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comparison Output/uartOut/arm/uart_serial.c @ 334:9ac304aa1ab5

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Adding initial dfu-upload code and debugging for Bootloader.
author Jacob Alexander <haata@kiibohd.com>
date Mon, 27 Apr 2015 00:57:34 -0700
parents 5b66d1da5377
children e8841d3c6db5
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333:772f9bea482b 334:9ac304aa1ab5
190 UART_C4 = 0x02; 190 UART_C4 = 0x02;
191 191
192 #elif defined(_mk20dx256vlh7_) // UART2 Debug 192 #elif defined(_mk20dx256vlh7_) // UART2 Debug
193 // Setup baud rate - 115200 Baud 193 // Setup baud rate - 115200 Baud
194 // Uses Bus Clock 194 // Uses Bus Clock
195 // 24 MHz / ( 16 * Baud ) = BDH/L 195 // 36 MHz / ( 16 * Baud ) = BDH/L
196 // Baud: 115200 -> 24 MHz / ( 16 * 115200 ) = 13.021 196 // Baud: 115200 -> 36 MHz / ( 16 * 115200 ) = 19.53125
197 // Thus baud setting = 13 197 // Thus baud setting = 19
198 // NOTE: If finer baud adjustment is needed see UARTx_C4 -> BRFA in the datasheet 198 // NOTE: If finer baud adjustment is needed see UARTx_C4 -> BRFA in the datasheet
199 uint16_t baud = 13; // Max setting of 8191 199 uint16_t baud = 19; // Max setting of 8191
200 UART_BDH = (uint8_t)(baud >> 8); 200 UART_BDH = (uint8_t)(baud >> 8);
201 UART_BDL = (uint8_t)baud; 201 UART_BDL = (uint8_t)baud;
202 UART_C4 = 0x01; 202 UART_C4 = 0x11;
203 203
204 #endif 204 #endif
205 205
206 // 8 bit, No Parity, Idle Character bit after stop 206 // 8 bit, No Parity, Idle Character bit after stop
207 UART_C1 = UART_C1_ILT; 207 UART_C1 = UART_C1_ILT;