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Change temp to uint32_t in serial_format 

Fix bug where calling set_format in MBED (which calls serial_format) causes the CTRL register to become corrupt due to saving its initial value to a uint8_t when the register is 32 bit wide
pull/15382/head
grumpyengineer 2023-02-21 19:51:10 +00:00 committed by GitHub
parent e167992769
commit fbf4ac03d7
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1 changed files with 1 additions and 1 deletions
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targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT1170/TARGET_EVK/serial_api.c
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@ -91,7 +91,7 @@ void serial_baud(serial_t *obj, int baudrate)
void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits) void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits)
{ {
LPUART_Type *base = uart_addrs[obj->index]; LPUART_Type *base = uart_addrs[obj->index];
uint8_t temp; uint32_t temp;
/* Set bit count and parity mode. */ /* Set bit count and parity mode. */
temp = base->CTRL & ~(LPUART_CTRL_PE_MASK | LPUART_CTRL_PT_MASK | LPUART_CTRL_M_MASK); temp = base->CTRL & ~(LPUART_CTRL_PE_MASK | LPUART_CTRL_PT_MASK | LPUART_CTRL_M_MASK);
if (parity != ParityNone) { if (parity != ParityNone) {