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Fix ADC based VCC detection

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* we need to actually return the voltage
* we need to use the correct register name for the CIDR
This commit is contained in:
Harald Welte
2016-03-20 16:43:59 +01:00
parent 3bafe43376
commit 622b6be774
1 changed files with 3 additions and 2 deletions
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5
firmware/src_simtrace/mode_cardemu.c
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@@ -228,8 +228,8 @@ static int adc_sam3s_reva_errata = 0;
static int card_vcc_adc_init(void) static int card_vcc_adc_init(void)
{ {
uint32_t chip_arch = CHIPID->CIDR & CHIPID_CIDR_ARCH_Msk; uint32_t chip_arch = CHIPID->CHIPID_CIDR & CHIPID_CIDR_ARCH_Msk;
uint32_t chip_ver = CHIPID->CIDR & CHIPID_CIDR_VERSION_Msk; uint32_t chip_ver = CHIPID->CHIPID_CIDR & CHIPID_CIDR_VERSION_Msk;
PMC_EnablePeripheral(ID_ADC); PMC_EnablePeripheral(ID_ADC);
@@ -293,6 +293,7 @@ static void process_vcc_adc(struct cardem_inst *ci)
static uint32_t adc2uv(uint16_t adc) static uint32_t adc2uv(uint16_t adc)
{ {
uint32_t uv = (uint32_t) adc * UV_PER_LSB; uint32_t uv = (uint32_t) adc * UV_PER_LSB;
return uv;
} }
void ADC_IrqHandler(void) void ADC_IrqHandler(void)