADC1_SE17, 0},
- {PTE25, ADC0_SE18, 0},
+ //{PTE24, ADC0_SE17, 0}, //I2C pull up
+ //{PTE25, ADC0_SE18, 0}, //I2C pull up
{NC , NC , 0}
};
@@ -63,30 +63,29 @@
if ((bus_clock >> clkdiv) <= MAX_FADC)
break;
}
- if (clkdiv == 4) {//Set max div
- clkdiv = 0x7;
+ if (clkdiv == 4) {
+ clkdiv = 0x7; //Set max div
}
-
+ /* adc is enabled/triggered when reading. */
adc_hal_set_clock_source_mode(instance, (adc_clock_source_mode_t)(clkdiv >> 2));
adc_hal_set_clock_divider_mode(instance, (adc_clock_divider_mode_t)(clkdiv & 0x3));
adc_hal_set_reference_voltage_mode(instance, kAdcVoltageVref);
adc_hal_set_resolution_mode(instance, kAdcSingleDiff16);
adc_hal_configure_continuous_conversion(instance, false);
+ adc_hal_configure_hw_trigger(instance, false); /* sw trigger */
+ adc_hal_configure_hw_average(instance, true);
+ adc_hal_set_hw_average_mode(instance, kAdcHwAverageCount4);
+ adc_hal_set_group_mux(instance, kAdcChannelMuxB); /* only B channels are avail */
- adc_group_mux_mode_t mode = (obj->adc & (1 << ADC_B_CHANNEL_SHIFT)) ?
- kAdcChannelMuxB : kAdcChannelMuxA;
- adc_hal_disable(instance, mode);
- adc_hal_set_group_mux(instance, mode);
- adc_hal_enable(instance, mode, (adc_channel_mode_t)(obj->adc & 0xF), false);
+ pinmap_pinout(pin, PinMap_ADC);
}
uint16_t analogin_read_u16(analogin_t *obj) {
uint32_t instance = obj->adc >> ADC_INSTANCE_SHIFT;
- adc_group_mux_mode_t mode = (obj->adc & (1 << ADC_B_CHANNEL_SHIFT)) ?
- kAdcChannelMuxB : kAdcChannelMuxA;
- adc_hal_enable(instance, mode, (adc_channel_mode_t)(obj->adc & 0xF), false);
- while (!adc_hal_is_conversion_completed(instance, mode));
- return adc_hal_get_conversion_value(instance, mode);
+ /* sw trigger (SC1A) */
+ adc_hal_enable(instance, 0, (adc_channel_mode_t)(obj->adc & 0xF), false);
+ while (!adc_hal_is_conversion_completed(instance, 0));
+ return adc_hal_get_conversion_value(instance, 0);
}
float analogin_read(analogin_t *obj) {
