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authorKevin O'Connor <kevin@koconnor.net>2017-01-01 22:10:24 -0500
committerKevin O'Connor <kevin@koconnor.net>2017-01-01 22:10:24 -0500
commitf75430e95f557e4e77db1d9131417fa82e694aa6 (patch)
tree87961405cdc570f52a1a0983856100e1e7b4fbf8 /src
parent8e797e6830896693ca95865c1a94f8e2c1e7bc13 (diff)
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gpio: Fix sam38xe ADC startup check
The status register needs to be inspected, not the enable register. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src')
-rw-r--r--src/sam3x8e/gpio.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/sam3x8e/gpio.c b/src/sam3x8e/gpio.c
index 5445c397..ab7853c2 100644
--- a/src/sam3x8e/gpio.c
+++ b/src/sam3x8e/gpio.c
@@ -134,7 +134,7 @@ gpio_adc_setup(uint8_t pin)
if (adc_pins[chan] != pin)
continue;
// Found PIN
- if (!(PMC->PMC_PCER1 & (1 << (ID_ADC-32)))) {
+ if (!(PMC->PMC_PCSR1 & (1 << (ID_ADC-32)))) {
// Setup ADC
PMC->PMC_PCER1 = 1 << (ID_ADC-32);
uint32_t prescal = SystemCoreClock / (2 * ADC_FREQ_MAX) - 1;