int main(void) { uint8_t data; lcd_init(); uart_init(38400); for (;;) { data = uart_recv_byte(); lcd_put_char(data); uart_send_byte(data); } }
int main() { init(); print("Welcome to MSP430 Launchpad.\r\n"); while (1) { char c = uart_recv_byte(); uart_send_byte(c); } return 0; }
int main() { init(); uart_init(UART_B9600); jtag_init(); print("Hello World\n"); while (1) { char c = uart_recv_byte(); if (c == 'A') { print("Reading IDCODE...\n"); jtag_reset_sequence(); idcode = jtag_read_dr(JTAG_DR_IDCODE); print("IDCODE: 0x"); printInt(idcode); } } return 0; }
int main(void) { uint8_t chan, low, hi; uint16_t adcval; lcd_init(); uart_init(38400); adc_enable(); for(;;) { chan = uart_recv_byte(); if (chan <=7) { adcval = read_adc(chan); lcd_clear(); lcd_put_int(low); low = adcval & 255; hi = adcval >> 8; uart_send_byte(low); // send LOW byte uart_send_byte(hi); // send HI byte } }
int ymodem_load(struct loader_opt *opt) { int ret; int size = 0, count; int blk = 0; __u8 stx, blk_num[2], crc[2]; __u8 *curr_addr; curr_addr = opt->load_addr; opt->load_size = 0; // uart_clear_buff(); // while (1) { uart_send_byte('C'); ret = uart_recv_byte_timeout(&stx, 2000000); if (ret < 0) continue; if (SOH == stx) { // printf("SOH (%d)\n", stx); size = 128; break; } else if (STX == stx) { // printf("STX (%d)\n", stx); size = 1024; break; } } blk_num[0] = uart_recv_byte(); blk_num[1] = uart_recv_byte(); uart_clear_buff(); uart_send_byte(ACK); // receiving data uart_send_byte('C'); blk++; while (1) { while (1) { ret = uart_recv_byte_timeout(&stx, MODEM_TIMEOUT); if (ret < 0) continue; if (SOH == stx) { // printf("SOH (%d)\n", stx); size = 128; break; } else if (STX == stx) { // printf("STX (%d)\n", stx); size = 1024; break; } else if (EOT == stx) { // printf("Done!\n"); goto L1; } } blk_num[0] = uart_recv_byte(); blk_num[1] = uart_recv_byte(); if ((blk_num[0] ^ blk_num[1]) != (__u8)0xFF || blk_num[0] != (__u8)(blk & 0xFF)) { uart_clear_buff(); uart_send_byte(NAK); #ifdef CONFIG_DEBUG printf("block num (%d) error!\n", blk); #endif continue; } for (count = 0; count < size; count++) { ret = uart_recv_byte_timeout(curr_addr + count, MODEM_TIMEOUT); if (ret < 0) { printf("line %d: timeout.\n"); break; } } ret = uart_recv_byte_timeout(&crc[0], MODEM_TIMEOUT); ret = uart_recv_byte_timeout(&crc[1], MODEM_TIMEOUT); curr_addr += count; uart_send_byte(ACK); opt->load_size += count; blk++; } L1: modem_end_rx(); return opt->load_size; }