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lpc176x: Update code to use armcm_boot mechanism

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2019-08-21 20:27:15 -04:00
parent 6409eda058
commit 1022729a2a
9 changed files with 38 additions and 42 deletions
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7
src/lpc176x/adc.c
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@@ -4,8 +4,8 @@
//
// This file may be distributed under the terms of the GNU GPLv3 license.
#include "LPC17xx.h" // LPC_PINCON
#include "autoconf.h" // CONFIG_CLOCK_FREQ
#include "board/armcm_boot.h" // armcm_enable_irq
#include "board/irq.h" // irq_save
#include "board/misc.h" // timer_from_us
#include "command.h" // shutdown
@@ -37,7 +37,7 @@ static struct {
enum { ADC_DONE=0x0100 };
// ADC hardware irq handler
void __visible
void
ADC_IRQHandler(void)
{
uint32_t pos = adc_status.pos, chan = adc_status.chan & 0xff;
@@ -71,8 +71,7 @@ gpio_adc_setup(uint8_t pin)
LPC_ADC->ADCR = adc_status.adcr = (1<<21) | ((prescal & 0xff) << 8);
LPC_ADC->ADINTEN = 0xff;
adc_status.chan = ADC_DONE;
NVIC_SetPriority(ADC_IRQn, 0);
NVIC_EnableIRQ(ADC_IRQn);
armcm_enable_irq(ADC_IRQHandler, ADC_IRQn, 0);
}
gpio_peripheral(pin, adc_pin_funcs[chan], 0);