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[cc2538] fix wrong uart rx ioc config (#3062)

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This commit is contained in:
Jiacheng Guo
2018-09-11 14:52:01 -10:00
committed by Jonathan Hui
parent 952542ae35
commit e53c8824ac
2 changed files with 9 additions and 4 deletions
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examples/platforms/cc2538/cc2538-reg.h
+5
View File
@@ -222,6 +222,11 @@
#define IOC_OVERRIDE_OE 0x00000008 // PAD Config Override Output Enable
#define IOC_OVERRIDE_DIS 0x00000000 // PAD Config Override Disabled
#define IOC_PAD_IN_SEL_PA0 0x00000000 // PA0
#define IOC_PAD_IN_SEL_PA1 0x00000001 // PA1
#define IOC_PAD_IN_SEL_PA2 0x00000002 // PA2
#define IOC_PAD_IN_SEL_PA3 0x00000003 // PA3
#define UART0_BASE 0x4000C000
#define UART1_BASE 0x4000D000
#define GPIO_A_BASE 0x400D9000 // GPIO
examples/platforms/cc2538/uart.c
+4 -4
View File
@@ -113,8 +113,8 @@ otError otPlatUartEnable(void)
HWREG(GPIO_A_BASE + GPIO_O_AFSEL) |= GPIO_PIN_1;
// rx pin
HWREG(IOC_PA0_SEL) = IOC_UARTRXD_UART0;
HWREG(IOC_PA0_OVER) = IOC_OVERRIDE_DIS;
HWREG(IOC_UARTRXD_UART0) = IOC_PAD_IN_SEL_PA0;
HWREG(IOC_PA0_OVER) = IOC_OVERRIDE_DIS;
HWREG(GPIO_A_BASE + GPIO_O_AFSEL) |= GPIO_PIN_0;
HWREG(UART0_BASE + UART_O_CTL) = 0;
@@ -287,8 +287,8 @@ void cc2538DebugUartInit(void)
// UART1 - rx pin we don't really use but we setup anyway
// PA2 => is jumper position RF1.16
HWREG(IOC_PA2_SEL) = IOC_UARTRXD_UART1;
HWREG(IOC_PA2_OVER) = IOC_OVERRIDE_DIS;
HWREG(IOC_UARTRXD_UART1) = IOC_PAD_IN_SEL_PA2;
HWREG(IOC_PA2_OVER) = IOC_OVERRIDE_DIS;
HWREG(GPIO_A_BASE + GPIO_O_AFSEL) |= GPIO_PIN_2;
HWREG(UART1_BASE + UART_O_CC) = 0;