Firmware/MNRS-BM-BSP
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fixes for ehrenberg platform, minres peripheral functions and nanolib

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This commit is contained in:
Eyck Jentzsch
2024-03-02 12:18:38 +01:00
parent 96fa7db587
commit 6523206738
4 changed files with 36 additions and 31 deletions
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12
include/ehrenberg/devices/uart.h
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@@ -6,12 +6,20 @@
#define uart_t apb3uart_t
static void uart_write(volatile uart_t *reg, uint8_t data){
static inline uint32_t uart_get_tx_free(volatile uart_t *reg){
return (reg->STATUS_REG >> 16) & 0xFF;
}
static inline uint32_t uart_get_rx_avail(volatile uart_t *reg){
return reg->STATUS_REG >> 24;
}
static inline void uart_write(volatile uart_t *reg, uint8_t data){
while(get_uart_rx_tx_reg_tx_free(reg) == 0);
set_uart_rx_tx_reg_data(reg, data);
}
static inline uint8_t uart_read(volatile uart_t *reg){
static inline inline uint8_t uart_read(volatile uart_t *reg){
uint32_t res = get_uart_rx_tx_reg_data(reg);
while((res&0x10000) == 0) res = get_uart_rx_tx_reg_data(reg);
return res;